Dobner, Albert; Graf, Wolfgang; Hahn-Weinheimer, Paula; Hirner, Alfred:

Stable carbon isotopes of graphite from Bogala Mine, Sri Lanka.

In: Lithos (Lithos), Jg. 11 (1978) ; Nr. 3, S. 251-255
ISSN: 0024-4937
Zeitschriftenaufsatz / Fach: Chemie
The ratios of the C isotopes 13C and 12C of 24 graphite [7782-42-5] samples from Bogala Mine, Sri Lanka were detd. The graphites are isotopically very similar (mean value -7.76.permill. d13CPDB; range <2.permill.). Three models for the biogenic or abiogenic origin of the graphite deposit are discussed.

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