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Dengta marine built gypsum deposits occurred in Mantou Jianchang Formations, Lower Cambrian.燈塔海積石膏礦床賦存于下寒武統(tǒng)饅頭組—堿廠組中.The Pre - cambrian alumino - siliceous slate is the host rock of antimony deposit inHunan.湖南前寒武系的 硅鋁 質(zhì)板巖...
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n.前寒武紀(jì)，前寒武層...
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Cambrian的音標(biāo)：Cambrian的英式發(fā)音音標(biāo)為：['k?mbri?n]Cambrian的美式發(fā)音音標(biāo)為：['k?mbri?n]...
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始寒武紀(jì)...
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Precambrian的音標(biāo)：Precambrian的英式發(fā)音音標(biāo)為：['pri:'k?mbri?n]Precambrian的美式發(fā)音音標(biāo)為：[pri'k?mbri?n]...
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Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻巖, 變質(zhì)巖, 可以發(fā)現(xiàn),在常見的前寒武紀(jì)地區(qū).Precambrian time for as much as eighty - five percent of all geological time.從前寒 武 世紀(jì)以來地球地面大部分被冰川所覆蓋的任何地質(zhì)年代.Late Precambria...
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adj.寒武紀(jì)的n.寒武紀(jì)人，威爾士人，寒武紀(jì)層...
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Eocambrian的音標(biāo)：...
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Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.在前寒武紀(jì)的最后1億年中，兩個(gè)主要的冰川時(shí)期對(duì)兩個(gè)地區(qū)都產(chǎn)生了影響。Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.片麻巖, 變質(zhì)巖, 可以發(fā)現(xiàn),在...
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MEI Shi - long , 1991 . Middle and Late Cambrian conodont and trilobite biostratigraphy in Wanxian, Hebei . Unpublished Ph. D thesis of Peking University.武桂春, 2003. 魯西地區(qū)晚寒武世牙形石. 北京大學(xué)博士研究生學(xué)位論文.Cambrian stratigraphy well d...