Abstract

Oil shale beds from the Stellarton Basin, Nova Scotia were characterized using macroscopic and microscopic fluorescence properties of the organic material and by Rock-Eval analysis techniques. Results from image analyses show that the distinct fluorescing layering observed when the rocks were irradiated with ultraviolet light is related to differences in alginite contents contained in the oil shales. Comparison with Rock-Eval analyses shows that total organic carbon contents and oil and gas potentials correlate well with microscopically determined alginite contents. Macroscopic examination of oil shale beds during ultraviolet excitation may thus be used as a fast screening method to assess oil shale quality.

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