Colosseum
Southern California or southern Nevada (Mojave region, Basin and Range), United States
Other hydrothermalAu
- Type
- Gold breccia pipe with calc-silicate clasts (Tecopa Terrane)
Locality of Table 2 of Church et al. (2005) (Cp in breccia with calc-silicate clasts; Sp in breccia with calc-silicate clasts). Tecopa Terrane (Table 1). Published coordinates (n° 48 : 35°34′10″ N, 115°34′10″ O; n° 49 : 35°34′10″ N, 115°34′10″ O).
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 17.959 ± 0.036 | 17.933 / 17.984 | 2 | chalcopyrite, sphalerite Mean and standard deviation recalculated from 2 analyses, 17.933 to 17.984 (n° 48 (Gel-N) 17.984; n° 49 (Gel-N) 17.933). | Church et al. (2005), Base- and precious-metal deposits in the Basin and Range of Souther… |
207Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 15.556 ± 0.004 | 15.553 / 15.558 | 2 | chalcopyrite, sphalerite Mean and standard deviation recalculated from 2 analyses, 15.553 to 15.558 (n° 48 (Gel-N) 15.553; n° 49 (Gel-N) 15.558). | Church et al. (2005), Base- and precious-metal deposits in the Basin and Range of Souther… |
208Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 39.01 ± 0.039 | 38.982 / 39.037 | 2 | chalcopyrite, sphalerite Mean and standard deviation recalculated from 2 analyses, 38.982 to 39.037 (n° 48 (Gel-N) 38.982; n° 49 (Gel-N) 39.037). | Church et al. (2005), Base- and precious-metal deposits in the Basin and Range of Souther… |
Deposits of the same type
- Teutonia United States
- Blackwater United States
- Chambers United States
- Noonday (Shoshone district) United States
- Paddys Pride United States
- Gladstone United States
- Queen of Sheba United States
- Honolulu United States
Cite this page
IsoFind Atlas (2026). Colosseum, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/colosseum/ (accessed 2026-10-21).
@misc{isofind2026colosseumisotopesignatures,
title = {Colosseum, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/colosseum/},
note = {Accessed 2026-10-21}
}Updated : 2026-10-21