Rosario de Escala Mine (Escala Mine; Escala de Lipez Mine; Crosca Mine), Sud Lípez Province, Potosí Department, Bolivia
Ancient silver-lead mine which worked 10 to 60cm wide veins in brecciated and highly altered Miocene stock, 3.5 km wide, and variously described as being composed of rhyolite porphyry, dacite or andesitic basalt, 30km north of San Antonio de Lipez, 45 km NW of San Antonio de Esmoraca.