By Dennis J. Stanford
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Extra resources for Across Atlantic Ice: The Origin of America's Clovis Culture
The next season’s excavations revealed Sheaman to be a Clovis occupation. Bruce recognized that the flakes were probably diagnostic of Clovis and began to note their presence in other assemblages. He has now recorded them in sites across North America, and without exception, when they are present in significant numbers, they have been found to be Clovis. Because the technique is unique to Clovis and Solutrean biface manufacture, even down to the details of how the platforms were prepared, the idea of a historic connection between the two groups makes sense, especially since the many collections the authors have examined from Siberia show no indication that the overshot technique was systematically used there.
University of California Press Berkeley and Los Angeles, California University of California Press, Ltd. London, England � 2012 by The Regents of the University of California Library of Congress Cataloging-in-Publication Data Stanford, Dennis J. Across Atlantic ice : the origin of America’s Clovis culture / Dennis J. Stanford, Bruce A. Bradley ; foreword by Michael B. Collins. p. cm. Includes bibliographical references and index. ISBN 978-0-520-22783-5 (cloth : alk. paper) 1. Clovis culture. 2.
These layers represent different depositional events and may tell us how and when they were deposited. Larger, more robust points and mammoth bones were emerging from a deposit situated below the soil that encased the bones of bison killed by Folsom hunters. If there was any doubt, the advent of radiocarbon dating (a method that uses the naturally occurring radioisotope carbon-14 to estimate the age of organic materials) in the 1950s confirmed that Folsom was, indeed, younger than this deeper material.
Across Atlantic Ice: The Origin of America's Clovis Culture by Dennis J. Stanford