PEMERIAN BATUBARA
|
||
|
|
|
|
|
|
WARNA
|
||
Bk
|
Black
|
Hitam
|
Br bk
|
Brownish Black
|
Hitam Kecoklatan
|
Bk br
|
Brackish Brown
|
Coklat kehitaman
|
Br
|
Brown
|
Coklat
|
D
|
Dark
|
Gelap
|
L
|
Light
|
Cerah
|
M
|
Mottled
|
Bintik-bintik
|
|
|
|
KILAP
|
||
B
|
Bright
|
Cemerlang
|
D
|
Dull
|
Kusam
|
Coal B
|
Coal>90% bright
|
Batubara cemerlang
|
Coal Bd
|
Coal 60-90% bright
|
Batubara agak cemerlang
|
Coal BD
|
Coal 40-60& bright
|
Perselingan cemerlang-kusam
|
Coal Db
|
Coal 10-40% bright
|
Batubara agak kusam
|
Coal D
|
Coal 1-10% bright
|
Batubara kusam
|
|
|
|
GORES
|
||
Bk
|
Black
|
Hitam
|
Br bk
|
Brownish black
|
Hitam kecoklatan
|
Bk br
|
Blackish brown
|
Coklat kehitaman
|
Br
|
Brown
|
Coklat
|
|
|
|
KEKERASAN
|
||
Very Soft
|
Sample dapat dipecahkan oleh tangan tanpa
kesulitan, mudah terurai oleh air atau angin
|
|
Soft
|
Sample dapat dipotong dengan pisau
|
|
Moderately soft
|
Sample tergores oleh pisau, sulit dipecahkan dgn tangan
|
|
Moderately hard
|
Sample tidak dapat digores oleh pisau
|
|
Hard
|
Sample pecah oleh satu kali pukulan palu
|
|
Very hard
|
Sample pecah oleh beberapa kali pukulan palu,
sample sangat sulit dipisahkan, tidak terurai oleh air dan angin
|
|
|
|
|
KETAHANAN TERHADAP
PUKULAN
|
||
Moderately weak
|
Contoh batuan dapat ditekuk dengan tangan/palu
|
|
Moderately strong
|
Contoh batuan dapat ditekuk sekitar 5 mm oleh
pukulan palu
|
|
Strong
|
Satu pukulan palu cukup untuk memecahkan sample
|
|
Very strong
|
Contoh batuan pecah oleh beberapa kali pukulan
palu
|
|
Friable
|
Dapat diremukan dengan genggaman tangan
|
|
Brittle
|
Contoh batuan bergaris tengah 5 cm dapat
dipatahkan dengan tangan tetapi tidak dapat diremukan oleh genggaman tangan
|
|
Tough
|
Contoh batuan bergaris tengah 5 cm tidak dapat
dipatahkan dengan tangan
|
|
|
|
|
PECAHAN
|
||
Une
|
Uneven
|
Tidak beraturan
|
E
|
Even
|
Beraturan
|
Cub
|
Cubical
|
Kubus
|
Sht
|
Sheet
|
Lembaran
|
|
|
|
PEMILAHAN (SORTING)
|
||
V.p.Srtd
|
Very poorly sorted
|
|
psrtd
|
Poorly sorted
|
|
msrtd
|
Moderately sorted
|
|
wsrtd
|
Well sorted
|
|
vwsrtd
|
Very well sorted
|
|
|
|
|
CLEAT
|
||
Att
|
Attitude
|
Kedudukan bidang cleat
|
Spc
|
Spacing cleat
|
Kisaran jarak antar cleat
|
>>
|
Dominan
|
Jarak dominan
|
End cleat
|
|
|
Face Cleat
|
|
|
|
|
|
TEBAL
|
||
Gct
|
Gross coal thickness
|
Tebal batubara termasuk parting
|
Nct
|
Net coal thicknees
|
Tebal batubara bersih
|
|
||
PENGOTOR
|
||
Res
|
Resin
|
Resin/amber/damar
|
Pyrt
|
Pyrite
|
Pirit
|
Ss-Clst
|
Sandstone/claystone
|
Batupasir/Batulempung
|
Qrtz
|
Quartz
|
Kuarsa
|
Pel
|
Pelledtoidal
|
Pellet/butir/pil
|
|
|
|
UKURAN BUTIR
|
||
Bld
|
Boulder
|
|
Cbl
|
Couble
|
|
Pbl
|
Pebble
|
|
Gran
|
Granule
|
|
Vcg
|
Very coarse grained
|
|
Cg
|
Coarse grained
|
|
Mg
|
Medium grained
|
|
Fg
|
Fine grained
|
|
Vfg
|
Very fine grained
|
|
Combination
|
Kombinasi
|
|
Vfg to mg
|
Very fine grained to medium grained
|
|
|
|
|
UKURAN BESAR BUTIR
MENURUT WENWORTH
|
||
Pebble
|
> 4mm
|
|
Granule
|
2-4 mm
|
|
Pasir sangat kasar
|
1-2mm
|
|
Pasir kasar
|
0,5-1 mm
|
|
Pasir menengah
|
0,25-0,5 mm
|
|
Pasir halus
|
0,125-0,25mm
|
|
Pasir sangat halus
|
0,0625-0,125 mm
|
|
Lanau
|
0,039-0,0625 mm
|
|
Lempung
|
< 0,039 mm
|
|
|
|
|
STRUKTUR SEDIMEN
|
||
Bioturbatted
|
|
|
Burrows
|
|
|
Coarse up wards
|
|
|
Compation structures
|
|
|
C in C
|
Cone in cone structures
|
|
X – bed
|
Crossbedding
|
|
Fining upward
|
|
|
Flaser bedding
|
|
|
Flute cast
|
|
|
Grad bedding
|
|
|
Irreg. Bed
|
Irregular bedding
|
|
Load cast
|
|
|
Lent bed
|
Lenthicular bedding
|
|
Mass bedding
|
Massive bedding
|
|
Micro faulting
|
|
|
Tidal flat bedding
|
|
|
Symmetrical ripple marks
|
|
|
|
|
|
KLASIFIKASI
KEDUDUKAN
|
||
Kontak
|
|
|
Erosi
|
|
|
Tegas
|
|
|
Beransur
|
|
|
Intrusi
|
|
|
|
|
|
KEDUDUKAN
|
||
Flat
|
Rata/hampir rata
|
0-2 %
|
Slope
|
Landai
|
3-7 %
|
Aslant
|
Miring
|
8-13 %
|
Middle steep
|
Curam menengah
|
14-20 %
|
Steep
|
Curam
|
24-55 %
|
Abrupt
|
Sangat curam
|
55-140 %
|
Very abrupt
|
Amat sangat curam
|
> 140 %
|
|
|
|
BATUBARAAN
|
||
Coaly Clyst
|
Coaly Claystone
|
Batulempung batubaraan
|
Coaly Mdst
|
Coaly Mudstone
|
Batulumpur batubaraan
|
Coaly Shst
|
Coaly Shalestone
|
Batuserpih batubaraan
|
Coaly Stst
|
Coaly Siltstone
|
Batulanau batubaraan
|
Coaly Ss
|
Coaly Sandstone
|
Batupasir batubaraan
|
|
|
|
KARBONAN
|
||
Carb Clyst
|
Carbonaceous Claystones
|
Batulempung karbonan
|
Carb Mdst
|
Carbonaceous Mudstone
|
Batulumpur karbonan
|
Carb Sh
|
Carbonaceous Shale
|
Batuserpih karbonan
|
Carb Slstq
|
Carbonaceous Siltstone
|
Batulanau karbonan
|
Carb Ss
|
Carbonaceous Sandstone
|
Batupasir karbonan
|
|
|
|
LITOLOGI BATUAN
|
||
Coal
|
Coal
|
Batubara
|
Gani
|
Ganister
|
Ganister
|
Resn
|
Resin
|
Damar/getah
|
Sico
|
Silica Coal
|
Batubara mengandung Silica
|
Seat
|
Seat earth
|
Batuan mengandung akar tumbuhan (tempat
tumbuh-tumbuhan)
|
Tons
|
Tonstein
|
Sisipan batulempung pada batubara
|
Alvm
|
Alluvium
|
|
Clyst
|
Claystone
|
|
Ssst
|
Sandstone
|
|
Slst
|
Siltsone
|
|
Tuff
|
Tuff
|
|
Brec
|
Breccias
|
|
Cblcgl
|
Cobble conglomerate
|
|
Cgl
|
Conglomerate
|
|
Igns
|
Igneous rock
|
|
Igt
|
Ignimbrite
|
|
Lmst
|
Limestone
|
|
Mdst
|
Mudstone
|
|
Nocr
|
Non coring
|
Tanpa inti bor
|
Core loss
|
Core loss
|
|
Flt breccias
|
Falut breccias
|
|
Gran cong
|
Granule conglomerate
|
|
Gravel
|
|
|
Laterite
|
|
|
Marl
|
|
|
Sh
|
Shale
|
|
Silt
|
|
|
Soil
|
|
|
|
|
|
|
|
|
MINERAL
|
||
Ccqz
|
Crystal Quartz
|
|
Chrt
|
Chert
|
|
Clct
|
Kalsit
|
|
Calc
|
Calcite
|
|
Carb
|
Carbonate
|
|
Chl
|
Chlorite
|
|
Py
|
Pyrite
|
|
Flsr
|
Feldspar
|
|
Gani
|
Ganister
|
|
Glau
|
Glaouconite
|
|
Gyps
|
Gypsum
|
|
Mic
|
Mica
|
Mika
|
Pyrt
|
Pyrite
|
Pirit
|
Qrtz
|
Quartz
|
Kuarsa
|
Matrix
|
Matrix
|
|
Olig
|
Oligomict
|
|
Pel
|
Peletoidal
|
|
Polymict
|
Polymict
|
|
Qtz.fels
|
Quarts felspartic
|
|
Qtz. Lith
|
Quarts lithic
|
|
Qtz. Os
|
Quartzose
|
|
Chl
|
Chlorite
|
|
|
|
|
STRUKTUR SEDIMEN
YANG BERASOSIASI DENGAN BATUBARA
|
||
Nod
|
Nodule
|
|
Gran
|
Granular
|
|
Lat
|
Lateritic
|
|
Lith
|
Lithic
|
|
Lens
|
Lenses
|
|
Mat
|
Matrix
|
|
Mar
|
Marly
|
|
Bands
|
Bands
|
|
Calc
|
Calcareous
|
|
Carb
|
Carbonaceous
|
|
Cmt
|
Cement
|
|
Clay band
|
Clay band
|
|
Coal bands
|
Coal bands
|
|
Coal Spars
|
Coal spars
|
|
Coal Streaks
|
Coal streaks
|
|
Coaly
|
Coaly
|
|
Fe
|
Ferruginous
|
|
Mic
|
Micacues
|
|
Muddy
|
Muddy
|
|
Olig
|
Oligomict
|
|
Pebbly
|
Pebbly
|
|
Pel
|
Pelletoidal
|
|
Polimict
|
Polimict
|
|
Qtz.fels
|
Quarts felspartic
|
|
Qtz. Lith
|
Quarts lithic
|
|
Qtz. Os
|
Quartzose
|
|
Resinous
|
Resinous
|
|
Rooted
|
Rooted
|
|
Sst.strks
|
Sandstone streaks
|
|
Sandy
|
Sandy
|
|
Sh.strks
|
Shale streaks
|
|
S
|
Slightly
|
|
Silty
|
Silty
|
|
Cleat veneer
|
|
|
Disseminated
|
|
|
Joint in fill
|
|
|
Laminar
|
|
|
Lenses
|
|
|
Staining
|
|
|
Veins
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
KONDISI INTI BOR
|
||
Solid core
|
Solid core
|
Inti bor padat
|
S.brkn core
|
Slightly broken core
|
Inti bor sedikit rapuh
|
Brkn core
|
Broken core
|
Inti bor rapuh
|
Frag.core
|
Fragmented core
|
Inti bor terbagi-bagi
|
|
|
|
DERAJAT KELIMPAHAN
|
||
Abnt
|
Abundant
|
Berlimpah
|
Com
|
Common
|
Biasa
|
Spse
|
Sparse
|
Jarang/tipis
|
Rare
|
Rare
|
Langka
|
|
|
|
ORIENTASI
|
||
VH ang
|
Veryhigh angle (>45)
|
|
H. ang
|
High angle (30-45)
|
|
M. ang
|
Moderate angle (20-30)
|
|
L. ang
|
Low angle (10-20)
|
|
Vl.ang
|
Very low angle (0-10)
|
|
|
|
|
BIDANG
|
||
Bed plane
|
Bedding plane fracture
|
|
Cleats
|
Cleats
|
|
Frac
|
Fractures
|
|
Joints
|
Joints
|
|
Faults
|
Faults
|
|
|
|
|
KEBUNDARAAN (ROUNDNESS)
|
||
V ang
|
Very angular
|
|
Ang
|
Angular
|
|
Sub. Ang
|
Sub Angular
|
|
Sub. Rnd
|
Sub rounded
|
|
Rnd
|
Rounded
|
|
|
|
|
DERAJAT PELAPUKAN
|
||
Fr
|
Fresh
|
Segar
|
Sw
|
Slightly weathered
|
Warna segar & tekstur sebagian
berubah/ternodai
|
MW
|
Moderately weathered
|
Ternodai diseluruh batuan
|
|
|
|
PELAPUKAN
|
||
Segar
|
Batuan tidak menunjukan adanya pelapukan,
perubahan warna pada permukaan rekahan sedikit sekali
|
|
Agak lapuk
|
Terjadi perubahan warna yang menunjukan
pelapukan, warna segar dan tekstur masih tampak tapi belum diperlunak secara
nyata
|
|
Lapuk sedang
|
Warna asli sudah tidak dapat dikenali dan batuan
tampak lunak
|
|
Lapuk
|
Beberapa material batuan terkomposisi dan atau
terdisentegrasi menjadi tanah.batuan yang berubah warna atau lunak terdapat
sebagai inti batu dalam tanah
|
|
Sangat lapuk
|
Seluruh material menjadi tanah, tapi tekstur asli
masih tampak
|
|
|
||
PERLAPISAN
|
||
V.thk bed
|
Very thickly bedded >1m
|
|
Thk bed
|
thickly bedded 30-100cm
|
|
Med. Bed
|
Medium bedded 10-30cm
|
|
Thin bed
|
Thinly bedded 3-10cm
|
|
V. thin bed
|
Very thinly bedded 1-3cm
|
|
Lam
|
Laminated 3mm-10mm
|
|
Thin lam
|
Thinly laminated <3mm
|
|
|
|
|
TANAH PENUTUP
|
||
Very shallow
|
Tidak ada/sangat tipis
|
0-10cm
|
Shallow
|
Tipis
|
11-25cm
|
Moderately shallow
|
Tipis sedang
|
26-50cm
|
Moderately deep
|
Dalam sedang
|
51-75cm
|
Deep
|
Dalam
|
76-100cm
|
Very deep
|
Sangat dalam
|
101-150cm
|
Exceptionally deep
|
Luar biasa dalam
|
>150cm
|
|
|
|
Pages
▼