次堿性巖 的英文怎麼說
中文拼音 [cìjiǎnxìngyán]
次堿性巖
英文
subalkaline rock-
D ) the invasion of jinningian - chengjiangian alkali basite were unambiguous, the distribution of those rocks form " z " in shape, which similar with luoyin fracture zone and the distribution of copper deposit. it shows that copper deposits were controlled by discordogenic fault and its derived sub - structure, and there are relationship between copper deposit and jinningian - chengjiangian alkali basite. e ) most of minerogenetic age of copper deposit, which located in kunyang rift valley, belongs to jinningian - chengjiangian ( between 900 - 650ma ), similar with the time limit of breaking - up of rodinia
東川礦區晉寧-澄江期堿基性巖侵入活動明顯，常作為因民組復雜角礫巖膠結物和巖脈（體）產出，多分佈於深大斷裂及其派生的次級構造附近，明顯受南北向小江深大斷裂走滑運動引起的右行旋扭及其派生構造控制，與「落因破碎帶」和「銅礦分佈」較吻合，均為「 z 」字形。It is difficult to conform the derivations of the native heavy minerals, so the author assumes corresponding procedures as follows to accomplish the research task : firstly, according to the composition typomorphic peculiarities of minerals deriving from mantle, the author selected a part of minerals as preliminary reseach objects from the native heavy minerals and then further investigate the mantle ones and their host rocks in two ways : one is the method of comparation with the corresponding minerals of rocks deriving mantle in the research field and other places ; anorther is the method of multivariate statistical analysis
本次工作為了盡可能地排除非幔源礦物的干擾，根據陳光遠（ 1990 ） 、潘兆櫓（ 1994 ）等學者有關礦物成分標型的論斷，篩選出地幔特徵元素含量較高的重砂礦物做為初步研究對象，為達到研究目的採取了如下方法：與區內已發現的幔源巖石（如鉀鎂煌斑巖等） 、國內外有代表性的堿性玄武巖、金伯利巖、鉀鎂煌斑巖的深源包體中的相應礦物進行對比研究的方法；多元統計分類的方法。It indicates there are close relationship between the forming of copper deposit in kunyang rift valley and the breaking - up of rodinia
表明東川礦區銅礦形成與深大斷裂及其派生次級構造和晉寧?澄江期堿基性巖侵入活動關系密切； 5Under the cooperation of lifts and mantle fluids, the melting point of mantle peridotite fell, and then, extensive melting took place in the enriched mantle, which resulted in the appearance of abundant mafic dikes, ultramafic dikes and contemporaneous volcanic rocks in shandong province
綜合堿性超基性脈巖和已知的青山組的火山巖、基性脈巖年齡數據，認為山東地區中生代地殼拉張至少存在四次：即約80ma 、 100ma 、 120ma和140ma 。分享友人