This range is a combined horst, forearc high and accretionary wedge structure and was separated from the Andes during the Tertiary rise of the Andes due to the subsidence of the Intermediate Depression.
This range is a combined horst structure. This was forearc high and accretionary wedge. This range was separated from the Andes during the Tertiary rise of the Andes due to the subsidence of the Intermediate Depression.