Clocks in the rocks
Subtitle: learning about earth's past
By: Patricia L. Barnes-Svarney.
Series: An Earth processes book
Publisher: Enslow Publishers
Published: 1990
Place of publication: Hillside, N.J., U.S.A
Language: eng
Number of pages: 64
Subjects: Geological time -- Juvenile literature.; Geology.
Description: Discusses the divisions of time used by geologists to record earth's history and includes information on fossils, radioactive dating, and prehistoric life.
Notes: Bibliography: p. 62.
Includes index.