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地球化学特征研究表明,东秦岭松树沟长英质高压麻粒岩的原岩性质主体为杂砂岩或长石砂岩,少量为亚碱性的酸性火山岩或岩浆岩并具慢源成因;其古构造环境类似于活动大陆边缘。
The geochemical characteristics show that the main protoliths of the Changshuigou high-pressure granulite in the East Qinling are mainly composed of miscellaneous sandstone or feldspar sandstone, a small amount of sub-alkaline acidic volcanic rocks or magmatic rocks with slow source genesis, The environment is similar to the active continental margin.