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Peer reviewed Peer reviewed
ERIC Number: EJ090088
Record Type: CIJE
Publication Date: 1973
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: N/A
EISSN: N/A
A Lunar Chronology
Schaeffer, Oliver A.
Bulletin of the Atomic Scientists, 29, 10, 42-45, Dec 73
Discusses methods used in determination of absolute isotopic ages for the returned lunar material, including the uranium-lead, rubidium-strontium, and argon 40-argon 39 ratio methods. Indicates that there would exist a basin-forming bombardment period for the Moon extending over at least 300 million years. (CC)
Descriptors: Aerospace Education, Aerospace Technology, Earth Science, Lunar Research, Radioisotopes, Radiology, Science Materials, Scientific Research, Space Sciences
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A