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Diagenetic Responses to Sea Level Changes on Pleistocene-Holocene Carbonates in the Celebes Sea, East Sabah, Malaysia

N. Syazwani B.J. Pierson, A.W. Hunter, . (2013) Diagenetic Responses to Sea Level Changes on Pleistocene-Holocene Carbonates in the Celebes Sea, East Sabah, Malaysia. Diagenetic Responses to Sea Level Changes on Pleistocene-Holocene Carbonates in the Celebes Sea, East Sabah, Malaysia .

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Official URL: http://www.earthdoc.org/publication/publicationdet...

Abstract

Limestones are particularly susceptible to drastic early diagenetic modifications, either during or shortly after deposition or during periods of subaerial exposure. Tracing the depth to which the vadose zone penetrated along the sea level notch-opening and combining petrographic results, stable isotope data and carbon-14 dating, studies from the limestones, i.e. beachrock, marine hardground and elevated reef limestone in the Celebes Sea, east of Sabah, Malaysia suggest that the sea level fluctuated approximately ~ 1.0 m above/below modern MSL in Holocene. Blocky calcite mosaic with meniscus fabric from elevated reef islands that have been already exposed between 32,845 and 20,770 years BP, gives depleted values for δ18O and δ13C, suggesting a mixing between an original signature and a soil-derived meteoric signature and meteoric water in origin.

Item Type:Article
Subjects:Q Science > QE Geology
Academic Subject One:Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Departments / MOR / COE:Departments > Geoscience & Petroleum Engineering
ID Code:12240
Deposited By: Ahmad Suhairi
Deposited On:07 Jun 2017 00:32
Last Modified:07 Jun 2017 00:32

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