Geology and mineral resources of central Antioquia Department (Zone IIA), Colombia
This report summarizes the geology of an area of some 6000 square kilometers in the northern part of the Central Cordillera of the Colombian Andes.
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
Geology and mineral resources of central Antioquia Department (Zone IIA), Colombia Author: Hall, R.B., Alvarez A., Jairo, Rico H., Hector Year: 1973 Category: Report This report summarizes the geology of an area of some 6000 square kilometers in the northern part of the Central Cordillera of the Colombian Andes. The area, in north-central Department of Antioquia, was mapped between 1964 and 1968 as part of the Inventario Minero Nacional (IMN) project. Mineral resources are summarized within a larger area, designated as subzone ILK of IMN Zone If, which comprises almost 22,000 sq. kin, including the area mapped geologically by IMN and additional areas mapped by other agencies. The oldest formation is a micaceous paragneiss of early Paleozoic or possibly lat Tags: usgs, clay deposits ceramics Source: https://pubs.usgs.gov/of/1973/0097/plate-1.pdf
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