dacite-porphyrite 英安玢岩
dacite liparite 英安流纹岩
labradorite-dacite 喇长英安岩
dacite-porphyry 英安斑岩
hypersthene dacite 紫苏英安岩
trachy dacite 粗面英安岩
biotite dacite 黑云英安岩
A plot of Nb/Y against Zr/TiO2 shows that the samples fall in the trachy-andesite,rhyodacite and dacite fields.
据Nb/Y-Zr/TiO2图解,样品落入粗面安山岩和流纹英安岩/英安岩区域,表明所发现的钾质斑脱岩的原始岩浆性质为中酸性岩浆。
参考来源 - 贵州乌当地区泥盆系乌当组下部粘土岩成因的初步研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Its genesis is related to volcanic eruption and dacite porphyry intrusion. And it has some characteristics of porphyry Cu deposit.
成因上与火山喷发、英安斑岩体侵入作用有关，具有斑岩铜矿的一些特征。
The volcanic rocks in the study area all belong to sub alkaline series including olivine basalt, andesite and dacite, from basic to intermediate, and to acid.
研究区内火山岩从基性—中性—中酸性都有出露，包括橄榄玄武岩、安山岩和英安岩，且都属于非碱性系列。
The dark dikes associated with mineralization in the Jinchanggouliang mine area, are mostly fine diorite-quartz diorites and diorite porphyrite-dacite porphyries.
金厂沟梁金矿区中与成矿伴生的暗色脉岩主要是细晶闪长岩石英闪长岩、闪长玢岩英安斑岩类。
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