火山岩

The Shahejie Formation of the 5th structure in Napu sag is buried deeply.

摘要南堡凹陷5号构造沙河街组地层埋藏深度较大，由火山与沉积构成地层骨架。

The metamorphic grades of Minleh and Changma areas are prehnite-pumpellyite and prehnite-actinolite facies, respectively.

民乐与昌马地区变质火山，变质度分别葡萄石-绿纤石相和葡萄石-阳起石相。

The deformation belts are formed by Late Carboniferous rocks, mainly mylonitization volcanic rocks and volcanic clastic sedimentary rocks.

变形带由下石炭统干墩组组成，棱化火山、火山碎屑沉积。

Kezlag rock formation whose mother rocks are greywacke is basinal deposit, Karakez rock formation's protolith is island arc volcanics.

克孜拉格组原杂砂，属盆地沉积；卡拉格兹组原岛弧火山。

We do the thermoluminescence research systemly for deep volcanic rocks section, this will possibly demarcate eruptible gyration and evolvment character.

4、厚的火山剖面进行系统的热释光研究,可能标定其喷发旋回和演化特征。

Regional volcanic strata are the source of placer gold and laterization process is the main stage of formation of placer gold.

区域火山地层是砂金的矿源，地表赤红壤化可能是砂金形成的主要阶段。

The volcanogenic deposits hosted in differential yolcanic rock series and cogenetic deposits hosted in undifferential baste volcanic rock series have been divided and studied in this paper.

笔者通过研究，分出了分异火山系中的火山成因矿床和未分异基性火山系中的共生矿床，认前者的金属聚集与浆分异有密切关系。

Xiaertai rock group,a set of metamorphic rock system in Xiaertai area,has experienced strong ductilebrittle deformation and then thermal contact metamorphism and dynamometamorphism in the late stage.

经原恢复可将下二台群分三个组：盘岭组，黄顶子组及烧锅屯组，其原建造分别火山建造、碳酸盐建造及碎屑建造。

The kamafugite is a rare type of ultra-potassic rocks, and a rock series contained generally that rock types of alnoite, olivine-melilitite, mafurite, katungite and wugantite and so on.

摘要钾霞橄黄长是种非常稀少的超钾质火山，也是个石系列，包括黄长煌斑、橄榄石黄长、白橄黄长、橄辉钾霞和乌干达等多种石类型。