The shape of Datangpo primary manganese deposit and its ore structure are comparatively complex but the structure is simple which belongs to the sedimentary of littoral basin facies.
大塘坡原生锰矿矿体形态和矿石结构较复杂，构造简单，属滨海盆地相沉积。
2
East complex terrain, a steep slope, numerous islands, is the fold of the seabed Proterozoic sedimentary rocks and too ancient crystalline rock.
东部地形复杂，坡度较陡，岛屿众多，海底是褶皱的元古代沉积岩和太古代结晶岩。
3
With the above models, the oil and gas evolution history in a sedimentary basin with complex lithology can be modeled.