No 3 seam PSOC 1533 (Alaska)
Alaska, Alaskan Province, United States
Othercharbon (Hg)
- Type
- Coal deposit (lignite, Cretaceous)
Lignite seam of Cretaceous age, calorific content of 10,620 Btu; sample PSOC 1533 of the DOE Coal Sample Bank (Pennsylvania State University), homogenised and packed under argon; mercury with a mean δ202Hg of -1.32 ‰ and Δ201Hg of -0.23 ‰ (Biswas et al., 2008). Coordinates not given.
δ202Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −1.32 ± 0.07 ‰ | −1.37 / −1.27 ‰ | 2 | coal (lignite) Mean and standard deviation recalculated from 2 subsamples, the standard deviation reflects deposit heterogeneity; subsamples combusted separately: -1.27 ± 0.11 ‰ (2SD 2 analyses); -1.37 ± 0.04 ‰ (2SD 3 analyses); 5 analyses in total. | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
Δ201Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.23 ± 0.01 ‰ | −0.23 / −0.22 ‰ | 2 | coal (lignite) Mean and standard deviation recalculated from 2 subsamples, the standard deviation reflects deposit heterogeneity; subsamples combusted separately: -0.22 ± 0.03 ‰ (2SD 2 analyses); -0.23 ± 0.05 ‰ (2SD 3 analyses); 5 analyses in total. | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
Δ199Hg in ‰ (per mil) Values of the same system
Standard : NIST SRM 3133
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.23 ± 0.01 ‰ | −0.24 / −0.23 ‰ | 2 | coal (lignite) Mean and standard deviation recalculated from 2 subsamples, the standard deviation reflects deposit heterogeneity; subsamples combusted separately: -0.24 ± 0.01 ‰ (2SD 2 analyses); -0.23 ± 0.02 ‰ (2SD 3 analyses); 5 analyses in total. | Biswas et al. (2008), Natural mercury isotope variation in coal deposits and organic soil… |
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- Kupferschiefer, Lubin-Sieroszowice district Poland
- Timna Israël
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Cite this page
IsoFind Atlas (2026). No 3 seam PSOC 1533 (Alaska), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/couche-no-3-psoc-1533-alaska/ (accessed 2026-10-15).
@misc{isofind2026no3seampsoc1533alaskaisotopes,
title = {No 3 seam PSOC 1533 (Alaska), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/couche-no-3-psoc-1533-alaska/},
note = {Accessed 2026-10-15}
}Updated : 2026-10-15