SEQUENCE,CHRONOLOGY AND DEFORMATION OF THE PHOSPHORUS-BEARING STRATUM OF THE SUSONG PHOSPHORUS DEPOSIT IN SOUTHERN PART OF DABIE MOUNTAINS AND ITS STRUCTURAL EVALUATION

Geoscience ›› 2004, Vol. 18 ›› Issue (3): 321-330.

• Engineering Geology and Environmental Geology • Previous Articles Next Articles

SEQUENCE,CHRONOLOGY AND DEFORMATION OF THE PHOSPHORUS-BEARING STRATUM OF THE SUSONG PHOSPHORUS DEPOSIT IN SOUTHERN PART OF DABIE MOUNTAINS AND ITS STRUCTURAL EVALUATION

HOU Ming-jin^1,2,TANG Jia-fu³，GAO Tian-shan⁴

1.Hefei University of Technology,Hefei,Anhui 230009,China
2.Anhui Geological Survey,Hefei,Anhui 230001,China
3.Regional Geological Survey,Hefei,Anhui 230011,China
4.University of Sciences and Technology of China,Hefei,Anhui 230012,China

Received:2003-10-14 Revised:2004-05-25 Online:2004-03-20 Published:2004-03-20

Abstract

Abstract:

Based on the systematical study of the regional distribution,strata sequences,chronology and structural deformation of the phosphorus-bearing stratum in the Susong phosphorus deposit,the age of the Susong phosphorus deposit belonged to the Sinian is put forward.The phosphorus-bearing stratum suffered two generations of strong deformations,and the original bedding is strongly reformed.The SuSong phosphorus deposit make up a folded monocline with the tangent plane of the smaller folds orientated NWW,dip to the south.The multilayer,thin out or combination of the phosphorus layers have been formed,which are mainly controlled by structure deformation,not by palaeogeography completely.The phosphorus layers in some former drilling profiles can be reconnected according to the folded theory.It is useful for us to explore and appraise or mine the phosphorite.The distribution of the phosphorus layers in palaeogeography has been described and the phosphorus deposit is evaluated on the structural view.

Key words: Susong phosphorus deposit, Sinian, deformation, structural evaluation, southern part of Dabie Mountains

CLC Number:

P619.21

HOU Ming-jin,TANG Jia-fu，GAO Tian-shan. SEQUENCE,CHRONOLOGY AND DEFORMATION OF THE PHOSPHORUS-BEARING STRATUM OF THE SUSONG PHOSPHORUS DEPOSIT IN SOUTHERN PART OF DABIE MOUNTAINS AND ITS STRUCTURAL EVALUATION[J]. Geoscience, 2004, 18(3): 321-330.

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SEQUENCE,CHRONOLOGY AND DEFORMATION OF THE PHOSPHORUS-BEARING STRATUM OF THE SUSONG PHOSPHORUS DEPOSIT IN SOUTHERN PART OF DABIE MOUNTAINS AND ITS STRUCTURAL EVALUATION

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