Qn1/s/f3
Quatery(Middle Holocen-Pleistocens)
ÊÑ­ÅÑ¡É³ì
Symbol
äÁèÁÕ¢éÍÁÙÅ
No data
µÐ¡Í¹
Sediment
äÁèÃÐºØÀÒÉÒä·Â
Qn1:Clay ;silty , light gray to light greenish  gray (5g7/1 ) , moderately amount mottle , rare plant remain , moderately amount iron concretion , nearly firm consistency , shown fine sand lens with shell flagment , overlying on marine clay and/ or
mangrove swamp clay as homogeneous layer with 2 - 3 meters thickness Qs:Clay ;silty ,very soft , greenish gray color (5G5/1-10g6/1 ) upper part shown bioturbation feature as worm burrow , silt ball with green color and
very fine sand lens with some shell fragment , marine clay  mineral are Kaolinite , Illite and Montmorillon
Qf3:
Qb1
Quaternary(Recent)
·ÃÒÂ
Sand
ª×èÍËÔ¹
Rock name
Sand ; loose ,fine - medium grain ( 200 - 400 micron) , well - very well sorting , round - subround shape light yellow - orange ( 2.5Y8/4 - 10 YR 6/4) small amount shell fragment and mica , overlying on Nearshore deposits , The sand 's thickness is about
1.5 - 2 m.
Non Geology
äÁèãªè¾×é¹·Õè·Ò§¸Ã³ÕÇÔ·ÂÒ
Not geological area
Í×è¹æ
Others
äÁèãªè¾×é¹·Õè·Ò§¸Ã³ÕÇÔ·ÂÒ «Öè§ÍÒ¨à»ç¹¾×é¹·Õè«Öè§äÁèä´é¡ÓË¹´»ÃÐàÀ·àÍÒäÇé, áËÅè§¹éÓ ËÃ×Í¾×é¹·Õè¹Í¡à¢µ»ÃÐà·Èä·Â
Not geological area, it could be undefined area, water bodies or area outside the country.
Qn1/s/n2/f3
Quaternary(Late Middel Early holocene-Pleistocene)
Qn1:Clay ;silty , light gray to light greenish  gray (5g7/1 ) , moderately amount mottle , rare plant remain , moderately amount iron concretion , nearly firm consistency , shown fine sand lens with shell flagment , overlying on m
Qn2: and Qf3
Qb2
Middel-Holocene
äÁè»ÃÒ¡¯º¹¤ÓÍ¸ÔºÒÂ
No data on legend
Qn2/s/n2/f3
Middle Holocene - Pleistocene
Qn2/Qs/Qn2/Qf3
Ql2/n2/f3
Ql2/Qn2/Qf3
Qf21
Sand ; rare clayey , friable , coarse grain (1,500-1,600 u) , moderately - poor sorting , White - light gray color (10Y 8/1) , small amount mottle , grain size coarsening downward
Qt1
Pleistocene
·ÃÒÂá»é§áÅÐ·ÃÒÂÅÐàÍÕÂ´
Silt and very fine sand
Silt and very fine sand (60-120 u) ; slightly clayey , poorly - moderately sorting , subangular - angular shape , light gray color (2.5Y8/2) , abundant mottle and iron concretion , overlay on hard pan laterite at depth 2-5 meters
Qc
Quaternary
µÐ¡Í¹µÐ¾Ñ¡áÅÐáËÅè§àÈÉËÔ¹àªÔ§à¢Ò
Terrace and colluvial deposits
Ë¹èÇÂµÐ¡Í¹
Sediment unit
µÐ¡Í¹ µÐ¾Ñ¡¹éÓ áÅÐáËÅè§àÈÉËÔ¹àªÔ§à¢Ò : ¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ ´Ô¹àË¹ÕÂÇ ´Ô¹ÅÙ¡ÃÑ§áÅÐàÈÉËÔ¹
Terrace and colluvial deposits : gravel, sand, silt, clay, lateritic soil and rock fragments.
K
Cretaceous-Jurassic
ËÔ¹µÐ¡Í¹(ËÔ¹ªÑé¹)
Sedimentary rock
Conglomeraatic sandstone , conglomerate and siltstone , yellowish white and brownish red color , clearly cross - bedding and grade - bedding age Jurassic - Cretaceous
Qa
µÐ¡Í¹¹éÓ¾Ò
Alluvial deposits
µÐ¡Í¹¸ÒÃ¹éÓ¾Ò : ¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ áÅÐ´Ô¹à¤ÅÂì
Alluvial deposits : gravel,sand,silt and clay.
Qf12
Quaternary (Holocene)
´Ô¹à¤ÅÂì
Clay
Clay ; dense & firm , light gray to yellowish gray (2.5 Y8/1 - 2.5  Y5/2 ) ,moderately amount mottle , rare Fe & Mn concretion , thickness 2-3 meters , overlying on sandy clay sediment
Qf22
Sand ; loose , fine- coarse grain (200 - 2,000 u) , slightly clayey and gravel , light gray color (2.5 Y8/1) abundant mottle , rare iron concretion , angular - subangular shape , poor sorting , showing coarsening downward sequence , intercalated in flood
plain deposits (or overlying) with thickness about 0.5- 2.0 meters
Clay and silty clay ; light gray color (10Y8/1) , abandant mottle , rare plant remain , moderately amount Fe concretion and/or lime nodule in south western part , overlying on abanddonned channel sand and interfingering with clayey silt.
Qf11
·ÃÒÂá»é§
Silt
Silt ; slightly clayey , light gray color (5Y8/1) , abundant mottle , loose - nearly firm consistencey , clay increasing downward , small amount plant remain in upper part , rare iron concretion , overlying on silty clay or abandonned channel sand
Qn1/Qs/Qf3
CP
Permian-Carboniferous
ËÔ¹µÐ¡Í¹(ËÔ¹ªÑé¹)áÅÐËÔ¹
Sedimentary and metamorphic roc
ËÔ¹â¤Å¹ÊÅÑºËÔ¹·ÃÒÂà¡ÃÂìáÇ¡ ÊÕà·Ò ¶Ö§ÊÕà·Òà¢ÕÂÇ »Ð»¹´éÇÂ¡éÍ¹¡ÃÇ´ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ìª¹Ô´à¾¡µÔ¹ âºÃ´Ñ¡µÑÊ áÅÐÊä»ÃÔà¿ÍÃì ªèÇ§ÅèÒ§à»ç¹ËÔ¹´Ô¹´Ò¹ÊÅÑºËÔ¹·ÃÒÂ»¹à¶éÒ
ÀÙà¢Òä¿ ÊÕ¹éÓµÒÅÁèÇ§áÅÐÊÕ¢ÒÇ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ìª¹Ô´â¾«Ôâ´â¹äÁÂÒä·ÃâÅäºµì áÅÐËÍÂÊÍ§½ÒäÁèà·èÒ¡Ñ¹
Mudstone intebedded with greywacke, grey to greenish grey, pebble locally, Pecten sp., Spirifer sp.; lower part : shale interbedded with tuffaceous sandstone, purplish brown to brown and white, with Posidonomya sp., Trilobite and Brachiopod.
Late-Holocene
Sand ,  very   fine grain ( 70 - 100 micron ) , loose , very well sorting , greenish gray - olive gray color (10gy 5/1 - 2.5gy 5/1) , rare mottle , small amount shell fragment ; overlying on marine clay and coverlying by  tida1 flat clay approximately1-
2 meters thickness
Ql1
Silt ,loose ,light gray - grayish white (10Y7/1 - 2.5Y8/1) ,moderately amount mottle , overlying on tida1 flat clay with 40 cm. thickness
SD
Devonian-Silurian
ËÔ¹´Ô¹´Ò¹ ÊÕà·Ò¶Ö§ÊÕ´Óá·Ã¡ÊÅÑº´éÇÂËÔ¹·ÃÒÂ àÁç´¢¹Ò´»Ò¹¡ÅÒ§ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ìª¹Ô´á¡Ã¾âµäÅµì ªÑé¹¢Í§ËÔ¹àªÔÃìµáÅÐÁÕËÔ¹»Ù¹à»ç¹àÅ¹Êì ÊÕà·ÒÍèÍ¹¶Ö§à·Ò´Ó ÁÕªÑé¹ËÔ¹à¹×éÍ´Ô¹á·Ã¡
Shale, grey to black interbedded with sandstone, midium-grained, with gratolite ; chert beds ; and limestone lens, light to dark grey, argillaceous bands.
Trgr
Triassic
ËÔ¹äºâÍä·µì - á¡Ã¹Ôµ
Biotite granite
ËÔ¹ÍÑ¤¹Õ
Igneous rock
ËÔ¹äºâÍä·µìá¡Ã¹Ôµ à¹×éÍÊÁèÓàÊÁÍ áÅÐà¹×éÍ´Í¡ ÁÕ¢¹Ò´»Ò¹¡ÅÒ§¶Ö§ËÂÒº ´Í¡áÃèà¿Å´ìÊ»ÒÃìÁÕ¢¹Ò´ 15-50. áÅÐÁÕÊÒÂáÃè¤ÇÍÃµ«ìµÑ´¼èÒ¹
Biotite granite, equigranular and porphyritic texture, medium-to coarse-grained, feldspar phenocrysts ranging in sizes 15-50 mm. and quartz vein.
Qn2
Clay ;peaty ,silty light gray ( 10Y7/1 - 5BG7/1 ) , rare mottle and Fe concretion , intercaleted with pest layer that contained more than 90% of Rhizophoracea sp. and gave range 7020 - 5690 years (before 1950 BC ) ,overlying on maline claay or Pleistocen
e deposits at vavious depth.
Qn1
Clay ;silty , gray to light gray color (((10YR6/1 - 5GY7/1 ) ,abundant mottle and Fe & Mn concretion , rare plant remain , get some fine sand lens with shell flagment in some area , homogeneous layer with 2 - 3 meters thickness , overlying on marine clay
, and / or mangrove swamp clay.
Ql2
Clay and peat
Clay and peat ; dark gray to black , firm , no mottle , overlying on Pleistocene fluvial deposits , thickness 0.5 - 2 m. , palynology study showned the pollen of Rhizophoracea ,Verbenacea , Sonneratia , Oneosperma and Rubiacea plant with on age 4200 - 39
00 year (before 1950 BC)
Qt2
Quaternary (Pleistocene?)
Sand ; loose , coarse to very coarse grain (1,400 - 2,000 u) , subangular , poor sorted , light gray color (2.5Y8/2) , abundant mottle , get some clay at lower part at depth 3-6 meters
Clay : silty gray to white (5YR 8/1 -N 8/0) , firm to very firm , abundant mottle , rare Fe& Mn concretion and plant remain , thickness 2-4 meters , overlying on abundoned channel deposits or sandy clay (Qf 13) deposits
SDps
ËÁÇ´ËÔ¹»èÒàÊÁç´
Pa Sa Med Formation
ËÁÇ´ËÔ¹
Formation
¡ÅØèÁËÔ¹µÐ¹ÒÇÈÃÕ
Tanaosri Group
ËÔ¹´Ô¹´Ò¹ ËÔ¹â¤Å¹ ÊÕ´Ó ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì ª¹Ô´ Tentaculites sp.,Styliolina sp.ËÍÂ¡Òº¤Ùè áºÃ¤ÔâÍäÅµì á¡Ã¾âµ¾Í´áÅÐä·ÃâÅäºµì
ËÔ¹·ÃÒÂÍÒÃìâ¤Ê ÊÕ¹éÓµÒÅÍèÍ¹ àÁç´ÅÐàÍÕÂ´¶Ö§ËÂÒº»Ò¹¡ÅÒ§ ¡ÒÃ¤Ñ´¢¹Ò´´Õ ÊÅÑºÍÂÙè¡ÑºËÔ¹»Ù¹à»ç¹àÅ¹Êì
Black shale and mudstone with Tentaculites sp.,Styliolina sp., bivalves, brachiopods, graptolite and triobite; arkosic, light brown,
fine-to medium-grained,well sorted and limestone lens.
Cy
Cambrian
ËÁÇ´ËÔ¹ÂÐËÒ
Yaha Formation
ËÔ¹â¤Å¹ ËÔ¹ â¤Å¹à¹×éÍ«ÔÅÔ¡Ò ËÔ¹´Ô¹´Ò¹ ËÔ¹àªÔÃìµ ËÔ¹·ÃÒÂ ÊÕà·Ò ªÑé¹ºÒ§¶Ö§Ë¹Ò ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì¢Í§ ËÍÂ¡Òº¤Ùè ä·ÃâÅäºµì ¾ÅÑº¾ÅÖ§·ÐàÅâºÃÒ³
Mudstone siliceous mudstone,shale chert and sandstone,gray,thin-to thick bedded with bivalves, triobite and crinoids.
Ork
Ordovician
ËÁÇ´ËÔ¹ÃÑ§¹¡
Rung Nok Formation
ËÔ¹»Ù¹à¹×éÍ»¹´Ô¹ ÊÕà·Ò´Ó ªÑé¹ºÒ§¶Ö§Ë¹ÒÁÒ¡ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì¨Ó¾Ç¡à«¿ÒâÅ¾Í´ ª¹Ô´¹ÍµÔÅÍÂ´ì
Argillaceous limestone,daek gray,thin to very thick bedded,with autiloids.
Qb3
Sand ; loose , fine - medium grain (150 - 300u) , light gray color (7.5Y8/1) , moderately amount mottle , moderately sorted , grain size increased downward tobe gravel at bottom (2 meters depth ) , overlying on sandy clay
Silt ,loose , light gray to white color (10Y7/1 - 2.5Y8/1) small amount mottle , slightly humic at bottom , overlying on lowland peat. The sequence's thickness is vary from 60 cm. to 3.3 meters
Sand ; loose , very fine grain (70 - 120 u) , light gray to brown color , abundant mottle and Fe concretion , boulder and gravel or laterite pan occured as bottom of sequence
P
Permian
¡ÅØèÁËÔ¹ÃÒªºØÃÕ
Ratburi Group
¡ÅØèÁËÔ¹
Group
ËÔ¹»Ù¹ ËÔ¹»Ù¹à¹×éÍ»¹â´âÅäÁµì ÊÕà·Ò¢ÒÇ ààÊ´§ªÑé¹´Õ ªÑé¹ËÔ¹Ë¹Ò¶Ö§Ë¹ÒÁÒ¡ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì ¨Ó¾Ç¡»Ð»ÒÃÑ§ á¡Êâ·Ã¾Í´
Limestone,dolomitic limestone,light gray,well bedded,thick to very thick bedded,with fossils of corals and gastrapods.
Sand ; loose , very coarse grain (1,000 u) , subangular , poor sorted , light gray color (2.5Y8/1) , abundant mottle , overlying on sandy clay or silty clay and covering by clay and silty clay , approximate 1-2 meters thickness
¡ÅØèÁËÔ¹á¡è§¡ÃÐ¨Ò¹
Kaeng Krachan Group
¡ÅØèÁËÔ¹á¡è§¡ÃÐ¨
ËÔ¹â¤Å¹áÅÐËÔ¹â¤Å»¹¡ÃÇ´ ÊÕà·Òá¡Áà¢ÕÂÇ áÅÐÊÕà·Ò´Ó ªÑé¹Ë¹Ò ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì  áºÃ¤ÔâÍ¾Í´ Spinomatinia
sp.) á·Ã¡ÊÅÑº´éÇÂËÔ¹·ÃÒÂà¡ÃÂìáÇ¡ ÊÕà·Ò´Ó áÅÐÊÕà·Òá¡Áà¢ÕÂÇ àÁç´ÅÐàÍÕÂ´¶Ö§ËÂÒº»Ò¹¡ÅÒ§
Mudstone and pebbly mudstone,dark gray,greenish gray,thick bedded ,trilobite and brachiopod (Spinomatiniasp.)
interbedded with fine-to medium-grained greywacke,dark gray,greenish gray.
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò áÅÐ µÐ¾Ñ¡ÅÓ¹éÓ
Colluvial and Terrace deposits
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò áÅÐ µÐ¾Ñ¡ÅÓ¹éÓ : àÈÉËÔ¹ µÐ¡Í¹ËÔ¹¼ØÍÂÙè¡Ñº·Õè ´Ô¹à·ÍÃÒâÃ«èÒ ªÑé¹¡ÃÇ´ ªÑé¹´Ô¹ÃÑ§ ·ÃÒÂ ·ÃÒÂá»é§ áÅÐ¡éÍ¹àÈÉËÔ¹¢¹Ò´ãË­è
Colluvial and Terrace deposits : rock fragments,residual sediments,terrarosa soil,gravel beds,lateritic soil,sand,silt and rock boulder size.
Beded limestone
Bedded limestone
Bedded limestone , calcitic dolomite and massive limestone , with chert lens or nodule and argillaceous , age : PPermiam
Qf14
Clay ; sandy , fine to very coarse grain (100- 1,000 u) , light gray (5YR 8/2) moderately amount mottle , angular grain sand , at lower part gravel present as a base of the Holocene fluvial sediment
Sand ; loose ,fine - medium grain ( 200 - 500 micro) , well sorted ,color 2.5Y6/2 yellowish gray grade to 5BG6/1 greenish gray , abundant shell fragment and dark mineral ,thickness more than 4 m.
Sand , rare clayer , friable , coarse grain (500 - 1,200 u) , moderately sorted , light gray color (10BG 7/1- N8/0) ,small amount fine gravel , more than 4 meters thickness
ËÔ¹äºâÍä·µì-ÁÑÊâ¤äÇµìá¡Ã¹Ôµ
Biotite muscovite granite
ËÔ¹äºâÍä·µì-ÁÑÊâ¤äÇµìá¡Ã¹Ôµ à¹×éÍ»Ò¹¡ÅÒ§¶Ö§ËÂÒº à¹×éÍÊÁèÓàÊÁÍáÅÐà¹×éÍ´Í¡
Biotite muscovite granite,fine-to medium-grained,equigranular and porphyritic.
Clay and peat ;dark gray to black , firm ,no mottle , overlying on Pleistocene fluvial deposits or marine clay , thickness 0.5 - 2 m.,palynology study showed the pollen of Rhizophoracea , Verbenacea , Sonneratia ,Oneosperma and Rubiacea plant with on age
4200 - 3900 year ( before 1950 BC )
Qf13
Clay ; peaty , dark brown - greenish gray (7.5YR 3/1 - 2.5GY 5/1) small amount mottle , very decomposed plant remain , thickness is less than 2 meters , overlying on sandy clay
Jk
Sand , loose , very fine grain ( 70 - 120 micro ) , light gray to brown color ,abundant mottle and Fe concretion ,boulder and pebble &gravel bed occure as bottom of sequence at vary depth.
Silt ,loose ,light gray to white color (10Y7/1 - 2.5Y8/1) ,small amount mottle ,slightly humic at bottom , overying on lowland peat in southern part and on tida1 flat clay in nortern part. The sequence 's thickness is vary from 60 cm. to 3.3 meters.
Olt
ËÁÇ´ËÔ¹áÅµÍ§
Lae Tong Formation
¡ÅØèÁËÔ¹·Øè§Ê§
Thung Song Group
ËÔ¹´Ô¹´Ò¹ÊÅÑºËÔ¹·ÃÒÂá»é§ ÊÕà·Òá¡Áà¢ÕÂÇ ÊÕ¹éÓµÒÅ ªÑé¹ºÒ§ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì¨Ó¾Ç¡ËÍÂ¡Òº¤Ùè á·Ã¡ÊÅÑº´éÇÂËÔ¹»Ù¹à»ç¹àÅ¹ÊìÊÕà·ÒÍèÍ¹¶Ö§ÊÕà·Ò
Shale and siltstone,light greenish gray,brown,thin bedded,with bivalves,interbedded with limestone lens,light gray to gray.
Ql
Clay ,silty ;grey to greyish black color , abundant plant remains or peat layer , overying former plain deposits.
C
Carboniferous
Quartzite , quartzitic sandstone , beded chert , brown to yellowish brown , sandy shale , siltstone , shale greyish white , yellowish brown to deep red with fossils of Brachiopods , Pelecypods , Trilobites and Conodonts.
Qtf
Clay , silty ; grey to light grey color , small amount plant remains ,small amount mottle , moderately amount FFe & Mn concretions , sand lens and shell flagments intercalated in lower part.
Qr
µÐ¡Í¹·Õè¼Ø¾Ñ§ÍÂÙè¡Ñº·Õè
Residual deposits
Clay ,silly ;gley - light greenish grey color , abundant plant remains ,get lime modules , small amoumt shell fragments , mottle trace in upper part , overlying marine clay.
Qa5
Sand; medium to coarse grain (200 - 600 micro ) angular to subangular , yellowish brown color , moderately to moderately well sorted ,loose ,very gravelly and clay with moderately amount plant remains in lower part.
Qa2
Clay , silty ; small amount plant remains , light grey color ,get sand , fine to medium grain ( 70 - 400 micro ) moderately well to well sorted , rock fragments and iron concretions in lower part.
Qa3
Sand : very gravelly ; very coarse grain (1000 - 1800 micro ) , gravel grain (2 - 4 mm. ) very poorly sorted , white to greyish white color , loose , mostly occured near recent channel and underying recent flood plain as abandoned channel.
ËÔ¹´Ô¹´Ò¹ ËÔ¹â¤Å¹ ÊÕ´Ó ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì ª¹Ô´ Tentaculites sp.,Styliolina sp.ËÍÂ¡Òº¤Ùè áºÃ¤ÔâÍ¾Í´ á¡Ã¾âµäÅµìáÅÐä·ÃâÅäºµì
Black shale and mudstone with Tentaculites sp.,Styliolina sp., bivalves, brachiopods, graptolite and trilobite; sandstone, light brown, arkosic
Argillaceous limestone,dark gray,thin to very thick bedded,with nautiloids.
T?
Tertiary
Semiconsolidated conglomerateic sandstone , shale and clay.
Sand ; very fine grain ( 80 micro ) ,very well sorted , red to reddish yellow color , loose , overying massively bedded laterite.
Beded and massive limestone
Beded and massive limestone , light grey to dark grey with chert nodule , brown breccisted dolomitic limestone and dolomitic limestone with fossils of Brachiopods , Bryozoas and Conularias.
Qa4
Clay ; grey to greyish black color , abundant plant remain , silt intercalateed very fine sand in lower part , overying flood plain deposits.
Qs
Sand ; medium to coarse grain (300 - 800 micro ) , moderately to poorly sorted ,angular to subangular ,white brown ,yellow and green color ,get fine gravel and clay in lower part.
Quartzitec sndstonnne, bedded chert, siltstone, and shale; graylish white to deep red with fossils of Brachiopods, Pelecypods, Trilobite and Conodont.
Shale and siltstone, light greenish gray,brown, thin bedded, with bivalves, interbedded with limestone lens, light gray to gray.
Sand, slightly gravelly ; coarse to very coarse grain ( 600 - 1400 micro ) ,gravel grain ( 2 - 4 mm. ) ,white color ,small amount mottle , iron concretions increasing downward to lower part.
ËÔ¹â¤Å¹ ËÔ¹â¤Å¹à¹×éÍ«ÔÅÔ¡Ò ËÔ¹´Ô¹´Ò¹ ËÔ¹àªÔÃìµ ËÔ¹·ÃÒÂ ÊÕà·Ò ªÑé¹ºÒ§¶Ö§Ë¹Ò ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì¢Í§ ËÍÂ¡Òº¤Ùè ä·ÃâÅäºµì ¾ÅÑº¾ÅÖ§·ÐàÅâºÃÒ³
Mudstone, siliceous, mudstone,shale chert and sandstone,gray,thin-to thick bedded with bivalves,trilobite and crinoids.
SDC
Silurian-Devonian-Carboniferous
Yellowish brown, pink greenish grey to dark grey shale and sandstone with fossil of Tentaculites , Styliolinas , Trilobites ,Bryozoas and Brachiopods.
ËÔ¹»Ù¹ ËÔ¹»Ù¹à¹×éÍ´Ô¹ ÊÕà·Òà¢éÁ ªÑé¹Ë¹Ò¶Ö§Ë¹ÒÁÒ¡ ÁÕªÑé¹´Ô¹ºÒ§æá·Ã¡ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì¢Í§ nautiloid.
Limestone,argillaceous limestone,thick bedded to massive,with argillaceous laminations and fossil of nautiloid.
Triassic-Permian
ËÔ¹»Ù¹ ÊÕà·ÒÍÁªÁ¾Ù ÊÕà·Ò´Ó à»ç¹ªÑé¹ªÑ´à¨¹ ªÑé¹ºÒ§¶Ö§Ë¹Ò ÁÕ«Ò¡¿Ù«ÙÅÔ¹Ô¤ äºÃâÍ«ÑÇ áÅÐ¿ÍáÃÁÁÔ¹Ô¿ÍÃÒ ËÔ¹àªÔÃìµ ªÑé¹ºÒ§ áÅÐËÔ¹´Ô¹´Ò¹ÊÅÑº¡Ñº
ËÔ¹·ÃÒÂ ÊÕ¹éÓµÒÅ
Limestone,pinkish gray,dark gray,well bedded,thin-to thick-bedded,with bryozoas,fusulinids,foraminiferas chert,thin-bedded;
shale interbedded sandstone,brown.
Qa1
Sand ,very gravelly , slightly clayey; coarse grain ( 600 - 1800 micro ) , very poorly sorted , subangular ,grey to white color , abundant mottle.
Clay , slightly sandy ; very fine grain ( 70 micron ) , white to yellow color , small amout mottle , get rock fragment and iron concretion in lower parrt.
O
Grey to dark grey , massive and beded argillsseouss limestone.
E
Yellowish brown , pink green to dark brown quartzite sandstone and shale.
Tr-Jgr
Triassic-Jurassic
Biotite granite , Tourmaline granite , Porphyritic granite and Quartz vein.
Qrb
ËÒ´·ÃÒÂ»Ñ¨¨ØºÑ¹
Recent beach sands
Recent beach sands, medium to very coarse grained, moderately sorted, subround, light brown, light gray and brownish gray, moderately amount shell fragments, showing fining upward sequences.
Qob
µÐ¡Í¹·ÃÒÂ
Old beach sand
Old beach sand, very fine to medium grained, moderately well to very  well sorted, subround to subangular, brown, gray and white, small amount plant remains.
Qmc
µÐ¡Í¹ªÒÂ½Ñè§·ÐàÅâ´ÂÍÔ·¸Ô¾Å¢Í§¹éÓ¢Öé¹¹éÓÅ§
Coastal tide- dominated deposits
µÐ¡Í¹ªÒÂ½Ñè§·ÐàÅâ´ÂÍÔ·¸Ô¾Å¢Í§¹éÓ¢Öé¹¹éÓÅ§ : ´Ô¹àË¹ÕÂÇ ·ÃÒÂá»é§ áÅÐ·ÃÒÂÅÐàÍÕÂ´ ¢Í§·ÕèÅØèÁÃÒº¹éÓ·èÇÁ¶Ö§ ·ÕèÅØèÁª×é¹áÅÐ·ÕèÅØèÁ¹éÓ¢Ñ§»èÒªÒÂàÅ¹
Coastal tide- dominated deposits : clay, silt, and fine sand of tidal flat, marsh,mangrove swamp.
µÐ¡Í¹¹éÓ¾Ò : ¡ÃÇ´ ·ÃÒÂ áÅÐ´Ô¹àË¹ÕÂÇ ¨Ò¡¹éÓÅé¹½Ñè§·Õèà¡Ô´¨Ò¡¡ÃÐºÇ¹¡ÒÃ¸ÒÃ¹éÓ¾Ò
Alluvial deposits : gravel, sand, and overbank clay of fluvial process
Qt
µÐ¡Í¹µÐ¾Ñ¡
Terrace deposits
µÐ¡Í¹µÐ¾Ñ¡ÅÓ¹éÓ : ¡ÃÇ´ ·ÃÒÂ áÅÐÈÔÅÒáÅ§¢Í§áÁè¹éÓ¤×¹¾ÅÑ§
Terrace deposits : gravel, sand, and laterite of rejuvenated river.
Qas
µÐ¡Í¹·ÃÒÂ¹éÓ¾Ò
Alluvial sand deposits
µÐ¡Í¹·ÃÒÂ¹éÓ¾Ò : ¡ÃÇ´ ·ÃÒÂ áÅÐ´Ô¹àË¹ÕÂÇ ·ÕèÊÐÊÁµÑÇµÒÁÅÓ¹éÓà»ç¹ÊÑ¹·ÃÒÂËÑÇËÒ´ áÅÐÊÑ¹´Í¹·ÃÒÂ
Alluvial sand deposits : gravel, sand, and clay of point bar and sand bar.
ËÔ¹´Ò¹¡ÃèÍ¹
Erosion surface of bed rocks
ËÔ¹´Ò¹¡ÃèÍ¹: ËÔ¹´Ò¹·Õè¼Ø¾Ñ§ÍÂÙè¡Ñº·Õè  ËÃ×ÍËÔ¹´Ò¹·ÕèÁÕµÐ¡Í¹¤ÇÍà·ÍÃì¹ÒÃÕè·ÑºÍÂØè  Ë¹Ò¹éÍÂ¡ÇèÒ ÊÍ§àÁµÃ
Erosion surface  of bed rock : weathered bedrock in situ or bed rock with Quaternary sediment overlain less than 2 meters.
Terrece deposits
µÐ¡Í¹µÐ¾Ñ¡ÅÓ¹éÓ : ·ÃÒÂàÁç´ÅÐàÍÕÂ´ÁÒ¡ ¡ÒÃ¤Ñ´¢¹Ò´´ÕÁÒ¡  ÁÕÊÕ¹éÓµÒÅá¡Áá´§ ÇÒ§·ÑºÍÂØèº¹ªÑé¹ÈÔÅÒáÅ§ ·ÃÒÂ·ÕèÁÕ¢¹Ò´ËÂÒºáÅÐËÂÒºÁÒ¡ ÇÖè§ÍÒ¨¨Ðà»ç¹¡ÃÇ´ ÊÕ¢ÒÇ
Terrece deposit : sand,very find grain,very well sorted,reddish brown,overlying massively bedded laterite;sand,slightly gravelly,coarse-to very coase-grained white.
JK?
ËÔ¹·ÃÒÂ à¹×éÍÅÐàÍÕÂ´¨¹¶Ö§ËÂÒº  ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ á·Ã¡ÊÅÑº´éÇÂËÔ¹¡ÃÇ´Á¹  ËÔ¹·ÃÒÂá»é§ ÊÕà·Òá¡Á¹éÓµÒÅ  ÊÕ¹éÓµÒÅá¡Áá´§ áÊ´§ÅÑ¡É³ÐªÑé¹à©ÕÂ§ÃÐ´Ñº
sandstone fine -to coarse-grainde, poor sorted interbedded with conglomerate,siltstone, brownish gray,reddish brown,cross-bedded.
µÐ¡Í¹´Ô¹à¤ÅÂìáÅÐ·ÃÒÂá»é§
Tidal flat clay and silt
Tidal flat clay and silt, light gray to greenish gray, abundant plant remain and peats in upper part, sand lens at lower part. Underlying with white to light gray massive clay with abundant mottles in yellowish brown and red color.
CK
ËÁÇ´ËÔ¹¤Ç¹¡ÅÒ§
Kuan Klang Formation
ËÁÇ´ËÔ¹¤Ç¹¡ÅÒ§- ËÔ¹â¤Å¹ ÊÕà·Òá¡Áà¢ÕÂÇ à·Ò à¢ÕÂÇá¡ÁàËÅ×Í§ ªÁ¾Ù á·Ã¡ÊÅÑº´éÇÂËÔ¹·ÃÒÂ à¹×éÍÅÐàÍÕÂ´ ÊÕ¹éÓµÒÅÍèÍ¹  ÊÕà·Òá¡Á¢ÒÇ  ËÔ¹´Ô¹´Ò¹  ËÔ¹·ÃÒÂá»é§ ÁÕÇÒ¡´Ö¡´ÓºÃÃ¾ì¢Í§ Posidonomyasp.
KAUN KLANG FORMATION - Mudstone ,greenish gray,yellowish green,pink,interbeded with sandstone ,find grained,pale brown,whitish gray ,shale,siltstone with fossils of posidonomya sp..
Qaf
Alluvial sand, silt and clay with rare gravelly; fine to medium grained, moderately sorted, subangular, brownish gray to gray, small amount plant remain, rare iron concretion at lower part.
Qms
Coastal wave- dominated deposits
µÐ¡Í¹ªÒÂ½Ñè§·ÐàÅ â´ÂÍÔ·¸Ô¾Å¤Å×è¹ : ·ÃÒÂ áÅÐ·ÃÒÂ«ÔÅÔ¡Ò¢Í§ÊÑ¹·ÃÒÂ ËÒ´ÊÑ¹´Í¹ à¹Ô¹·ÃÒÂ áÅÐÅÒ¡Ù¹
Coastal wave- dominated deposits: sand, silica sand of sand ridge, barrier beach,sand dune, and lagoon.
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò
Colluvial deposits
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò : µÐ¡Í¹ËÔ¹¼ØÍÂÙè¡Ñº·Õè ÈÔÅÒáÅ§ áÅÐàÈÉËÔ¹
Colluvial deposits : residual sediments, laterite and rock fragments.
CPk
¡ÅØèÁËÔ¹á¡è§¡ÃÐ¨Ò¹  ËÔ¹´Ô¹´Ò¹ ÁÕËÔ¹·ÃÒÂÍÒÃìâ¤Ê áÅÐËÔ¹·ÃÒÂá»é§á·Ã¡ ËÔ¹´Ô¹´Ò¹ÊÅÑºªÑé¹¡ÑºËÔ¹·ÃÒÂáÅÐËÔ¹â¤Å¹ ÊÕà·Òà¢éÁ ÁÕà·Òá¡Áà¢ÕÂÇ ÊÕ¹éÓµÒÅá¡Áá´§ ÊèÇ¹¡ÅÒ§ÁÕËÔ¹·ÃÒÂÍÒÃìâ¤Ê»¹¡ÃÇ´ ÊÕ¹éÓµÒÅá¡ÁàËÅ×Í§äÁèáÊ´§ªÑé¹ ËÔ¹·ÃÒÂá»é§ÊÅÑºªÑé¹¡ÑºËÔ¹´Ô¹´Ò¹ ÊÕà·Ò¶Ö§à·Òá¡Áà¢ÕÂÇ
ªÑé¹ËÔ¹ºÒ§¶Ö§Ë¹Ò»Ò¹¡ÅÒ§ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì¢Í§áÍÁâÁ¹ÍÂ´ì á¡Êâ·Ã¾Í´ áÅÐÃèÍ§ÃÍÂ¢Í§«Ò¡´Ö¡´ÓºÃÃ¾ì ÊèÇ¹º¹ÊØ´ÁÕàªÔÃìµÊÅÑºªÑé¹¡ÑºàÅ¹Êì¢Í§ËÔ¹»Ù¹ ÊÕ¹éÓµÒÅá¡ÁàËÅ×Í§¶Ö§ÊÕà·Ò áÊ´§ªÑé¹Ë¹Ò»Ò¹¡ÅÒ§
Kaeng Krachan group  Shale, intercalated arkosic sandstone and siltstone ; shale interbedded with sandstone and mudstone; dark gray, greenish gray, reddish brown; middle part, arkosic pebbly sandstone, yellowish brown, massive ; siltstone interbedded
with mudstone, gray to greenish gray, thin-to medium-bedded, with ammoniod, gastropod, and trace fossils; upper part,chert interbedded with limestone lens, yellowish brown to gray, medium bedded.
ËÔ¹»Ù¹ÊÅÑºªÑé¹¡ÑºàªÔÃìµ
Limestone interbedded with chert
ËÔ¹»Ù¹ÊÅÑºªÑé¹¡ÑºàªÔÃìµ áÅÐàªÔÃìµâ¹´ÙÅ ÊÕà·Ò¶Ö§à·Ò´Ó äÁèáÊ´§ªÑé¹¶Ö§ªÑé¹Ë¹Ò ÊèÇ¹º¹à»ç¹ËÔ¹»Ù¹â´âÅäÁµì ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì¢¹Ò´àÅç¡ÍÂÙè»ÃÐ»ÃÒÂ
Limestone interbedded with chert and chert nodule, gray to dark gray, massive to thick bedded; dolomitic limestone in the upper part; a few of small fossils.
O2
¡ÅØèÁËÔ¹·Øè§Ê§  ÊÕà·Ò¶Ö§à·Ò´Ó á·Ã¡ÊÅÑº´éÇÂªÑé¹ºÒ§æ ¢Í§ËÔ¹à¹×éÍ´Ô¹  áÊ´§ÅÑ¡É³Ðà»ç¹ªÑé¹ËÔ¹ºÒ§¶Ö§Ë¹Ò»Ò¹¡ÅÒ§ ã¹ºÒ§ºÃÔàÇ³¨Ðà»ç¹ËÔ¹»Ù¹à¹×éÍâ´âÅäÁµì  ÁÕ¿ÍÊ«ÔÅ¢Í§¹ÍµÔÅÍÂ´ì ÊÒËÃèÒÂ
THUNG SONG GROUP- Limestone ,gray to dark gray interbeded with argillaceous layer,thin to medium beded ,occasionally dolomitic  limestone with fossil of nautiloid,algae.
Q1
¡ÅØèÁËÔ¹·Øè§Ê§-ÊèÇ¹ÅèÒ§à»ç¹ËÔ¹¿ÔÅäÅµì  ËÔ¹´Ô¹´Ò¹ ÊÕ¹éÓµÒÅá¡ÁàËÅ×Í§ á·Ã¡ÊÅÑº´éÇÂËÔ¹·ÃÒÂ  à¹×éÍÅÐàÍÕÂ´ ÊÕ¹éÓµÒÅá¡ÁàËÅ×Í§  áÅÐËÔ¹»Ù¹à¹×èÍ´Ô¹  ã¹ºÒ§ºÃÔàÇ³¨Ðá·Ã¡ÊÅÑº¡ÑºËÔ¹á¤Å¡ì-«ÔÅÔà¡µ  ËÔ¹ÍèÍ¹¡Öè§ËÔ¹ªÕÊµì  ÊèÇ¹º¹à»ç¹ËÔ¹¿ÔÅäÅµì á·Ã¡ÊÅÑº´éÇÂËÔ¹ÍèÍ¹¡Öè§ËÔ¹ªÕÊµì
THUNG  SONG GROUP-The lower part : phyllite,shale, yellowish brown ,interbeded with sandstone ,fine grained,yellowish brown and argillaceous limestone, locally calc-silicate,schistose marble ; the upper part : phyllite interbeded with schistose marble.
Kgr
Jurassic
Coarse grained biotite-muscovite granite, porphyritic biotite granite, adamellite and quartz vein.
Qcd
Colluvial sand
Colluvial sand, gravel, slightly clayey and silty; moderately coarse to very coarse grained, very poorly sorted, subangular, light brown to yellow, abundant mottles and small amount iron concretion.
Qld
Lagoonal mud and clay with sand lens
Lagoonal mud and clay with sand len
Lagoonal mud and clay with sand lens, gray to white, abundant plant remain in upper part, mottles in yellow to redish brown color, overlying on former sand.
µÐ¡Í¹á¢ç§¡Öè§ÃèÇ¹¢Í§¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ áÅÐ´Ô¹àË¹ÕÂÇ ÊÕ¹éÓµÒÅá´§ ÊÕªÁ¾Ùá´§ áÊ´§ªÑé¹à©ÕÂ§ÃÐ´Ñº¢Í§µÐ¡Í¹¹éÓ¾Ò
Semiconsolidated gravel, sand, and clay; reddish brown, reddish pink, cross-bedded of alluvial deposits.
Qvp
Valley plain sands, slightly gravelly and clayed; moderately coarse to fery coarse grained, poorly sorted, subangular, light gray to white.
ËÁÇ´ËÔ¹ÂÐËÒ  ËÔ¹´Ô¹´Ò¹»¹«ÔÅÔ¡Ò àªÔÃìµ ËÔ¹´Ô¹´Ò¹ ÊÕà·Òá¡Áà¢ÕÂÇ ÊÕ¹éÓµÒÅ ªÑé¹ËÔ¹ºÒ§¶Ö§Ë¹Ò»Ò¹¡ÅÒ§
Yaha Formation Siliceous shale, chert, shale, greenish gray, brown, thin-to medium-bedded.
JKl
ËÁÇ´ËÔ¹ÅÓ·Ñº
Lam Thap Formation
ËÁÇ´ËÔ¹ÅÓ·Ñº ËÔ¹·ÃÒÂÍÒÃìâ¤ÊáÅÐÅÔ·Ô¡ ËÔ¹â¤Å¹ ËÔ¹·ÃÒÂá»é§ ÊÕ¹éÓµÒÅá´§ áÊ´§ªÑé¹à©ÕÂ§ÃÐ´Ñº µÍ¹º¹à»ç¹ËÔ¹¡ÃÇ´Á¹áÅÐËÔ¹·ÃÒÂ
Lam Thap Formation Sandstone, arkose and lithic, mudstone, siltstone ; reddish brown, cross-bedded, conglomerate and sandstone in the upper part.
E2
¡ÅØèÁËÔ¹µÐÃØàµÒ
Tarutao Group
¡ÅØèÁËÔ¹µÐÃØàµÒ- ËÔ¹·ÃÒÂ ËÔ¹·ÃÒÂà¹×éÍ¤ÇÍÃµ«ì à¹×éÍÅÐàÍÕÂ´¶Ö§à¹×éÍ»Ò¹¡ÅÒ§ ÊÕà·Òá¡Á¹éÓµÒÅ áÊ´§ÅÑ¡É³Ðà»ç¹ªÑé¹Ë¹Ò ã¹ºÒ§ºÃÔàÇ³¨Ðà»ç¹ËÔ¹¤ÇÍÃµ«ìáÅÐËÔ¹äÃâÍÅÔµÔ¡·Ñ¿¿ì
TARUTAO GROUP- Sandstone ; quartzitic sandstone ,fine to medium-grained,brownish gray ,thick beded ,locally quartzite and rhyolitic tuff.
ËÔ¹äºâÍä·µìá¡Ã¹Ôµ
Biotie granite
SDCtp
Carboniferous-Devonian-Silurian
¡ÅØèÁËÔ¹·Í§¼ÒÀÙÁÔ
Thong Pha Phum Group
¡ÅØèÁËÔ¹·Í§¼ÒÀÙÁ
¡ÅØèÁËÔ¹·Í§¼ÒÀÙÁÔ- ËÔ¹´Ô¹´Ò¹¡Öè§ËÔ¹ª¹Ç¹ ËÔ¹´Ô¹´Ò¹ ËÔ¹â¤Å¹ ÊÕà·Ò´Ó ´Ó áÊ´§ÅÑ¡É³Ðà»ç¹ªÑé¹ºÒ§¶Ö§»Ò¹¡ÅÒ§
THONG PHA PHUM GROUP-Slaty shale ,slate,mudstone,dark gray ,black,thin to medium beded.
E1
¡ÅØèÁËÔ¹µÐÃØàµÒ-  ËÔ¹¿ÔÅäÅµì ËÔ¹·ÃÒÂá»é§ ÊÕ¹éÓµÒÅá¡ÁàËÅ×Í§ ÊÕà·Ò ã¹µÍ¹º¹¨Ðá·Ã¡ÊÅÑº´éÇÂËÔ¹¤ÇÍÃµ«ì
TARRUTAO GROUP- Phyllite;siltstone; yellowish browe,gray,interbeded with quartzite in the part.
¡ÅØèÁËÔ¹·Í§¼ÒÀÙÁÔ  ËÔ¹à¡ÃÂìáÇ¡ ËÔ¹·ÃÒÂá»é§ ËÔ¹â¤Å¹ ËÔ¹´Ô¹´Ò¹ ÁÕà·Ò¶Ö§à·Ò´Ó ºÒ§ºÃÔàÇ³¾ºËÔ¹á»Ã¾Ç¡ ËÔ¹ª¹Ç¹áÅÐËÔ¹¿ÔÅäÅµì
Thong Pha Phum group Graywacke, silstone,mudstone,shale,gray to grayish black, locally metamorphic rocks, slate and phyllite
Trgr1
Late Triassic
ËÔ¹á¡Ã¹Ôµ·Øè§ÇÑ§
Thung Wang granite
ª¹Ô´ËÔ¹áÅÐÊ¶Ò¹·Õè
Rock name and place
ËÔ¹á¡Ã¹Ôµ·Øè§ÇÑ§ :ËÔ¹äºâÍä·µìá¡Ã¹Ôµ  à¹×éÍ´Í¡  à¹×éÍ»Ò¹¡ÅÒ§¶Ö§à¹×éÍËÂÒº  áÃè´Í¡à¿ÅµìÊ»ÒÃìáÅÐáÃè¤ÇÍÃìµ¡ÅÁ ÁÕ¢¹Ò´¶Ö§ 90ÁÁ.
Thung Wang granite :biotite granite; porphyritic, medium-tocoarse-grained,phenocryst of feldspars and round quartz, up to 90 mm.
µÐ¡Í¹·ÕèÅÒ´àªÔ§à¢Ò : ·ÃÒÂ áÅÐ´Ô¹à¤ÅÂì ÊÕà·Ò¨Ò§ ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ ¾ºáÃè´ÕºØ¡ÊÐÊÁµÑÇÁÒ¡
Colluvial deposits : sand and clay, light gray, poorly sorted, secondary cossiterite occurred.
Tr
ËÔ¹´Ô¹´Ò¹»¹«ÔÅÔ¡ÒàªÔÃìµ
Siliceous shale,chert
ËÔ¹´Ô¹´Ò¹»¹«ÔÅÔ¡ÒàªÔÃìµ ËÔ¹´Ô¹´Ò¹ ÊÕà·Òá¡Áà¢ÕÂÇ ÊÕ¹éÓµÒÅ ªÑé¹ËÔ¹ºÒ§¶Ö§Ë¹Ò»Ò¹¡ÅÒ§ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì ¢Í§àÃ´ÔâÍÅÒàÃÕÂ¹ áÍÁâÁä¹µì áÅÐÍ×è¹æ
Siliceous shale,chert,shale,greenish gray,brown,thin-to medium-bedded,with fossils of radiolarians,ammonite,ect.
ËÔ¹·ÃÒÂáÅÐËÔ¹´Ô¹´Ò¹
Sandstone ,and shale interbedded
ËÔ¹·ÃÒÂáÅÐËÔ¹´Ô¹´Ò¹ ÊÅÑº´éÇÂ ËÔ¹´Ô¹´Ò¹à¹×éÍ«ÔÅÔ¡Ò ÊÕà·Ò áÅÐªÑé¹ËÔ¹àªÔÃìµ ËÔ¹´Ô¹´Ò¹áÅÐËÔ¹´Ô¹´Ò¹à¹×éÍ«ÔÅÔ¡Ò ÊÕÁèÇ§á¡Áá´§
sandstone ,and shale interbedded with siliceous shale gray, and chert beds; shale and minor siliceous shale, reddish purple.
Qtl
µÐ¡Í¹µÐ¾Ñ¡ÃÐ´ÑºµèÓ
Lower terraces
µÐ¡Í¹µÐ¾Ñ¡ÃÐ´ÑºµèÓ : ¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ ´Ô¹àË¹ÕÂÇ áÅÐ´Ô¹ÅÙ¡ÃÑ§ ÊÕ¹éÓµÒÅá¡Áá´§
Lower terraces : gravel,sand,silt,clay and lateritic soil,reddish brown.
CP1
ËÔ¹·ÃÒÂá·Ã¡ÊÅÑº¡ÑºËÔ¹â¤Å¹ ÊÕà·Ò
Sandstone interbedded mudstone,dark gray.
CPkp
Permo-Carboniferous
ËÁÇ´ËÔ¹à¢Ò¾ÃÐ
Khao Phra Formation
ËÔ¹â¤Å¹ ÊÕà·Òà¢éÁ ªÑé¹ºÒ§¶Ö§ªÑé¹Ë¹ÒÁÒ¡ ÁÕ·ÃÒÂá»é§à»ç¹ÃÔéÇºÒ§æ ËÔ¹¼ØÊÕ¹éÓµÒÅá´§ ÊÅÑº¡ÑºËÔ¹·ÃÒÂá»é§ ËÔ¹·ÃÒÂà¹×éÍ´Ô¹ áÅÐËÔ¹â¤Å¹»¹¡ÃÇ´
ËÔ¹·ÃÒÂàÁç´ÅÐàÍÕÂ´¶Ö§»Ò¹¡ÅÒ§ ªÑé¹Ë¹Ò ¡ÒÃ¤Ñ´¢¹Ò´»Ò¹¡ÅÒ§ àÁç´¤èÍ¹¢éÒ§Á¹ ¡ÃÇ´»ÃÐ¡Íº´éÇÂáÃè¤ÇÍµ«ì ËÔ¹·ÃÒÂ Ë¹ÔàªÔÃìµ áÅÐËÔ¹á¡Ã¹Ôµ
Mudstone,dark gray,thin bedded to massive,with silt lamination,weathering to reddish brown,interbedded with siltstone;lithic
sandstone and pebbly mudstone;sandstone,fine-to medium-grained,thick bedded,moderately sorted,subrounded,pebbles composed
of quartz,sandstone,chert and granite.
ËÔ¹·ÃÒÂà¹×éÍ¤ÇÍµ«ì ÊÕà·ÒÍèÍ¹ ¹éÓµÒÅèÍ¹ àÁç´ÅÐàÍÕÂ´¶Ö§»Ò¹¡ÅÒ§ ¡ÒÃ¤Ñ´¢¹Ò´´Õ àÁç´¡ÅÁÁ¹´Õ ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹´Õ ªÑé¹Ë¹Ò¶Ö§Ë¹ÒÁÒ¡ ÊÅÑº¡Ñº
ËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹·ÃÒÂá»é§ÊÕ¹éÓµÒÅá´§ ªÑé¹ºÒ§
Quartzitic sandstone,light gray,light brown,fine-to medium-grained,well sorted,well rounded,well cemented,thick bedded to massive,
interbedded with shale and siltstone,reddish brown,thin bed.
Qth
µÐ¾Ñ¡ÃÐ´ÑºÊÙ§
High terrace
µÐ¡Í¹µÐ¾Ñ¡ÃÐ´ÑºÊÙ§ : ªÑé¹¡ÃÇ´»¹·ÃÒÂ áÅÐ´Ô¹àË¹ÕÂÇ ÊÕ¹éÓµÒÅá¡Áá´§ ¡éÍ¹¡ÃÇ´¢¹Ò´¡ÃÇ´¶Ö§¡éÍ¹ËÔ¹ãË­è à»ç¹ªÑé¹Ë¹Ò »ÃÐ¡Íº´éÇÂ ËÔ¹·ÃÒÂ
ËÔ¹´Ô¹´Ò¹ áÃè¤ÇÍÃµ«ì áÅÐËÔ¹àªÔÃìµ ¾º·ÕèÃÐ´Ñº¤ÇÒÁÊÙ§ÁÒ¡¡ÇèÒ 35 àÁµÃ
Higher terraces : gravel,sandy,clayey,reddish brown,pebble to boulder,thick bedded,consisting sandstone,shale,quartz and chert,
occuring at the level higher than 35 meters.
µÐ¡Í¹µÐ¾Ñ¡ : ·ÃÒÂ ·ÃÒÂá»é§ ´Ô¹áÅÐ¡ÃÇ´à¹×éÍËÂÒº
Terrace deposits : sand, silt, soil and gravel, coarse-grained.
Trgr3
ËÔ¹á¡Ã¹Ôµ·Øè§â¾¸Ôì
Thung Pho granite
ËÔ¹á¡Ã¹Ôµ·Øè§â¾¸Ôì : ËÔ¹äºâÍä·µì ÁÑÊâ¤äÇµì ·ÑÇÁÒÅÕ¹ á¡Ã¹Ôµ à¹×éÍÊÁèÓàÊÁÍ à¹×éÍÅÐàÍÕÂ´¶Ö§»Ò¹¡ÅÒ§ ¾ºáÃè´ÕºØ¡
Thung Pho granite:biotite-muscovite and muscovite-tourmaline granites, equigranular,fine-to medium-grained withcassiterite accessory.
ËÔ¹´Ô¹´Ò¹ ËÔ¹´Ô¹´Ò¹à¹×éÍ»Ù¹ ÊÕ¹éÓµÒÅá´§ ¹éÓµÒÅ ¹éÓµÒÅàËÅ×Í§ ªÑé¹ºÒ§ÊÅÑº¡ÑºËÔ¹·ÃÒÂá»é§ ËÔ¹·ÃÒÂà¹×éÍ´Ô¹ àÁç´ÅÐàÍÕÂ´ ¡ÒÃ¤Ñ´¢¹Ò´´Õ ÁÕËÔ¹»Ù¹
à»ç¹àÅ¹Êìá·Ã¡´éÒ¹º¹
Shale,calcareous shale,reddish brown,brown and yellowish brown,thin bedded,interbedded with siltstone,lithic sandstone,
fine-grained,well sorted,with limestone lenses at top.
µÐ¡Í¹¾ÔàÈÉËÔ¹àªÔ§à¢Ò : àÈÉËÔ¹ ¢¹Ò´¡ÃÇ´¶Ö§¡éÍ¹ËÔ¹ãË­è »¹·ÃÒÂ ·ÃÒÂá»é§ áÅÐ´Ô¹àË¹ÕÂÇ
Colluvial deposits : rock fragment,pebble to boulder,sandy,silty and clayey.
ËÔ¹´Ò¹¡ÃèÍ¹ : ËÔ¹´Ò¹·Õè¼Ø¾Ñ§ÍÂÙè¡Ñº·Õè ËÃ×ÍËÔ¹´Ò¹·ÕèÁÕµÐ¡Í¹¤ÇÍà·ÍÃì¹ÒÃÕ·ÑºÍÂÙèË¹Ò¹éÍÂ¡ÇèÒ 2 àÁµÃ
Residual deposits : weatered bed rock in situ or bed rock with quatemary sediment overlains less than 2 meters.
CP2
ËÔ¹·ÃÒÂ»¹¡ÃÇ´ ËÔ¹â¤Å¹»¹¡ÃÇ´ ËÔ¹â¤Å¹ ËÔ¹·ÃÒÂÊÅÑºªÑé¹¡ÑºËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹´Ô¹´Ò¹ ÊÕà·Ò´Ó ÁÕâ¤Ã§ÊÃéÒ§áººÅ×è¹ä¶Å ÀÒÂã¹ªÑé¹áÊ´§¡ÒÃ
áµ¡áººËÔ¹ª¹Ç¹
Pebby sandstone;pebby mudstone;mudstone;sandstone interbedded mudstone and shale,dark gray,slump structure,slatty clevage.
T
ËÔ¹¡ÃÇ´Á¹ÊÅÑº¡ÑºËÔ¹·ÃÒÂ»¹¡ÃÇ´
Conglomerate interbedded conglomera
ËÔ¹¡ÃÇ´Á¹ÊÅÑº¡ÑºËÔ¹·ÃÒÂ»¹¡ÃÇ´ ËÔ¹·ÃÒÂ áÅÐËÔ¹·ÃÒÂá»é§ ÊÕ¹éÓµÒÅ áÅÐÊÕà·Òá¡ÁÁèÇ§ ÁÕ«Ò¡´Ö¡´ÓºÃÃ¾ì ËÍÂ¡Òºà´ÕÂÇ áÅÐ«Ò¡¾×ª
Conglomerate interbedded conglomeratic sandstone,sandstone and siltstone,brown,grayish purple,gastropods and plant remain.
Trnw2
ËÁÇ´ËÔ¹¹Ò·ÇÕ (¡ÅÒ§)
Na Thawi Formation (middle)
ËÁÇ´ËÔ¹¹Ò·Ç
Na Thawi Formation
ËÔ¹´Ô¹´Ò¹ ÊÕà·Òá¡Áà¢ÕÂ¹ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì Ê¡ØÅâ¾ÊÔâ´à¹ÕÂ áÅÐÎÒâÅà¹ÕÂ ËÔ¹·ÃÒÂ ÊÕà·Ò¶Ö§à·Òà¢éÁ à¹×éÍÅÐàÍÕÂ´ áÅÐËÔ¹·ÃÒÂá»é§ ÊÕà·ÒÊÅÑºªÑé¹
Shale,greenish gray,with pasidonia sp.and Halobia sp; sandstone,gray to dark gray,fine-grained and siltstone,gray, interbedded.
Trnw3
ËÁÇ´ËÔ¹¹Ò·ÇÕ (º¹)
Na Thawi Formation (upper)
ËÔ¹·ÃÒÂ ËÔ¹·ÃÒÂ»¹¡ÃÇ´ ÊÕà·Ò¨Ò§ ÁÕ¡ÒÃÇÒ§ªÑé¹áººàÃÕÂ§¢¹Ò´
Sandstone and pebbly sandstone,light gray, graded bedding
Trnw1
ËÁÇ´ËÔ¹¹Ò·ÇÕ (ÅèÒ§)
Na Thawi Formation (Lower)
ËÔ¹´Ô¹´Ò¹ ÊÕà·Òá¡Áà¢ÕÂÇ ËÔ¹·ÃÒÂ ÊÕà·Ò¶Ö§à·Òà¢éÁ à¹×éÍÅÐàÍÕÂ´ áÅÐËÔ¹·ÃÒÂ»¹¡ÃÇ´ àÁç´¡ÃÇ´¢Í§áÃè¤ÇÍÃìµ ËÔ¹´Ô¹´Ò¹áÅÐËÔ¹àªÔÃìµ ¢¹Ò´ 1-3 ùÁ.
Shale, greenish gray to gray;sandstone, gray to dark gray, fine-grained and pebbly sandstone, with 1-3 cm. clasts of quartz,shale and chert.
JKmk
ËÁÇ´ËÔ¹ÁÕà¡ÕÂÃµÔ
Khao Mi Kiat Formation
ËÁÇ´ËÔ¹à¢ÒÁÕà¡ÕÂÃµÔ
ËÔ¹¡ÃÇ´Á¹ àÁç´¡ÃÇ¨¢¹Ò´ 2-40 «Á. ¢Í§ËÔ¹¤ÇÍµ«ìä«µì ËÔ¹·ÃÒÂ ËÔ¹´Ô¹´Ò¹ áÅÐáÃè¤ÇÍµ«ì ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ ªÑé¹ËÔ¹à»ç¹¤Å×è¹áÅÐÁÕ¡ÒÃÇÒ§ªÑé¹áººàÃÕÂ§¢¹Ò´
Conglomerate with 2-40 cm.clast of quartzite,sandstone,shale and quartz,poory sorted,current bedded and graded bedding.
Trnw
ËÁÇ´ËÔ¹¹Ò·ÇÕ
ËÔ¹·ÃÒÂÊÅÑº¡ÑºËÔ¹·ÃÒÂá»é§ ËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹àªÔÃìµ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ì ª¹Ô´ Posidonia sp. áÅÐ Daonella sp.ËÔ¹·ÃÒÂ ÊÕà·Ò¨Ò§ à¹×éÍÅÐàÍÕÂ´¶Ö§
»Ò¹¡ÅÒ§ ËÔ¹´Ô¹´Ò¹ ÊÕà·Ò¶Ö§¹éÓµÒÅá¡Áà·Ò ËÔ¹àªÔÃìµ ÊÕà·Ò¨Ò§ ÁÕ¡ÒÃ¤´â¤é§ÍÂèÒ§ÃØ¹áÃ§
Sandstone interbedded with siltstone,shale and chert with Posidonia sp.,Daonella sp.,sandstone,light gray,fine-to medium-grained;
shale,gray to grayish brown;chert,light gray,with tight folds.
Jmk
ËÔ¹¡ÃÇ´Á¹ ËÔ¹·ÃÒÂà¹×éÍ¡ÃÇ´Á¹ áÅÐËÔ¹·ÃÒÂ ¢¹Ò´àÁç´¡ÃÇ´µÑé§áµè 0.2 ¶Ö§ 15 «Á. áÅÐÁÕ¢¹Ò´ãË­è¶Ö§ 30 «Á.ºéÒ§ »ÃÐ¡Íº´éÇÂ áÃè¤ÇÍµ«ì
ËÔ¹¤ÇÍÃìµä«µì ËÔ¹àªÔÃìµ áÅÐËÔ¹´Ô¹´Ò¹ ËÔ¹·ÃÒÂ à¹×éÍ»Ò¹¡ÅÒ§ ¶Ö§ËÂÒº ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹´Õ
Conglomerate,conglomeratic sandstone and sandstone,with 0.2 - 15 cm. and a few up to 30 cm. clasts compose of quartz,quartzite,
chert and shale; sandstone,medium-to coarse-grained,well cemented.
Colluviul deposits
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò : ¡ÃÇ´ »¹·ÃÒÂ áÅÐ»¹´Ô¹àË¹ÕÂÇ ÊÕ¹éÓµÒÅá¡Áá´§ ¡ÃÇ´ ªÑé¹ºÒ§ áÅÐàÈÉ¢Í§àËÅç¡
Colluviul deposits : gravel,sandy,and clayey,reddish brown;thin bedded gravel and ferricrete fragments.
ËÔ¹·ÃÒÂ ÊÕà·Ò¨Ò§ à¹×éÍ»Ò¹¡ÅÒ§¶Ö§ËÂÒº ¡ÒÃ¤Ñ´¢Ò´´Õ ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹»Ò¹¡ÅÒ§¶Ö§´ÕÁÒ¡ ªÑé¹»Ò¹¡ÅÒ§¶Ö§Ë¹Ò ËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹â¤Å¹ ÊÕà·Òá¡Áà¢ÕÂÇ
¶Ö§à·Ò ËÔ¹·ÃÒÂÊÅÑº¡ÑºËÔ¹´Ô¹´Ò¹ à»ç¹ªÑé¹´Õ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ìª¹Ô´ Posidonomya sp.áÍÁâÁä¹µì ËÍÂÊÍ§½Ò áÅÐä·ÃâÅäºµì ËÔ¹·ÃÒÂá»é§ ÊÕ¹éÓµÒÅ
á¡Áá´§ ËÔ¹àªÔÃìµ ÊÕà·Ò¶Ö§à·Òà¢éÁ ªÑé¹ºÒ§
Sandstone,light gray,medium-to coarse-grained,well sorted,moderately to highly cemented,medium to thick bedded; shale and
mudstone,greenish gray to gray; sandstone interbedded with shale,well bedded,with Posidonomya sp.ammonites,bivalves and,
trilobites;siltstone,reddish brown;chert,gray to dsrk gray,thin-bedded.
µÐ¡Í¹µÐ¾Ñ¡ : ªÑé¹¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ ÈÔÅÒáÅ§ áÅÐ´Ô¹ÅÙ¡ÃÑ§
Terrace deposit : Bed of gravel,sand,silt,laterite,and lateritic soil.
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò : ªÑé¹¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ ÈÔÅÒáÅ§ áÅÐ´Ô¹ÅÙ¡ÃÑ§ ÊÕá´§¶Ö§¹éÓµÒÅá´§ ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ ¾º¡éÍ¹µÃÐ¡ÃÑ¹àËÅç¡»Ð»¹ã¹à¹×éÍ´Ô¹
¾ºàÈÉËÔ¹ áÅÐªÑé¹ËÔ¹°Ò¹·Õè¼Ø¾Ñ§
Colluvial doposit : bed of gravel,sand,silt,laterite,laterite,and lateritic soil,red to reddish brown,poorly sorted,moderately iron concretion,
with rock fragments and weathered bed rocks.
µÐ¡Í¹¹éÓ¾Ò : ¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ áÅÐ´Ô¹àË¹ÕÂÇ
Alluvial deposits : gravel,sand,silt,and clay.
Carboniferous-Permain
ËÔ¹â¤Å¹ ËÔ¹´Ô¹´Ò¹ ËÔ¹·ÃÂá»é§ ÊÕà·Òà¢ÕÂÇ ÊÕà·Òà¢éÁ áÅÐà·Ò¹éÓµÒÅ ªÑé¹ºÒ§¶Ö§Ë¹Ò ÁÑ¡áÊ´§ÅÑ¡É³ÐªÑé¹ËÔ¹ºÒ§ â¤Ã§ÊÃéÒ§Å×è¹ä¶Å áÅÐ¡ÒÃÇÒ§ªÑé¹
áººàÃÕÂ§¢¹Ò´ ËÔ¹â¤Å¹à¹×éÍ¡ÃÇ´ ÊÕà·Òà¢ÕÂÇ à·Ò ªÑé¹Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹ÒÁÒ¡ áÊ´§â¤Ã§ÊÃéÒ§Å×è¹ä¶ÅàÁç´¡ÃÇ´»ÃÐ¡Íº´éÇÂ¤ÇÍµ«ì ËÔ¹·ÃÒÂ
áÅÐËÔ¹´Ô¹´Ò¹¢¹Ò´µèÒ§æËÔ¹·ÃÒÂà¹×éÍà¡ÃÂìáÇ¡ ÊÕà·Òà¢ÕÂÇ ªÑé¹ËÔ¹Ë¹Ò ¢¹Ò´àÁç´µÐ¡Í¹àÅç¡¶Ö§ãË­èÁÒ¡ ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ ¤ÇÒÁ¡ÅÁÁ¹µèÓ ÁÑ¡¾º«Ò¡
´Ö¡´ÓºÃÃ¾ì»ÃÐàÀ·ËÍÂ¡Òº¤Ùèä·ÃâÅäºµì áºÃ´ÔâÍ¾Í´ á¡Ãâµ¾Íµ áÅÐ¾ÅÑº¾ÅÖ§·ÐàÅã¹ËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹â¤Å¹
Mudstone,shale,siltstone,greenish gray,dark gray and brownish gray,thin to thick bedded,lamination,slump structure and graded
bedding are common;pebbly mudstone,greenish gray to gray,medium-to very thick-bedded,slump structure,with pebbles in various
siaes of quartz,sandstone and shale;graywacke,greenish gray,thick-bedded,fine-to coarse-grained,poorly-sorted,angular to subangular,
in shale and mudstone having abundant fossils of bivalves,trilobite,brachiopod,gastropod,and crinoid stems.
ËÔ¹â¤Å¹ ËÔ¹´Ô¹´Ò¹ ËÔ¹·ÃÒÂá»é§ ËÔ¹·ÃÒÂ ËÔ¹â¤Å¹»¹¡ÃÇ´ áÅÐËÔ¹·ÃÒÂ»¹¡ÃÇ´ ÊÕà·Ò´Ó ªÑé¹ËÔ¹Ë¹Ò ÁÕªÑé¹ºÒ§ áÅÐàÅ¹Êì¢Í§ËÔ¹·ÃÒÂá»é§
àÁç´µÐ¡Í¹¢¹Ò´ÅÐàÍÕÂ´¶Ö§ËÂÒº ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ ¤ÇÒÁ¡ÅÁÁ¹¤èÍ¹¢éÒ§´Õ «Ò¡´Ö¡´ÓºÃÃ¾ìà»ç¹ ËÍÂ¡Òº¤Ùè áÅÐä¤Ã¹ÍÂ´ì
Mudstone,shale,siltstone,sandstone,pebbly mudstone and pebbly sandtone,dark-grey,thick bedded with laminated and lensof
silstone,fine-coarse grain,poorly sorted,moderatly roundnedd,fossils;brachiopod and crinoid.
Middle Permian
ËÔ¹»Ù¹ ËÔ¹»Ù¹»¹â´âÅäÁµì ÊÕà·Ò¶Ö§à·Òà¢éÁ ªÑé¹ËÔ¹Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹Ò à¹×éÍËÔ¹ºÒ§ÊèÇ¹áÊ´§¡ÒÃµ¡¼ÅÖ¡ ãËÁèËÃ×Íà»ç¹ËÔ¹ÍèÍ¹µÒÁá¹ÇÃÍÂàÅ×èÍ¹
¾º«Ò¡´Ö¡´ÓºÃÃ¾ì»ÃÐàÀ·áºÃ¤ÔâÍ¾Í´ áÅÐ¾ÅÑº¾ÅÖ§·ÐàÅ
Limestone,dolomitic limestone,gray to dark gray,medium-to thick-bedded,recrystallized to marble in fault zone,with brachiopod
and crinoid stems.
Trch
ËÁÇ´ËÔ¹äªÂºØÃÕ
Chaiburi Formation
ËÁÇ´ËÔ¹ªÑÂºØÃÕ
ËÔ¹»Ù¹ ÊÕà·Ò à·ÒÍèÍ¹ ªÑé¹Ë¹Ò¶Ö§äÁèáÊ´§ªÑé¹ áÊ´§ªÑé¹ËÔ¹ªÑ´à¨¹ à¹×éÍËÔ¹µ¡¼ÅÖ¡ ¾º«Ò¡´Ö¡´ÓºÃÃ¾ìâ¤â¹´Í¹ÍÒÂØä·ÃáÍÊ«Ô¡
Limestone,gray to light gray,thick-bedded to massive,well-bedded,recrystallized texture,with Triassic conodont assemblage.
µÐ¡Í¹àÈÉËÔ¹àªÔ§à¢Ò : àÈÉËÔ¹ ¡ÃÇ´ ·ÃÒÂ ·ÃÒÂá»é§ ´Ô¹àË¹ÕÂÇ ¢¹Ò´µÐ¡Í¹ÅÐàÍÕÂ´¶Ö§ËÂÒºÁÒ¡ ¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ
Collvial deposit : rock fragment;gravel,sand sily,and clay,fine-very coarse grain,poorly sorted.
Early Carboniferous
ËÔ¹·ÃÒÂà¹×éÍ¤ÇÍµ«ì ÊÕ¹éÓµÒÅàËÅ×Í§ÍèÍ¹¶Ö§ÊÕà·Ò ¢¹Ò´àÁç´µÐ¡Í¹ËÂÒº»Ò¹¡ÅÒ§¶Ö§ËÂÒº ¡ÒÃ¤Ñ´¢¹Ò´¤èÍ¹ ¢éÒ§´Õ¶Ö§´Õ ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹´ÕÁÒ¡ ªÑé¹ËÔ¹
Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹ÒÁÒ¡ áÊ´§ªÑé¹à©ÕÂ§ÃÐ´Ñº áÅÐÅÑ¡É³Ðà»ç¹ªÑé¹ºÒ§;ËÔ¹·ÃÒÂà¹×éÍÍÒÃìâ¤Ê ÊÕ¹éÓµÒÅá´§ áÅÐà·ÒÍèÍ¹ ¢¹Ò´àÁç´µÐ¡Í¹ÅÐàÍÕÂ´¶Ö§
ËÂÒº»Ò¹¡ÅÒ§ ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹´Õ ªÑé¹ËÔ¹Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹Ò áÊ´§ªÑé¹à©ÕÂ§ÃÐ´Ñº;ËÔ¹´Ô¹´Ò¹ áÅÐËÔ¹â¤Å¹ ÊÕà·Òà¢ÕÂÇ¶Ö§à·Òà¢éÁ ªÑé¹Ë¹Ò»Ò¹¡ÅÒ§
¶Ö§ºÒ§ ¾º«Ò¡ãºäÁé áÅÐàÈÉµé¹äÁéã¹à¹×éÍËÔ¹;ËÔ¹àªÔÃìµ ÊÕ¹éÓµÒÅÍèÍ¹¶Ö§à·Ò áÊ´§ªÑé¹´Õ áÅÐ¤´â¤é§
Sandstone,quartzitic,pale yellowish brown and light gray,medium-to coarse-grained,moderate to well-sorted,very well cemented,
medium-to very thick-bedded,cross-lamination and lamination;sandstone,arkosic,reddish brown and light gray,fine-to medium-
grained,well cemented,medium-to thick-bedded,cross-lamination;shale and mudstorne,greenish gray to dark gray,thin-to medium-
bedded,leaf and wood fragments are common;chert,pale brown to gray,well bedded (ribbon),recumbent folded.
JKlt
ËÔ¹·ÃÒÂà¹×éÍÍÒÃìâ¤Ê ËÔ¹·ÃÒÂà¹×éÍÅÔ·Ô¡ ËÔ¹â¤Å¹ áÅÐËÔ¹·ÃÒÂá»é§ ÊÕ¹éÓµÒÅá´§ ªÑé¹Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹Ò áÊ´§ªÑé¹à©ÕÂ§ÃÐ´Ñº ÃÍÂÃÔéÇ¤Å×è¹ ¡ÒÃ¤Ñ´¢¹Ò´
»Ò¹¡ÅÒ§¶Ö§´Õ àÁç´áÃèÁÕ¡ÒÃàª×èÍÁ»ÃÐÊÒ¹»Ò¹¡ÅÒ§ ËÔ¹¡ÃÇ´Á¹ ÊÕ¹éÓµÒÅà·Ò¶Ö§¹éÓµÒÅá´§ ªÑé¹ËÔ¹Ë¹Ò»Ò¹¡ÅÒ§¶Ö§Ë¹Òà¹×éÍËÔ¹áÊ´§¡ÒÃ¤Ñ´¢¹Ò´äÁè´Õ
àÁç´¡ÃÇ´»ÃÐ¡Íº´éÇÂáÃè¤ÇÍµ«ì ËÔ¹·ÃÒÂ áÅÐËÔ¹¤ÇÍÃµä«µì¢¹Ò´àÊé¹¼èÒÈÙ¹Âì¡ÅÒ§ 0.2-0.5 à«¹µÔàÁµÃ
Arkosic and lithic sandstone,mudstone,siltstone,reddish brown,medium-to thick-bedde,cross-bedding,ripple mark,moderately-to
well-sorted,moderately cemented : conglomerate,grayish brown to brown,medium-to thick-bedded,poorly sorted,with pebbles
of quartz,sandstone and quartzite (2-5 cm in diameter).
ËÔ¹äºâÍä·µì ÁÑÊâ¤äÇµì á¡Ã¹Ôµ à¹×éÍ»Ò¹¡ÅÒ§ à¹×éÍ´Í¡ºéÒ§ áÃè´Í¡¢Í§â»áµÊà«ÕÂÁà¿Å´ìÊ»ÒÃì ¢¹Ò´ 2 x 1 «Á.
Biotite muscovite granite,medium-grained,porphyritic,K-feldspar phenocrysts 2 x 1 cm.