Roughtongill (Caldbeck Fells)
Lake District, Cumbria (England), United Kingdom
Other hydrothermalPb-Zn
- Type
- Pb-Cu-Zn veins in Ordovician volcanic rocks
Polymetallic veins of the Caldbeck Fells, famous for their secondary lead and copper minerals. Sulfide oxidation at about 15 to 20 °C, under a climate warmer than today (Boni et al., 2019). Indicative coordinates.
δ18O in ‰ (per mil) Values of the same system
Standard : V-SMOW
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 16.9 ‰ | 1 | supergene cerussite One analysis, Table 1. Specimens from the Natural History Museum (London) and private collections. | Boni et al. (2019), Stable isotopes of nonsulphide Zn-Pb ores in Britain and Ireland: flu… |
δ13C in ‰ (per mil) Values of the same system
Standard : V-PDB
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −18.6 ‰ | 1 | supergene cerussite One analysis, Table 1. Specimens from the Natural History Museum (London) and private collections. | Boni et al. (2019), Stable isotopes of nonsulphide Zn-Pb ores in Britain and Ireland: flu… |
Deposits of the same type
- North Pennine orefield (Alston Moor, Hilton, Scordale) United Kingdom
- Leadhills-Wanlockhead United Kingdom
- Swaledale (Grinton Moor) United Kingdom
- North Wales orefield (Halkyn, Holywell, Talargoch) United Kingdom
- Shelve (Ladywell mine) United Kingdom
- Glendalough and Glendasan (Luganure) mines Irlande
- Dartmoor granite United Kingdom
- Hingston Down (quarry, Calstock) United Kingdom
Cite this page
IsoFind Atlas (2026). Roughtongill (Caldbeck Fells), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/roughtongill-caldbeck-fells/ (accessed 2026-10-13).
@misc{isofind2026roughtongillcaldbeckfellsisot,
title = {Roughtongill (Caldbeck Fells), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/roughtongill-caldbeck-fells/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13