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Milltown Quarry, Milltown, Ashover, Derbyshire, England, UKi
Regional Level Types
Milltown QuarryQuarry
Milltown- not defined -
Ashover- not defined -
DerbyshireCounty
EnglandConstituent Country
UKCountry

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Latitude & Longitude (WGS84): 53° 9' 19'' North , 1° 28' 24'' West
Latitude & Longitude (decimal): 53.15528,-1.47333
GeoHash:G#: gcqyqkx5u
UK National Grid Reference:SK352622
Locality type:Quarry
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Ashover659 (2018)1.2km
Tansley1,197 (2018)4.0km
Matlock14,956 (2017)5.8km
Wingerworth6,430 (2018)5.8km
Shirland3,447 (2018)5.9km


Milltown quarry is a small disused quarry, which was open for limestone extraction. In the 1990s the old quarry was use as a settlement pound for fluorspar slurry. It is crossed by a number of mineralised veins (or rakes), mostly fluorite/calcite. Some have in the past been worked for galena, and fluorite. The name dose not appear on OS maps until 1900, before this date it is just noted as old quarry (1880).
The mineralisation is thought to be related to Mississippi-Valley-type.

All of the unusual minerals were collected from a small area in the floor of the major Blackwells vein for a length of 1 m (which is now under 2 m of fluorspar slurry).

Located 1 km SE of Ashover.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
British IslesGroup of Islands

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


25 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Ashoverite (TL)
Formula: Zn(OH)2
Type Locality:
Baryte
Formula: BaSO4
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Ettringite
Formula: Ca6Al2(SO4)3(OH)12 · 26H2O
Fluorite
Formula: CaF2
Galena
Formula: PbS
Greenockite
Formula: CdS
Gypsum
Formula: CaSO4 · 2H2O
Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
Hydrocerussite
Formula: Pb3(CO3)2(OH)2
Hydrozincite
Formula: Zn5(CO3)2(OH)6
Litharge
Formula: PbO
Massicot
Formula: PbO
Palygorskite
Formula: (Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Sidpietersite
Formula: Pb2+4(S2O3)O2(OH)2
Smithsonite
Formula: ZnCO3
Sphalerite
Formula: ZnS
Sulphur
Formula: S8
Sweetite (TL)
Formula: Zn(OH)2
Type Locality:
'Unnamed (gamma-Zn(OH)2)'
Formula: γ-Zn(OH)2
'Unnamed (Tetragonal Pb Oxide Hydrate)'
Formula: Pb3O2(OH)2
Weddellite
Formula: Ca(C2O4) · (2.5-x)H2O
Wülfingite
Formula: Zn(OH)2

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
Galena2.CD.10PbS
Greenockite2.CB.45CdS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Ashoverite (TL)4.FA.10Zn(OH)2
Litharge4.AC.20PbO
Massicot4.AC.25PbO
Quartz4.DA.05SiO2
Sweetite (TL)4.FA.10Zn(OH)2
Wülfingite4.FA.10Zn(OH)2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Hydrocerussite5.BE.10Pb3(CO3)2(OH)2
Hydrozincite5.BA.15Zn5(CO3)2(OH)6
Smithsonite5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anglesite7.AD.35PbSO4
Baryte7.AD.35BaSO4
Ettringite7.DG.15Ca6Al2(SO4)3(OH)12 · 26H2O
Gypsum7.CD.40CaSO4 · 2H2O
Sidpietersite7.JA.05Pb2+4(S2O3)O2(OH)2
Group 9 - Silicates
Hemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
Palygorskite9.EE.20(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Group 10 - Organic Compounds
Weddellite10.AB.40Ca(C2O4) · (2.5-x)H2O
Unclassified Minerals, Rocks, etc.
'Unnamed (Tetragonal Pb Oxide Hydrate)'-Pb3O2(OH)2
'Unnamed (gamma-Zn(OH)2)'-γ-Zn(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Sulphur1.3.5.1S8
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX
Litharge4.2.4.1PbO
Massicot4.2.7.1PbO
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)2
Ashoverite (TL)6.2.11.1Zn(OH)2
Sweetite (TL)6.2.9.1Zn(OH)2
Wülfingite6.2.10.1Zn(OH)2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
Smithsonite14.1.1.6ZnCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Hydrocerussite16a.2.2.1Pb3(CO3)2(OH)2
Hydrozincite16a.4.1.1Zn5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
Miscellaneous
Ettringite31.10.2.1Ca6Al2(SO4)3(OH)12 · 26H2O
Group 50 - ORGANIC COMPOUNDS
Oxalates
Weddellite50.1.2.1Ca(C2O4) · (2.5-x)H2O
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Hemimorphite56.1.2.1Zn4Si2O7(OH)2 · H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Palygorskite74.3.1a.1(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Sidpietersite-Pb2+4(S2O3)O2(OH)2
'Unnamed (Tetragonal Pb Oxide Hydrate)'-Pb3O2(OH)2
'Unnamed (gamma-Zn(OH)2)'-γ-Zn(OH)2

List of minerals for each chemical element

HHydrogen
H AshoveriteZn(OH)2
H SweetiteZn(OH)2
H Unnamed (gamma-Zn(OH)2)γ-Zn(OH)2
H WülfingiteZn(OH)2
H Unnamed (Tetragonal Pb Oxide Hydrate)Pb3O2(OH)2
H WeddelliteCa(C2O4) · (2.5-x)H2O
H HydrocerussitePb3(CO3)2(OH)2
H EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
H Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
H SidpietersitePb42+(S2O3)O2(OH)2
H GypsumCaSO4 · 2H2O
H HemimorphiteZn4Si2O7(OH)2 · H2O
H HydrozinciteZn5(CO3)2(OH)6
CCarbon
C WeddelliteCa(C2O4) · (2.5-x)H2O
C HydrocerussitePb3(CO3)2(OH)2
C CalciteCaCO3
C CerussitePbCO3
C SmithsoniteZnCO3
C HydrozinciteZn5(CO3)2(OH)6
OOxygen
O AshoveriteZn(OH)2
O SweetiteZn(OH)2
O Unnamed (gamma-Zn(OH)2)γ-Zn(OH)2
O WülfingiteZn(OH)2
O Unnamed (Tetragonal Pb Oxide Hydrate)Pb3O2(OH)2
O WeddelliteCa(C2O4) · (2.5-x)H2O
O HydrocerussitePb3(CO3)2(OH)2
O AnglesitePbSO4
O BaryteBaSO4
O CalciteCaCO3
O CerussitePbCO3
O EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
O LithargePbO
O Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
O QuartzSiO2
O SmithsoniteZnCO3
O SidpietersitePb42+(S2O3)O2(OH)2
O GypsumCaSO4 · 2H2O
O HemimorphiteZn4Si2O7(OH)2 · H2O
O HydrozinciteZn5(CO3)2(OH)6
O MassicotPbO
FFluorine
F FluoriteCaF2
MgMagnesium
Mg Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
AlAluminium
Al EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Al Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
SiSilicon
Si Palygorskite(Mg,Al)5(Si,Al)8O20(OH)2 · 8H2O
Si QuartzSiO2
Si HemimorphiteZn4Si2O7(OH)2 · H2O
SSulfur
S GalenaPbS
S AnglesitePbSO4
S BaryteBaSO4
S EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
S SphaleriteZnS
S SidpietersitePb42+(S2O3)O2(OH)2
S GypsumCaSO4 · 2H2O
S PyriteFeS2
S SulphurS8
S GreenockiteCdS
CaCalcium
Ca WeddelliteCa(C2O4) · (2.5-x)H2O
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca EttringiteCa6Al2(SO4)3(OH)12 · 26H2O
Ca GypsumCaSO4 · 2H2O
FeIron
Fe PyriteFeS2
ZnZinc
Zn AshoveriteZn(OH)2
Zn SweetiteZn(OH)2
Zn Unnamed (gamma-Zn(OH)2)γ-Zn(OH)2
Zn WülfingiteZn(OH)2
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
Zn HemimorphiteZn4Si2O7(OH)2 · H2O
Zn HydrozinciteZn5(CO3)2(OH)6
CdCadmium
Cd GreenockiteCdS
BaBarium
Ba BaryteBaSO4
PbLead
Pb Unnamed (Tetragonal Pb Oxide Hydrate)Pb3O2(OH)2
Pb GalenaPbS
Pb HydrocerussitePb3(CO3)2(OH)2
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb LithargePbO
Pb SidpietersitePb42+(S2O3)O2(OH)2
Pb MassicotPbO

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

Late Carboniferous
298.9 - 323.2 Ma



ID: 3155456
Late Carboniferous claystone

Age: Pennsylvanian (298.9 - 323.2 Ma)

Lithology: Major:{claystone}, Minor{siltstone,sandstone,coal}

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]

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]

Mississippian
323.2 - 358.9 Ma



ID: 2035476
Dinantian Rocks (Undifferentiated)

Age: Mississippian (323.2 - 358.9 Ma)

Lithology: Limestone with subordinate sandstone and argillaceous rocks

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

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)
- Rust S.A. (1983): A micromount location in Derbyshire (Milltown). Mineral Realm 2, 15-23.
- Rust S.A. (1983): Weddellite - a new British mineral species from Derbyshire. Mineral Realm 3, 22.
- Rust S.A. (1983): Milltown Quarry, Derbyshire. Gems and Mineral Realm 16, 45-46.
- Rust S.A. (1991): The Minerals Of MILLTOWN QUARRY, Ashover, Derbyshire. UK Journal of Mines & Minerals, No. 10, 14-19.
- Rust, S.A. (1994): Seltene Mineralien aus dem Milltown-Steinbruch bei Ashover, Derbyshire, Großbritannien. Lapis, 19(12), 13-17; 58 (in German).


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