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Article: Distribution of foraminifera in late quaternary sediments off High Island, Hong Kong

TitleDistribution of foraminifera in late quaternary sediments off High Island, Hong Kong
Authors
Issue Date1991
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Southeast Asian Earth Sciences, 1991, v. 6 n. 1, p. 1-11 How to Cite?
AbstractThe distribution of foraminifera in a borehole off High Island, Hong Kong was investigated to assist Quaternary palaeoenvironmental reconstruction. The results confirmed the existence of an upper and lower marine strata of the Holocene and the last interglacial age respectively, separated by an upper terrestrial stratum of the last glacial age. Diversity and abundance of foraminifera are greater in the upper marine stratum while foraminiferal tests in the lower marine stratum are usually reddish-brown in colour, which is explained by iron-staining during the last glacial low sea-level stand. The latter is underlain by a lower terrestrial stratum and residual soil. The presence of large foraminifera often with broken tests in the upper marine stratum is indicative of a subtropical high energy rocky shore environment during the Holocene period. Unlike previously studied sites in Hong Kong, the present borehole yielded abundant Amphistegina which reflected a sedimentary environment in close proximity to patcy coral reefs. Based on radiocarbon dates obtained elsewhere in Hong Kong, the lower marine stratum is last interstadial in age ranging from ca. 30,000-45,000 yr b.p. However, because of the high elevation of the stratum, palynological and oxygen-isotope evidence, the last interglacial age is considered to be more likely. © 1991.
Persistent Identifierhttp://hdl.handle.net/10722/182397
ISSN
1998 Impact Factor: 0.303

 

DC FieldValueLanguage
dc.contributor.authorYim, WWSen_US
dc.contributor.authorHe, XXen_US
dc.date.accessioned2013-04-29T04:00:00Z-
dc.date.available2013-04-29T04:00:00Z-
dc.date.issued1991en_US
dc.identifier.citationJournal Of Southeast Asian Earth Sciences, 1991, v. 6 n. 1, p. 1-11en_US
dc.identifier.issn0743-9547en_US
dc.identifier.urihttp://hdl.handle.net/10722/182397-
dc.description.abstractThe distribution of foraminifera in a borehole off High Island, Hong Kong was investigated to assist Quaternary palaeoenvironmental reconstruction. The results confirmed the existence of an upper and lower marine strata of the Holocene and the last interglacial age respectively, separated by an upper terrestrial stratum of the last glacial age. Diversity and abundance of foraminifera are greater in the upper marine stratum while foraminiferal tests in the lower marine stratum are usually reddish-brown in colour, which is explained by iron-staining during the last glacial low sea-level stand. The latter is underlain by a lower terrestrial stratum and residual soil. The presence of large foraminifera often with broken tests in the upper marine stratum is indicative of a subtropical high energy rocky shore environment during the Holocene period. Unlike previously studied sites in Hong Kong, the present borehole yielded abundant Amphistegina which reflected a sedimentary environment in close proximity to patcy coral reefs. Based on radiocarbon dates obtained elsewhere in Hong Kong, the lower marine stratum is last interstadial in age ranging from ca. 30,000-45,000 yr b.p. However, because of the high elevation of the stratum, palynological and oxygen-isotope evidence, the last interglacial age is considered to be more likely. © 1991.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_US
dc.relation.ispartofJournal of Southeast Asian Earth Sciencesen_US
dc.titleDistribution of foraminifera in late quaternary sediments off High Island, Hong Kongen_US
dc.typeArticleen_US
dc.identifier.emailYim, WWS: wwsyim@hku.hken_US
dc.identifier.authorityYim, WWS=rp01746en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0026050387en_US
dc.identifier.volume6en_US
dc.identifier.issue1en_US
dc.identifier.spage1en_US
dc.identifier.epage11en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYim, WWS=7007024728en_US
dc.identifier.scopusauthoridHe, XX=16215273800en_US

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