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China Clay Mine (Harestones Umber Mine), Caldbeck, Allerdale, Cumbria, England, UK
China Clay Mine (Harestones Umber Mine), Caldbeck Fells Mining Region, Cumbria, England, UK

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Latitude & Longitude (WGS84): 54° 42' 5'' North , 3° 4' 9'' West
Latitude & Longitude (decimal): 54.70160,-3.06930
GeoHash:G#: gctz4nj5b
UK National Grid Reference:NY311346
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate


Opened in 1883 by Messrs Woof & Garth who worked it for one year (Adams, 1988). In 1884-1885 the mine was closed and the milling machinery was sold.

Regions containing this locality

Caldbeck Fells Mining Region, Cumbria, England, UK

Mining District - 312 mineral species & varietal names listed

Lake District National Park, Cumbria, England, UK

National Park - 409 mineral species & varietal names listed

Lake District National Park Authority - Caldbeck and Uldale Green Zone, Cumbria, England, UK

Mineral Collecting Permit Zone - 188 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


2 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Anorthoclase'
Formula: (Na,K)AlSi3O8
Reference: Eastwood, T., Hollingworth, S.E., Rose, W.C.C., and Trotter, F.M. (1968) Geology of the country around Cockermouth and Caldbeck. Memoirs of the Geological Survey of Great Britain. Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp. (referring to Eastwood et al., 1968).;
'commodity:Clay'
Reference: From USGS MRDS database
'Felsite'
Reference: Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.
Goethite
Formula: α-Fe3+O(OH)
Reference: Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Day, F.H. (1928) Some notes on the minerals of the Caldbeck Fells. Transactions of the Carlisle Natural History Society, 4, 66-79.; Shaw, W.T. (1970) Mining in the Lake Counties. Dalesman Books, Kendal. [2nd edition 1975 incorporating minor changes].; Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne, 104 pp.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp. (referring to Day, 1928, Shaw, 1970, and Young, 1987).; BMS Database
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne, 104 pp.; Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp. (referring to Young, 1987).

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Goethite'4.00.α-Fe3+O(OH)
Group 9 - Silicates
'Anorthoclase'9.FA.30(Na,K)AlSi3O8
'Kaolinite'9.ED.05Al2(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
'Felsite'-
'Limonite'-(Fe,O,OH,H2O)
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
'Anorthoclase'76.1.1.6(Na,K)AlSi3O8
Unclassified Minerals, Rocks, etc.
'Felsite'-
Kaolinite-Al2(Si2O5)(OH)4
'Limonite'-(Fe,O,OH,H2O)
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H KaoliniteAl2(Si2O5)(OH)4
H Limonite(Fe,O,OH,H2O)
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
OOxygen
O Anorthoclase(Na,K)AlSi3O8
O Goethiteα-Fe3+O(OH)
O KaoliniteAl2(Si2O5)(OH)4
O Limonite(Fe,O,OH,H2O)
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
NaSodium
Na Anorthoclase(Na,K)AlSi3O8
AlAluminium
Al Anorthoclase(Na,K)AlSi3O8
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si Anorthoclase(Na,K)AlSi3O8
Si KaoliniteAl2(Si2O5)(OH)4
KPotassium
K Anorthoclase(Na,K)AlSi3O8
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe Limonite(Fe,O,OH,H2O)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Carboniferous
323.2 - 358.9 Ma



ID: 3186080
Paleozoic sedimentary rocks

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Silurian - Ordovician
419.2 - 485.4 Ma



ID: 2032137
Unnamed Igneous Intrusion, Ordovician To Silurian

Age: Paleozoic (419.2 - 485.4 Ma)

Lithology: Felsic-rock

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Early Ordovician
470 - 485.4 Ma



ID: 3157764
Early Ordovician limestone

Age: Early Ordovician (470 - 485.4 Ma)

Lithology: Major:{limestone}, Minor{sandstone,siltstone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Addison, P.L. (1889-1890) Description of the Cleator Iron Ore Company's barytes and umber mines and refining mills in the Caldbeck Fells. Minutes of Proceedings of the Institution of Civil Engineers, 102, 283-291.
Day, F.H. (1928) Some notes on the minerals of the Caldbeck Fells. Transactions of the Carlisle Natural History Society, 4, 66-79.
Eastwood, T., Hollingworth, S.E., Rose, W.C.C., and Trotter, F.M. (1968) Geology of the country around Cockermouth and Caldbeck. Memoirs of the Geological Survey of Great Britain.
Shaw, W.T. (1970) Mining in the Lake Counties. Dalesman Books, Kendal. [2nd edition 1975 incorporating minor changes].
Young, B. (1987) Glossary of the minerals of the Lake District and adjoining areas. British Geological Survey, Newcastle upon Tyne, 104 pp.
Adams, J. (1988) Mines of the Lake District Fells. Dalesman Books, Clapham, Lancaster, 160 pp.
Cooper, M.P. and Stanley, C.J. (1990) Minerals of the English Lake District: Caldbeck Fells. Natural History Museum Publications, London, 160 pp.


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