1) dacite volcanic rock
英安质火山岩
1.
The discovery and significance of dacite volcanic rocks of the Dongrong block,Mantou Formation in early Cambrian in the Yanjiajie,Liuhe County;
柳河县阎家街地区早寒武世馒头组东热段英安质火山岩的发现及意义
2) felsic volcanic rocks
长英质火山岩
1.
Based on the studies of 10-odd massive sulfide deposits hosted in the felsic volcanic rocks, combined with domestic and foreign mineral resources-related referrences, the regional geology, volcanic geology, volcanic petrology, lithchemistry, mineralization and criteria for ore control are systematically summarized.
作者在对我国十多个产于长英质火山岩中的块状硫化物矿床进行大量工作的基础上，综合国内外有关矿产资料，对该类矿床产出的区域地质、火山地质、火山岩石学与岩石化学、矿化等成矿地质特征和控矿标志作了系统的总结和阐
2.
The Habahe felsic volcanic rocks, outcropped in the Habahe area, north Xinjiang with age of early Late Paleozoic, are mainly composed of dacitic to ryolitic rocks.
新疆北部哈巴河一带出露的一套晚古生代早期长英质火山岩主要由英安质—流纹质火山岩组成。
3) shoshonitic volcanic rocks
橄榄安粗质火山岩
1.
Origin of Miocene shoshonitic volcanic rocks from Xiongyingtai, Hoh Xil, North Xizang;
可可西里雄鹰台中新世橄榄安粗质火山岩的成因
5) metamorphic dacite
变质英安岩
1.
Zircons from the metamorphic dacite of the Wudaogou Group in Yanbian area have euhedral-subhedral shapes and high Th/U ratios(0.
延边地区五道沟群变质英安岩中的锆石呈自形-半自形晶,具有较高的Th/U比值(0。
6) asperite
玻质英安岩
补充资料：英安岩
| 英安岩 dacite 一种中酸性喷出岩。其矿物成分和化学成分与花岗闪长岩或石英闪长岩相当。灰色或灰白色。具斑状结构和流纹状构造。斑晶多为中性斜长石，碱性长石较少，有时含少量石英。基质由细粒的长石和石英组成。常与流纹岩、粗面岩、安山岩，以及石英斑岩等伴生，组成厚大的火山岩系。与其有关的矿产有黄铁矿、明矾石、蒙脱石、高岭石等。 |
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