| 浙江象山爵溪镇下沙中全新世海滩岩中热带贝类初步研究 |
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| 引用本文： | 江大勇,杨守仁.浙江象山爵溪镇下沙中全新世海滩岩中热带贝类初步研究[J].北京大学学报(自然科学版),1995,31(2):229. |
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| 作者姓名： | 江大勇 杨守仁 |
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| 作者单位： | 北京大学地质学系，北京，100871 |
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| 摘 要： | 本文报道了浙江省象山县爵溪镇下沙中全新世海滩岩中的部分热带贝类，计有８属９种。这一动物群的现生种均生活于热带海域的潮间带及潮下带。研究结果表明该区海滩岩是迄今发现的拥有大量热带生物的最北面的海滩岩，进一步证实了海滩岩是热带海洋的产物，以及浙江沿海地区中全新世时的气候与现代气候有很大差别，这对古气候变迁的研究具有重要意义。
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| 关 键 词： | 热带贝类 海滩岩 中全新世 浙江省 |
| 收稿时间： | 1993-07-12 |
A Preliminary Study on Tropical Conchology Of Mid -Holocene Beachrocks,Xiasha,Juexi Town Xiangshan County,Zhejiang Province |
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| JIANG Dayong,YANG Shouren.A Preliminary Study on Tropical Conchology Of Mid -Holocene Beachrocks,Xiasha,Juexi Town Xiangshan County,Zhejiang Province[J].Acta Scientiarum Naturalium Universitatis Pekinensis,1995,31(2):229. |
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| Authors: | JIANG Dayong YANG Shouren |
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| Institution: | Department of Geology, Peking University, Beijing, 100871 |
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| Abstract: | The tropical conchological fauna( 8 genera and 9 species:Arca navicularis Bruguiere, 1792,Arca semitorta Lamarck, 1819,Anadara antiquata Linnaeus, 1758,Lima sp. ,Chlamys pica(Reeve), 1853,Donax cuneatus Linnaeus, 1758,Cardita var-iegata Bruguiere, l792, Umbonium vestiarium(Linnaeus ), l758, Conus striatus Lin-naeus ,1758) of Mid-Holocene beachrocks was first found at Xiasha,Jtiexi town,Xi-angshan county, Zhejiang province. Results of the study indicate that Zhejiang province belonged to Tropical Climate Zone between 3420 aBP and 6080 aBP, and prove that beachrocks are formed at intertidal zone of tropical sea. The work bears great significance in the study of global change. |
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| Keywords: | tropical conchology beachrock Mid-Holocene Zhejiang province |
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