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一、地质概况拉硐超基性岩体位于青海省祁连县北东约15公里处,在构造上分布于北祁连加里东地槽褶皱带,走廊南山复背斜柏树台倾伏背斜东倾伏端与前期花岗岩接触带上(图1)。出露面积约8平方公里,是北祁连山地区较大的岩体之一。
I. Geological Survey The Lacha ultrabasic rock mass is located about 15 kilometers north-east of the Qilian County in Qinghai Province and is structurally distributed in the Galliferong Gulch fold belt in the North Qilian. The anticlinal anticlinal anticlinal anticlinal anticlinal anticline The eastern dip ends are in contact with the pre-granite (Figure 1). Exposed an area of about 8 square kilometers, is one of the larger rock mass in the northern Qilian Mountains.