Early Proterozoic high-pressure metamorphism in the Wutaishan. 五臺山早元古代高壓變質(zhì)作用研究。
Thegenesis pertains to dynamo metamorphism hydrothermal metasomatic deposit under structural control. 其成因類(lèi)型屬于受構造控制的動(dòng)力變質(zhì)熱液交代礦床。
On the condition of thermal contact metamorphism, clay minerals in coal are changed into andalusite. 無(wú)煙煤中紅柱石是煤中粘土質(zhì)礦物經(jīng)熱接觸變質(zhì)作用形成的。
Medium-rank bituminites are formed by pneumato-hydrothermal metamorphism on the basis of burial metamorphism, and it is partial. 深大斷裂帶及其附近局部發(fā)育的中級煙煤是在深成變質(zhì)基礎上，疊加了高溫氣液熱變質(zhì)作用而形成。
