Clocks in the rocks : learning about earth's past /

Discusses the divisions of time used by geologists to record earth's history and includes information on fossils, radioactive dating, and prehistoric life.

Bibliographic Details

Main Author:	Barnes-Svarney, Patricia L.
Format:	Book
Language:	English
Published:	Hillside, N.J., U.S.A. : Enslow Publishers, [1990]
Series:	Earth processes book.
Subjects:	Geological time > Juvenile literature. Geology.