RELATIONSHIP BETWEEN MAJOR/TRACE ELEMENTS AND THE PARAMETER OF ROCK PYROLYSIS IN THE LOW-RANK COALS

摘要

Researches on major and trace element in coals are mainly focused on the fields of depositional environment and optimizing utilization. Less reports about influence of major and trace element on hydrocarbon generation capacity of coal have been published. In this paper, Mesozoic coal samples collected from Liudaowan mine in Xingjiang Autonomy region have been characterized through geochemical, petrographic and organic petrology investigation. The contents of 36 kinds of major element oxides, trace element, Rock-Eval parameter and maceral composition have been examined for samples. Regression analysis of all the date acquired using mathematic methods such as linearity, logarithm, binomial, power and index, led to some particular comprehension on the influence of major and trace elements on hydrocarbon generation capacity of coal.