老挝桑怒地区中新世含煤盆地沉积相与古地理特征
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陈磊
1
, 齐永安
1
, 杨文涛
1
, 王海泉
2
Sedimentary facies and palaeogeographic characteristics of the Miocene coal-bearing basin in Xam Nua area, Laos
Chen Lei
1
, Qi Yong’an
1
, Yang Wentao
1
, Wang Haiquan
2
老挝桑怒地区新近系中新统砂岩厚度百分比(%)等值线图