Cwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UKi
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Latitude & Longitude (WGS84):
52° 25' 52'' North , 3° 56' 30'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SN680833
Type:
Mine (Abandoned) - last checked 2020
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Capel Bangor | 256 (2017) | 3.7km |
| Bow Street | 1,572 (2017) | 6.0km |
| Penparcau | 3,088 (2011) | 9.5km |
| Aberystwyth | 18,749 (2017) | 9.7km |
| Borth | 1,269 (2017) | 9.7km |
Other/historical names associated with this locality:
Dyfed; Cardiganshire
An old mine worked a section of the Daren-Cwmsymlog fault/vein system. The mine may be pre-Roman but this is unproven. Old tools were found when the mine was reopened in 1850. These could have been from 1700 centry workings on the vein. The 1850 reopening only lasted untill 1856. When the mine was taken over by the owners of the Daren mine, but the mine was not worked. There was a brief trial in 1863. In 1920 the Twlly y Mwyn section was investigated, no production is recorded.
Recorded production:
121 tons of lead ore
94 tons of copper ore
The tips are criss-crossed by a public footpath and mineral smaples are widely distributed on the surface. Jan 2020.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
9 valid minerals.
Detailed Mineral List:
| ⓘ Bornite Formula: Cu5FeS4 References: |
| ⓘ Brochantite Formula: Cu4(SO4)(OH)6 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 References: |
| ⓘ Galena Formula: PbS |
| ⓘ Langite Formula: Cu4(SO4)(OH)6 · 2H2O References: |
| ⓘ Pyromorphite Formula: Pb5(PO4)3Cl |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Tetrahedrite Subgroup' Formula: Cu6(Cu4C2+2)Sb4S12S |
| ⓘ Wulfenite Formula: Pb(MoO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Bornite | 2.BA.15 | Cu5FeS4 |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Brochantite | 7.BB.25 | Cu4(SO4)(OH)6 |
| ⓘ | Langite | 7.DD.10 | Cu4(SO4)(OH)6 · 2H2O |
| ⓘ | Wulfenite | 7.GA.05 | Pb(MoO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Pyromorphite | 8.BN.05 | Pb5(PO4)3Cl |
| Group 9 - Silicates | |||
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Langite | Cu4(SO4)(OH)6 · 2H2O |
| O | Oxygen | |
| O | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Langite | Cu4(SO4)(OH)6 · 2H2O |
| O | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Wulfenite | Pb(MoO4) |
| Al | Aluminium | |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | Silicon | |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Quartz | SiO2 |
| P | Phosphorus | |
| P | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| S | Sulfur | |
| S | ⓘ Bornite | Cu5FeS4 |
| S | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Langite | Cu4(SO4)(OH)6 · 2H2O |
| S | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Cl | Chlorine | |
| Cl | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| Fe | Iron | |
| Fe | ⓘ Bornite | Cu5FeS4 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Bornite | Cu5FeS4 |
| Cu | ⓘ Brochantite | Cu4(SO4)(OH)6 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Langite | Cu4(SO4)(OH)6 · 2H2O |
| Cu | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Mo | Molybdenum | |
| Mo | ⓘ Wulfenite | Pb(MoO4) |
| Sb | Antimony | |
| Sb | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| Pb | ⓘ Pyromorphite | Pb5(PO4)3Cl |
| Pb | ⓘ Wulfenite | Pb(MoO4) |
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
- AvaloniaVolcanic Arc
EuropeContinent
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Cwmdaren Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK