Black Hills tin belt (South Dakota)

South Dakota (Black Hills), United States

Other hydrothermalSn

Type
Cassiterite and stannite (pegmatites and hydrothermal veins)

Tin district of the Black Hills, associated with the Harney Peak granite (about 1.7 Ga). Cassiterite and stannite occur in LCT-type pegmatites (lithium, caesium, tantalum), where cassiterite is late, and in hydrothermal veins.

δ124Sn in ‰ (per mil) Values of the same system

Standard : NIST SRM 3161a

ValueRangenMineral or matrixSource
2.1 ± 0.2 ‰cassiterite and stanniteMathur et al. 2024, Sn-Isotope Fractionation as a Record of Hydrothermal Redox Reactions,…

Deposits of the same type

Cite this page

IsoFind Atlas (2026). Black Hills tin belt (South Dakota), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/ceinture-stannifere-des-black-hills-dakota-du-sud/ (accessed 2026-10-06).

@misc{isofind2026blackhillstinbeltsouthdakotai,
  title = {Black Hills tin belt (South Dakota), isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/ceinture-stannifere-des-black-hills-dakota-du-sud/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06