calc alkaline rock 中文意思是什麼
calc alkaline rock
解釋
鈣質 堿性巖-
The formation of a petrofabric is mainly composed of volcanics interlated with minor detrital rock, that of b petrofabric mainly detrital rock inter lated with minor volcanics, and that of c petrofabric mainly carbonate rock. the evidences in geochemistry character demonstrate that metamorphic volcanic rock of the a petrofabric belong to calc - alkaline volcanic rock
在代表性巖石原巖研究的基礎上確立了各巖組的原巖建造類型，它們分別是： a巖組主要為一套火山巖夾碎屑巖沉積建造； b巖組主要為一套碎屑巖夾火山巖建造； c巖組主要為一套碳酸巖建造。 -
They all belong to the calc - alkaline island arc series and are closely related to the evolution of the arc - basin systems of the gangdise tectonic belt. based on studies of petrology, litho - geochemistry, tectonic setting, petrogenesis and magmatic evolution, the present dissertation summarized the general evolutionary regularity of the magmatic rocks in time and space. the magmatic rock assemblages are divided into the inter - arc spreading basin t
在對研究區主要礦產分佈特徵、成因類型系統分析的基礎上，總結了措勤地區構造巖漿演化與成礦的關系，並將研究區成礦系統劃分為匯聚大陸邊緣成礦巨系統、碰撞造山成礦巨系統和陸內匯聚成礦巨系統。 -
At last the rhythm of yanshanian volcanic rocks is classified into three series such as alkaline basalt, hkca, calc - alkaline shoshonite. 4. based on the study of rock series, assemblage of igneous rock, characteristic of geochemistry, trace effect of isotope, the yanshanian volcanic rocks of yanshan - liaoning area are mainly calc - alkaline series, which should belong to the products of near continental margin of intracontinental tectonic setting
3 、在火山活動節律的劃分、區域對比的基礎上，研究了各級節律火山巖的巖石學、礦物學、地球化學和同位素地質學特徵，將研究區燕山期火山巖劃分為堿性玄武巖系列、高鉀鈣堿性系列和鉀玄巖系列。
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