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Route 114 calc-silicate locality, North Andover, Essex County, Massachusetts, USAi
Regional Level Types
Route 114 calc-silicate localityConstruction Site (Built Over)
North AndoverTown
Essex CountyCounty
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° 38' 32'' North , 71° 4' 55'' West
Latitude & Longitude (decimal):
42.64250,-71.08220
GeoHash:
G#:drt6w6zd8
GRN:
N29W38
Type:
Construction Site (Built Over) - last checked 2023
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Andover8,762(2017)4.8km
Boxford2,339(2017)7.3km
North Reading14,101(2017)7.5km
Middleton9,859(2017)7.5km
North Andover28,222(2017)7.6km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
North Shore Rock & Mineral Club of MassachusettsSouth Hamilton, Massachusetts17km
Nashoba Valley Mineralogical SocietyWestford, Massachusetts30km
Boston Mineral Club, Inc.Boston, Massachusetts32km
Mindat Locality ID:
211698
Long-form identifier:
mindat:1:2:211698:6
GUID (UUID V4):
f2f4c36d-dcfb-48c5-b61e-d8aff1f0e780


Bedrock consisting of calc-silicate gneiss of the metasedimentary Boxford Formation as well as interlayered granite and pegmatite were exposed during construction of a housing subdivision off of State Route 114. The site is now built over.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘActinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘCalcite
Formula:CaCO3
ⓘClinozoisite
Formula:(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘDiopside
Formula:CaMgSi2O6
ⓘGrossular
Formula:Ca3Al2(SiO4)3
ⓘOpal
Formula:SiO2 · nH2O
ⓘOpal var. Opal-AN
Formula:SiO2 · nH2O
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘQuartz
Formula:SiO2

List of minerals arranged by Strunz 10th Edition classification

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 9 - Silicates
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Unclassified
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
HⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
HⓘClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
HⓘOpal var.Opal-ANSiO2 · nH2O
HⓘOpalSiO2 · nH2O
CCarbon
CⓘCalciteCaCO3
OOxygen
OⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
OⓘCalciteCaCO3
OⓘClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
OⓘDiopsideCaMgSi2O6
OⓘGrossularCa3Al2(SiO4)3
OⓘOpal var.Opal-ANSiO2 · nH2O
OⓘOpalSiO2 · nH2O
OⓘQuartzSiO2
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
MgⓘDiopsideCaMgSi2O6
AlAluminium
AlⓘClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
AlⓘGrossularCa3Al2(SiO4)3
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
SiⓘClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
SiⓘDiopsideCaMgSi2O6
SiⓘGrossularCa3Al2(SiO4)3
SiⓘOpal var.Opal-ANSiO2 · nH2O
SiⓘOpalSiO2 · nH2O
SiⓘQuartzSiO2
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaCalcium
CaⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
CaⓘCalciteCaCO3
CaⓘClinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
CaⓘDiopsideCaMgSi2O6
CaⓘGrossularCa3Al2(SiO4)3
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FeIron
FeⓘActinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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