Thermopolis, Wyoming (Geographic Keyword)
1-1 (1 Record)
EXPLORATORY POLLEN, PHYTOLITH, AND FOSSILIZED WOOD IDENTIFICATION OF JURASSIC SAMPLES FROM A DINOSAUR QUARRY ON THE WARM SPRINGS RANCH, WYOMING (1996)
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The Warm Springs Ranch in Thermopolis, Wyoming, is home to the "BS" dinosaur quarry, an Upper Jurassic Morrison Formation dated as Kimmeridgian -Tithonian (156-144 mya). Pollen analysis was undertaken on a sample of drab mudstone from the quarry layer, and phytolith analysis was attempted on a piece of lignitic material from the quarry layer. The seam of lignite was approximately 2-3 inches thick and perhaps a foot wide and might have been part of a tree trunk. A fossil wood sample was...