Unknown
American Association for the Advancement of Science (AAAS)
In:
Science, 177 (4045). pp. 270-272.
Publication Date:
2019-06-05
Description:
Autoradiagraphs and x-radiographs have been made of vertical sections through the centers of reef corals from Eniwetok. Radioactivity bands in the coral structure are caused by strontium-90 and are related to specific series of nuclear tests, thus making possible calculation of long-term growth rates. These data indicate that the cyclic variations in radial density revealed by x-radiography are annual.
Type:
Article
,
PeerReviewed
Format:
text
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