徐庄煤矿深部煤层的开采一直经受着太原组灰岩水的威胁。
Xuzhuang coal mine often encountered the hazard of water from Taiyuan Formation, as it mines the deep buried coal seams.
鄂尔多斯盆地东部地区太原组广泛发育的气源岩为生物灰岩、暗色泥岩和煤。
Biologic limestone, black mudstone and coal in Taiyuan group of lower Permian in east part of Ordos basin.
白坪井田太原组上段主要由三层灰岩（L7、L8、L9）、泥岩和薄煤层组成，L7灰岩位于该段底部，是一7煤层顶板。
The upper member of Taiyuan Formation in Baiping minefield is composed of three limestone layers(L7, L8 and L9), mudstone and thin coal seams.
太原组地层发育了碎屑岩型、灰岩型和互层型三种组合。
The Taiyuan Formation develops three types of strata assemblages, including clastic rock type, limestone type and interbed of clastic rock and limestone type.
太原组地层发育了碎屑岩型、灰岩型和互层型三种组合。
The Taiyuan Formation develops three types of strata assemblages, including clastic rock type, limestone type and interbed of clastic rock and limestone type.
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