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Authors: Tengfei Ge 1 ; Jingzi He 1 ; Xue Yang 2 and Xuzhao Huang 2

Affiliations: 1 China University of Geosciences(Beijing) and China Aero Geophysical Survey&Remote Sensing Center of land and resources, China ; 2 China Aero Geophysical Survey&Remote Sensing Center of land and resources, China

Keyword(s): Magmatic iron ore, inversion, Panzhihua layered intrusion, South-West China

Abstract: The PanXi region in Sichuan province, Sounthwest China is famous for magmatic Fe-Ti-V oxide deposits in the country. The metallogenesis of the Panzhihua type V-Ti magnetite deposits remains controversial. Here we apply an interactive inversion technique on profiles of magnetic anomalies to study the deep geological structure of the Baima area. Combined with previous petrological and sedimentological studies on these rocks, the inversion results indicate that Baima iron deposits consist of several layered iron ore bodies. Different characteristics in the geometric forms of Panzhihua rock body and Baima rock body show different mineralization characters when forming magnetite ore layers under the gravity variation, resulting in different ore structures. Although the large aeromagnetic anomaly could be the signal of the buried huge iron ore bodies at depth in Panxi area, this has not been confirmed by deep drilling exploration. In order to solve this puzzle, we computed the aeromagnetic anomalies along profiles in the proven iron deposits of the Baima districts. The results reveal marked contrast between the calculated and observed anomalies. Based on these results and previous studies on the metallogenic features, we predict the presence of large iron ore bodies at depth beneath the Baima districts. (More)

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Paper citation in several formats:
Ge, T.; He, J.; Yang, X. and Huang, X. (2018). The Quantitative Inversion of Iron Ore under Strong Constrain in Panzhihua-Baima Districts in Sichuan Province Based on the High-Precision Aeromagnetic Survey. In Proceedings of the International Workshop on Environment and Geoscience - IWEG; ISBN 978-989-758-342-1, SciTePress, pages 369-379. DOI: 10.5220/0007430603690379

@conference{iweg18,
author={Tengfei Ge. and Jingzi He. and Xue Yang. and Xuzhao Huang.},
title={The Quantitative Inversion of Iron Ore under Strong Constrain in Panzhihua-Baima Districts in Sichuan Province Based on the High-Precision Aeromagnetic Survey},
booktitle={Proceedings of the International Workshop on Environment and Geoscience - IWEG},
year={2018},
pages={369-379},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007430603690379},
isbn={978-989-758-342-1},
}

TY - CONF

JO - Proceedings of the International Workshop on Environment and Geoscience - IWEG
TI - The Quantitative Inversion of Iron Ore under Strong Constrain in Panzhihua-Baima Districts in Sichuan Province Based on the High-Precision Aeromagnetic Survey
SN - 978-989-758-342-1
AU - Ge, T.
AU - He, J.
AU - Yang, X.
AU - Huang, X.
PY - 2018
SP - 369
EP - 379
DO - 10.5220/0007430603690379
PB - SciTePress