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Major carbon-14 deficiency in modern snail shells from southern Nevada springs

Science

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Abstract

Carbon-14 contents as low as 3.3 ?? 0.2 percent modern (apparent age, 27,000 years) measured from the shells of snails Melanoides tuberculatus living in artesian springs in southern Nevada are attributed to fixation of dissolved HCO3- with which the shells are in carbon isotope equilibrium. Recognition of the existence of such extreme deficiencies is necessary so that erroneous ages are not attributed to freshwater biogenic carbonates.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Major carbon-14 deficiency in modern snail shells from southern Nevada springs
Series title:
Science
Volume
224
Issue:
4644
Year Published:
1984
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
58
Last page:
61
Number of Pages:
4