Great Work Mine (incl. Leeds Mine), Godolphin Cross, Breage, Cornwall, England, UKi
| Regional Level Types | |
|---|---|
| Great Work Mine (incl. Leeds Mine) | Mine (Abandoned) |
| Godolphin Cross | Town |
| Breage | Civil Parish |
| Cornwall | County |
| England | Constituent Country |
| UK | Country |
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Latitude & Longitude (WGS84):
50° 7' 40'' North , 5° 21' 55'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW595308
Type:
Mine (Abandoned) - last checked 2019
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Germoe | 175 (2017) | 1.7km |
| Breage | 471 (2017) | 3.1km |
| Leedstown | 267 (2017) | 3.7km |
| Porthleven | 3,059 (2017) | 5.8km |
| Helston | 12,184 (2017) | 7.3km |
Mine dating from at least 1540. Major tin producer in the 19th century. The workings occupy the saddle between Godolphin Hill and Tregonning Hill. Coordinates are those of Leeds shaft, whose engine house was recently (2005) restored. Thomas Epsley in 1689 first introduced blasting into mining at this location.
Where Wheal Breage Lode passed from granite into greenstone, the tin ore it contained in the former disappeared instantly (Henwood, 1843).
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
12 valid minerals.
Detailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Cassiterite Formula: SnO2 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 References: |
| ⓘ Chalcopyrite var. Blistered Copper Formula: CuFeS2 |
| ⓘ 'Chlorite Group' References: |
| ⓘ Cuprite Formula: Cu2O |
| ⓘ Cuprite var. Tile ore Formula: Cu2O |
| ⓘ Fluorite Formula: CaF2 |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Gypsum Formula: CaSO4 · 2H2O References: |
| ⓘ 'K Feldspar' References: |
| ⓘ 'K Feldspar var. Adularia' Formula: KAlSi3O8 References: |
| ⓘ 'Limonite' References: |
| ⓘ Native Sulphur Formula: S8 References: |
| ⓘ Pyrite Formula: FeS2 References: |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Siderite Formula: FeCO3 References: |
| ⓘ 'Tennantite Subgroup' Formula: Cu6(Cu4C2+2)As4S12S References: |
| ⓘ Tenorite Formula: CuO References: |
| ⓘ 'Wolframite Group' |
| ⓘ 'Zinnwaldite' |
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Sulphur | 1.CC.05 | S8 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | var. Blistered Copper | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | 'Tennantite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)As4S12S |
| Group 3 - Halides | |||
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Cuprite | 4.AA.10 | Cu2O |
| ⓘ | var. Tile ore | 4.AA.10 | Cu2O |
| ⓘ | Tenorite | 4.AB.10 | CuO |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| ⓘ | 'Wolframite Group' | 4.DB.30 va | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Unclassified | |||
| ⓘ | 'K Feldspar var. Adularia' | - | KAlSi3O8 |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Zinnwaldite' | - | |
| ⓘ | 'K Feldspar' | - | |
List of minerals for each chemical element
Geochronology
| Geologic Time | Rocks, Minerals and Events | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Phanerozoic | ||||||||||||||||||||||
| Paleozoic | ||||||||||||||||||||||
| Permian | ||||||||||||||||||||||
| Guadalupian |
| |||||||||||||||||||||
| Cisuralian |
| |||||||||||||||||||||
Other Regions, Features and Areas containing this locality
British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
- Rheno-Hercynian BeltOrogenic Belt
EuropeContinent
UK
- England
- Cornwall
- Mount's Bay Mining DistrictMining District
- Devon and Cornwall metalliferous mining districtMining District
- Cornwall
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Great Work Mine, Godolphin Cross, Breage, Cornwall, England, UK