Bojewan Placers, Sancreed, Cornwall, England, UKi
| Regional Level Types | |
|---|---|
| Bojewan Placers | Group of Placers |
| Sancreed | Civil Parish |
| Cornwall | County |
| England | Constituent Country |
| UK | Country |
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Latitude & Longitude (WGS84):
50° 5' 12'' North , 5° 35' 35'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
SW430270
Type:
Group of Placers
Köppen climate type:
H G Dines, The Metalliferous Mining Region of South-West England Vol 1, p105.
An alluvial deposit, near Bojewans, at the confluence of a valley that reaches the coast at Lamorna (above GR approximate only). A tin bearing gravel, with mainly cassiterite of the wood tin variety, frequently occurring coating quartz crystals
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
4 valid minerals.
Detailed Mineral List:
| ⓘ Cassiterite Formula: SnO2 |
| ⓘ Cassiterite var. Wood Tin Formula: SnO2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Siderite Formula: FeCO3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| ⓘ | var. Wood Tin | 4.DB.05 | SnO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Siderite | 5.AB.05 | FeCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Siderite | FeCO3 |
| O | Oxygen | |
| O | ⓘ Cassiterite | SnO2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Siderite | FeCO3 |
| O | ⓘ Cassiterite var. Wood Tin | SnO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Fe | Iron | |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Siderite | FeCO3 |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
| Sn | ⓘ Cassiterite var. Wood Tin | 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
UK
- England
- Cornwall
- ⭔St Just Mining RegionRegion
- Devon and Cornwall metalliferous mining districtMining District
- Cornwall
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Bojewan Placers, Sancreed, Cornwall, England, UK