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Ledge Road, Windham, Rockingham County, New Hampshire, USAi
Regional Level Types
Ledge RoadConstruction Site (Inactive)
WindhamTown
Rockingham CountyCounty
New HampshireState
USACountry

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09466820017272304972707.jpg
Graphite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
02429810017272304982313.jpg
Fluorapatite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
09691390017272289966793.jpg
Opal-AN

Ledge Road, Windham, Rockingham County, New Hampshire, USA
02377830017271923521268.jpg
Graphite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
02429810017272304982313.jpg
Fluorapatite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
09691390017272289966793.jpg
Opal-AN

Ledge Road, Windham, Rockingham County, New Hampshire, USA
07143280017272304986806.jpg
Graphite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
02429810017272304982313.jpg
Fluorapatite

Ledge Road, Windham, Rockingham County, New Hampshire, USA
Latitude & Longitude (WGS84):
42° 48' 13'' North , 71° 19' 13'' West
Latitude & Longitude (decimal):
42.80383,-71.32052
GRN:
N29W38
Type:
Construction Site (Inactive) - last checked 2023
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Windham13,091 (2017)1.4km
Pelham12,676 (2017)7.7km
Londonderry11,037 (2017)8.1km
Derry22,015 (2017)8.6km
Derry Village34,539 (2017)9.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Nashoba Valley Mineralogical SocietyWestford, Massachusetts27km
North Shore Rock & Mineral Club of MassachusettsSouth Hamilton, Massachusetts42km
Capital Mineral ClubConcord, New Hampshire48km
Mindat Locality ID:
220612
Long-form identifier:
mindat:1:2:220612:0
GUID (UUID V4):
0


An area under development in Windham, NH located atop a pegmatite dike as well as a diabase dike. The pegmatite dike resides in the western portion of the locality, and the diabase dike in the east. Locality not currently being developed, owned privately.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Detailed Mineral List:

ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Graphite
Formula: C
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Titanite
Formula: CaTi(SiO4)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ OpalSiO2 · nH2O
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
OOxygen
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
SSulfur
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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References

Walsh, G.J., Clark, S.F. (1999) Bedrock geologic map of the Windham Quadrangle, Rockingham and Hillsborough counties, New Hampshire. Open-File Report Vol. 1999 (99-8) US Geological Survey doi:10.3133/ofr998
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