We have radiocarbon dated series of tree rings from 2 fossil trees (named ND-113 and the Fuji tree) buried in fossil volcanic avalanche deposits in Japan. They are dendrochronologically floating, dating beyond the tree-ring part of the C-14 calibration curve. The trees show about 350 and 400 annual rings, respectively, which are dated in intervals of 2 to 10 yr. Both sequences are wiggle-matched to the calibration curve IntCal09. This resulted in an age range of 16,534-16,204 cal BP for ND-113, and 23,678-23,290 cal BP for the Fuji tree.
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New Zealand Hist Pl Trust, Northern Reg Off, Auckland 1143, New ZealandUniv Auckland, Sch Environm, Tree Ring Lab, Private Bag 92019, Auckland 1142, New Zealand
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Cornell Univ, Malcolm & Carolyn Wiener Lab Aegean & Near Easter, Ithaca, NY USA
Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USAWSL Swiss Fed Inst Forest Snow & Landscape Res, Birmensdorf, Switzerland
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GFZ German Res Ctr Geosci, Potsdam, Germany
Everland LLC, Dept Impacts Res & Evaluat, New York, NY USAJohannes Gutenberg Univ Mainz, Dept Geog, Mainz, Germany
Pauly, Maren
Tegel, Willy
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Albert Ludwigs Univ Freiburg, Inst Forest Sci, Chair Forest Growth & Dendroecol, Freiburg, Germany
Amt Archaol, Kanton Thurgau, Frauenfeld, SwitzerlandJohannes Gutenberg Univ Mainz, Dept Geog, Mainz, Germany
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Chungbuk Natl Univ, Sch Forest Resources, Div Wood & Paper Sci, Cheongju 361763, South KoreaChungbuk Natl Univ, Sch Forest Resources, Div Wood & Paper Sci, Cheongju 361763, South Korea
Park, Won-Kyu
Lee, Kwang-Hee
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Chungbuk Natl Univ, Grad Sch, Dept Forest Prod, Cheongju 361763, South KoreaChungbuk Natl Univ, Sch Forest Resources, Div Wood & Paper Sci, Cheongju 361763, South Korea