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Article: Stratigraphy of quaternary offshore sand and gravel deposits in the Hong Kong SAR, China

TitleStratigraphy of quaternary offshore sand and gravel deposits in the Hong Kong SAR, China
Authors
Issue Date2001
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quaint
Citation
Quaternary International, 2001, v. 82, p. 101-116 How to Cite?
AbstractThe mining of Quaternary offshore sand and gravel deposits in the Hong Kong Special Administrative Region (SAR) down to a depth of about 60 m below the present sea level has yielded an estimated 350 million m3 to date. Three main types of deposits have been identified: (1) intertidal and near-shore subtidal deposits at the mouth of major streams formed by the reworking of pre-Holocene colluvial-alluvial fans; (2) alluvial deposits of last glacial and/or earlier glacial periods buried by Holocene and/or earlier interglacial marine deposits, and (3) last interglacial marine deposits reworked during the Holocene transgression. The first two types of deposits commonly occur in areas with or adjacent to granitic bedrock. These deposits were formed by the selective transport of deeply weathered granitic residual soils by fluvial processes. The third type of deposit includes calcareous shell remains, often showing signs of dissolution. Eustatic sea-level changes dating back to approximately 440,000 yr BP were responsible for the Quaternary succession. Palaeo-desiccated crusts formed by acid-sulphate soil development of the exposed interglacial marine deposits during glacial low sea-level stand(s) are found to be useful stratigraphic markers in assisting interpretation. © 2001 Elsevier Science Ltd and INQUA. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/182406
ISSN
2015 Impact Factor: 2.067
2015 SCImago Journal Rankings: 1.123
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYim, WWSen_US
dc.date.accessioned2013-04-29T04:00:02Z-
dc.date.available2013-04-29T04:00:02Z-
dc.date.issued2001en_US
dc.identifier.citationQuaternary International, 2001, v. 82, p. 101-116en_US
dc.identifier.issn1040-6182en_US
dc.identifier.urihttp://hdl.handle.net/10722/182406-
dc.description.abstractThe mining of Quaternary offshore sand and gravel deposits in the Hong Kong Special Administrative Region (SAR) down to a depth of about 60 m below the present sea level has yielded an estimated 350 million m3 to date. Three main types of deposits have been identified: (1) intertidal and near-shore subtidal deposits at the mouth of major streams formed by the reworking of pre-Holocene colluvial-alluvial fans; (2) alluvial deposits of last glacial and/or earlier glacial periods buried by Holocene and/or earlier interglacial marine deposits, and (3) last interglacial marine deposits reworked during the Holocene transgression. The first two types of deposits commonly occur in areas with or adjacent to granitic bedrock. These deposits were formed by the selective transport of deeply weathered granitic residual soils by fluvial processes. The third type of deposit includes calcareous shell remains, often showing signs of dissolution. Eustatic sea-level changes dating back to approximately 440,000 yr BP were responsible for the Quaternary succession. Palaeo-desiccated crusts formed by acid-sulphate soil development of the exposed interglacial marine deposits during glacial low sea-level stand(s) are found to be useful stratigraphic markers in assisting interpretation. © 2001 Elsevier Science Ltd and INQUA. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/quainten_US
dc.relation.ispartofQuaternary Internationalen_US
dc.titleStratigraphy of quaternary offshore sand and gravel deposits in the Hong Kong SAR, Chinaen_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.doi10.1016/S1040-6182(01)00012-Xen_US
dc.identifier.scopuseid_2-s2.0-0034803358en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034803358&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume82en_US
dc.identifier.spage101en_US
dc.identifier.epage116en_US
dc.identifier.isiWOS:000171249900008-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridYim, WWS=7007024728en_US

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