碱玄质响岩 - 百度百科
碱玄质响岩（pollenite,tephritic phonolite,tephriphonolite）由碱性长石、钠质斜长石、副长石和各种镁铁矿物组成的一种碱性火山岩的集合名称
Phonolite - Wikipedia
Phonolite is a variation of the igneous rock trachyte that contains nepheline or leucite rather than quartz. [1] It has an unusually high (12% or more) Na 2 O + K 2 O content, defining its position …
Phonotephrite - Wikipedia
Phonotephrite or phono-tephrite is a strongly alkaline volcanic rock with a composition between phonolite and tephrite. [1] This unusual igneous rock contains 7 to 12% alkali content and 45 …
Tephrite - Wikipedia
Tephrite is an igneous, volcanic (extrusive) rock, with aphanitic to porphyritic texture. Mineral content is usually abundant feldspathoids (leucite or nepheline), plagioclase, and lesser alkali …
Tephritic phonolite - ALEX STREKEISEN
Tephritic phonolite Phonolites: Phonolites are extrusive rocks that are essentially composed of alkali feldspar (Anorthoclase and Sanidine), mafic minerals such as alkali amphiboles, alkali …
Phonolite - SpringerLink
Phonolites are fine-grained, undersaturated, intermediate igneous rocks, with or without phenocrysts, consisting primarily of alkali feldspars and feldspathoids together with pyroxenes …
Phonolite vs Tephrite
Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic
Phonolite - an overview | ScienceDirect Topics
Phonolite is a subvolcanic rock variety characterized by the presence of variable amounts of pyroxene and phenocrysts of sanidine, nepheline, diopside, nosean, kaersutite, and titanite, …
Basanite–Phonolite Lineages of the Teide–Pico Viejo Volcanic …
1998年5月1日 · Two petrologically distinct basaniten–phonolite lineages are identified, which correlate essentially with the products of the Pico Teide and Pico Viejo stratovolcanoes. …
响岩质碱玄岩 - 百度百科
这一名词用来表示类似响岩但含有基性斜长石的岩石。 [1] 按照火山岩岩石化学QAPF分类 (M＜90%)在13区内,假若橄榄石标准矿物大于10%,则岩石为响岩质碧玄岩,假若小于10%,则叫 …