TY  - RPRT
TI  - Ordovidan K-bentonites in the Precordillera of San Juan and its tectomasmatic significance
AU  - C.A. Cingolani
AU  - W. Huff
AU  - S. Bergstrom
AU  - D. Kolata
PY  - 1997
UR  - https://pubs.usgs.gov/publication/70019545
ID  - 70019545
ER  -