1) contact metamorphic coal
接触变质煤
1.
Based on the chemical analysis,microscopic identification,low temperature ashing and X-ray diffraction,three features of the inorganic matter in contact metamorphic coal of Datong coalfield are found out.
我国接触变质煤分布较广,有关接触变质煤的研究日益受到重视。
2) thermal contact metamorphic zone of coal
煤接触热变质带
3) contact metamorphism
接触变质
1.
The metamorphism of coal is primarily contact metamorphism,and there are complex coal types.
吴桂桥井田喜山期岩浆活动剧烈，多以岩床形式顺层侵入煤层顶底板及煤层中间，对煤层赋存形态、结构、煤质产生较大破坏影响，变质作用以接触变质为主，煤类复杂。
4) contactolite
接触变质岩
1.
Iithological characteristics and metamorphic belt of Eogene low-pressure contactolite of Luo 1S1 and Luo 152 wells in Luojia area are divided through the tools of thin slice observation, scanning election microscope and X-ray diffraction.
利用岩石薄片、扫描电镜和X衍射等实验技术手段,在对罗家地区罗151和罗152等井的古近系低压接触变质岩岩石学特征和变质亚带划分的基础上,通过对变质矿物共生组合和变质反应分析认为,罗151块接触变质岩储层段属于低压角闪石角岩相,变质的主峰温度为430~670℃;孔隙空间主要是围岩接触变质阶段产生的变质原生孔隙,并计算出矿物变质反应前后摩尔体积的变化率。
6) contact metamorphism
接触变质作用
1.
Reservoir formation model for inorganic natural gas under contact metamorphism: Exemplified as Shuangshan area in the south of Tanlu fault belt;
接触变质作用条件下无机天然气成藏模型——以郯庐断裂带南段双山为例
补充资料：煤的变质作用(见成煤过程)
煤的变质作用(见成煤过程)
metamorphism of coal
mel由玩anzhi zuoyong煤的变质作用(metamorPhism。f coal)‘见成煤过程。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条