关于煤的变质因素，文中否定了那种把该煤田煤变质因素单纯归结了深成变质作用的观点。
The opinion is denied of the metamorphic factor only relying on to regional metamorphism in the paper.
上古生界有机质早期主要以深成变质作用为主；
The organic matter in the Upper Paleozoic strata mainly experienced hypozonal metamorphism in early stage.
从动力学系统分析，区域变质作用混合岩化作用变质深熔作用是温压递进性变质作用。
According to the systematic kinetic analysis the processes from regional metamorphisms to migmatizations to metamorphic anatexis are the temperature-pressure progressive metamorphic processes.
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