| 贺兰山北段葫鲁斯太煤矿区山西组中、下部沉积相与沉积模式 |
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| NOTE ON SEDIMENTARY FACIES AND SEDIMENTARY MODELS OF THE MIDDLE AND LOWER SHANXI FORMATION IN HULUSTAI MINE DISTRICT OF THE NORTH HELANSHAN COAL FIELD |
| The Hulustai mine district is situated in the north of the Qilian-Luliang-Helan ∈ type tectonic system. The section investigated consists mainly ofclastic rocks with relatively simple mineral composition and well sortedand rounded grains. There occur Coal Seam Ⅲ and Ⅱ with average thickness of 10 m and 3 m respectively. |
| ZHONG Rong,CHEN Zhong-hui,FU Ze-ming,YANG Nian-hou.1981.NOTE ON SEDIMENTARY FACIES AND SEDIMENTARY MODELS OF THE MIDDLE AND LOWER SHANXI FORMATION IN HULUSTAI MINE DISTRICT OF THE NORTH HELANSHAN COAL FIELD[J].Acta Geoscientica Sinica,3(1):31-45. |
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