TY - RPRT TI - X-ray diffraction studies of the <0.5um fraction from the Brushy Basin Member of the Upper Jurassic Morrison Formation, Colorado Plateau AU - Douglass E. Owen AU - Christine E. Turner-Peterson AU - Neil S. Fishman PY - 1989 DO - 10.3133/b1808g UR - https://pubs.usgs.gov/publication/b1808G ID - b1808G ER -