gabbros

geochemical features and its tectonic implication of the jinningian wangjiangshan gabbros in the north margin of yangtze block

扬子北缘晋宁期望江山基性岩体的地球化学特征及其构造背景

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according to the chemical compositions, the 10 studied gabbros can be divided into two groups representing two different magmas.

10个辉长岩从化学组成上分为两组，代表了两个不同的岩浆。

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both the wushi diorite-hornblende gabbros and the surrounding granite-granodiorites belong to high-k calc-alkaline series.

乌石闪长岩角闪辉长岩和周围佛冈黑云母花岗岩、含角闪石花岗闪长岩同属于高钾钙碱性系列岩石。

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The zircon, from the diabase-gabbros, U-Pb age of 402 Ma shows that the basic swarms were intruded in the middle Palaeozoic.

作者同时获得了402Ma的单颗粒锆石U-Pb年龄，表明这些基性侵入岩群形成于中古生代。

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Ophiolites exposed in Dongqiao are mainly composed of metamorphic peridotites, gabbros and basalts.

西藏东巧蛇绿岩主要由变质橄榄岩 、 辉长岩及玄武岩等组成.

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It is the suture zone between Qinling and Yangtze plates. It is a tectonic melange, consisting of tectonic blocks of ultrabasic rocks, gabbros ( accumulative gabbros), diabasic dike swarms, mid& ocean ridge basalts and island arc volcanic rocks.

它是秦岭与扬子之间的缝合带，为一典型的蛇绿构造混杂带，由超基性岩、辉长岩（堆晶辉长岩）、辉绿岩墙群、洋脊玄武岩和岛弧火山岩构成。

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