Field work in the Atacama desert

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A team of geologist from the University of Chile and the Institut de Physique du Globe de Paris (IPGP) study the tectonics of the western Andean front in the Atacama desert of North Chile. A major west-vergent thrust brings the Paleozoic metamorphic rocks that form the mountains in the back onto folded mesozoic sediments in the foreground. Our working hypothesis is that Andean relief building started there ~60-50 Ma ago.

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Type Image Format JPG Size 4.2 MB Width 3776 px Height 2520 px Aspect 472:315 Brand Panasonic Model DMC-LX5 Exposure 5 mm f/6.3 1/1000 s ISO 200 Software Photoshop Taken 18 January 2019 Coordinates -21.4610, -69.0418 Tint Brownish pink Submitted 14 February 2019

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