Paipa-Iza volcanic complex

The Paipa-Iza volcanic field is important as a touristic site with thermal baths in both Paipa and Iza and is being studied for the potential of geothermal energy production and for the extraction of uranium in the area.

The names Paipa and Iza originate in Muysccubun, the language of the indigenous Muisca, who inhabited the Altiplano Cundiboyacense before the Spanish conquest.

[1] The Paipa–Iza volcanic complex is located in the northern part of the Altiplano Cundiboyacense at altitudes between 2,500 and 2,770 metres (8,200 and 9,090 ft).

They consist of porphyritic rhyolites with sanidine and plagioclase as dominant mineral groups and abundant xenoliths of sedimentary rock and in minor quantities volcanic or metamorphic fragments.

The overall rock composition is very felsic and comprises biotites and amphiboles as opaque minerals.

Rhyolite from Holcim dome, Iza