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Swamp #2 quarry, Topsham, Sagadahoc County, Maine, USAi
Regional Level Types
Swamp #2 quarryQuarry
TopshamTown
Sagadahoc CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
43° 57' 0'' North , 69° 57' 8'' West
Latitude & Longitude (decimal):
43.95000,-69.95222
GeoHash:
G#: dry600y77
GRN:
N30W37
Type:
Quarry
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Topsham5,931 (2017)3.1km
Brunswick15,175 (2017)4.1km
Brunswick Station578 (2017)7.2km
Bowdoinham722 (2017)7.9km
Lisbon Falls4,100 (2017)10.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Kennebec Rocks and Minerals ClubWinthrop, Maine40km
Maine Mineralogical & Geological SocietyPortland, Maine41km
Mindat Locality ID:
3793
Long-form identifier:
mindat:1:2:3793:1
GUID (UUID V4):
e9f5e555-0532-4ef8-92e5-4411a1e74858


Granite pegmatite. Brunswick pegmatite field. There is very little dump obviously associated with this quarry. There is a dump adjacent to the Swamp #1 Quarry which may represent minerals from the quarry. There is a minimal amount of debris from this quarry spread around the western margin of the quarry. Minerals are the same as the Swamp #1 Quarry as it cuts the same pegmatite. Very fine world-class uraninites have been found in this and the adjacent quarry, although the overwhelming majority of specimens have come from the Swamp #1 Quarry. Locality was discovered by Cliff Trebilcock, Jr. when he was 13 years old.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ Allanite-(Ce)
Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Columbite-(Fe)
Formula: Fe2+Nb2O6
ⓘ Ishikawaite
Formula: U4+Fe2+Nb2O8
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8
✪ Uraninite
Formula: UO2
Description: The uraninites from this locality are among the finest in the world for brightness and sharpness of crystals. The largest crystals are about 2.5 cm in each direction. Chemical analysis shows them to be essentially unoxidized.
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

UO2ⓘ Uraninite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz
var. Smoky Quartz		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘIshikawaite4.DB.25U4+Fe2+Nb2O8
ⓘSamarskite-(Y) ?4.DB.25YFe3+Nb2O8
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
ⓘUraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘAllanite-(Ce)9.BG.05b(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAnnite9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘNontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite
var. Oligoclase		9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘ9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
Hⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Hⓘ AnniteKFe32+(AlSi3O10)(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Oⓘ AnniteKFe32+(AlSi3O10)(OH)2
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Columbite-(Fe)Fe2+Nb2O6
Oⓘ IshikawaiteU4+Fe2+Nb2O8
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ QuartzSiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ UraniniteUO2
Oⓘ ZirconZr(SiO4)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
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
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Alⓘ AnniteKFe32+(AlSi3O10)(OH)2
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Siⓘ AnniteKFe32+(AlSi3O10)(OH)2
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ ZirconZr(SiO4)
PPhosphorus
Pⓘ Monazite-(Ce)Ce(PO4)
SSulfur
Sⓘ PyriteFeS2
KPotassium
Kⓘ AnniteKFe32+(AlSi3O10)(OH)2
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ⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Feⓘ AnniteKFe32+(AlSi3O10)(OH)2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Columbite-(Fe)Fe2+Nb2O6
Feⓘ IshikawaiteU4+Fe2+Nb2O8
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Feⓘ PyriteFeS2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
YYttrium
Yⓘ Samarskite-(Y)YFe3+Nb2O8
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Columbite-(Fe)Fe2+Nb2O6
Nbⓘ IshikawaiteU4+Fe2+Nb2O8
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
CeCerium
Ceⓘ Allanite-(Ce)(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ceⓘ Monazite-(Ce)Ce(PO4)
UUranium
Uⓘ IshikawaiteU4+Fe2+Nb2O8
Uⓘ UraniniteUO2

Other Regions, Features and Areas containing this locality

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.
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