1.From the viewpoint of structural analysis,this paper point out that the essen-tial structurall set-up in Chaohu coalfield is that of recumbent fold and napping is developedalong the overturned limb and lower part of the structure.
2.The seam structure of Ivogo Area of Songwe-Kiwira Coalfield in Tanzania consists of three mineable,low-rank bituminous coal seams (namely, No. 3b, No.5 and No. 6) with different maceral compositions.