Palynology of the Bowser and Sustut Basins: Age, Depositional Environment, Organic Maturity, and Preservation.

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Presentation transcript:

Palynology of the Bowser and Sustut Basins: Age, Depositional Environment, Organic Maturity, and Preservation

OVERVIEW: Review of localities previously studied (framework for current application) Organic maturity versus preservation (coal versus mudstone) Rank, Palynology, and Macrofossils Time versus lithostratigraphy Summary of Results 2003/2004

TIME INTERVALS IDENTIFIABLE PALYNOLOGICALLY

LOCALITIES STUDIED PALYNOLOGICALLY

Brothers Peak, 94E

EARLY MAASTRICHTIAN

Cold Fish Lake Section, 104H

LATE CAMPANIAN

Tango Creek, 94E

EARLY LATE CAMPANIAN

CONIACIAN/SANTONIAN

B.C. Hydro, 104J LATE CENOMANIAN

Cullivan Creek, 104H

Bowsprit Mtn., 104H

JURASSIC MID/LATE ALBIAN

ORGANIC MATURITY VERSUS PRESERVATION

PREPARATION Semi-destructive oxidation by Schulz solution Demineralization with HF and HCl COAL MUDSTONE

MATURE COALY SHALE DARK GREY MUDSTONE

BROTHERS PEAK FORMATION OVER MATURE MEDIUM MATURITY PRESERVATION

JURASSIC MID LATE ALBIAN Plants retain their form at high organic maturities.

TIME VERSUS LITHOSTRATIGRAPHY

SUMMARY OF RESULTS, 2003/2004 Effectively barren (Bowser Group) – 13 Bowser Group (Cretaceous) – 3 Bowser (undifferentiated) - 1 Sustut Group, Tango Fm - 1 Niven/Tatlatui Mbr. - 3 Lower Niven Mbr. – 10 Sustut Group, Brothers Peak Fm. – 1 Upper part – 1 Lower part - 1 Sustut, effectively barren - 5