堿性超基性巖 的英文怎麼說
中文拼音 [jiǎnxìngchāojīxìngyán]
堿性超基性巖
英文
alkalic ultrabasic rock-
( 4 ) based on the analysis and summary of typical orogenic belt in china, advancing the marker to distinguish the exist of delamination occurred in orogenic belt, especially giving up some new marker such as ring ultrabasic - basic - medium acid rock body, local bimodal continental rifting volcanic activity ; rapakivi granite, etc. ( 5 ) collating the main stages of south part of sanjiang orogenic belts evolution after the close of old nanchangjiang ocean, i
較全面地提出了判別造山帶成熟拆沉作用發生的標志，特別是根據對我國典型造山帶的總結分析，提出了一些新的標志，如環狀超基性一基性一中酸性雜巖體;局部雙峰式大陸裂谷型火山活動;二長花崗巖、堿性花崗巖和奧長環斑花崗巖;地殼局部短暫下沉;等等。Therefore, based on the isotopic chorology, petrochemistry, geochemisty and sr, nd, pb isotope, the ph. d dissertation mainly studied some yanshanian mafic dikes, volcanic rocks and alkalic - ultramafic dikes in shandong province
本論文主要從同位素年代學、巖石化學、地球化學和sr ? nd ? pb同位素方面對山東地區燕山期基性脈巖、火山巖和堿性超基性脈巖進行了系統研究。The formation of the enriched mantle ( em1 ) is attributed to the strong metasomatism - taking place between subducted yangtze lower crust and nc ( north of china ) ancient lithosphere
2 、火山巖、堿性超基性脈巖和基性脈巖（除少數外）都形成於大陸板內拉張環境。Under 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