全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

东海陆架HY126EA1孔沉积物稀土元素地球化学

, PP. 127-132

Keywords: 东海陆架,HY126EA1孔,稀土元素

Full-Text   Cite this paper   Add to My Lib

Abstract:

HY126EA1孔沉积物稀土元素总量(∑REE)变化范围不大,分布范围为123.45~187.12μg/g,平均值为164.07μg/g,接近于全球沉积物平均稀土元素含量(150~300μg/g)的下限,高于黄海、东海表层沉积物的平均含量,低于渤海、南海表层沉积物的平均含量.各类沉积物以及不同时期同类沉积物的稀土元素标准化曲线的变化趋势非常一致,表明这些沉积物具有相同的物源区.∑REE,δEu和δCe在垂向上具有明显变化,反映了沉积物源区气候环境的阶段性变化.

References

[1]  王贤觉,陈毓蔚,雷剑泉,等.东海大陆架海底沉积物稀土元素地球化学研究[J].地球化学,1982,(1):56~65.
[2]  刘岩,张祖麟,洪华生.珠江口伶仃洋海区表层沉积物稀土元素分布特征及配分模式[J].海洋地质与第四纪地质,1999,19(1):103~107.
[3]  MARTINSON D, PIASIAS N G, HAYS J D, et al. Age dating and the orbital theory of theice ages: development of a highresolution 0 to 300 000-year chronostratigraphy. QuaternaryResearch, 1987, 27: 1~29.
[4]  王中刚,于学元,赵振华,等.稀土元素地球化学[M].北京:科学出版社,1989.88~93.
[5]  BALASHOV Yu A,RONOV A B, MIGDISOV A A, et al. The effect of climate and faciesenvironment on the fractionation of the rare earths during sedimentation[J]. Geochem Iht,1964, 10:995~1 014.
[6]  MARTIN J M, HφGDALO, PHILIPOTT S C. Rare earth elements supply to the ocean[J]. JGeophysRes, 1976, 81:3 119~3124.
[7]  赵一阳,王金土,秦朝阳,等.中国大陆架海底沉积物中的稀土元素[J].沉积学报,1990,8(1):37~43.
[8]  HASKIN L A.Rare earth elements in sediments[J]. J Geophys Res, 1966, 71(24): 6091~6105.
[9]  NESBITT H W. Mobility and fractionation of rare earth elements during weathering ofa grnnodiorite[J]. Nature, 1979,279: 206~210.
[10]  FLEET A J. Aqueous and sedimentary geochemists of the rare earth elements.Henderson P, ed. Rare Earth Element Geochemistry[M]. Amsterdam: Elsevier Publishers, 1984.343~373.
[11]  HφDAL O T, MELSON S, BOWEN V T. Neutron activation of lanthanide elements in seawater[J]. Adv Chem Ser,1968, 73:308~325.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133