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Determination of shell deposition rates of Arctica islandica from the New York Bight using natural 228 Ra and 228 Th and bomb‐produced 14 C 1
Author(s) -
Turekian K. K.,
Cochran J. K.,
Nozaki Y.,
Thompson I.,
Jones D. S.
Publication year - 1982
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1982.27.4.0737
Subject(s) - bivalvia , deposition (geology) , mollusca , oceanography , shell (structure) , geology , biology , ecology , paleontology , materials science , sediment , composite material
Shell deposition rates of specimens of Arctica islandica (Mollusca: Bivalvia) from the New York Bight were determined using natural 228 Ra and 228 Th and bomb 14 C. The specimens from deep (>55 m) offshore waters show annual growth banding. A shell obtained from the inner bight at <30‐m depth seems to be younger than indicated by band counting.