carboniferous造句
31) The characteristics mentioned above are controlled by the development and evolution of the northern Xinjiang Hercynian geosyncline region of Late Carboniferous age.
32) Bauxite of Sanmenxia area in Henan province is and occurs in Benxi Formation of Middle Carboniferous.
33) The Characteristics of Carboniferous strata and milleral resources in Guangxi were briefly in troducted.
34) The Carboniferous natural gas in eastern Sichuan is of cracked gas which had been accumulated, originally as oil[http:///carboniferous.html], in Liangping-Changshou palaeohigh belt that was formed by Indosinian movement.
35) The gold mineralization is controlled by lower carboniferous volcanic and pyroclastic sedimentary rocks, regional faults and secondary structure.
36) Along the south and north flanks of the Wudang fault apparent changes are observed in the distribution and depositional characters of the Jiujialu, Xiangbai and Jiusi formations (Lower Carboniferous).
37) The Middle Carboniferous period was a main age that the Yilian-habirga crest zone was put together with the Wenquan-Sailimu and the Boluokenu tectonic belts.
38) Much of the petroleum we use today began some 200 million years ago in the Carboniferous Period.
39) The lower part of the Upper Carboniferous Series is called Sixiakou Formation whose definition differ.
40) The Southwest Fujian Depression is on an important development stage in Carboniferous period.
41) The evolution of the lithofacies palaeogeography of the Carboniferous in South China was characterized with succession, development and stage.
42) The research shows that the Lower Carboniferous source rock is the dominating contributor to the natural gas, and the Permian source rock contribution is subordinate.
43) The hills are largely carboniferous limestone, which is quarried at several sites.
44) In order to increase drilling success ratio, the thickness and reservoir of Carboniferous were predicted through model forward by use of the seismic data in combination with synthetic seismogram.
45) This eventually resulted in the oxygen-rich atmosphere of the Carboniferous period around 340 to 280 million years ago.
46) The formation of Dachigan steep structural zone not only generates many fissures in Upper Carboniferous, but also makes the porosity of Upper Carboniferous higher in the core of these anticlines.
47) There are well source - reservoir - cap rock assemblages and suitable petroleum pool - forming conditions in Carboniferous strata.
48) According to space distribution of the sedimentary facies, Longhuo ancient platform was an isolated one, surrounded with troughs in the Carboniferous period.
49) According to conodont , coral and foraminifera fossils discovered, the geological age of this sequence of sedimentary strata is Early Carboniferous.
50) Volcanic eruptive activities occurred from Cambrian to Permian , most intensely in Devonian and Carboniferous.
51) Through the work of 1/50000 regional geological survey and the research of the sedimentary facies in the area, the author systematically sets up sedimentary sequence of Carboniferous period stratum.
52) Upper Jurassic red bed, covering directly on coal-measure strata of Permian and Carboniferous System in Tengxiom-Yanzhou coal bearing Basin, was regarded as a aquifuge in exploration stage.
53) Coal - bearing strata in the Wangguanzhuang exploration area belongs to Permo - Carboniferous North China type coal - bearing formation.
54) The youngest strata intruded by the Kizil Tag intrusion are the Lower Carboniferous Gandun Formation.
55) Upper Carboniferous?lower Permian may be divided into six basic sequences(three order) and 15 system domains , it makes precision of formation classification improved.
56) Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle—lower Carboniferous series as well as lower Jurassic Lishan formation.
57) But the intermediate boundary recommended by the Subcommission on Carboniferous Stratigraphy is based on planktonic organisms, so this boundary in Hunan should be restudied.
58) Chuandong Carboniferous gas reservoirs are widely distributed in the east port of Sichuan Basin.
59) The Tazhong paleo-uplift is a multiple oil-gas accumulation play, and medium-large scale reservoirs have been found in the Carboniferous, Silurian, Ordovician and Cambrian Systems.
60) During Carboniferous period, characteristics of deposition of Aqishan-Huangshan composite terrane that is the eugeosyncline type, are obviously controled by its boundary fault zones.
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