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中文摘要：
为了探讨岩浆侵入对煤结构参数的演化规律，对淮南煤田朱集区13—4钻孔内岩浆接触带两侧的4个煤样品进行了X射线衍射和激光共焦显微拉曼光谱测试和分析。结果表明：煤的XRD光谱均显示出较高的背景强度，在26°与42°附近出现明显的石墨衍射峰；煤的拉曼光谱在1000-2000cm-1波数范围内有两个明显的振动峰，分别为宽缓的D峰（1328-1369cm-1）和尖锐的G峰（1564-1599cm-1）。在岩浆侵入的影响下，煤结构参数的变化与煤级的变化有很好的相关性。
英文摘要：
The structural parameters evolution of coal due to the influence of intrusions of hot magma was investigated and ana- lyzed. X-ray diffraction and laser confocal microscope Raman spectroscopy were used to test and analyze 4 coal samples undergo- ing varying contact-metamorphism by igneous magmas in borehole No. 13-4 of Zhuji coal mine, Huainan coalfield. The result showed that coal XRD spectrum showed higher background intensity, with the 26° and 42°nearby apparent graphite diffraction peak. Two significant vibration peaks of coal Raman spectra were observed in the 1 000-2 000 cm-1 frequency range： broad ＂D＂ peak at 1 328-1 369 cm i and sharp ＂G＂ peak at I 564-1 599 cm-1. With the influence of magma intrusion, the relation- ship between coal structural parameters and coal ranks was excellent.
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