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可保褐煤矿区位于昆明市东53公里。构造位置处在川、滇南北向构造带小江断裂东、西两分支所挟持的地块间,为一近南北向的山间盆地。保郎井田位于矿区东部,井田内地层(自上而下)分述如下:
To protect lignite mine is located 53 kilometers east of Kunming. The tectonic site is between the blocks hosed by the east and west branches of the Xiaojiang fault in the north-south tectonic belt of Sichuan and Yunnan, and is a near-north-south mountain basin. Paulang Ida is located in the eastern part of the mine and the inner Ida formation (top-down) is described as follows: