carboniferous造句
61) The Xinjiang area was characterized by tropical-subtropical climate in the Devonian, and obviously climatic zonation in the Carboniferous due to the global climatic change.
62) Taoyuan gold deposit locates in impurity carbonate rock containing volcanic materials of Lower Carboniferous, lower rock formation, littoral- neritic facies.
63) On the basis of logging and drilling data, the Lower Carboniferous can be divided into 2 second grade sequences and 6 third grade sequences.
64) The last of the six periods of the Paleozoic era , it follows the Carboniferous period.
64)try its best to gather and create good sentences.
65) In the Ordovician, Silurian Period, the Devonian, Carboniferous, the advent of low amphibians and ancient ancient reptiles.
66) The Bed G bauxite of Shanxi massif, a paleoresiduum bauxite underlying Bangou Formation of Upper Carboniferous, occurs on the fossil erosion surface of Middle Ordovician of Upper Cambrian.
67) We study the geology evolution of Houxia - Bogda region in Carboniferous period as a basin.
68) Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in Lower Jurassic, lower part of Middle Jurassic and Lower Cretaceous are the best source rocks.
69) Besides, the oringin of the mixed sedimentitation of the Upper Carboniferous is discussed.
70) In Early Carboniferous, Tianshan mountains entered an intraplate evolution stage.
71) The biota of Upper Carboniferous is dominated by fusulinid and secondly by brachiopod and coral with flourished fossil plants in the lower pail.
72) The metamorphic ages of the eclogites are largely 320～220 Ma ( Carboniferous period to Triassic period ).
73) The two early Carboniferous fragments are composed of Basalt and ash-black, fuchsia radiolaria silicalite, siliceous mudstone, tuff.
74) Coal measures of Middle and Upper Carboniferous in North China contain abundant conodonts, but their occurrence at various localities is different.
75) The Weining age of Carboniferous period in Tongling area is a transgressive one.
76) Geological and geochemical characteristics show that they are formed in back-arc environment, matching Carboniferous pillow lava from Jianshui area.
77) Carboniferous:Of, belonging to, or denoting a geologic division of the Paleozoic Era following the Devonian and preceding the Permian.
78) Recently some Brachiopoda, coral, gastropoda, phytolite is identified by Nanjing Institute of Geology and Palaeontology China Academy of Sciences. The age belongs to Late Carboniferous epoch.
79) During the deposition of the Benxi Formation of Carboniferous, four cycles of relative sea level changes could be identified based on the study of sedimentary facies and community palaeoecology .
80) The Devonian and Carboniferous strata of Novaya Zemlya can be generally divided into the Barents and Kara facies zones.
81) The Tianshan rift-related volcanic rocks make up a large igneous province erupted during the Carboniferous. Early Permian period in northwestern China.
82) The Carboniferous period saw the appearance of the first extensive forests on Earth.
83) The main Mg-carbonate body is hosted by Carboniferous limestone and dolomitic limestone, while footwall black schists contain thin carbonate lenses replaced by Fe-carbonates.
84) As a result, the upper Carboniferous carbonate reservoir of the margin of the Pre-Caspian basin is the most promising hydrocarbon reservoir and it is expected to find more oil and gas reserves there.
85) After the formation of coal-series of Carboniferous and Permian Period. the basin was undergone by the strong Yenshan movement and the coal-formed gas had been seriously destroyed.
86) The Permo Carboniferous coal bearing measures mainly occur in the fault depression of Luxi uplifted area and in Jiyang sag in Shandong.
87) Fractal theory was used in this paper, and fractal feature of grain distribution of sandstone in coal-bearing strata in Permo Carboniferous System was studied.
88) The allochthon consists of the Presinian, Sinian and Cambrian system. The autochthon comprises the Devonian and Carboniferous system.
89) The Dingjiazhai Formation and its overlying Woniusi Formation in the Baoshanregion were referred to as Upper Carboniferous(the Maping Stage ) by predecessors.
90) In Early Carboniferous karst peneplain of Central Guizhou there were a lot of karst negative forms, for example karst basin, karst depression.
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