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Late cretaceous arc development on the SW margin of the caribbean plate: insights form the Golfito, Costa Rica, and Azuero, Panama, complexes

Buchs, David; Arculus, Richard; Baumgartner, Peter; Baumgartner-Mora, Claudia; Ulianov, Alexey


The processes of arc initiation at the margin of an oceanic plateau are remarkably well preserved along the southern coastline of eastern Costa Rica and western Panama. We present new results of a combined tectonostratigraphic and petrologic study with which protoarc initiation (75-73 Ma) at the margin of an oceanic plateau (89-85 Ma) is documented. Dykes of protoarc igneous rocks within the plateau and occurrences of protoarc igneous rocks are widely distributed. These types of field...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Geochemistry, Geophysics, Geosystems. G3
DOI: 10.1029/2009GC002901


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