堿性安山巖 的英文怎麼說
中文拼音 [jiǎnxìngānshānyán]
堿性安山巖
英文
alkali andesite-
The rock assemblages of the bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite
火山巖巖石組合以堿性玄武巖粗安巖堿性流紋巖為主。By studying, the main conclusions have been achieved as follows : i. the volcanic rocks, as the result of the partial melting of enriched mantle, comprise calc - alkaline andesite and dacite and a few tholeiite
通過研究，得出以下主要認識： 1 、火山巖為一套以鈣堿性安山巖為主，含少量拉斑玄武巖和英安巖。The wall rock of the mine is the third member of aqishan formation, which it is formed by the neutral - acidic volcanic rock and volcanic arenite of calcium - alkala series. the rock is mainly of andesite, quartz andesite, volcanic breccia agglomerate and volcanic breccia
礦床賦礦圍巖為阿奇山組第三巖性段鈣堿系列的中酸性火山巖-火山碎屑巖，主要巖性為安山巖、英安巖、火山角礫熔巖、火山角礫巖等。2 both the hanging wall and the footwail rock of ore bodies are garnet biotite schist, protoliths are alkaline volcanic rocks ( tracyh andesite ). according to characteristics of trace elements assemblages and the setting of tectonics, these alkaline volcanic rocks were derived from the lower degree melting of metasomatic and enriched mantle ( eml ) in the initial stage of middle proterozoic epoch. they strongly enriched in large ion lithophile elements ( lile ), such as ba
2 、礦體頂、底板圍巖（石榴石黑雲母片巖、鈉長黑雲母片巖等）的原巖為堿性火山巖（粗面安山巖） ，相對富集大離子親石元素ba 、 cs 、 rb 、 k 、 lree及貧zr 、 sr 、 ti 、 hf 、 hree ，為早元古代末期-中元古代早期交代富集地幔低程度部分熔融所形成的堿性火山巖。On the basis of detailed and systematic studies on the petrography, major and trace elements and sr - nd isotopic data of mesozoic volcanic rocks, especially the mafic volcanic rocks in yanshan area, we successfully studied the deep processes related to magma generation and their relationship with shallow - level tectonic evolution. the major conclusions are summarized as below. 1
論文通過對燕山地區中生代火山巖，特別是中基性火山巖，進行詳細而系統的巖石學、主微量元素地球化學特徵和sr - nd同位素組成特徵的研究，主要取得了以下研究成果： 1燕山地區中生代（ j - k ）火山巖為一套鈣堿性-高鉀鈣堿性-橄欖安粗巖系列巖石。分享友人