metamorphic grade

基本解释

A new thought is proposed to forecast mineralization of endogenetic deposits based on metamorphic grade of coal.
据此提出了根据煤变质程度进行内生矿床成矿预测的新思路。
Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.
除了变质程度以外，原岩的类型和碳的原始物质的种类也会影响碳的石墨化作用。
The Panxi (Panzhihua-Xichang) granulites have long been recognized as the oldest rock of the crystalline basement with the highest metamorphic grade on the western margin of the Yangtze Block.
攀枝花-西昌（攀西）麻粒岩一直被认为是扬子陆块西缘变质程度最高和最古老的结晶基底岩石。