冲绳海槽DGKS9603孔细粒沉积物元素组合特征及其意义

熊应乾; 刘振夏

冲绳海槽DGKS9603孔细粒沉积物元素组合特征及其意义

熊应乾¹,
刘振夏²

1.
国家海洋局, 第一海洋研究所, 山东, 青岛, 266061;中国海洋大学, 海洋地球科学学院, 山东, 青岛, 266003
2.
国家海洋局, 第一海洋研究所, 山东, 青岛, 266061

基金项目: 国家自然科学基金资助项目(49776292,49576283,40176018)

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出版历程
- 收稿日期: 2002-04-19
- 修回日期: 2003-09-10

Variations in sediment provenance and its implications of Core DGKS9603 since the late Quaternary

XIONG Ying-qian¹,
LIU Zhen-xia²

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Ocean University of China, Qingdao 266003, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China

摘要

摘要: 通过对冲绳海槽DGKS9603孔柱样高密度取样,提取样品中小于2μm的黏土粒级组分,利用ICP-AES进行常、微量元素含量分析后,再经多种方法处理数据,发现该孔沉积物物源时段分明:距今45～43ka以生物源作用为主,距今43～41ka以火山作用为主,距今41.0～11.2ka以陆源作用为主,距今11.2～0.0ka以生物源作用为主.元素和氧化物含量的垂向变化主要受古气候、古环境变化的影响.DGKS9603孔沉积物元素地球化学特征清晰地记录了E3,YD,H1,LGM,H2,H3,H5七次变冷事件,并表明该孔很可能受到了A,B,C三次火山事件的影响.
- 冲绳海槽 /
- 物源 /
- 古气候
Abstract: After using ICP-AES to analyze clay fraction of the samples of Croe DGKS9603 which was taken from the middle Okinawa Trough, the conclusions are obtained as follows: the down variation of the element contents is caused by the paleoclimate and paleoenvironmental evolution; its material source varies clearly, biogenic source is the major source during 45~43 and 11.2~0 ka BP respectively; volcanic source is dominant during 43~41 ka BP and epicontinental source is the most important provenance during 41~11.2 ka BP.Additionally, the seven cold events E3, YD, H1, LGM, H2, H3, H5 are recorded clearly in Core DGKS9603, and the core is probably influenced by three volcanic events A, B, C.
- Okinawa Trough /
- sediment provenance /
- paleoclimate

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参考文献(24)

陈丽蓉,徐文强,申顺喜,等.冲绳海槽的矿物组合、物质来源及原始岩浆性质的初步探讨[J].海洋与湖沼,1986,17(1):3-12.

郭峰,杨作升,刘振夏,等.末次盛冰期以来冲绳海槽中段粘土粒级沉积物地球化学特征及物质来源的阶段性[J].海洋学报,2001,23(3):177-126.

吴明清.冲绳海槽沉积物稀土和微量元素的某些地球化学特征[J].海洋学报,1991,13(1):75-81.

袁迎如,陈冠球,杨文达,等.冲绳海槽沉积物的特征[J].海洋学报,1987,9(3):353-359.

孟宪伟,王永吉,吕成功.冲绳海槽中段沉积地球化学分区及其物源指示意义[J].海洋地质与第四纪地质,1997,17(3):37-43.

MORTON A C. Heavy minerals in provenance studies[A]. ZUFFA G G. Provenance of Arenites[C]. Boston: D Reidel Publishing Company, 1985. 249-277.

杨守业,李从先,张家强.苏北滨海平原全新世沉积物物源研究——元素地球化学与重矿物方法比较[J].沉积学报,1999,17(3):458-463.

ROLLINSON H R. Using Geochemical Data: Evaluation, Presentation, Interpretation[M]. Harlow, U K: Longman Scientific and Technical Ltd, 1993.

LI Tie-gang, LIU Zhen-xia, HALL Michael, et. al. Heinrich event imprints in the Okinawa Trough: evidence from oxygen isotope and planktonic foraminifera[J]. Palaeogeography, Palaeoclimatology, Palaeoecology, 2001, 176(1-4): 133-146.

LIU Zhen-xia, SERGE Berne, YOSHIKI Saito, et al. Quaternary seismic stratigraphy and Paleoenvironment on the continental shelf of the East China Sea during the Late-Mid Quaternary[J]. Journal of Asian Earth Science, 2000, 18:441-452.

孟宪伟,刘炎光,刘振夏,等.冲绳海槽全新世表层水温、盐度和大气Pco2恢复及其古气候意义[J].科学通报,2002,47(1):1-5.

李培英,王永吉,刘振夏.冲绳海槽年代地层与沉积速率[J].中国科学(D辑),1999,29(1):50-55.

范德江,杨作升,王文正.长江、黄河沉积物中碳酸盐组成及差异[J].自然科学进展,2002,12(1):60-64.

赵一阳,鄢明才.中国浅海沉积物地球化学[M].北京:科学出版社,1994.1-175.

赵一阳,翟世奎,李永植,等.冲绳海槽中部热水活动的新记录[J].科学通报,1996,4l(14):1 307-1 310.

吴世迎.世界海底热液硫化物资源[M].北京:海洋出版社,2000.

LIU Zhen-xia, LI Tie-gang, LI Pei-ying, et. al. The paleoclimatic events and cause in the Okinawa Trough during 50 kaBP[J]. Chinese Science Bulletin, 2001, (46): 153-157.

孟宪伟,杜德文,刘振夏,等.东海近3.5万年来古海洋环境变化的分子生物标志物记录[J].中国科学,2001.(8):831-836

JIAN Zhi-min, WANG Pin-xian, YOSHIKI Saito, et. al. Holocene variability of the Kuroshio Current in the Okinawa Trough, northwestern Pacific Ocean[J]. Earth and Planetary Science Letters, 2000, (184): 305-309.

翦知湣,YOSHIKI.Saito,汪品先,等.黑潮主流轴近两万年以来的位移[J].科学通报,1998,41(5):532-536.

郭正堂,刘东生.最后两个冰期黄土中记录的Heinrich型气候节拍[J].第四纪研究,1996,(1):21-30.

安芷生,波特S,吴锡浩,等.中国中、东部全新世气候适宜期与东亚季风变迁[J].科学通报,1993,38(4):1 302-1305.

周卫健,安芷生.中国黄土高原的¹⁴C年代学[J].黄土-第四纪地质-全球变化,1992,(3):43.

刘振夏,YOSHIKI Saito,李铁刚,等.冲绳海槽晚第四纪千年尺度的古海洋学研究[J].科学通报,1999,44(8):883-887.

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