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河南大别山区含柯石英榴辉岩的发现扩大了中国中东部含柯石英榴辉岩带的分布区。 The discovery of coesite -bearing eclogites in this area enlarges the region of coesite-bearing eclogite belt in Central -Eastern China. | ||
研究了大别山北部榴辉岩的变质岩岩石学。 The metamorphic petrology of eclogites from northern Dabie Mountains was performed. | ||
石榴子石以铁铝榴石和钙铝榴石为主，属于C类榴辉岩。 The garnets consist mainly of almandine and grossularite, and belong to C-type eclogite. | ||
本文报道了大别山东南部安徽石马地区柯石英榴辉岩组合和黄镇地区石英榴辉岩组合的全岩及单矿物的氢氧同位素特征。 The hydrogen and oxygen isotope compositions of single minerals and whole-rock were measured for coesite-bearing eclogite at Shima and quartz-bearing eclogite at Huangzhen in southeastern Dabie. | ||
大别山超高压变质带中变质花岗岩常与榴辉岩密切伴生。 As the important member in Dabie ultrahigh pressure metamorphic belt, meta-granitoids are often associated with coesite-bearing eclogites. | ||
榴辉岩型金红石矿床是我国原生金红石矿床的最重要类型。 The eclogite-type rutile deposit is the most important primary rutile deposit in China. | ||
麻粒岩和榴辉岩中退变质阶段的角闪石主要形成于中压相系角闪岩相的温压条件。 The amphiboles of retrogressive metamorphic stages in the granulite and eclogite were mainly formed under the condition of amphibolite facies of medium pressure facies series. | ||
对北大别西南部“罗田穹隆”中超高压榴辉岩进行了变质岩石学研究，发现其中含有褐帘石和氟磷灰石。 It was found that except for usual eclogitic minerals such as garnet, omphacite and rutile, the eclogites contain allanite and fluor-apatite. | ||
这些退变质结构为本区榴辉岩高级变质岩的快速折返过程和抬升历史提供了强有力的岩石学依据； These retrograde micro-textures provide petrological evidence for rapid exhumation process and uplift of the high-grade metamorphic rocks such as eclogite in northern Dabie Mountains. | ||
杂岩体主要岩石类型为：辉长岩、辉长辉绿岩、辉石岩、橄榄辉石岩等。 The main rocks in the complex are gabbro, gabbro-diabase, pyroxenite and olivine-pyroxenite etc. | ||
