EXPLORATORY POLLEN, PHYTOLITH, AND FOSSILIZED WOOD IDENTIFICATION OF JURASSIC SAMPLES FROM A DINOSAUR QUARRY ON THE WARM SPRINGS RANCH, WYOMING
收藏DataONE2012-09-04 更新2024-06-27 收录
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资源简介：
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 collected a few feet below the Morrison/Cloverly contact, nearly
40 feet above the quarry layer. This sample was polished so the wood structure could be
identified microscopically.
创建时间：
2012-09-04
