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Titolo:
Quaternary geology and assessment of aggregate resources of Korea for the national industrial resources exploration and development
Autore:
Kim, JY;
Indirizzi:
Korea Inst Geol Min & Mat, KIGAM, Geol Div, Taejon, South Korea Korea InstGeol Min & Mat Taejon South Korea l Div, Taejon, South Korea
Titolo Testata:
QUATERNARY INTERNATIONAL
, volume: 82, anno: 2001,
pagine: 87 - 100
SICI:
1040-6182(2001)82:<87:QGAAOA>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Kim, JY Korea Inst Geol Min & Mat, KIGAM, Geol Div, Taejon, South Korea Korea Inst Geol Min & Mat Taejon South Korea aejon, South Korea
Citazione:
J.Y. Kim, "Quaternary geology and assessment of aggregate resources of Korea for the national industrial resources exploration and development", QUATERN INT, 82, 2001, pp. 87-100

Abstract

Demand for aggregates in Korea, fueled by construction, has increased rapidly in recent years. Quaternary aggregate resources are associated with Holocene alluvial deposits and shallow marine sands, and with fluvial sequences developed during the Late Quaternary. Soil wedge structures developed in palaeosols on river terraces indicate that periglacial conditions prevailedduring oxygen isotope stages 2 and 4. Along the margins of the Yellow Sea,sea level fluctuations involved a drop to - 120 m a.s.l. during the LGM ca. 15,000 yr BP, resulting in the formation of three seismosequences, the uppermost sequence of which contains aggregate sediments. Repetitive episodesof sedimentation along the major river valleys have resulted in the production of fluvial aggregates, preferred by construction engineers. Intensive exploitation of these resources, however, has forced Korea to turn to otherQuaternary deposits for aggregate. (C) 2001 Published by Elsevier Science Ltd.

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Documento generato il 30/03/20 alle ore 09:46:15