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Acton, Middlesex County, Massachusetts, USAi
Regional Level Types
ActonTown
Middlesex CountyCounty
MassachusettsState
USACountry

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PhotosMapsSearch
07792010015700194181730.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
00488780015700194205966.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
00081040015700194217410.jpg
Granite "Ditch" at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
05341640015699780489271.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
04919780015699780454013.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
01966810015699780469589.jpg
Granite "Ditch" at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
07792010015700194181730.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
00488780015700194205966.jpg
Piles of Granite at Harris Quarry Site

Harris Quarry, Acton, Middlesex County, Massachusetts, USA
Neighbouring regions:
Carlisle, Middlesex County, Massachusetts, USA
Concord, Middlesex County, Massachusetts, USA
Westford, Middlesex County, Massachusetts, USA
Boxborough, Middlesex County, Massachusetts, USA
Littleton, Middlesex County, Massachusetts, USA
Stow, Middlesex County, Massachusetts, USA
Type:
Town
Largest Settlements:
PlacePopulation
Acton20,897 (2017)
Mindat Locality ID:
51426
Long-form identifier:
mindat:1:2:51426:9
GUID (UUID V4):
d3b9826f-6a6a-43aa-bc47-b3fc7b26cca9
Other Languages:
View 25 more...
French:
Acton, comté de Middlesex, Massachusetts, États-Unis
German:
Acton, Middlesex County, Massachusetts, Vereinigte Staaten
Italian:
Acton, contea di Middlesex, Massachusetts, Stati Uniti d'America
Simplified Chinese:
阿克頓 , 米德爾塞克斯縣, 麻薩諸塞州, 美国
Spanish:
Acton , Condado de Middlesex, Massachusetts, Estados Unidos
Arabic:
أكتون, مقاطعة ميدلسيكس, ماساتشوستس, الولايات المتحدة
Armenian:
Էկտոն, Միդլսեքս շրջան, Մասսաչուսեթս, Ամերիկայի Միացյալ Նահանգներ
Basque:
Acton , Middlesex konderria , Massachusetts
Bavarian:
Acton, Middlesex County, Massachusetts, Vaoanigte Stootn
Cebuano:
Acton, Middlesex County, Massachusetts
Chechen:
Эктон , Массачусетс, Америкин Цхьаьнатоьхна Штаташ
Dutch:
Acton, Middlesex County, Massachusetts, Verenigde Staten
Farsi/Persian:
اکتن، ماساچوست, شهرستان میدلسکس، ماساچوست, ماساچوست, ایالات متحده آمریکا
Hebrew:
אקטון, מחוז מידלסקס, מסצ'וסטס, ארצות הברית
Hungarian:
Acton, Middlesex megye, Massachusetts, Amerikai Egyesült Államok
Japanese:
アクトン , ミドルセックス郡, マサチューセッツ州, アメリカ合衆国
Kazakh (Cyrillic Script):
Акшн , Массачусетс, Америка Құрама Штаттары
Kyrgyz:
Акшн, Массачусетс, Америка Кошмо Штаттары
Latin:
Actonia, Massachusetta, Civitates Foederatae Americae
Polish:
Acton, Hrabstwo Middlesex, Massachusetts, Stany Zjednoczone
Portuguese:
Acton , Condado de Middlesex, Massachusetts, Estados Unidos
South Azerbaijani:
آکتون، ماساچوست, ماساچوست ایالتی, آمریکا بیرلشمیش ایالتلری
Swahili:
Acton, Massachusetts, Marekani
Swedish:
Acton, Middlesex County, Massachusetts, USA
Tatar:
Эктон , Массачусетс, Америка Кушма Штатлары
Turkish:
Acton, Middlesex County, Massachusetts, Amerika Birleşik Devletleri
Ukrainian:
Ектон, Міддлсекс, Массачусетс, Сполучені Штати Америки
Urdu:
ایکٹن، میساچوسٹس, مڈلسیکس کاؤنٹی، میساچوسٹس, میساچوسٹس, ریاستہائے متحدہ امریکا
Volapük:
Acton , Massachusetts, Lamerikän
Welsh:
Acton, Massachusetts, Unol Daleithiau America


The town of Acton was incorporated in 1735.

Quarrying was done in Acton throughout the 1800s but did not become a major industry until the 1880s. The Harris quarry, one of several in North Acton, was noted for its "slickened sides" granite. This was formed by faults in the ledge that rubbed together, heating and forming a polished look. The final product had a look similar to a light green and beige marble. Earlier times saw small-scale quarrying being done by the farmers to cut fence posts and foundation stones. Many examples of this can be found scattered through the woods, one such example is located near a trail at the Arboretum. Some of these small quarries form the upland vernal pools that the Conservation Commission sought to protect with the bylaw changes at the April 1996 Town Meeting.

Until the beginning of the 21st century, Nara Park in North Acton was the location of a large gravel pit.

Select Mineral List Type

Standard Detailed Gallery Strunz 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

14 valid minerals.

Rock Types Recorded

Note: 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)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ 'Chlorite Group'
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ 'Scapolite'
ⓘ Spinel
Formula: MgAl2O4
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘQuartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Feldspar Group'-
ⓘ'Chlorite Group'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Scapolite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
CCarbon
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ SpinelMgAl2O4
Oⓘ ZirconZr(SiO4)
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
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ⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ RutileTiO2
FeIron
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ⓘ MagnetiteFe2+Fe23+O4
CuCopper
Cuⓘ MalachiteCu2(CO3)(OH)2
ZrZirconium
Zrⓘ ZirconZr(SiO4)

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Acton,_Massachusetts
Wikidata ID:Q344431
GeoNames ID:4928703

Localities in this Region

USA

Other Regions, Features and Areas that Intersect

North America PlateTectonic Plate

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.

References

(n.d.)
Hitchcock, E. (1841) Final Report on the Geology of Massachusetts: Vol. 1, containing: I Economic Geology, II Scenographical Geology.
Cook, L.P. (1974) Metamorphosed Carbonate Rocks of the Nashoba Formation, Eastern Massachusetts. Cambridge, Massachusetts: Harvard University PhD Dissertation, 454 pages.
(1996)
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