TY - RPRT TI - Oxygen-isotope, X-ray-diffraction and scanning-electron-microscope examinations of authigenic-layer-silicate minerals from Mississippian and Pennsylvanian sandstones in the Michigan Basin AU - K.F. Zacharias AU - D.F. Sibley AU - D.B. Westjohn AU - T. L. Weaver PY - 1993 DO - 10.3133/ofr93103 UR - https://pubs.usgs.gov/publication/ofr93103 ID - ofr93103 ER -