The southern China is a part of the hydrocarbon-enriched belt of the Tethyan region, where abundant hydrocarbon resources were supplied with the primary deposits.

中国南方是全球特提斯巨型油气富集带的组成部分，原始沉积提供有丰富的烃源。

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By the study of the feature of alluvial gold conjuncture, its haul distance was determined, the types of its Primary deposits assessed and the target area for ProsPecting Primary deposit defined.

介绍了研究砂金连生体特性，借以确定砂金的搬运距离、判断原生金矿床类型并进行预测，以及确定原生金矿靶区的应用范例。

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Primary and cumulated type bauxite deposits occur in the western Guangxi district, there is a relationship between these two type bauxite deposits.

桂西铝土矿有原生沉积型和堆积型两种矿床类型，它们关系密切。

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Opposition to natural gas development using high-volume hydraulic fracturing, or fracking, to tap gas-rich shale deposits has been the primary focus of environmental groups in New York for years.

WSJ: NY town of 9/11 workers wages gas pipeline fight

Tata, which mines all the iron ore and coal it needs, now aims to carry out primary steel production close to its iron-ore deposits, and then ship semi-finished steel for finishing close to foreign consumer markets.

ECONOMIST: Why the Tata-Corus deal makes sense for both parties

It has 33% of the country's deposits and a 30% share of the primary market in government securities.

FORBES: Is There Anything Left To Buy?