C14 Sample Item Number: 2800N18WF9S from the The Burke: University of Washington

Description

Sample from level bag 45SJ280/LB126 sent to the National Ocean Sciences AMS Facility, Woods Hole Oceanographic Institution for radiocarbon dating by Kristine Bovy in 2004. Sample is a valve fragment from a Bivalvia (bivalve, likely Little Neck Clam). 2-sigma calibrated date AD 240-650. A. Frost 2/24/06. NOSAMS tested the same shell three times. Three dates were returned by testing: AD 265-495 AD 415-610 AD 435-620 These three dates are from the same shell. After the original date was obtained, NOSAMS re-dated two other fragments from the same shell with and without acid-etching.

Notes

Date notes: 2-sigma calibration

Geographical Search Terms

Gulf of Georgia North America Northwest Coast San Juan County Washington State Western United States Western Washington

Credit Line

University of Washington Field Party Expedition