对它的研究,有助于恢复大型褶皱形态和变质岩原岩产状。
Research on hook folds is conducive to restoration of folded form of large folds and original occurrence of metamorphic rocks.
不过,变质岩中微量碳酸盐的碳含量和碳同位素比值分析能够对原岩类型提供有效的判别。
Nevertheless, the combined carbon content and isotope analyses of micro-carbonate in metamorphic rocks can be used to make a distinction in origin between sedimentary and igneous protoliths.
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。
Besides metamorphic grade, the nature of original rocks and the precursor of carbonaceous material may also influence graphitization.
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