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Three New Species Of Petrified Dicotyledonous Wood From The Lower Cretaceous Cedar Mountain Formation Of Utah, Gregory F. Thayn
Three New Species Of Petrified Dicotyledonous Wood From The Lower Cretaceous Cedar Mountain Formation Of Utah, Gregory F. Thayn
Theses and Dissertations
Two genera and three species of definite fossil angiosperm wood have been identified from the diverse flora of the Lower Cretaceous Cedar Mountain Formation of Utah for the first time. Well preserved fossil dicotyledonous woods have been found in association with the fern Tempskya and conifer woods at two sites, one east of Castle Dale, Utah 1 and one east of Ferron, Utah. Petrified logs were collected from a horizon between ten and thirty feet below the overlying Dakota Sandstone at the Castle Dale site. Dakota Sandstone is missing at the Ferron site, but the wood occurs on the surface …