alkalic plagioclase 中文意思是什麼
alkalic plagioclase
解釋
堿性斜長石- alkalic : adj. 【地質學；地理學】1. 堿性的；強堿性的。2. （巖石）含大量鈉和鉀鹽的。
- plagioclase : n. 【礦物】斜長石。
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During diagenetic process, there may exist the fractional crystallization of clino - pyroxene, plagioclase, olivine and ti - fe oxide, and the accumulation of olivine. the alkalic - ultramafic dikes formed by low degree partial melting ( 3. 4 % ) of enriched mantle, consist of single olivine pyroxenolite, the dominating olivine fractionation is evident
成因上為富集地幔部分熔融作用的結果，但在成巖過程中也可能存在單斜輝石、斜長石、橄欖石和ti - fe氧化物等礦物的分離結晶作用。
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