Selby, D. and Creaser, R. A. (2005) 'Direct radiometric dating of hydrocarbon deposits using Rhenium-Osmium isotopes.', Science., 308 (5726). pp. 1293-1295.
Rhenium-osmium (Re-Os) data from migrated hydrocarbons establish the timing of petroleum emplacement for the giant oil sand deposits of Alberta, Canada, at 112 ± 5.3 million years ago. This date does not support models that invoke oil generation and migration for these deposits in the Late Cretaceous. Most Re-Os data from a variety of deposits within the giant hydrocarbon system show similar characteristics, supporting the notion of a single source for these hydrocarbons. The Re-Os data disqualify Cretaceous rocks as the primary hydrocarbon source but suggest an origin from older source rocks. This approach should be applicable to dating oil deposits worldwide.
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|Publisher Web site:||http://dx.doi.org/10.1126/science.1111081|
|Record Created:||16 Feb 2007|
|Last Modified:||12 Aug 2010 11:55|
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