1 and 2). Jensen and Ostrom (1977) described the locality as in Sec. A total of 200 samples were collected from 25 sedimentary horizons (sites) at Norwood Hill in southwest Colorado. Both elastic layers contained bones, which suggests that they were first deposited in . Figure 7 from GEOLOGY OF THE INTERMOUNTAIN WEST A REVIEW OF CHAROPHYTES ... ture, Westwater Canyon, and Brushy Basin Members (Figs. Brushy Basin Member of Morrison Formation - MiraCosta College The following is a list of megaplant fossils recovered from the Upper Jurassic Morrison Formation by various workers and as described in the literature cited. Geolex — Morrison publications - USGS Geology and paleontology of the Upper Jurassic (Morrison Formation ... . Morrison Formation, San Juan Basin (07) | Bureau of Economic Geology Three observations, including super-cracks, super-deposits, and widespread soft-sediment deformation, suggest a violent rending of fissure vents in the Sierra region that was the source for the Brushy Basin ash. New Chemical Abrasion Thermal Ionization Mass Spectrometry Dates from ... The Morrison Formation is a distinctive sequence of Late Jurassic sedimentary rock that is found in the western United States, which has a wide assortment of taxa represented in its fossil record, including dinosaur fossils in North America. Most of the fossils occur in the green siltstone . FPS-1 comes from about 13.7m above the base of the Brushy Basin Member or 4.0111 above the change in clay minerals (CC in Figs. Anderson, Orin J., and Lucas, Spencer G., 1997, Lake T'oo'dichi' and the Brushy Basin of the Morrison Formation.
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