The hills are largely carboniferous limestone, which is quarried at several sites.
从多处遗址的挖掘来看, 这片丘陵大部分属石炭纪石灰岩.
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In Early Carboniferous, Tianshan mountains entered an intraplate evolution stage.
从石炭纪开始天山地区进入陆内演化阶段.
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WHERE HAINAN ISLAND IS IN CARBONIFEROUS - PERMIAN PERIOD?
石炭纪二叠纪的海南岛何在?
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The zimenqiao Formation silicalite of Lower Carboniferous is the country rock of Changkeng Au - Ag deposit.
下石炭统梓门桥组硅质岩是粤西长坑金银矿床的直接容矿岩石.
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Carboniferous, limestone and other minerals rich in resources, especially the River trail known Carboniferous distance.
石炭 、 石灰石等矿产资源丰富, 特别是小道河石炭远近有名.
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Chuandong Carboniferous gas reservoirs are widely distributed in the east port of Sichuan Basin.
川东石炭系气藏广泛地分布于四川盆地东部,已成为主力气藏.
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Coal - bearing strata in the Wangguanzhuang exploration area belongs to Permo - Carboniferous North China type coal - bearing formation.
王官庄探区含煤岩系为石炭—二叠系,属华北型含煤建造,煤系厚度稳定,旋回结构与粒度韵律清晰,且变化有一定规律.
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The Weining age of Carboniferous period in Tongling area is a transgressive one.
铜陵地区石炭纪威宁期存在潮坪相、泻湖相和浅海陆棚相.
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There are well source - reservoir - cap rock assemblages and suitable petroleum pool - forming conditions in Carboniferous strata.
根据石炭系石油地质条件分析,划分出 巴彦浩特 盆地、河西走廊东部、河西走廊西部等3个评价区块.
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The lower part of the Upper Carboniferous Series is called Sixiakou Formation whose definition differ.
上石炭统下部称泗峡口组,重新定义了泗峡口组的含义.
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The metamorphic ages of the eclogites are largely 320～220 Ma ( Carboniferous period to Triassic period ).
榴辉岩的变质年龄集中在320～220Ma ( 石炭纪-三叠纪 ) 之间.
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The South Tianshan range formed end of the Carboniferous orogen was formed under the strong compression.
自石炭纪末,南天山全面遭受挤压抬升形成复杂的造山带,二迭纪开始南天山进入大陆演化阶段.
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"carboniferous rock system"