| 四川的梅树村阶磷矿 |
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| 引用本文： | 郭强,武敏建,李斌斌.四川的梅树村阶磷矿[J].化工矿产地质,2012,34(4):193-200. |
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| 作者姓名： | 郭强 武敏建 李斌斌 |
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| 作者单位： | 四川省化工地质勘查院,四川彭州,611930 |
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| 摘 要： | 上扬子地区早寒武世4个小壳化石组合带建立的梅树村阶方案在2002年出版的《中国区域年代地层(地质年代)表说明书》中已正式采用(全国地层委员会,2002)。四川早震旦世陡山沱期磷矿层分布十分有限,而寒武纪梅树村期大规模磷酸盐沉积成矿作用形成有昆阳式、汉源式、清平式和宁强式等矿床类型,其中,汉源式磷矿为梅树村晚期形成。
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| 关 键 词： | 岩石地层 梅树村阶 磷矿 四川 |
SICHUAN PHOSPHORITE DEPOSITS IN THE TIME OF MEISHUCUNIAN AGE |
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| Guo Qiang
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Wu Minjian
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Li binbin.SICHUAN PHOSPHORITE DEPOSITS IN THE TIME OF MEISHUCUNIAN AGE[J].Geology of Chemical Minerals,2012,34(4):193-200. |
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| Authors: | Guo Qiang Wu Minjian Li binbin |
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| Institution: | Guo Qiang Wu Minjian Li binbin Sichuan Geological Prospecting Insitute for Chemical Minerals,Pengzhou,Sichuan,611930,China |
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| Abstract: | Meishucunian Stage of Lower Cambrian was divided 4 biostrategraphy units by small shelly fossils in Yangtze region and China(National Commission on Stratigraphy of China,2002).Sichuan phosphorite depositis little in the time of Doushantuoan Age of Early Sinian Epoch,but there were formed Kunyang-ty pe,Hanyuan-type,Qingping-type and Ningqiang-type deposits by large scale mineralization in Meishucunian Age of Early Cambrian Epoch,especially the Hanyuan-type deposit was formed in Late Meishucunian Subage. |
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| Keywords: | lithostratigraphic units Meishucunian phosphorite deposit Sichuan |
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