蛇綠巖套 的英文怎麼說
中文拼音 [shélǚyántào]
蛇綠巖套
英文
ophiolite complex-
Ultramafic rock fragments, which almost is altered to ophite, distributed in structural zone and displayed structural lens. so far, 9 fragments were discovered and mapped in nujinshan and bujing area ultramafic rock can be divided two kinds according to it ' s geochemical characteristics. one can be correlated with metaperidotite, which represented residual part that primary pyrolite underwent moderate partial melting, from some representative ophiolite melange in the world
按超鎂鐵巖類的地球化學特徵可將其劃分為兩類:一類具有較高而穩定的mgo 、較低的al _ 2o _ 3 、極低的cao , m f值為8 . 0 ? 8 . 4 ,按標準礦物組合進行分類可定為方輝橄欖巖,且均為fa _ ( 100 ) 、 en _ ( 100 )的鎂質端元組分;可與世界上一些典型的蛇綠巖套中變質橄欖巖進行對比,代表了原始地幔中等部分熔融作用后殘余物。The analysis of the geochemical and petrologic characteristics features shows that the assemblage of volcanic rocks is the series of middle ocean ridge basalt, ocean island basalt and ocean island andesite basalt, which implies that it is the relic of the ocean crust, i. e. typical ophiolites
通過巖石特徵和地球化學分析,確定了鹽邊群荒田組火山巖組合為洋脊玄武巖、洋島玄武巖、洋島安山玄武巖系列,說明這是洋殼殘片,即典型的蛇綠巖套。The lower member of typical ophiolite suit is exposed at outsides of the qimanyuter ophiolite melange and in between, there distribute the basalt, deep sea limestone and silicalites. these different litho - members contact to each other with ductile shear zones
帶內蛇綠巖套下部單元出露于兩側,玄武巖和相關的深水灰巖、硅質巖等分佈於中部,各單元間均以韌性剪切帶接觸。The lower paleozoic continent marginal sedimentary strata in the north kunlun massif are sinian - cambrian alajiaoyi group and ordovician pishigaisayi formation. the former is composed of high maturity flysch deposit, the later consist of continental shelf deposit such as carbonate and slate and sandstone. these rocks implies that they might form at passive continental margin
與其曼于特蛇綠巖相關的早古生代邊緣沉積巖在昆北地塊上為震旦?寒武系阿拉叫依巖群、奧陶系皮什蓋薩依巖組,前者為一套成熟度較高的陸源碎屑復理石沉積,後者為碳酸鹽巖和含碳板巖砂巖等陸棚沉積,顯示其具被動陸緣性質。Petrologically, new discovery includes a suite of the late permian - early triassic ophiolites in the southern part of the surveyed area and ophiolites in duolie, dagring village
巖石方面,在測區南部新發現了一套晚二疊世一早三疊世蛇綠巖。There exists a series of meso - neoproterozoic tectonic melanges and ophiolitic melanges in jianping - fuxin - tieling area of northern liaoning province
摘要遼寧北部建平阜新鐵嶺地區,存在一套中新元古代構造混雜巖系、蛇綠混雜巖。分享友人