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Heights Mine, Westgate, Stanhope, County Durham, England, UKi
Regional Level Types
Heights MineMine
WestgateVillage
StanhopeCivil Parish
County DurhamCounty
EnglandConstituent Country
UKCountry
Heights Mine, Westgate, Weardale, County Durham, England, UK

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Key
Latitude & Longitude (WGS84):
54° 44' 51'' North , 2° 7' 21'' West
Latitude & Longitude (decimal):
UK National Grid Reference:
NY921392
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Stanhope1,602 (2017)6.8km
Frosterley636 (2017)10.8km
Middleton in Teesdale934 (2017)13.9km
Wolsingham2,503 (2017)15.5km
Mickleton413 (2017)16.2km


The Heights mine is located to the north of the River Wear, between the villages of Eastgate and Westgate. The Heights mine proper consists of numerous underground workings that were developed on three principal veins - the roughly parallel Heights North and South veins and the intersecting West Cross vein. Most of the workings were developed to access the associated flats at the High Flats horizon in the Great Limestone.

Though some lead was obtained from the flats by the Beaumont Company during the early 1860s, the Heights mine was principally worked by the Weardale Iron Company between 1850 and 1868 as a source of iron ore. Commercial iron deposits were found in the flats surrounding the veins as limonite derived from the oxidation of iron carbonates (ankerite and/or siderite).

The flats associated with the three main veins are quite vuggy and have been the source of some magnificent specimens of twinned emerald-green fluorite, in crystals up to 4 centimeters. Well-formed specimens of pale purple to colorless fluorite have also been found. Associated minerals include galena, calcite, and aragonite. Larger, opaque green fluorite crystals to 8 centimeters have also been encountered.

The old underground workings, long a source of specimens dug by amateur collectors, were in dangerous condition and were sealed in the late 1970s. In recent years the area surrounding the original mine has been developed as a quarry for crushed stone and as quarrying progressed, portions of the South and West Cross veins were again exposed.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Aragonite
Formula: CaCO3
Reference: No reference listed
Calcite
Formula: CaCO3
Reference: M. Woodward collection
Fluorite
Formula: CaF2
Reference: Fluorite: The Collector's Choice. Extra Lapis English No. 9
Galena
Formula: PbS
Reference: No reference listed
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Fluorite: The Collector's Choice. Extra Lapis English No. 9
Quartz
Formula: SiO2
Reference: small crystals associated with fluorite (P Haas collection)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
OOxygen
O AragoniteCaCO3
O CalciteCaCO3
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
FFluorine
F FluoriteCaF2
SiSilicon
Si QuartzSiO2
SSulfur
S GalenaPbS
CaCalcium
Ca FluoriteCaF2
Ca AragoniteCaCO3
Ca CalciteCaCO3
FeIron
Fe Limonite(Fe,O,OH,H2O)
PbLead
Pb GalenaPbS

Other Regions, Features and Areas containing this locality

British IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
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