Ferro-hornblende from Altiplano Plate
Bolivia | |
| Petrov, Alfredo (n.d.) Personal Communication. Federico Ahlfeld field notes |
Peru | |
| Laubacher, G. (1978) estudio geologico de la region norte del Lago Titicaca. Boletin Instituto de Geologia y Mineria, 5, series D, 1-122 |