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1)  Majiagou limestone of Ordovician
奥陶系马家沟灰岩
2)  Ordovician Majiagou Formation
奥陶系马家沟组
3)  Majiagou formation of Lower Ordovician series
奥陶系下统马家沟组
4)  Majiagou limestone
马家沟灰岩
5)  Ordovician limestone
奥陶系灰岩
1.
Based on the geophysical prospecting material on the 11105W working surface and the neighbor drill hole in xiezhuang coal field of shandong province,the appraisal and forecast has been carried on the developing degree of karsts in Ordovician limestone and its water-bearing degree under this working surface floor.
依据山东省协庄井田11105W工作面的物探资料和附近的钻孔资料,对该工作面奥陶系灰岩岩溶发育程度、富水性进行了评价及预测,最后对11105W工作面底板奥陶系灰岩突水的可能性进行了分析和评价。
2.
The assessment and division of ground water environment quality of Ordovician limestone in Lishi-Liulin mining areas are made in this paper.
本文对离柳矿区奥陶系灰岩岩溶地下水的环境质量进行了评价和分区,结合地质条件简述了各区的特点;还用地质-水文地质学相结合的理论,对各环境质量区形成的原因,进行了分析和研究,进而从理论上证明环境质量分区和选用标准的合理性。
3.
In order to guarantee the safety of digging roadway engineering in water-bearing Ordovician limestone below the earth surface 1 000 m in Panxi Coal Mine, on the base of the un-homogeneous characteristics of Ordovician limestone bearing water the method of geophysics exportation combing with drilling ensure the safety while roadway was excavated in water-bearing Ordovician limestone.
为了保证潘西井田深达1 000 m的巷道工程穿越奥陶系灰岩含水层的安全,基于奥陶系灰岩赋水性极不均一的特性,利用物探技术与钻探工程相结合的方法,确保了巷道穿越奥陶系灰岩的安全。
6)  O limestone
奥陶纪灰岩
1.
Water outburst of O limestone in Xinwen mine area and its prevention measures;
新汶矿区奥陶纪灰岩水害及其防治对策
补充资料:灰陶
灰陶  陶器中呈灰色或灰黑色的一般都称为“灰陶”。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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