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Karen Araya, Práxedes Muñoz, Laurent Dezileau, Antonio Maldonado, Rodrigo Campos-Caba, Lorena Rebolledo, Paola Cardenas and Marco Salamanca
The coast of Chile has been exposed to marine submersion events from storm surges, tsunamis and flooding due to heavy rains. We present evidence of these events using sedimentary records that cover the last 1000 years in the Pachingo wetland. Two sedimen...
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Desmond F. Lascelles and Ryan J. Lowe
Large blocks and boulders of banded iron formations and massive hematite up to 40 × 27 × 6 m3 and in excess of 10,000 metric tonnes were detached from an outcrop of the Wilgie Mia Formation during the ca 2.20 Ga marine transgression at the base of the Pa...
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Adrian Hartley,John Howell,Anne E. Mather,Guillermo Chong
Pág. 117 - 125
A section equivalent to the Pliocene La Portada Formation exposed in the coastal cliff at Hornitos, northern Chile, contains a ca. 7-10 m thick conglomerate bed. The bed occurs within a succession of shallow marine sandstones and has an erosional contact...
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Diego Aedo,Daniel Melnick,Ed Garrett,Mario Pino
Pág. 125 - 152
At Chaihuín marsh, south of Valdivia (39°56? S/73°33? W), a sand bed was deposited during the 1960 earthquake. The aim of this study is to map the 1960 tsunami deposit in detail and to associate earlier sand layers with past tsunamis. Geologic field mapp...
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Jacobus P. Le Roux
Pág. 139 - 145
The mega-breccia at Hornitos, northern Chile, was recently re-interpreted as a mass flow deposit caused by cliff failure, without any link to a tsunami backwash or the Eltanin meteorite impact at 2.5 Ma. While agreeing with the latter in the light of new...
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