There is a sludge-rock stone shot Brown to black. Caught fire. Caused by an accumulation of a large amount in a basin flooding still exists at any time, and there is a small quantity of gas sachen.
Taken is sedimentary rock with brown to black combustible caused by the accumulation of a large amount of litter in lowland flooding there the whole time and with the least amount of gas is oxygen. Humus accumulation in these areas will be changed to bacteria and fungi, Intra object.
Taking rock, sedimentary rock with brown to black light, caused by the accumulation of litter on ิมา as much in the group with flooding still all the time and concentration of oxygen, Jane.