1) Dachongtou minefield
大冲头井田
1.
The Dachongtou minefield,Zhijin mining area is situated at middle sector of Agong syncline,east limb of Nayong-Zhijin downwarped fold fault bundle,minefield general structural form is asymmetric syncline with NE axial direction.
织金矿区大冲头井田地处纳雍织金凹褶断束东翼阿弓向斜的中段,井田总体构造形态为轴向NE的不对称向斜,断层发育,以走向NE、落差<20m的小型正断层为主,主要分布在井田的四个角、向斜两翼煤系地层出露地段及南东翼煤系地层较浅部位,对+1 350m水平以上的煤层有影响;褶皱主要分布在阿弓向斜南东翼和井田东北、西南角,挤压带次级褶曲对煤层影响较大。
2) daxing mining field
大兴井田
3) Matouling well field
马头岭井田
1.
A Permian Longtan Formation coal-bearing measures under detachment structure and Cretaceous red-bed was newly discovered in Matouling well field,Hunan province.
在马头岭井田新发现一个滑覆构造和白垩系红层掩盖下的二叠系上统龙潭组含煤构造。
4) Dazhuba coal field
大竹坝井田
1.
Based on studies and integrated appraisal on structural complexity and coal seam stability in Dazhuba coal field,the paper cautiously reviews changed regularity of coal beds thickness.
通过对大竹坝井田构造复杂程度和煤层稳定程度进行分析研究和综合评价,认真总结煤层厚度变化的规律。
5) Dayugou minefield
大峪沟井田
1.
To take the Dayugou minefield structure,No.
以大峪沟井田构造、二_1煤层及其顶、底板砂岩为研究重点,发现整个井田为一大型滑动构造,并分析了该滑动构造的形成条件,指出了滑动构造对煤层赋存的影响规律,为今后类似井田的勘查和开发提供了参考。
6) Dagaozhuang mine field
大高庄井田
1.
In the coal－bearing strata of Dagaozhuang mine field in Jiyu coal－field of Tianjin city,there associated multi－kinds of rare element,and the Ga of them primarily rich in No.
天津蓟玉煤田大高庄井田煤系中煤伴生有多种稀有元素，其中镓主要富集在9煤及其直接底板岩石之中，品位>30mg/kg，而且镓的含量与煤中粘土矿物有关。
补充资料：大冲
1.天文学术语。指火星离地球最近的时期﹐隔十五年到十七年重复一次﹐因为距地球近﹐这时火星显得最亮。
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