浅粒岩
- 网络Leptite
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粗面岩、响岩、粗玄岩,含钾泥灰岩、钾长浅粒岩等尚待开发利用。
The trachyte , phonolite , dolerite , K-bearing marl , K-feldspar leptite etc are to be exploited and utilized .
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分布在大别造山带南部的浅变质岩层,主要岩石类型为粉砂质千枚岩、变层纹状硅质板岩、变火山角砾岩及浅粒岩,原岩是火山&碎屑沉积岩系。
Epimetamorphic rock series distributed in the south of the Dabie Orogenic Belt are a sequence of volcanic clastic rock series , mainly composed of silty phyllite , laminated siliceous slate , meta volcanic breccia and leptite .
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斜长角闪岩-浅粒岩为同一岩浆连续分异变质火山岩,锆石Pb严重丢失,207Pb/206Pb年龄≥(2488±8)Ma。
Amphibolite-leptite is meta-volcanic rocks resulting from continuous differentiation of the same magma . Zircon Pb loss is serious and the 207Pb / 206Pb age is ≥ 2488 ± 8 Ma .
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深熔效应以小觉地区的夕线石钾长浅粒岩最为典型。
The effect of the anatexis is most prominent in sillimanite-K-feldspar leucogranulitite ( leptite ) of the Xiaojue area .
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花岗质岩石与其围岩变(浅)粒岩为渐变过渡关系,并呈现一些特殊的结构构造。
The granite , which is transitional to its host rock granulite , possesses some special structure and texture , fluctuating largely in its chemical component concentration .