Paul Benoit and Derek Sears
Cosmochemistry Group
Dept. of Chemistry and Biochemistry
University of Arkansas
Fayetteville, AR 72701
Sample | Class | NTL [krad at 250° C] |
---|---|---|
GRO95566 | C2 | 0 |
WSG95300 | H3.3 | 6 ± 3 |
GRA95208 | H3.7 | 33.9 ± 0.2 |
GRA95201 | H5 | 153 ± 4 |
GRA95202 | H5 | 34.8 ± 0.1 |
GRA95204 | H5 | 20.4 ± 0.1 |
GRA95207 | H5 | 17.1 ± 0.1 |
GRA95210 | H5 | 0.16 ± 0.03 |
GRA95212 | H5 | 50.0 ± 0.1 |
GRO95506 | H5 | 17.9 ± 0.3 |
GRO95520 | H5 | 109.7 ± 0.4 |
PRE95400 | H5 | 103 ± 3 |
GRA95211 | H6 | 20.2 ± 0.1 |
GRO95516 | H6 | 88.2 ± 0.1 |
GRO95532 | H6 | 65.7 ± 0.1 |
GRO95505 | L3.4 | 5 ± 4 |
GRA95203 | L5 | 46.8 ± 0.1 |
GRA95206 | L6 | 40.0 ± 0.1 |
GRO95510 | L6 | 65.5 ± 0.1 |
GRO95513 | L6 | 7.9 ± 0.1 |
GRO95526 | L6 | 31.8 ± 0.2 |
GRO95528 | L6 | 7.3 ± 0.1 |
GRO95531 | L6 | 0.80 ± 0.1 |
The quoted uncertainties are the standard deviations shown by replicate measurements on a single aliquot.
COMMENTS: The following comments are based on natural TL data, TL sensitivity, the shape of the induced TL glow curve, classifications, and JSC and Arkansas group sample descriptions.
GRA95208 is confirmed as a type 3.7 (AMN 20:1).
GRO95505 and WSG95300, classified as type 3.6 and type 3.4 respectively (AMN 20:1), are type 3.4 and 3.3.