Geochronology of Type Uquian (Late Cenozoic) Land Mammal Age, Argentina
- 28 May 1982
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 216 (4549), 986-989
- https://doi.org/10.1126/science.216.4549.986
Abstract
Mammal faunas collected from the Uquía Formation at Chucalezna and Esquina Blanca in Jujuy Province, northwest Argentina, are calibrated by potassium-argon age determinations and paleomagnetic polarity data. The sediments range in age from 2.5 million years old to perhaps as young as 1.5 million years, from late Pliocene through early Pleistocene, and correspond in time to late Blancan and early Irvingtonian land mammal age faunas in North America.This publication has 12 references indexed in Scilit:
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