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Wet Swine Gill, Coombe Height, Caldbeck, Allerdale, Cumbria, England, UKi
| Regional Level Types | |
|---|---|
| Wet Swine Gill | Stream |
| Coombe Height | Mountain |
| Caldbeck | Civil Parish |
| Allerdale | District |
| Cumbria | County |
| England | Constituent Country |
| UK | Country |
Wet Swine Gill, Coombe Height, Caldbeck Fells Mining Region, Cumbria, England, UK
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Latitude & Longitude (WGS84):
54° 40' 45'' North , 3° 3' 50'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
NY314321
Type:
Köppen climate type:
Other/historical names associated with this locality:
North and Western Region; Cumberland
In 1981, a previously unrecorded antimony sulphosalts-bearing quartz vein in hornfels was discovered about halfway up the gill [NY31443215] by J.D. Ingham and the mineralogy was published by Fortey et al. in 1984. The vein is thought to be an expression of the nearby Early Devonian Carrock W-As deposit.
A few years later, the small exposure had been all but collected out.
Note on the mineral list:
Of the antimony sulphosalts, which occur here with arsenopyrite and other sulphides in a quartz gangue, fülöppite is the most sought after. However, it occurs only sparingly and many specimens have been sold so labelled, deliberately or not, when the specimen contains mainly stibnite.
Note: Collecting here is strictly off-limits as it is in the red zone of areas prohibited for mineral collecting as per rules of the Lake District National Park Authority.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
19 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Antimony Formula: Sb Description: In the 'antimony vein' as grains up to 20 µm in quartz (Fortey et al., 1984). The same authors (op. cit.: 61) also observed '... minute inclusions of a possible Sb-As alloy ... in a berthierite prism.' |
| ⓘ Arsenopyrite Formula: FeAsS Description: Uncommon in the 'antimony vein' as euhedral tabular crystals to 60µm thick; the cores are enriched in antimony (< 7wt% Sb) (Fortey et al., 1984). |
| ⓘ Berthierite Formula: FeSb2S4 Description: In the 'antimony vein' as crystals to 2 mm with other sulphosalts embedded in quartz (Fortey et al., 1984). |
| ⓘ 'Bindheimite' Formula: Pb2Sb2O6O Habit: earthy crusts Colour: yellowish Description: Common in the 'antimony vein' as yellowish earthy crusts derived from stibnite or other antimony minerals (Fortey et al., 1984). |
| ⓘ Claudetite Formula: As2O3 |
| ⓘ Claudetite var. Antimony-bearing Claudetite Formula: (As,Sb)2O3 |
| ⓘ Fülöppite Formula: Pb3Sb8S15 Habit: patches of fibrous crystals Colour: dark grey metallic |
| ⓘ Jamesonite Formula: Pb4FeSb6S14 Description: Cooper & Stanley (1990): "Forms straight or curved capillary crystals between 60 and 250µm in length with diamond-shaped cross-sections 2 to 20µm in width. These hair-like crystals occur in groups grown in coarse quartz... (Fortey et al., 1984: 60)." References: |
| ⓘ Kermesite ? Formula: Sb2S2O Description: Cooper & Stanley (1990): "Possibly as 'tenuous red films' on quartz with primary antimony minerals (Fortey et al., 1984). Requires confirmation." |
| ⓘ Mercury Formula: Hg Description: Cooper & Stanley (1990): "Mercury has been detected in ppm in the Wet Swine Gill 'antimony vein' (Fortey et al., 1984)." |
| ⓘ Parasymplesite Formula: Fe2+3(AsO4)2 · 8H2O |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) Description: In stream sediments. References: |
| ⓘ Semseyite Formula: Pb9Sb8S21 Description: In the 'antimony vein' as tenuous coatings with fülöppite, and as rare, minute (< 20µm) grains in zinckenite (Fortey et al., 1984). |
| ⓘ Senarmontite Formula: Sb2O3 Habit: masses and octahedra Colour: colourless to grey Description: In the 'antimony vein' as grey masses and minute colourless octahedra derived from the alteration of stibnite (Fortey et al., 1984). |
| ⓘ Sphalerite Formula: ZnS Description: In the 'antimony vein' in minute grains. |
| ⓘ Stibiconite Formula: Sb3+Sb5+2O6(OH) Description: A common alteration product of antimony sulphides and sulphosalts in the 'antimony vein' (Fortey et al., 1984). |
| ⓘ Stibioclaudetite Formula: AsSbO3 |
| ⓘ Stibnite Formula: Sb2S3 Habit: acicular Description: Commonly coated with or pseudomorphed by senarmontite or stibiconite or both (Fortey et al., 1984). |
| ⓘ Sulphur Formula: S8 Description: Small quantities as an alteration product in the 'antimony vein' (Fortey et al., 1984). |
| ⓘ 'Wolframite Group' Description: "Float quartz containing wolfram from 'near Dry Swine Gill'" [between Wet Swine Gill and Grainsgill] (Shaw, 1970: 52).
In stream sediments (Appleton & Wadge, 1976). References: |
| ⓘ Zinkenite Formula: Pb9Sb22S42 Habit: fibrous patches to 15mm across Description: In the 'antimony vein' in quartz with stibnite, berthierite etc. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Mercury | 1.AD.05 | Hg |
| ⓘ | Antimony | 1.CA.05 | Sb |
| ⓘ | Sulphur | 1.CC.05 | S8 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | Kermesite ? | 2.FD.05 | Sb2S2O |
| ⓘ | Berthierite | 2.HA.20 | FeSb2S4 |
| ⓘ | Jamesonite | 2.HB.15 | Pb4FeSb6S14 |
| ⓘ | Fülöppite | 2.HC.10a | Pb3Sb8S15 |
| ⓘ | Semseyite | 2.HC.10d | Pb9Sb8S21 |
| ⓘ | Zinkenite | 2.JB.35a | Pb9Sb22S42 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Claudetite | 4.CB.45 | As2O3 |
| ⓘ | var. Antimony-bearing Claudetite | 4.CB.45 | (As,Sb)2O3 |
| ⓘ | Stibioclaudetite | 4.CB.45 | AsSbO3 |
| ⓘ | Senarmontite | 4.CB.50 | Sb2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | 'Wolframite Group' | 4.DB.30 va | |
| ⓘ | 'Bindheimite' | 4.DH.20 | Pb2Sb2O6O |
| ⓘ | Stibiconite | 4.DH.20 | Sb3+Sb5+2O6(OH) |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Parasymplesite | 8.CE.40 | Fe2+3(AsO4)2 · 8H2O |
List of minerals for each chemical element
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
- AvaloniaVolcanic Arc
EuropeContinent
UK
- England
- Cumbria
- Caldbeck Fells Mining RegionMining District
- Lake District National ParkNational Park
- LDNPA Red ZoneMineral Collecting Permit Zone
- Cumbria
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References
Fortey, N. J., Ingham, J. D., Skilton, B. R. H., Young, B., Shepherd, T. J. (1984) Antimony mineralisation at Wet Swine Gill, Caldbeck Fells, Cumbria. Proceedings of the Yorkshire Geological Society, 45 (1-2) 59-65 doi:10.1144/pygs.45.1-2.59
Wet Swine Gill, Coombe Height, Caldbeck, Allerdale, Cumbria, England, UK