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1)  Permian Gafengian volcanic rocks
孤峰期火山岩
2)  back-arc basin volcanic rocks
孤后盆地火山岩
3)  bimodal volcanic rocks
双峰式火山岩
1.
Definition of Neoproterozoic bimodal volcanic rocks in the south of Hangzhou and its tectonic significance;
杭州南部新元古代双峰式火山岩的厘定及其构造意义
2.
The metamorphic rocks consist of three basic-acid volcanic-sedimentary cycles and show the features of bimodal volcanic rocks.
东岩组地层由3个基性、酸性火山喷发 (溢)沉积旋回组成,具有双峰式火山岩特征。
3.
The results showed that the metamorphic volcanic rocks were bimodal volcanic rocks,and its primary rocks were the alkali-basalt and the calc-alkaline rhyolite which both had the similar geochemical characteristics with those of t.
结果表明,矿区变质火山岩为一套以玄武岩为主的双峰式火山岩,其原岩为基性的玄武岩和酸性的流纹岩。
4)  bimodal volcanics
双峰式火山岩
1.
Zircon U-Pb age and petrochemical characteristics of the Neoproterozoic bimodal volcanics from western Yangtze block;
扬子块体西缘新元古代双峰式火山岩的锆石U-Pb年龄和岩石化学特征
2.
In the basins are well developed Mid-Jurassic bimodal volcanics.
其Rb-Sr等时线年龄:玄武岩为173Ma,流纹岩为165Ma,说明这是一套中侏罗世双峰式火山岩。
5)  bimodal volcanic rock
双峰式火山岩
1.
The Early Cretaceous andesite in the Liuyang Basin of Fu an City makes a wide distribution in Huangkeng Formation strata and forms into bimodal volcanic rocks with rhyolitic rocks.
福安留洋盆地早白垩世安山岩广泛分布于黄坑组中,与流纹质岩石组成双峰式火山岩,且晚期伴有潜正长斑岩、晶洞碱长花岗岩等偏碱性岩石产出。
2.
The Early Jurassic Yeba bimodal volcanic rocks occur among Lhasa, Dazi and Mozhugongka, with major rocks of metabasalt, basaltic ignimbrite, dacite, silicic tuff and volcanic breccia.
叶巴组早侏罗世双峰式火山岩分布在拉萨、达孜至墨竹工卡之间,岩性为浅变质玄武岩、玄武质熔结凝灰岩、英安岩、酸性凝灰岩及火山角砾岩等。
6)  volcanic butte
火山孤山
补充资料:孤峰

孤峰

竖立在平原上的孤立的石灰岩山峰。它是岩溶平原和溶蚀谷地中常见的地貌形态之一,相对高度100米左右。根据广西的研究,可将孤峰分为三类:在产状水平的纯石灰岩区,多呈圆柱状,边坡很陡,名独秀峰式;在产状水平的非纯石灰岩区,基部大,顶部小,呈圆锥状;在倾斜地层区,山坡一侧陡峭,一侧缓倾,呈单斜状,名老人山式。

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