The K-Ar isotope age of albite phenocryst in albitophyre vein is 372Ma,while that of the ground mas.
钠长斑岩中钠长石的K-Ar年龄为372Ma,基质年龄为337Ma。
Characteristics of Qoima orthophyre in central Qiangtang and its tectonic significance;
羌塘中部雀莫正长斑岩体特征及构造意义
The metallogenetic geologilcal condition of the orthophyre contact zone in YanJia during the Ximalaya period is analysed in this paper.
通过对喜山期岩甲正长斑岩接触带成矿地质条件进行的分析,认为岩甲正长斑岩的接触带及其旁侧构造裂隙系统具备形成金矿的有利条件。
The protolish of host rocks and near deposits wall rocks of the orthophyric tectonic altered rock type gold deposits was the orthophyre.
正长斑岩构造蚀变岩型金矿容矿岩石和近矿围岩的原岩属正长斑岩,它先后发生糜棱岩化,角砾岩化、碎裂岩化,加上后期多种蚀变作用的叠置,使其变得较为复杂。
The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence.
从岩体的岩性、时代、产状等方面,论证了八宝山煤矿北部的正长斑岩体为一岩盖,下部找煤前景可观,可在井下实施巷探和定向钻探找煤,以延长矿井寿
The Rock Geochemistry Characteristics and Tectonic Implications of Mafic Dyke Swarms and Syenite Porphyry Veins in Zhenba Eastern Area, the South of Shaanxi Province
陕南镇巴东部地区基性岩墙群和正长斑岩脉的岩石地球化学特征及其构造意义
The Geochronological Studies of Liuhe Diopside-syenite-porphyry of Heqing County in Dianxi, SW China and Its Geological Implications;
滇西鹤庆县六合透辉石正长斑岩的同位素年代学研究及其构造意义
tholeiitic gabbro
拉斑玄武岩质辉长岩
feldspar porphyry dyke
斑状长石岩墙〔岩脉〕
blastoporphyritic leptite
变余斑状长英麻粒岩
Of or containing porphyry.
斑岩的斑岩的,含斑岩的
A dark igneous porphyry embedded with feldspar crystals.
暗玢岩嵌有长石晶体的黑色火成斑岩
A fine - grained granite porphyry having a groundmass with irregular intergrowths of quartz and feldspar.
花斑岩一种细晶的花斑岩,带有不规则交生的石英和长石的基质
THE FEATURES OF LIANHUATANG LEUCITI-TIC ALNOITE IN ANYUAN COUNTY,JIANGXI
江西安远莲花塘白榴黄长煌斑岩特征
The amphibolite and basic granulite may be comparable to the world's metamorphic tholeiite.
斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比.
This implies that the liquid immiscibility in felsic magma can directly induce the formation of porphery deposit.
这意味着长英质岩浆中的液态不混溶可直接导致斑岩矿床的形成。
Rock containing relatively large conspicuous crystals, especially feldspar, in a fine - grained igneous matrix.
斑岩含有嵌入致密的合成基质的相对较明显的长石晶体的岩石
Nd-and Sr-Isotope Study on Greenschist and Granodiorite of the Bainaimiao District,Inner Mongolia,China Nie Fengjun Pei Rongfu
内蒙古白乃庙地区绿片岩和花岗闪长斑岩的钕和锶同位素研究
The Petrogenesis of Tuwu Plagiogranite Porphyry from East Tianshan:Evidence from Wallrock
东天山土屋斜长花岗斑岩的成因——来自围岩的证据
Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions.
煌斑岩任一种含有长石和铁镁矿物中型的黑色岩石,呈现为岩脉或侵入岩
Metamorphic rock having porphyritic texture.
残斑岩具斑岩状结构的变质岩
tholeiitic dolerite
拉斑玄武岩质粒玄岩
Spilite-keratophyre sequence is generally divided into spilite, keratophyre and quartz keratophyre.
细碧—角斑岩系一般分为细碧岩、斑岩和石英角斑岩三类。
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