TY - RPRT TI - A normative-calculation prodecure used to determine mineral abundances in rocks from the Montpelier Canyon section of the Phosphoria Formation, Idaho; a tool in deciphering the minor-element geochemistry of sedimentary rocks AU - M.D. Medrano AU - D.Z. Piper PY - 1992 DO - 10.3133/b2023a UR - https://pubs.usgs.gov/publication/b2023A ID - b2023A ER -