Hiendelaencina

Guadalajara (Spanish Central System, northeast), Spain

Epithermal depositsAg (Pb, Zn, Sb)

Type
Epithermal Ag-Pb-Zn veins (late Variscan)

The largest silver deposit in Spain, worked from the 19th century to the 1990s at high grades (over 1,000 g/t silver). The Stephanian to Permian epithermal mineralisation relates to a late-Variscan extensional period. It is hosted in high-grade metamorphic rocks of a metamorphic core complex and formed in two to four hydrothermal stages.

δ109Ag in ‰ (per mil) Values of the same system

Standard : NIST SRM 978a

ValueRangenMineral or matrixSource
−0.4 / 0.4 ‰acanthite and silver-bearing minerals (hypogene)
Typical hypogene range for the deposit, one of the seven world-class deposits in the study.
Arribas et al. 2020, The Isotopic Composition of Silver in Ore Minerals

δ34S in ‰ (per mil) Values of the same system

Standard : V-CDT

ValueRangenMineral or matrixSource
6 / 6 ‰sulfides (andesitic magmatic source)
Approximate value given by Lillo Ramos for the magmatic component. A second sulfur source, derived from metasediments, would have an initial δ34S of at least +25 ‰, with no more precise figure in the abstract.
Lillo Ramos, The Hiendelaencina epithermal silver-base metal district, Central Spain, Min… (1992)

Deposits of the same type

Cite this page

IsoFind Atlas (2026). Hiendelaencina, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/hiendelaencina/ (accessed 2026-10-06).

@misc{isofind2026hiendelaencinaisotopesignatur,
  title = {Hiendelaencina, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/hiendelaencina/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06