Glassy igneous rock from South America
Argentina | |
| Musso, Telma B., Gisela Pettinari, Manuel Pozo, Alexis G. Martínez, and Rafael González. (2022) "Distribution, Sedimentology and Origin of Mineralogical Assemblages from a Continental Na-bentonite Deposit in the Cretaceous Neuquén Basin (Argentina)" Minerals 12, no. 4: 467. https://doi.org/10.3390/min12040467 |
Peru | |
| Lewis, R.W. Jr. (1956) The geology and ore deposits of the Quiruvilca District, Peru. Economic Geology: 51(1): 41-63. |