c22fc316_TIFIKASI_BATUAN___Learn_Mining__Grain_Size
[Hardness] hard or soft [Composition] mixed sediment with rock grains and clay [Other] gray or dark and "dirty" [Rock Type] Wacke/ Graywacke [Grain Size] 
mixed
c o a r s e
m i x e d
f i n e
c o a r s e o r f i n e
TABEL IDENTIFIKASI BATUAN - Learn Mining
Grain Size