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Speculating on the origin of Gaultheria, two different hypotheses were suggested, one of Gondwanan origin, and the other of Laurasian origin In the present paper, recent advances in molecular phylogenetics and biogeography of Gaultheria are summarized and some problematical issues within the genus discussed.
关於白珠树属的起源问题存在两种不同的推测：一种观点认为该属起源於南半球的冈瓦纳古陆；另一种观点则认为其起源於北半球的劳亚古大陆。本文概述了近年来白珠树属的分子系统学和生物地理学研究进展，并对该属尚存的一些问题进行了讨论。
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Tarim developed into a backarc basin of Laurasia in the splitting of Pangia.
泛大陆的裂解过程中，塔里木地块成为北方劳亚古陆的边缘弧后盆地。
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Kazakhstan is located in the north of Central Asia, belonging to the southern margin of Laurasia, i.e., the southern margin of Craton and Kazakhstan plates in East Europe. Late Paleozoic continental margin basins, such as the Pre-Caspian Basin, are formed in the region.
哈萨克斯坦位于中亚地区北部，大地构造上属于劳亚大陆南缘，即东欧克拉通和哈萨克板块南部边缘，形成晚古生代大陆边缘盆地，如滨里海盆地。
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Except for HIMU-type OIB with negativeΔ7/4 ratios in the Wandashan massif, all other rocks have positiveΔ7/4 andΔ8/4 values, a feature of the Laurasia continent in the Northern Hemisphere.2 In the southern Hinggan Mountains distributes a Cretaceous felsic igneous rock belt characterized by highly positive-ε_ T_(DM = 0.42～0.64Ga,ε_ =+4.0～+5.9 and radiogenic Pb ~(206Pb/~(204)Pb = 18.36 ~ 18.56 isotope compositions.
除完达山外来拼贴地体的HIMU型OIB具有负的△7/4值，东北地区中生代火成岩都为正的△7/4和△8/4值，显示出亲北方劳亚大陆的岩石圈属性。2在大兴安岭南区林西-霍林河地区存在一条近似平行索伦-贺根山-小兴安岭古缝合带的高ε_早白垩世中酸性火山岩组合。
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1:250000 geological mapping has further revealed the mysteries of the tectonics of the Qinghai-Tibet Plateau. The Altun Mountains are not of the Tarim massif, but a part of the Kunlun-Qilian-Qinling orogenic system; the Altun fault is a large transform fault; the Muztag-Maqên suture zone and Jinshajiang suture zone are both Variscan ones; the Songpan-Garzê area in the Triassic was a huge turbidite basin on the southern margin of Laurasia; the Gangdise belt underwent the important Indosinian orogenic movement; an ocean basin that persisted from the Paleozoic to Triassic did not exist, i.e. the so-called Paleo-Tethys or permanent Tethys was not in existence in the Qinghai-Tibet Plateau. In the Paleozoic, most parts of China, including the Sino-Korean, Yangtze and Tarim massifs and the Qinghai-Tibet Plateau, were located in south of the main ocean basin—the Central Asian-Mongolian sea way—of the Paleo-Asia ocean, belonging to the northern margin of Gondwana. The Yarlung Zangbo and Bangong -Nujiang belts were twins in the Tethyan Ocean, which began to develop into two ocean rift belts in the Triassic. The Tethyan Ocean with the Yarlung Zangbo belt as the main ocean basin belt began to be subducted in the Late Triassic and experienced a process of pulsatory plate convergence orogeny including the Indosinian, Yanshanian and Himalayan stages.
1：25万地质填图进一步揭开了青藏高原地区大地构造的奥秘：阿尔金山是昆仑，祁连-秦岭造山系的一部分；阿尔金断裂确是一条大型转换断层；木孜塔格-玛沁缝合带和金沙江缝合带均是华力西缝合带；松潘甘孜三叠系沉积盆地是劳亚大陆南部边缘的浊积岩盆地；冈底斯带曾经历了重要的印支造山运动；不存在从古生代延续到三叠纪的大洋盆地，即不存在所谓古特提斯或永久特提斯；古生代时期，在青藏高原地区亦不存在具古生物，古地理分隔意义的大洋盆地，当时，包括中朝，扬子，塔里木以及青藏高原地区在内的中国大部分均位于古亚洲洋主洋盆——中亚-蒙古带之南，属冈瓦纳大陆结构复杂的北部边缘；雅鲁藏布江和班公湖-怒江带是特提斯洋中的孪生姊妹，它们均是从三叠纪起就发展成大洋裂谷带的；以雅鲁藏布江带为主洋盆带的特提斯洋，从三叠纪晚期开始消减，经历了印支，燕山，喜马拉雅3个阶段脉动式板块汇聚造山过程。
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Speculating on the origin of Gaultheria, two different hypotheses were suggested, one of Gondwanan origin, and the other of Laurasian origin.
关于白珠树属的起源问题存在两种不同的推测：一种观点认为该属起源于南半球的冈瓦纳古陆；另一种观点则认为其起源于北半球的劳亚古大陆。
- 更多网络解释与劳亚古大陆相关的网络解释 [注：此内容来源于网络，仅供参考]
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Laurasia：劳亚古大陆
在一亿八千万前(此条目假设的时钟下午11时3分),盘古大陆分裂为劳亚古大陆(Laurasia)与冈瓦纳大陆(Gondwana). 鸟类与非鸟类恐龙的分界并不清晰,但始祖鸟这一传统上被认为是首种鸟类的动物,则在一亿五千万年前生活着(此条目假设的时钟的下午11时12分).
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laureate：荣誉的
Laurasia 劳亚古大陆 | laureate 荣誉的 | laureateship 桂冠诗人
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lauraldehyde：樟醛
lauraceous 月桂科属的 | lauraldehyde 樟醛 | Laurasia 劳亚古大陆