| OCR Text |
Show 221 boundaries north, south and east of central Utah. With the Fouch et al. Balmeisporites, (1987) that is considered palynomorphs Formation in Price River did not typically report an exception assemblage of of Maastrichtian from the North Horn Canyon. Griesbach and MacAlpine (1973) reported typical Maastrichtian pollen assemblages containing Aqui/apol/enites, Balmeisporites Mountain that was were completed 1992), and Proteacidites from early when dinosaurs This that has been hitherto extend as high 1950s were (Frederick Griesbach, known suggests only verbal communication, from lower levels in the formation perhaps all palynomorphs elsewhere as typical that recognized the K-T as levels at North Horn associated with dinosaur bones. The field work of Griesbach in the (Spieker, 1949). stratigraphic boundary in an assemblage Maastrichtian do not at North Horn Mountain. 4.4.5. Shocked Quartz In an K-T beds, effort to determine the presence of samples from possible two levels in the coal sequence between the upper and lower coal sequence and the contact) Officer. were shocked quartz an (near crystals the contact interval about 20 m below thin-sectioned and examined by John Lyons and Charles deformation features in were Microscopic quartz grains in found at both levels, but John Lyons (written communication, 1995) suggested that the type of deformation had a volcanic or tectonic origin. |
