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火山岩

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The investigation indicates that the Shalagang antimony has osculatingrelationship with the Structure but has no selectivity with the host rock: The ore bodyis controlled by the fault zone, which insert into it as a nervation;The host rockincludes chert, carbonaceous slaty rock, altered diorite , altered diabase and so on. Theore-forming epoch of Shalagang antimony is obviously later than era of the host rock,so it is concluded that the Shalagang antimony maybe formed in the late Himalayan.

研究表明,沙拉岗锑矿床与构造关系密切,而对容矿岩石类型无选择性:矿体主要受控于断裂及层间破碎带;主要容矿岩石有硅质岩、碳质板岩、强蚀变中基性火山岩和蚀变辉绿岩等,并以硅质岩为主;矿床成矿时代明显滞后于容矿岩石时代,据此推断沙拉岗锑矿床可能形成于喜山晚期。

Made up of ancient schist plated with volcanic rock, Ben Nevis is the highest mountain of the British Isles, at 4,406 feet (1,343 meters).

这里是远古时代的片岩和火山岩,本尼维斯山是英国最高的山脉,达到4406英尺(1343米)。

Northeastwards younging of rocks along the northern coast suggests a gradual migration of the volcanic centers in King George Island, which correspond to the regularly distributed time space pattern of the volcanic activities on the South Shetland Islands.

岩石的年龄由南西向北东依次变新,表明乔治王岛的火山活动中心在不断迁移,与整个南设得兰群岛火山岩的时、空分布规律相符。

A solid figure having24equal faces,every three of which correspond to one face of AN octahedron.

这种重力异常和航磁异常相符,其原因可能是有隐伏的火山岩和侵入岩。

This was a small English language bookshop in the town of Oia, on the volcanic island of Santorini, of Greece.

这是一间小小的英文书店,在希腊的火山岩小岛 Santorini 的小镇 Oia 上。

Any of a group of igneous rocks composed mainly of olivine and various pyroxenes and having a granitelike texture.

最常见的凝固火山岩,是一种致密的深灰色火成岩,纹理细密,主要由富钙的斜长石和辉石组成。

During the process from continental margin rifting to ocean spreading and the thrusting of island arc, ophiolite suites and massive sulfide deposits were formed.

由宋叔和先生开创的西北海相火山岩及其黄铁矿型矿床的地质研究事业,在近半个世纪以来有了很大的进步。

The petrochemistry and geochemistry of Mesozoic volcanic rocks mainly indicate the environmental characteristic of distending structure which bears on orogenic belt. The process of the evolution that earth crust keeps thinning reflects that it is still in the time of extruding orogenesis. Only during the intermittence or relaxation stages of extruding orogenesis, the volcanic eruption of neutral rock and acidic rock were formed in the situation of relative distending structure.

中生代火山岩的岩石化学、地球化学特点,主要显示了与造山带有关的拉张构造环境特征,而地壳由薄变厚的演化过程,则反映了该时期仍以挤压造山作用为主,只是在挤压造山作用的间歇或松驰阶段,相对处于拉张构造环境的情况下,形成了中酸性岩的火山喷发。

The heat flow piercement,magma house in crust and volcanic rock overlap in space. The distribution of inorganic carbon dioxide reservoirs relates to above three gas resources. The outgas models of the heat flow piercement and volcano-magma are the main models of gas resources in Songliao Basin.

松辽盆地热流底辟体、壳内岩浆房和火山岩在空间上叠置,且已发现的无机二氧化碳气富集区与这三者密切相关,表明热流底辟体脱气模式和火山—岩浆成因模式是无机成因气主要的"气源"模式。

The shoshonites in Zaxue area of Tibet, including the hypabyssal intrusive quartz-monzonite porphyry and the volcanic rocks of Pana Formation, distribute in the central part of Gangdese magmatic belt.

西藏扎雪地区钾玄岩包括浅成侵入的石英二长斑岩和帕那组的火山岩,分布于冈底斯岩浆弧带中段。

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