Balnoon Mine (Vorvas Downs Mine; Warvas Downs Mine), Trewartha, St Ives, Cornwall, England, UKi
| Regional Level Types | |
|---|---|
| Balnoon Mine (Vorvas Downs Mine; Warvas Downs Mine) | Mine |
| Trewartha | - not defined - |
| St Ives | Civil Parish |
| Cornwall | County |
| England | Constituent Country |
| UK | Country |
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Latitude & Longitude (WGS84):
50° 11' 30'' North , 5° 29' 15'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW511383
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| St Ives | 9,966 (2017) | 1.9km |
| Uny Lelant | 1,056 (2017) | 3.5km |
| Hayle | 8,210 (2017) | 4.8km |
| Marazion | 1,294 (2017) | 7.4km |
| Madron | 626 (2017) | 8.6km |
Ancient tin mines, active from 1837 to 1864 and re-opened in 1905 (total output: 213 tons of tin). Extensive waste tips are still present in the vicinity of Higher Vorvas Farm, about 1 km SW of Carbis Bay.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Cassiterite Formula: SnO2 References: |
| ⓘ 'Feldspar Group' |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Schorl Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| Group 9 - Silicates | |||
| ⓘ | Schorl | 9.CK.05 | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| Unclassified | |||
| ⓘ | 'Feldspar Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| B | Boron | |
| B | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | Oxygen | |
| O | ⓘ Cassiterite | SnO2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | Sodium | |
| Na | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | Aluminium | |
| Al | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Fe | Iron | |
| Fe | ⓘ Schorl | NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH) |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
Geochronology
| Geologic Time | Rocks, Minerals and Events | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Phanerozoic | ||||||||||||||||||||||
| Paleozoic | ||||||||||||||||||||||
| Permian | ||||||||||||||||||||||
| Guadalupian |
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| Cisuralian |
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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
- St Ives Mining DistrictMining District
- ⭔St Just Mining RegionRegion
- Devon and Cornwall metalliferous mining districtMining District
- Cornwall
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