Early Cretaceous mafic dykes in central Tancheng–Lujiang Fault的封面
书籍主题:

Early Cretaceous mafic dykes in central Tancheng–Lujiang Fault

LAP LAMBERT Academic Publishing (2015-01-27 )

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ISBN-13:

978-3-659-67647-5

ISBN-10:
3659676470
EAN:
9783659676475
书籍语言:
英文
作品简介:
As special results in extensional setting, the mafic dykes comprise lamprophyres, dolerites and diabase porphyrites. It is generally accepted that Mesozoic destruction accurred in the North China Craton, large-scale investigation on this have been done at the same time, however, controversies on the age, space, meachnism and contral factors appear due to minor investigation on the mantle-derived rocks. As one important Fault in the North China Craton, Mesozoic mafic dykes are widespread in the Tancheng-Lujiang Fault, indubitably, the special studies on these dykes can provide important evidence for the destruction of the NCC. This study using geochronological, geochemical, and whole-rock Sr-Nd-Pb isotopic data of the Mesozoic mafic dykes from the Tancheng-Lujiang Fault. Based on the systematic study, the main results are as follows: the mafic dykes were derived from the partial melting of an enriched mantle source due to the hybridization of subducted sedimentary rocks from Yangtze Craton during 122–125 Ma. In addition, the parental magmas of these dykes then fractionated olivine and Fe–Ti oxides during ascent and underwent negligible crustal contamination during magma emplacement.
出版社 :
LAP LAMBERT Academic Publishing
网址:
https://www.lap-publishing.com/
由(作者):
Shen Liu, Caixia Feng, Ruizhong Hu
页码 :
72
发表日期:
2015-01-27
现货:
备有现货
类别:
地球科学
价格:
39.90 €
关键词:
NCC, origin, genetic model, Tan–Lu Fault, Yangtze Craton, age

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