Geochemistry of the Phosphoria Formation at Montpelier Canyon, Idaho : environment of deposition /

Autor Piper, David Z., Medrano, M. D.
Vydáno 1994

A normative - calculation procedure 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 /

Autor Medrano, M. D., Piper, David Z.
Vydáno 1992

Cooccurrence of Fe-, Fe-Ca-, and Ca-phosphate minerals in concretions within the Monterey Formation : a record of uplift of the Santa Maria Basin, California /

Autor Piper, David Z., Isaacs, Caroline M., Medrano, M. D.
Vydáno 1993