Heavy minerals and detrital fission-track thermochronology. heavy minerals and detrital fission-track thermochronology

Carter, Andrew (2007) Heavy minerals and detrital fission-track thermochronology. heavy minerals and detrital fission-track thermochronology. Developments in Sedimentology 58 , pp. 851-868. ISSN 0070-4571.

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Official URL: http://dx.doi.org/10.1016/S0070-4571(07)58033-7

Abstract

Heavy minerals provide key constraints on sediment provenance by describing the composition of a source terrain, documenting changes in source or deeper levels of exhumation. Fission-track analysis of detrital apatite and zircon provides complementary information on timing and rates of source exhumation that helps place heavy mineral evidence within a temporal framework. While combined heavy mineral—fission-track analyses strengthen provenance studies, the effects of lithological bias, small datasets and non-uniqueness of fission-track ages (and thermochronometric ages in general) can limit or hinder interpretation. Using examples these issues are discussed and new approaches are presented that link high precision geochemical data from single detrital grains with sediment composition and detrital age structure. Combined geochemical and isotopic signatures extracted from single grains permit more detailed resolution of source composition and evolution that strengthen the role of heavy mineral studies and fission-track thermochronometry.

Metadata

Item Type:	Article
School:	School of Science > Earth and Planetary Sciences
Depositing User:	Sarah Hall
Date Deposited:	15 Jul 2019 15:33
Last Modified:	15 Jul 2019 15:33
URI:	https://eprints.bbk.ac.uk/id/eprint/28117

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