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Detailed File Information |
Description
Plagioclase 40Ar/39Ar age for the intermediate size Howland island in the Tokelau seamount trail in the Southwest Pacific basin. Sample AVON2-26-40 is sampled at 3666-2427 m depth. This upload contains the ArArCALC v2.4 age calculation file and the same file in the Microsoft Excel 2000 format. |
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Geological Age Range and Timescale 72.2 - 70.8 Ma |
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Location 0º 36.43' N - 1º 01.04' N176º 48.20' W - 176º 26.14' W, Pacific Ocean, Howland Seamount, Howland Volcanic Island, SMNT-008N-1766W, Southwest Pacific, Tokelau Seamounts |
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Instructions Two types of files are included in this ZIP archive. One is the *.AGE file that can only be opened in ArArCALC. The other is the same file but then saved in the Microsoft Excel format with the extension *.XLS and can be viewed outside ArArCALC. Note that the ArArCALC.log file is already included in the *.AGE file. |
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Keywords 40Ar/39Ar geochronology, argon, K/Ar, ArArCALC, Pacific plate, seamount, guyot, plagioclase |
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Copyright Owner Anthony A.P. Koppers Institute of Geophysics and Planetary Physics Scripps Institution of Oceanography University of California, San Diego La Jolla, CA 92093-0225, USA
Phone: +1 858 534 8771 Fax: +1 858 534 8090 |
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