Un análisis crítico de las evidencias presentadas para reinterpretar la mega-brecha de Hornitos como un depósito de flujo de masa generado por el colapso de un acantilado.
Abstract:ABSTRACT. 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 microbiological data, it is here argued that mass flow can also be caused by tsunami backwash events and would be difficult to distinguish from those caused by gravity alone, especially as the Hornitos outcrop is of limited extent. However, a mechani… Show more
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