metasomatic rock 中文意思是什麼
metasomatic rock
解釋
交代巖- metasomatic : 換質的
- rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
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Laiwu hydrothermal metasomatic iron deposit is located at contact zone of ordovician carbon - ate rock ( majiagou formation ) and late yanshanian diorite or nearby
摘要萊蕪接觸交代熱液鐵礦賦存於奧陶系馬家溝組碳酸鹽巖與燕山晚期閃長巖的接觸帶及其附近。 -
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。 -
The auther regards the stratiform green - rock as a kind of exhalative sedimentary rock which is different from contact - metasomatic skarn
此類綠色巖是一類區域性展布的特殊類型的噴流巖。 -
And the generalized homothetic composite action of metallogenic subsystems mentioned above formed the multiple - composite metallogenic system of the jiangda tectonic belt. the typical ore deposits of jiangda tectonic belt, such as dingqinnong, jiaduoling, renda etc, are contact metasomatic type deposits formed intracontinental rifting stage, and the tectonic - magmatic - hydrotherm of intracontinental orogenic stage superposed and rebuilt some preexistent ore body. their space distribution is controlled by composite intrusive rock belt of ne direction
對丁欽弄、加多嶺、仁達等典型礦床的研究表明，它們均為形成於陸內裂谷作用階段的接觸交代型礦床，陸內造山期的構造?巖漿?熱液作用疊加改造了先成礦體，礦床空間分佈受北東向復合侵入巖帶控制。 -
4. the ore type is multitudinous in zhulazaga gold deposit, including exhaust - sediment type, alteration volcanic rock type, alteration metamorphic sandstone type, metasomatic rock type and sulfide quartz vein type, of which the strongest one contributed to deposit was the alteration metamorphic sandstone type, and the secondary one is alteration volcanic rock and metasomatic rock type
4 、朱拉扎嘎金礦的礦石類型眾多，有噴流沉積型、蝕變火山巖型、蝕變變質砂巖型、交代巖型和硫化物石英脈型，其中對礦床或礦體貢獻最大的是蝕變變質砂巖型，其次是蝕變火山巖型和交代巖型。
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