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Speleothem organic acid luminescence intensity ratios: A new palaeoenvironmental proxy

Lookup NU author(s): Dr Andrew Baker, Lucy Bolton


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One area of recent speleothem research has been the analysis of luminescence variations. Here we present luminescence data for the dominant luminescence centre (excitation wavelength 330 to 390nm; emission wavelength 390 to 460nm). For many speleothems this peak can be resolved into two luminescence maxima. Data presented here, from a variety of speleothems and a wide range of cave locations, suggest that in many cases the ratio of luminescence intensity of these two luminescence intensity sub-centres can provide a more sensitive record of luminescence variations. Also, in some cases, it can provide a palaeoenvironmental proxy. © British Cave Research Association, 2000.

Publication metadata

Author(s): Baker A, Bolton L

Publication type: Article

Publication status: Published

Journal: Cave and Karst Science

Year: 2000

Volume: 27

Issue: 3

Pages: 121-124

Print publication date: 01/12/2000

ISSN (print): 1356-191X

ISSN (electronic):

Publisher: British Cave Research Association