Iron Horse

Southern California or southern Nevada (Mojave region, Basin and Range), United States

OtherPb (Zn, Ag)

Type: Basin and Range lead prospect or mine (no production described in the paper)

Locality of Table 2 of Church et al. (2005) (Oxidized dump material with high Pb conc., adit in lms). Published coordinates (n° 52 : 35°25′50″ N, 115°31′53″ O).

206Pb/204Pb isotope ratio, no unit Values of the same system

Standard : NIST SRM 981

Value	Range	n	Mineral or matrix	Source
17.708		1	oxidised material (dump, limonite or oxides) Single analysis (n° 52 (Gel-N)).	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
15.58		1	oxidised material (dump, limonite or oxides) Single analysis (n° 52 (Gel-N)).	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
39.75		1	oxidised material (dump, limonite or oxides) Single analysis (n° 52 (Gel-N)).	Church et al. (2005), Base- and precious-metal deposits in the Basin and Range of Souther…

Deposits of the same type

Kewanee United States
Unnamed prospect no. 45 of Church et al. (2005) United States
Dolly Varden United States
Unnamed prospect no. 61 of Church et al. (2005) United States
Blue Bell United States
Lead King United States
Lead Mountain United States
Clair Camp United States

Cite this page

IsoFind Atlas (2026). Iron Horse, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/iron-horse-basin-and-range/ (accessed 2026-10-21).

@misc{isofind2026ironhorseisotopesignatures,
  title = {Iron Horse, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/iron-horse-basin-and-range/},
  note = {Accessed 2026-10-21}
}

Updated : 2026-10-21