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Multiple Insects
The second oil-shale interval is located in the upper 10 m of the Parachute Creek Member
represents an early lacustrine phase of Lake Uinta and consists of approximately 29 m of interbedded clay-rich oil shale
grainstone)
Eocene Green River Cardiospermum P-PCM-16-002 Agatized Multiple InsectsCardiospermum coloradensis Green River Formation Parachute Creek Member Middle Eocene Uintah County, Utah This is a good example of the herbaceous vine. In general the impression from the upper Green River are highly variable in shape. They have rounded apices on the lobes and dissections of the leaflets. Fossil examples of Cardiospermum are much more coriaceous that that of living species as evidenced by the heavy deposit of carbon and marked relief
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