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STRATIGRAPHIC SEQUENCE AND LITHOLOGICAL COLUMN OF TANJUNG ENIM COALFIELD (Not to Scale)



Geological Time



Division of Seam Name of Seam Coal



Formation



KAF



FORMATION



M4



(MP. B )



MEMBER B



ENIM KEBON



( MP. A )



MEMBER A



FORMATION



KASAI MUARA ENIM



JELAWATAN



BENUANG



M3 BURUNG



M2



MANGUS MANGUS SUBAN



MERAPI



BAF



FORMATION



PETAI



AIR BENAKAT



PALEMBANG GROUP



MIO - PLIOC MIOCENE



TERTIARY



PLIOCENE



NIRU



M1 KELADI



Thickness (m) Lithology



Discription Mean



.. ….o….o..o..o + + + o..oo…o..o…..o + + + v - v - v - v - v --v--



+++ ++ +++



Gravel, sand (local coverages)



-----------------------------



Hanging Seam



+++ +++ v-v-v-v-v-v+++ - - - - - - - +++ - - - - - - - +++ - - - - - - - +++ v-v-v-v-v-v -+ + +- -- -- -- -- -- -- -+++ +++ - - - - - - +++ A1 +++ +++ v-v-v-v+++ .v.v.v.v . +++ +++ A2 +++ + + + - .---. -- -. -- . +++ +++ - - - - - - - ----+++ B1 +++ + + + B- - - - - - - ----+++ +++ B2 +++ . . . . . . . . . +++ . . . . . . . . . . . .. . . +++ ++++ + . . . . . +++ - - - - - - - +++ - - - - - - - C1 +++ +++ C +++ +++ +++



-.-.-.-.



A1 Coal, small tuffaceous claystone



8,10



10,70 9.80 - 14.75



...... ......



Sandstone



o ..o..o..o



vvvvvvv vvvvvv



Bentonite



- ..-..-..-



Coal



Gravel



Siltstone



++++++++ +++++++



intercalations. Claystone, bentonic, sandstone - tuffaceous. A2 Coal, top silicified. Claystone, siltstone, sandstone intercalations.



15.00 - 23.00 8.0 - 14.45



17,00



2.0 - 5.0 3.0 - 5.8



Suban Marker. B1 Coal, small carbonaceous silty claystone intercalations. Claystone, siltystone layers. B2 Coal, lenses of carbonaceous claystone on the base.



25.00 - 44.00



Sandstone with siltstone layers. Andesite sill. Claystone



5.00-14.60



13,00



0.80 - 11.40 0.5-10.10



> 100



++



Claystone



5.0 - 13.25 0.50 - 4.00



C2



......... -.-.-.-.



Claystone, silicified layers, bentonite layers few siltstone layers.



> 120



Remark :



--------



Range



Andesite



C1 Coal, small carbonaceous clay / siltstone intercalations Claystone, siltstone. C2 Coal, small carbonaceous clay / siltstone intercalations Claystone, siltstone, sandstone.



SEKUEN STRATIGRAFI DAN KOLOM LITOLOGI DAERAH TANJUNG ENIM DAN SEKITARNYA (Tanpa Skala)



Umur Geologi



Divisi Nama Lapisan Lapisan Batubara Batubara



Formasi



KAF (MP. B )



MEMBER B



( MP. A )



BENUANG



M3 BURUNG



M2



MANGUS MANGUS SUBAN



MERAPI



BAF



FORMATION



Diskripsi Rerata



o..o….o….o..o..o ..o…o..o…..o



+++ + + + v - v - v - v - v --v-+++ -------++ +++ - - - - - - - -



Gravel, pasir, lanau, lempung dan lain-lain Lapisan Gantung



M1 KELADI



+++ - - - - - - - +++ v-v-v-v-v-v+++ - - - - - - - +++ -------+++ - - - - - - - +++ v-v-v-v-v-v +++ - - - - - - - + + +- - - - - - - -- +++ - - - - - - +++ A1 +++ +++ v-v-v-v+++ .v.v.v.v . +++ A2 +++ +++ + + + - . -- -. -- -. -- . +++ +++ - - - - - - - ----+++ B1 +++ B +++ - - - - - - - ----+++ +++ B2 +++ . . . . . . . . . +++ . . . . . . . . . . . .. . . +++ ++++ + . . . . . +++ - - - - - - - +++ - - - - - - - C1 +++ +++ C+++ +++ +++



.-.-.-.



8,10



5.0 - 13.25



Batubara A1, sisipan lapisan tipis batulanau tufaan.



0.50 - 4.00



Batulempung bentonitik, Batupasir tufaan.



10,70



9.80 - 14.75



8.0 - 14.45 17,00



Batubara



...... ......



Batupasir



o ..o..o..o



Gravel dll



vvvvvvv vvvvvv



Bentonit



- ..-..-..-



Batulanau



++++++++ +++++++



Lapisan Suban. Batubara B1, sisipan tipis batulempung lauauan kadang-kadang karbonan.



2.0 - 5.0



Batulempung dan batulanau..



3.0 - 5.8



Batubara B2, lensa batulempung karbonan pada bagian bawah.



25.00 - 44.00



Batupasir dengan batulanau. Intrusi batuan beku andesit bentuk sil. Batulempung



5.00-14.60 13,00



0.80 - 11.40 0.5-10.10



> 100



++



Batulepung



Batubara A2, pada bagian atas tersilikaaan. Batulempung, batulanau dan sisipan batupasir.



15.00 - 23.00



C2



......... -.-.-.-.



Btulempung, lapisan silikaaan, lapisan bentonitik, bentonitik, sisipan tipis lapisan batulanau.



> 120



Remark :



--------



Kisaran



--------



ENIM KEBON



MEMBER A



KASAI



FORMATION FORMATION



MUARA ENIM



JELAWATAN



M4



PETAI



AIR BENAKAT



PALEMBANG GROUP



MIO - PLIOC MIOCENE



TERTIARY



PLIOCENE



NIRU



Ketebalan (m) Litologi



Andesit



Batubara C / C1, sisipan tipis batulempung / batulanau karbonan Batulempung - batulanau Batubara C2, sisispsn tipis batulempung / batulanau karbonan. Batulempung, batulanau, batupasir.