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Mountain Top Trucking quarry, Torrington (Wolcottville), Litchfield County, Connecticut, USAi
Regional Level Types
Mountain Top Trucking quarryQuarry
Torrington (Wolcottville)Municipality
Litchfield CountyCounty
ConnecticutState
USACountry

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Latitude & Longitude (WGS84):
41° 49' 45'' North , 73° 6' 39'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
West Torrington36,000 (2017)3.0km
Torrington34,906 (2017)3.3km
Northwest Harwinton3,252 (2017)6.4km
Winchester Center10,830 (2017)8.1km
Winsted7,712 (2017)11.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bristol Gem & Mineral ClubBristol, Connecticut22km
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut41km
Mindat Locality ID:
252850
Long-form identifier:
mindat:1:2:252850:5
GUID (UUID V4):
0


A small aggregate quarry and concrete manufacturer. Quarry works a Late Proterozoic, layered, granitic orthogneiss with calc-silicate, biotite-rich and amphibolite lenses. The gneiss is part of the Laurentian basement terrane exposed in the southern end of the Berkshire Highlands.

Cross-cutting hydrothermal veins to approximately 7cm thick contain quartz crystals with chlorite inclusions. The crystals can sometimes be very clear and quite aesthetic.

Calc-silicate lenses contain small pods of massive pink or purple scapolite and large, well formed blades of actinolite.

Several samples of salmon-colored microcline-rich granite gneiss recovered bordering the quartz veins have numerous small grains of unknown minerals. These may be allanite and zircon var. cyrtolite. The granite gneiss appears to be moderately altered by hydrothermal activity. More detailed analysis is needed.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Albite
Formula: Na(AlSi3O8)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'
Diopside
Formula: CaMgSi2O6
Description: Occurring as 2mm crystals in massive diopside.
Fluorapatite
Formula: Ca5(PO4)3F
Description: Sharp blue crystals that were damaged upon discovery. Yellow fluorescence.
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
'Scapolite'
Titanite
Formula: CaTi(SiO4)O
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Description: Sharp green blades. None terminated

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Titanite9.AG.15CaTi(SiO4)O
Diopside9.DA.15CaMgSi2O6
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Scapolite'-

List of minerals for each chemical element

HHydrogen
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
OOxygen
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O AlbiteNa(AlSi3O8)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O DiopsideCaMgSi2O6
O FluorapatiteCa5(PO4)3F
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O TitaniteCaTi(SiO4)O
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si DiopsideCaMgSi2O6
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca DiopsideCaMgSi2O6
Ca FluorapatiteCa5(PO4)3F
Ca TitaniteCaTi(SiO4)O
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe PyriteFeS2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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