volcanics

volcanics

美 　英

• 网络火山岩；近地表火成岩；北宀

例句

There exists an extended set of early Triassic intermediate-acid volcanics closely related to microdot gold ore in Southwestern Guangxi.

桂西南广泛发育一套与微粒型金矿密切相关的早三叠世中酸性火山岩。

The different origin leads to different metallogenic characteristics of metal minerals associated with the volcanics.

由于两类火山岩的成因不同，与它们相关的金属矿产成矿特征也有明显的差异。

Volcanics mainly growth gas pocket, primary rift and secondary rift, The secondary porosity of clastic rocks is much more developed.

火山岩储层主要发育气孔、原生裂缝、次生裂缝；碎屑岩则以次生孔隙为主。

Studies show that bimodal volcanics constitute the most favorable host rock association for volcanogenic massive sulfide deposits.

整理结果表明，双峰式火山岩是火山成因块状硫化物矿床的最佳含矿岩石组合；

Blind explosive breccias and welded volcanics belong to breccia-bearing lavas in the classification.

隐爆角砾岩和具熔结结构的岩石均属于火山碎屑熔岩类。

Firstly, the volcanics and shaly sand were separated with FMI static images and conventional logging data.

首先利用FMI静态图像和常规测井曲线将砂泥岩与火山岩区分开来；

The clastic sediments are predominantly derived from the felsic volcanics, some basic to intermediate volcanics and minor sediments.

碎屑沉积物主要源于长英质火山岩，同时还有部分中基性火山岩及少量的沉积岩。

Rock fragments , including volcanics , are common, and the matrix consists largely of kaolin and illite .

常见有岩石碎块，包括火山岩屑，基质大部分为高龄土和伊利石。

The volcanics are most commonly andesitic in composition.

火山岩的组成最通常是安山岩。

The Gacun deposit is a typical massive sulfide deposit associated with Late Triassic seafloor calc-alkaline felsic volcanics (VHMS).

呷村矿床是一个与晚三叠世海相钙碱性酸性火山岩系有关的典型块状硫化物（VHMS）矿床。

It is thought that Mesozoic volcanics exist extensively in this area and have the probability of forming buried hill reservoirs.

结果认为，该区广泛存在中生界火山岩并有形成古潜山油气藏的可能。

Its host rock is picritic volcanics , which is different from other volcanic rocks related to iron(copper) ore deposit.

其赋矿围岩为苦橄质火山岩，区别于与火山岩相关的各类铁（铜）矿。

Metallogenic model and prospecting-exploration direction of some volcanics-type uranium deposit in Zhejiang and Jiangxi provinces

浙赣若干火山岩型铀矿床成矿模式及找矿勘探方向

the desulfurization of metamorphic basic volcanics provided the sulfur source for gold mineralization;

变质基性火山岩的去硫作用提供了金矿化的硫源；