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- The Mg-rich volcanic rock(pyroxene andesite) is also found in the Baitashan Formation of Middle Devonian series of the Saerbulake area, whixh is a typical boninite formed in the forearc setting. 沙尔布拉克中泥盆统北塔山组中也含有富镁火岩-辉石安山岩,它是典型的玻镁安山岩,其形成环境为前弧。
- pyroxene andesite 辉安山岩
- Top gray from andesite composition. 顶端灰白色,由安山岩组成。
- An igneous rock consisting chiefly of pyroxene and nepheline. 霞岩主要由辉石和霞石组成的火成岩
- It's main mineral is jadeite with some amphibole and pyroxene. 显微结构以粒状镶嵌变晶结构为主;
- What part of olivine, pyroxene, and amphibole don't you understand? |橄榄石 辉石 闪石 不懂哪个?
- The REE distribution pattern of the Xihu lake is similar to that of andesite. 西湖沉积物稀土分布模式与安山岩相似。
- Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups. 翡翠由辉石族、角闪石族、长石族矿物组成。
- Very limited information has been reported concerning andesite weathering. 摘要迄今对安山岩之风化过程研究资料之报导仍有限。
- As magma cools, the first minerals to crystallize are olivine and pyroxene, which are rich in iron and magnesium. 随著岩浆冷却,首先结晶出的矿物是橄榄石和辉石,富含铁和镁。
- The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz. 火成岩的碎块成分主要为石英岩、岩、麻岩、武岩、山岩和流纹岩.
- A light green, monoclinic pyroxene mineral, CaMgSi2O6, used as a gemstone and refractory. 透辉石一种淡绿色,单斜晶辉石矿,CaMgSi2O6,用作宝石或耐火材料
- A usually coarse-grained igneous rock composed chiefly of calcic plagioclase and pyroxene. 辉长岩一种主要由石灰生斜长岩和辉石构成的通常质地粗糙的火成岩
- Parental magmas are somilar, in composition, to that of high-Al basalt and( or) basaltic andesite. 原始岩浆的成分类似于高铝玄武岩和()武质安山岩。
- A dark-gray to black, fine-textured igneous rock composed mainly of feldspar and pyroxene and used for monuments and as crushed stone. 辉绿岩一种贝岩,颜色深灰至黑,带有细微网纹,主要由长石和辉石构成,用作纪念碑或碎石块
- The effect of growth fracture of Abei Andesite reservoir on oilfield development. 阿北安山岩油藏裂缝发育特征对开发的影响。
- Pyroxene is exclusively diopsidic augite, with a composition relatively close to the diopside-hedenbergite join. 所有辉石是透辉石质普通辉石,其成分相对近于透辉石--镁铁辉石。
- Geochemical properties of the variolitic andesite from Susong in the Dabie orogenic belt, China. 大别造山带宿松球颗结构安山岩的地球化学特征。
- Magnesium olivine and pyroxene are silicate minerals formed at high temperatures, and they were found in substantial numbers among the Wild 2 samples. 镁橄榄石和辉石是在高温环境中形成的硅酸盐物质,在“怀尔特2”样品中发现不少。
- A green,brown,or black splintery,cleavable pyroxene mineral,essentially(Fe,Mg)2Si2O6. 紫苏辉石一种绿色的,棕色的,或黑色的易裂可切开的矿石,主要成分(Fe,Mg)