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Cowgreen Mine, Forest and Frith, Co. Durham, England, UK

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Contact metamorphosed 'sugar limestone' Cow Green Sept 2010

Cowgreen Mine, Forest and Frith, Co. Durham, England, UK
Baryte vein in metamorphosed limestone. Cow Green. Sept 2010

Cowgreen Mine, Forest and Frith, Co. Durham, England, UK
Contact metamorphosed 'sugar limestone' Cow Green Sept 2010

Cowgreen Mine, Forest and Frith, Co. Durham, England, UK
Baryte vein in metamorphosed limestone. Cow Green. Sept 2010

Cowgreen Mine, Forest and Frith, Co. Durham, England, UK
Contact metamorphosed 'sugar limestone' Cow Green Sept 2010

Cowgreen Mine, Forest and Frith, Co. Durham, England, UK
Latitude & Longitude (WGS84): 54° 40' 12'' North , 2° 17' 35'' West
Latitude & Longitude (decimal): 54.67001,-2.29309
GeoHash:G#: gcwr5b65z
UK National Grid Reference:NY811306
Locality type:Mine (Lost) - last checked 2018
Köppen climate type:Cfb : Temperate oceanic climate


Group of barytes mines which were flooded (not obliterated) by the construction of the Cowgreen Reservoir in the 1960s.
Veins worked worked at the main mine were the large Winterhush, Greenhush and Isabella veins. These were exploited in superficial earlier workings. Later development was by way of the Wrentnall Shaft (NY81053053) started by the Hedworth Barium Co., and by this company's principal level (grid ref. supplied). The main period of working commenced in 1935 under the Anglo-Austral Mining Co., who deepened the shaft and drove levels both north and south of it at various horizons down to, and including the Whin Sill.
The sandy shale (whetstone) adjacent to the Whin Sill has been albitised and lime-silicates have developed in argillaceous parts of the limestone.

Regions containing this locality

The Pennines, England, UK

Range of Mountains and Hills - 260 mineral species & varietal names listed

North Pennines Area, England, UK

Area of Outstanding Natural Beauty - 170 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Baryte
Formula: BaSO4
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Diopside
Formula: CaMgSi2O6
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Fluorite
Formula: CaF2
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Galena
Formula: PbS
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.
Millerite
Formula: NiS
Reference: Brian Young (2011) MILLERITE FROM COLDBERRY GUTTER AND GREAT EGGLESHOPE, TEESDALE, COUNTY DURHAM. NHSN-Transactions-Vol-71-part-2 pp111-114
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Reference: Dunham, Sir K. C. Geology of the North Pennine Orefield, Volume 1 Tyne to Stainmore (2nd Edition), pp 232, 235-237.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Galena'2.CD.10PbS
'Millerite'2.CC.20NiS
Group 3 - Halides
'Fluorite'3.AB.25CaF2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Baryte'7.AD.35BaSO4
Group 9 - Silicates
'Diopside'9.DA.15CaMgSi2O6
'Grossular'9.AD.25Ca3Al2(SiO4)3
'Vesuvianite'9.BG.35(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Millerite2.8.16.1NiS
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Vesuvianite58.2.4.1(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6

List of minerals for each chemical element

HHydrogen
H Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
BBoron
B Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O DiopsideCaMgSi2O6
O GrossularCa3Al2(SiO4)3
O Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
FFluorine
F FluoriteCaF2
F Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NaSodium
Na Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DiopsideCaMgSi2O6
Mg Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
AlAluminium
Al GrossularCa3Al2(SiO4)3
Al Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
SiSilicon
Si DiopsideCaMgSi2O6
Si GrossularCa3Al2(SiO4)3
Si Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
SSulfur
S BaryteBaSO4
S GalenaPbS
S MilleriteNiS
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca DiopsideCaMgSi2O6
Ca FluoriteCaF2
Ca GrossularCa3Al2(SiO4)3
Ca Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe Vesuvianite(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
NiNickel
Ni MilleriteNiS
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

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