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庐山地区新元古代海相火山活动及岩石特征

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庐山南麓发育一套变细碧-石英角斑岩系火山岩,岩性组合从早到晚反映了由基性到酸性的岩浆演化规律。火山活动具有由喷发相(喷溢亚相)-喷发-沉积相的特点,构成了具多韵律性的火山喷发特征。经同位素年龄研究属晋宁期火山喷发产物,时代归属为新元古代早期。
The Volcanic Activity and Rock Character of New Proteozoic Era Marine Facies in Lushan Area
There develops a suit of meta-spilite baschtaunite system volcanic rocks in the south of Lushan Mountain.Lithology combination reflects the regularity of magma evolution from basic to acid. Vocalnic activity characterizes extru-sive facies - spurt - deposit facies, which constitutes multi-rhythmic volcanic spurting. The progeny of vocahic spurting inJinningian is studied through isotopic era, which belonys to the morning of new proterozoic era.

New proterozoic eravolcanic activitycharacterLushan

谢国刚、黄传冠、钟春根

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江西地质调查院,江西南昌 330201

新元古代 火山活动 特征 庐山

2000

东华理工大学学报(自然科学版)
东华理工学院

东华理工大学学报(自然科学版)

CSTPCD
影响因子:0.634
ISSN:1674-3504
年,卷(期):2000.23(2)
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