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Swamp #2 quarry, Topsham, Sagadahoc Co., Maine, USAi
Regional Level Types
Swamp #2 quarryQuarry
Topsham- not defined -
Sagadahoc Co.County
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
Locality 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


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.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


15 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Allanite-(Ce)
Formula: {CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Reference: No reference listed
'Biotite'
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Columbite-(Fe)
Formula: Fe2+Nb2O6
Reference: King, V.T., 1994, Mineralogy of Maine, Descriptive Mineralogy, v.1.
Ishikawaite
Formula: U4+Fe2+Nb2O8
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Magnetite
Formula: Fe2+Fe3+2O4
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Microcline
Formula: K(AlSi3O8)
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Monazite-(Ce)
Formula: Ce(PO4)
Reference: No reference listed
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: King & Foord, 1994: Mineralogy of Maine, V.1
Pyrite
Formula: FeS2
Reference: Don Swenson collection
Quartz
Formula: SiO2
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Quartz var: Smoky Quartz
Formula: SiO2
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
Samarskite-(Y)
Formula: (Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
Reference: King, V.T., 2000. Mineralogy of Maine, v.2.
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.
Reference: King, V. and Foord, E., 1994, Mineralogy of Maine; analysis by Foord et al. (1997) Additional Studies on Mixed Uranyl Oxide-Hydroxide Hydrate Alteration Products..., Canadian Mineralogist, 35:145-151.
Zircon
Formula: Zr(SiO4)
Reference: "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998

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
Ishikawaite4.DB.25U4+Fe2+Nb2O8
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Samarskite-(Y) ?4.DB.25(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
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'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
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) ?8.1.11.1(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
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'-
Quartz
var: Smoky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
H AnniteKFe32+(AlSi3O10)(OH)2
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
OOxygen
O UraniniteUO2
O Monazite-(Ce)Ce(PO4)
O AlmandineFe32+Al2(SiO4)3
O IshikawaiteU4+Fe2+Nb2O8
O MicroclineK(AlSi3O8)
O MagnetiteFe2+Fe23+O4
O MuscoviteKAl2(AlSi3O10)(OH)2
O Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
O AlbiteNa(AlSi3O8)
O QuartzSiO2
O Quartz (var: Smoky Quartz)SiO2
O ZirconZr(SiO4)
O AnniteKFe32+(AlSi3O10)(OH)2
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
O Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
O Columbite-(Fe)Fe2+Nb2O6
O Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
NaSodium
Na Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Na AlbiteNa(AlSi3O8)
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
AlAluminium
Al AlmandineFe32+Al2(SiO4)3
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Al AlbiteNa(AlSi3O8)
Al AnniteKFe32+(AlSi3O10)(OH)2
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Al Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si AlmandineFe32+Al2(SiO4)3
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Si AlbiteNa(AlSi3O8)
Si QuartzSiO2
Si Quartz (var: Smoky Quartz)SiO2
Si ZirconZr(SiO4)
Si AnniteKFe32+(AlSi3O10)(OH)2
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
PPhosphorus
P Monazite-(Ce)Ce(PO4)
SSulfur
S PyriteFeS2
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K AnniteKFe32+(AlSi3O10)(OH)2
CaCalcium
Ca Albite (var: Oligoclase)(Na,Ca)[Al(Si,Al)Si2O8]
Ca Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Ca Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe IshikawaiteU4+Fe2+Nb2O8
Fe MagnetiteFe2+Fe23+O4
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Fe PyriteFeS2
Fe Columbite-(Fe)Fe2+Nb2O6
Fe Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
YYttrium
Y Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb IshikawaiteU4+Fe2+Nb2O8
Nb Columbite-(Fe)Fe2+Nb2O6
Nb Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
CeCerium
Ce Monazite-(Ce)Ce(PO4)
Ce Allanite-(Ce){CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
TaTantalum
Ta Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
ThThorium
Th Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8
UUranium
U UraniniteUO2
U IshikawaiteU4+Fe2+Nb2O8
U Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Ordovician - Neoproterozoic
443.8 - 1000 Ma



ID: 2862157
Ordovician - Precambrian Z Cushing Formation, sulfidic pelite

Age: Neoproterozoic to Ordovician (443.8 - 1000 Ma)

Stratigraphic Name: Cushing Formation

Description: Ordovician - Precambrian Z Cushing Formation sulfidic pelite

Comments: E - Epidote-amphibolite facies; AA - Low rank amphibolite facies; AB - Medium rank amphibolite facies; Protolith V - Basaltic volcanic rocks Original map source: Digital bedrock data downloaded from Maine Office of GIS in September 2005; permission to redistribute these data granted by Dr. Robert Marvinney, State Geologist of Maine, in September 2006. Based on 1985 paper geologic map (Reference ME002).

Lithology: Major:{mudstone,sandstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Ordovician - Cambrian
443.8 - 541 Ma



ID: 3189709
Paleozoic sedimentary rocks

Age: Paleozoic (443.8 - 541 Ma)

Lithology: Limestone,shale

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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