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The isotopic composition of carbon in the Alberta oil sand

Authors
Journal
Geochimica et Cosmochimica Acta
0016-7037
Publisher
Elsevier
Publication Date
Volume
43
Issue
9
Identifiers
DOI: 10.1016/0016-7037(79)90150-9

Abstract

Abstract The carbon isotopic ratios obtained from Athabasca bitumen, asphaltene and maltene have the same value δ 13 C = −29.6 per ml . The corresponding values in the Cold Lake deposits are −30.6, −30.0 and −31.6 per ml. The ratios determined for methane collected from the oil sand and its fractions are about 15 per ml lower than the above values. It appears that the Athabasca and Cold Lake Reservoirs have similar histories.

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