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Swamp No. 1 Quarry, Topsham, Sagadahoc Co., Maine, USAi
Regional Level Types
Swamp No. 1 QuarryQuarry
Topsham- not defined -
Sagadahoc Co.County
MaineState
USACountry

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Key
Latitude & Longitude (WGS84):
43° 57' 1'' North , 69° 57' 10'' West
Latitude & Longitude (decimal):
Locality type:
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)10.0km


Granite Pegmatite. Brunswick Field. This pegmatite has produced some of the finest uraninite crystals known, although certainly not the largest. Crystals from here are mirror-faced and are exceptionally large with some crystals nearly 6 cm in maximum dimension. While there have been famous discoveries at Chestnut Flats Quarry, Spruce Pine District, Mitchell Co., North Carolina and from Ånnerud (Ånnerød), Moss, Østfold, Norway, and many occasional discoveries, elsewhere, the abundant and superior nature of this locality's specimens places them in the first rank of uraninite crystals. The locality was mapped by Shainin (1948) (Economic Geology of Some Pegmatites in Topsham, Maine). The uraninites were discovered by Cliff Trebilcock, Jr. about 1958 when he was 13 years old and the locality was subsequently drained of water and his parents joined him in recovering a large number of very fine crystals. The Swamp No. 1 and No. 2 Quarries are excavated into the same pegmatite and a narrow roadway separates the two quarries. By far, the Swamp No. 1 has been the more productive, although essentially equal quality crystals come from both. The Swamp No. 1 Quarry was re-prospected for uraninite by Cliff Trebilcock and Don Swenson in 1996.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


17 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Columbite-(Fe)
Formula: Fe2+Nb2O6
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Goethite
Formula: α-Fe3+O(OH)
Reference: Van King
Hematite
Formula: Fe2O3
Reference: Van King
Ishikawaite
Formula: U4+Fe2+Nb2O8
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1; King, V. and Foord, E., 2000, Mineralogy of Maine.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Microcline
Formula: K(AlSi3O8)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Monazite-(Ce)
Formula: Ce(PO4)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Pyrite
Formula: FeS2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Quartz
Formula: SiO2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Samarskite-(Y)
Formula: YFe3+Nb2O8
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1; King, V. and Foord, E., 2000, Mineralogy of Maine, volume 2.
Uraninite
Formula: UO2
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.
Zircon
Formula: Zr(SiO4)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, volume 1.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ishikawaite4.DB.25U4+Fe2+Nb2O8
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Samarskite-(Y) ?4.DB.25YFe3+Nb2O8
Uraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
var: Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Allanite-(Ce)9.BG.05b{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
ABO4
Ishikawaite8.1.4.1U4+Fe2+Nb2O8
Samarskite-(Y) ?8.1.11.1YFe3+Nb2O8
AB2O6
Columbite-(Fe)8.3.2.2Fe2+Nb2O6
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
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)
Allanite-(Ce)58.2.1a.1{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Sheets of 6-membered rings with 2:1 clays
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
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)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Albite
var: Oligoclase
-(Na,Ca)[Al(Si,Al)Si2O8]
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Quartz
var: Smoky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
H AnniteKFe32+(AlSi3O10)(OH)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H Goethiteα-Fe3+O(OH)
OOxygen
O UraniniteUO2
O AlbiteNa(AlSi3O8)
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O AlmandineFe32+Al2(SiO4)3
O AnniteKFe32+(AlSi3O10)(OH)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Columbite-(Fe)Fe2+Nb2O6
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 QuartzSiO2
O Quartz (var: Smoky Quartz)SiO2
O ZirconZr(SiO4)
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O IshikawaiteU4+Fe2+Nb2O8
O Samarskite-(Y)YFe3+Nb2O8
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Al AlmandineFe32+Al2(SiO4)3
Al AnniteKFe32+(AlSi3O10)(OH)2
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Si AlmandineFe32+Al2(SiO4)3
Si AnniteKFe32+(AlSi3O10)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si QuartzSiO2
Si Quartz (var: Smoky Quartz)SiO2
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)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
FeIron
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Fe AlmandineFe32+Al2(SiO4)3
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Columbite-(Fe)Fe2+Nb2O6
Fe MagnetiteFe2+Fe23+O4
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe PyriteFeS2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe IshikawaiteU4+Fe2+Nb2O8
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}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ce Monazite-(Ce)Ce(PO4)
UUranium
U UraniniteUO2
U IshikawaiteU4+Fe2+Nb2O8

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Shainin, V. E. (1948), Economic geology of some pegmatites in Topsham, Maine: Maine Geological Survey, Bulletin 5, 32 pp.
King, V. and Foord, E. (1994), Mineralogy of Maine, volume 1.
King, V. and Foord, E. (2000), Mineralogy of Maine, volume 2.

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