Magmatic differentiation at La Poruña scoria cone, Central Andes, northern Chile: Evidence for assimilation during turbulent ascent processes, and genetic links with mafic eruptions at adjacent San Pedro volcano
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DOI: 10.1016/j.lithos.2019.03.033
Abstract: Abstract La Poruna (21°53′S; 68°30′W) is a 140 m high scoria cone composed of pyroclastic material and an extensive basaltic-andesite to andesite lava flow that is up to 8 km in length. Automated mineralogical analysis describes a… read more here.
Keywords: scoria cone; san pedro; pedro volcano;