Title: X-ray diffraction studies of the <2-[mu]m fraction from the upper part of the Brushy Basin Member of the upper Jurassic Morrison Formation and the lower Cretaceous Burro Canyon Formation in the Four Corners area, Colorado
Subjects: Clay minerals, Composition, Diffraction, Formations (Geology), Geology, Geology, Stratigraphic, Illite, Sediments (Geology), Smectite, Stratigraphic Geology, X-rays
Places: Colorado, Morrison Formation
Time periods: Cretaceous, Jurassic