我国层控碳酸盐岩铀矿床成矿的地质地球化学条件

姚振凯

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我国层控碳酸盐岩铀矿床成矿的地质地球化学条件

姚振凯

文章导航 > 沉积学报 > 1984 > 2(1): 65-75

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

引用本文:

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.

Citation:

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

引用本文:

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.

Citation:

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.

我国层控碳酸盐岩铀矿床成矿的地质地球化学条件

姚振凯

湖南长沙230研究所

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GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA

Yao Zhenkai

Institute of Uranium Geology of Hunan Province

摘要

摘要: 近二十年来，在我国地洼区内元古代和古生代的地槽、地台构造层中，相继发现了一批层控型碳酸盐铀矿床，矿体集中，品位富，埋藏较浅，是我国特有的重要工业铀矿床类型之一。本文试图在前人工作的基础上，结合笔者对一些碳酸盐岩铀矿床的观察和研究，探索该类型铀矿床成矿的地质地球化学条件。

Abstract: A lot of strata-bound carbonate uranium deposits occurred in the Proterozoic Era and Paleozoic Era.Their ore bodies are concentrative, shallow-buried and of the high tenor，so they are the spceial and important economic deposits in China.According to our investigations,the genetic geological-geochemical conditions may be summarized as follows;(1)In the carbonate formations, uranium abundance is higher within the ho-rizons which contain clay, carbonaeous materials and pyrite as absorbents or reduc-tors. They provided the material source and favourable reservoir for the uranium mineralization. (2)Tectonic-magma activities developed intensively from Indo-China to Yan-shan period in the”Diwa"regions where faults mobilized repeatedly and created fa-vourable spatial conditions for uranium activation and mineralization.(3)The mineralization underwent a long.multistage and polygenetic.Generally speaking, the more stages the mineralization underwent，the more distinctly the uranium evolution separated, and the more favourable for mineralization.The reg-ions where underwent the three main evolutional stages, i.e. geosyneline-plate-form一"Diwa" were favourable for mineralization.(4)The areas of fossil hydrothermal development, the terrestrial heat ano-maly and the section containing fossil karst are the places for the medium activa-tion of mineralization.Under certain geological structure and dry paleoclimatic condi-tions, uranium concentration in mineralization solution increased continuously and superimposed on the carbonate section where uranium was initially enriched, and this is often the place where uranium deposits occurred.

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参考文献(1)

[1]

1.陈国达，1978，成矿构造研究法。地质出版社。

2.孟祥化，1979,沉积建造及其共生矿床分析。地质出版社。

3.姚振凯，1980.某层控碳酸盐岩铀矿味地质特征及成矿模式设想。湖南地质学会矿床会议论文集:

4.谭友滋，1982.华南上古生界若干碳酸盐岩型铀矿末成矿特点及分布规律的初步认识故射性地质，第二期

5.姚振凯.1982中国地注区层控油矿床地质和分布规律。矿床地质，第一卷第一期

6.Чaтыщев.В.И.Сорвaч. Н. С.,1977. Ритмдч, кaрбонaтжх отдоженнй.Нaуяa

Дaячев .В. И..1979. Зкзоrеннмс местрождения урaнa.Aтомиaaaг

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我国层控碳酸盐岩铀矿床成矿的地质地球化学条件

姚振凯

湖南长沙230研究所

收稿日期: 1982-05-25
刊出日期: 1984-03-10

摘要: 近二十年来，在我国地洼区内元古代和古生代的地槽、地台构造层中，相继发现了一批层控型碳酸盐铀矿床，矿体集中，品位富，埋藏较浅，是我国特有的重要工业铀矿床类型之一。本文试图在前人工作的基础上，结合笔者对一些碳酸盐岩铀矿床的观察和研究，探索该类型铀矿床成矿的地质地球化学条件。

English Abstract

GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA

Yao Zhenkai

Institute of Uranium Geology of Hunan Province

Received Date: 1982-05-25
Publish Date: 1984-03-10

Abstract: A lot of strata-bound carbonate uranium deposits occurred in the Proterozoic Era and Paleozoic Era.Their ore bodies are concentrative, shallow-buried and of the high tenor，so they are the spceial and important economic deposits in China.According to our investigations,the genetic geological-geochemical conditions may be summarized as follows;(1)In the carbonate formations, uranium abundance is higher within the ho-rizons which contain clay, carbonaeous materials and pyrite as absorbents or reduc-tors. They provided the material source and favourable reservoir for the uranium mineralization. (2)Tectonic-magma activities developed intensively from Indo-China to Yan-shan period in the”Diwa"regions where faults mobilized repeatedly and created fa-vourable spatial conditions for uranium activation and mineralization.(3)The mineralization underwent a long.multistage and polygenetic.Generally speaking, the more stages the mineralization underwent，the more distinctly the uranium evolution separated, and the more favourable for mineralization.The reg-ions where underwent the three main evolutional stages, i.e. geosyneline-plate-form一"Diwa" were favourable for mineralization.(4)The areas of fossil hydrothermal development, the terrestrial heat ano-maly and the section containing fossil karst are the places for the medium activa-tion of mineralization.Under certain geological structure and dry paleoclimatic condi-tions, uranium concentration in mineralization solution increased continuously and superimposed on the carbonate section where uranium was initially enriched, and this is often the place where uranium deposits occurred.

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

引用本文:

姚振凯. 我国层控碳酸盐岩铀矿床成矿的地质地球化学条件[J]. 沉积学报, 1984, 2(1): 65-75.

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.

Citation:

Yao Zhenkai. GEOLOGICAL-GEOCHEMICAL CONDITION OF MINERALI-ZATION OF STRATA-BOUND CARBONATE URANIUM DEPOSITS IN CHINA[J]. Acta Sedimentologica Sinica, 1984, 2(1): 65-75.