Geological Characteristics and Prospecting Prediction of Tada-Huanian Iron Ore Field in Eshan County, Yunnan Province, China
详细信息   
摘要

Normal style="MARGIN: 0cm 0cm 0pt">Tada-Huanian iron deposit, Eshan County belongs to nor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">Lukuishan patternnor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin"> with sedimentary transformation iron ore, one of significant type of iron ore in Yunnan. The deposit is located in the Middle Proterozoic Dalongkou Formation of Kunyang group. The main ore bodies occur in black microlitic and micritic limestone of the Dalongkou Formation nor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">Pt2dnor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin"> and are indirectly controlled by the Fuliangpeng Fomation nor-latin; mso-fareast-font-family: 宋体; mso-fareast-theme-font: minor-fareast; mso-hansi-font-family: Calibri; mso-hansi-theme-font: minor-latin">PtzD which is under Dalongkou Formation. The lithofacies palaeogeography environment is basin border facies, e.g. deep water neritic shelf environment with lower energy and weak reduction and deposited carbonate sedimentary formation. The ore bodies form is stratified and sub-stratiform. The genesis is sedimentary transformation iron ore. Base on analysis of metallogenic geological background and geological characteristics with geophysical and geochemical, potential prospecting was concluded in 17 km range between Tada and Huanian. Three iron ore prospective area of Dingjiao-Zongguo, Huoshipo and Ggaoping-Naiyi were also reported.

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