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伊朗中部原特提斯残余的评价及构造环境:据地球化学研究(英文) 被引量:1
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作者 Monireh POSHTKOOHI 《地球学报》 EI CAS CSCD 北大核心 2012年第S1期55-57,共3页
The Iranian plateau comprises several continental blocks,which are clearly bounded by major faults.The sedimentary,stratigraphic,magmatic and metamorphic features of these blocks vary from one to the other.The contine... The Iranian plateau comprises several continental blocks,which are clearly bounded by major faults.The sedimentary,stratigraphic,magmatic and metamorphic features of these blocks vary from one to the other.The continental crust of subject area in Central Iran was investigated in the past by several authors.It was concluded that this zone was metamorphosed,intruded by granites and faulted during late Precambrian Pan-African Orogeny(Ramezani and Tucker,2003). 展开更多
关键词 GNEISSES ultra-mafic ROCKS Central Iran saghand Posht-e-Badam
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伊朗SAGHAND矿主立井6个马头门施工
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作者 刘英杰 杨天富 《煤炭工程》 北大核心 2003年第6期4-6,共3页
伊朗SAGHAND矿主立井设计 6个水平连接处 ,马头门施工是本工程的重点和难点 ,每个马头门所处地质条件各不相同 ,其中 3个岩层非常破碎 ,安全威胁大 ,施工中采取了特殊的施工措施 ,保证了施工安全和工程质量 ,取得了良好的效果。
关键词 伊朗 立井 马头门 saghand 岩层破碎 施工措施
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