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单词 Craton
例句
1. Therefore the author Proposed the concept of Hainan Craton.
2. The basin between orogenic belt and craton is called foreland basin.
3. An ovate to circular tectonic basin within a craton. Most intracratonic basins were stuffed; that is , great thicknesses of strata accumulated in them during crustal movement.
4. The early tectonic evolution of craton has been the target topic for continental geology.
5. A commonly cited example of a craton is the Canadian Shield.
6. A craton includes a crystalline basement of commonly Precambrian rock called a shield, and a platform in which flat-lying or nearly flat-lying sediments or sedimentary rock surround the shield.
7. Located in the northern margin of North China craton, Daqingshan-Wulashan district is one of well-developed high-grade metamorphic regions in China.
8. The existence of the undeformed and unmetamorphed Precambrian dike swarms shows that the Precambrian North China Craton had been a rigid plate.
9. The generation of geochemical boundaries was tightly related to inclined combination of plates, as well as craton boundaries resulted in adjustment of lithosphere structure after plate collision.
10. Late Precambrian mafic dyke swarms are extensively developed in the central North China Craton.
11. The researchers measured the magnetic strength of certain rocks found in the Kaapvaal craton of South Africa, a geologic region known to date back more than 3 billion years.
12. Since Mesozoic, the orogenic belt is controlled by an intracontinental orogenic process, and Mesozoic granitic magmatism, mineralization related to them are the result of craton mobilization.
13. NE Sichuan basin went through the transformational history from large fresh water depression basin after inland craton to foreland basin of Daba mountain.
14. Paleozoic Sn polymetallic province in the northern accretionary zones of the craton, where Pb Zn and Sn polymetallic deposits were formed in Paleozoic basins with extensional tectonic background.
15. The Mesozoic intracontinental orogeny of the Yanshan Mountains developed on a weak zone within the craton.
16. The lower Proterozoic Badu Group is one of the oldest metamorphic rock series in the continental margin of Southeast China,() and is an integral part of the early Precambrian Zhejiang-Fujian craton.
17. The dyke (or dike in American English) intrudes through the even older rocks of African craton, the core of oldest rocks forming the continent of Africa.
18. These field and platform areas together constitute a huge European Craton.
19. Permo-Carboniferous was the main period ih the late evolution of craton basin forTarim Plate. its prototype basin was formed in the setting of plate convergence.
20. The prototypes of the monotype basins can further be divided into craton basins, extensional basins and compressional basins.
21. Thick stratum was deposited in the west part of southern North China and the Ordos area during the Late Triassic, when the stable North China Craton turned into circum- Pacific tectonic tract.
22. The crustal structure in the eastern segment of the Central orogenic belt reflects the northward deep intracontinental subduction of the Yangtze craton.
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更新时间:2024/7/9 8:02:55