TY - RPRT TI - Margaritasite: a new mineral of hydrothermal origin from the Pena Blanca uranium district, Mexico. AU - K. J. Wenrich AU - P.J. Modreski AU - R. A. Zielinski AU - J. L. Seeley PY - 1982 UR - https://pubs.usgs.gov/publication/70011893 ID - 70011893 ER -