Abstract: By the remote sensing anomaly inspection, two magnetite ore belts were first found in the Palaeoproterozoic Kulangnagu rock group(Pt1K) at Datong township area, which located in the southeast of West Kunlu Taxkorgan iron deposit prospect area. Shaped like ribbon or lenticular, the magnetite belt was hosted in quartz schist of marble stratum. Based on the regional stratigraphic paleogeographic environment, primary rock formation, ore-controlling environment geological background analysis, it is considered that the Kulangnagu rock group has prospecting potential for metamorphosed sedimentary iron ore. Based on the analysis of high resolution remote sensing, combined with geochemical and geophysical data, we discussed the ore prospecting area and put forward two favorable magnetite prospecting areas, one at the south of Datong township area, the other at the southeast of Bulunmusha Township, which provides direction for the next step of prospecting.