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Westford, Middlesex Co., Massachusetts, USAi
Regional Level Types
Westford- not defined -
Middlesex Co.County
MassachusettsState
USACountry

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Key
09390560015579213853219.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
06227380015579213861248.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
00470900015578863411787.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
01861220015578863401088.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
09390560015579213853219.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
06227380015579213861248.jpg
Granite Ledge, Indian Ridge Terrace, Westford MA

Westford, Middlesex Co., Massachusetts, USA
Latitude & Longitude (WGS84):
42° 34' 45'' North , 71° 26' 18'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Westford21,587 (2017)0.0km
Littleton Common2,789 (2017)4.7km
Chelmsford33,925 (2017)6.3km
Carlisle4,799 (2017)9.1km
Acton20,897 (2017)10.5km


The town of Westford was incorporated in 1729.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

10 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470).
Albite var: Oligoclase-Albite
Formula: Na(AlSi3O8)
Reference: Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470).
Andalusite
Formula: Al2(SiO4)O
Andalusite var: Chiastolite
Formula: Al2(SiO4)O
Reference: Kunz, Gems and Precious Stones of North America (1892)
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470).
'K Feldspar'
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Dale, T. N. (1910). Supplementary Notes on the Commercial Granites of New England (in Contributions to Economic Geology, USGS Bulletin 470).
Monazite-(Ce)
Formula: Ce(PO4)
Reference: Nitze, Henry B. C., 1895, Monazite, and Monazite Deposits in North Carolina, Bulletin 9, North Carolina Geological Survey, pp. 47.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Xenotime-(Y)
Formula: Y(PO4)
Reference: Pratt, Joseph H. (1905). Zircon, Monazite and Other Minerals Used in the Production of Chemical Compounds Employed in the Manufacture of Lighting Apparatus (NC Geological and Economic Survey Bull. 25)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase-Albite9.FA.35Na(AlSi3O8)
Andalusite9.AF.10Al2(SiO4)O
var: Chiastolite9.AF.10Al2(SiO4)O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Andalusite52.2.2b.1Al2(SiO4)O
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
var: Oligoclase-Albite-Na(AlSi3O8)
Andalusite
var: Chiastolite
-Al2(SiO4)O
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
Xenotime-(Y)-Y(PO4)

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AndalusiteAl2(SiO4)O
O Andalusite (var: Chiastolite)Al2(SiO4)O
O ApatiteCa5(PO4)3(Cl/F/OH)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O QuartzSiO2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Albite (var: Oligoclase-Albite)Na(AlSi3O8)
O RutileTiO2
O Garnet GroupX3Z2(SiO4)3
O MagnetiteFe2+Fe23+O4
O Xenotime-(Y)Y(PO4)
O Monazite-(Ce)Ce(PO4)
O AlbiteNa(AlSi3O8)
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al AndalusiteAl2(SiO4)O
Al Andalusite (var: Chiastolite)Al2(SiO4)O
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Al AlbiteNa(AlSi3O8)
SiSilicon
Si AndalusiteAl2(SiO4)O
Si Andalusite (var: Chiastolite)Al2(SiO4)O
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si QuartzSiO2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Albite (var: Oligoclase-Albite)Na(AlSi3O8)
Si Garnet GroupX3Z2(SiO4)3
Si AlbiteNa(AlSi3O8)
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
P Xenotime-(Y)Y(PO4)
P Monazite-(Ce)Ce(PO4)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
TiTitanium
Ti RutileTiO2
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe MagnetiteFe2+Fe23+O4
YYttrium
Y Xenotime-(Y)Y(PO4)
CeCerium
Ce Monazite-(Ce)Ce(PO4)

Localities in this Region

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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