
蛇绿岩;蛇绿岩套
The pyrite type Cu-Au-deposit is located in the ophiolite suite of the Precambrian Bikou Group.
碧口群黄铁矿型铜金矿床产于前震旦纪古蛇绿岩套中。矿体受一定层位控制,分段集中,成群分布;
They point out the age of ophiolite suite by paleontological method and the emplacement age of ophiolitic melange.
提出当前用古生物法确定蛇绿岩套形成时代及蛇绿混杂岩定位时代应注意的问题。
The Ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical Ophiolite suite.
摘要该蛇绿岩带的岩体由地幔橄榄岩组成,主要岩石类型是方辉橄榄岩和纯橄榄岩,缺少典型蛇绿岩剖面中的洋壳单元。
The ophiolite massifs are composed of mantle peridotite that is mainly harzburgite and dunite, and lacked of crust magmatite within the typical ophiolite suite.
该蛇绿岩带的岩体由地幔橄榄岩组成,主要岩石类型是方辉橄榄岩和纯橄榄岩,缺少典型蛇绿岩剖面中的洋壳单元。
This is the first report on the ophiolite suite, which consists of metasediment, meta-basalt, metadiabase, metagabbro, metapyroxene and metasilicith, in the Wenjiashi area, northeastern Hunan.
在湘东北文家市首次识别出蛇绿岩套残片 ,它由变沉积岩、变玄武岩、变辉绿岩、变辉长岩、变辉石岩类及变硅质岩组成。
蛇绿岩套(Ophiolite Suite) 是指一套特定组合的镁铁质至超镁铁质岩石序列,代表了古老大洋岩石圈(包括洋壳和上地幔顶部)的残片,因板块构造运动(如洋壳俯冲或大陆碰撞)而被推覆或逆冲到大陆边缘或岛弧之上的地质体。它是研究古大洋盆地演化、板块构造和地幔过程的关键窗口。
蛇绿岩套的经典层序(自上而下)通常包括:
蛇绿岩套的形成与板块构造密切相关:
参考资料:
“Ophiolite suite”(蛇绿岩套)是地质学中描述特定岩石组合的术语,其含义和组成如下:
Ophiolite suite指一套由蛇纹石化超镁铁岩、基性侵入杂岩、基性熔岩及海相沉积物组成的岩石组合,代表古洋壳残片被推覆到大陆边缘或岛弧上的地质现象(,)。
蛇绿岩套的典型层序自下而上包括:
这类岩石组合是研究板块构造的重要证据,常形成于俯冲带或大陆碰撞带,例如洋壳俯冲到陆壳下方时被挤压抬升并保存于造山带中()。
若需进一步了解蛇绿岩套的全球分布或具体案例,可查阅地质学专业文献或区域构造研究论文。
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