1) mylonite gneiss
糜棱片麻岩(地)
2) mylonitic gneis s
糜棱片麻岩
3) Mylonitic gneiss and mylonites
糜棱片麻岩和糜棱岩
4) carbonaceous mylonite schist
碳质糜棱片岩
1.
Located on the northern margin of Qaidam massif,the Tanjianshan gold deposit occurs in the carbonaceous mylonite schist of Wandonggou Group of Mesoproterozoic Jixian System as well as in the Late Variscan intrusive rocks.
滩间山金矿床产于中元古界万洞沟群碳质糜棱片岩和华力西晚期侵入岩中。
2.
Tanjianshan gold deposit is situated in the northern margin of Qaidam Massifand occurs in the Middle Proterozoic Wandonggou group carbonaceous mylonite schist andLate Variscan intrusive rocks.
滩间山金矿床位于柴达木地块北缘,产于中元古界万洞沟群碳质糜棱片岩和华力西晚期侵入岩中。
5) blastomylonite
[,blæstəu'mailə,nait]
变余糜棱岩<地>
6) mylonite zone
糜棱岩带
1.
Ore potentiality analysis of mylonite zone of Hetai gold mine field;
河台金矿田糜棱岩带含矿性分析
补充资料：糜棱岩
| 糜棱岩 mylonite 原岩遭受强烈挤压破碎后形成的一种动力变质岩。主要由细粒石英、长石及少量新生绢云母、绿泥石等矿物组成。矿物颗粒细小，一般小于 0.5毫米。具明显的条带状和眼球状构造，线理发育。显微镜下可见碎屑矿物具波状消光、解理和双晶纹弯曲 、颗粒边部碎裂等现象 。岩性致密、坚硬。主要由花岗岩、石英砂岩等刚性岩石经强烈动力变质形成。多发育于扭性或压扭性断裂带。依糜棱岩化程度分为糜棱岩化岩、糜棱岩、超糜棱岩和千糜岩等。 |
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参考词条