Macdougall - Nature's Clocks - How Scientists Measure the Age of Almost Everything (California, 2008).pdf - Najnowsze ksiazki(1) - walbo48

Nature’s Clocks

The publisher gratefully acknowledges the generous contribution

to this book provided by the General Endowment Fund of the

University of California Press Foundation.

Nature’s Clocks

How Scientists Measure the

Age of Almost Everything

Doug Macdougall

UNIVERSITY OF CALIFORNIA PRESS

Berkeley

Los Angeles

London

University of California Press, one of the most distinguished uni-

versity presses in the United States, enriches lives around the

world by advancing scholarship in the humanities, social sciences,

and natural sciences. Its activities are supported by the UC Press

Foundation and by philanthropic contributions from individuals

and institutions. For more information, visit www.ucpress.edu.

University of California Press

Berkeley and Los Angeles, California

University of California Press, Ltd.

London, England

Library of Congress Cataloging-in-Publication Data

Macdougall, J. D., 1944–

Nature’s clocks : how scientists measure the age of almost

everything / Doug Macdougall.

p. cm.

Includes bibliographical references and index.

isbn: 978-0-520-24975-2 (cloth : alk. paper)

1. Geochronometry. 2. Geological time.

3. Radioisotopes in geology. I. Title.

qe 508. m27 2008

551.7'01—dc22

2007046955

Manufactured in the United States of America

17 16 15 14 13 12 11 10 09 08

10 987654321

This book is printed on New Leaf EcoBook 50, a 100% recycled

ﬁber of which 50% is de-inked post-consumer waste, processed

chlorine-free. EcoBook 50 is acid-free and meets the minimum

requirements of ansi/astm d5634–01 ( Permanence of Paper ).

Macdougall - Nature's Clocks - How Scientists Measure the Age of Almost Everything (California, 2008).pdf