Table 1 in Fission track dating of obsidian source samples from the Willaumez Peninsula, Papua New Guinea and eastern Australia

Table 1. Measurement of thermal neutron fluence.1
monitorexternal detectorB (109ntl)trackdensity onext.detector (105tcm2)thermal neutronfluence (1015ncm2)AuwireTODOTODOTODO2.399±0.034CowireTODOTODOTODO2.392±0.025CNlglassmIca1.873±0.02513.43±0.262.515±0.036makrofol1.863±0.02313.24±0.262.468±0.058CN2glassmIca1.985±0.00712.34±0.252.449±0.051makrofol2.016±0.04112.31±0.252.482±0.072
1 Calibration of glass dosimeters (B value measurement) was performed by using cobalt and gold monitors (Bonetti et al., 1994). The thermal neutron fluence value used in the age measurements has been obtained as a weighted mean of the values listed in the last column.