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Newington, Hartford Co., Connecticut, USAi
Regional Level Types
Newington- not defined -
Hartford Co.County
ConnecticutState
USACountry

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Latitude & Longitude (WGS84): 41° 41' 42'' North , 72° 43' 23'' West
Latitude & Longitude (decimal): 41.69500,-72.72306
GeoHash:G#: drkm1nkdv
Köppen climate type:Dfa : Hot-summer humid continental climate


The bedrock geology of Newington consists of Triassic-Jurassic Hartford Basin continental sedimentary rocks (arkosic sandstones, mudstones, and lacustrian black shales) interlayered with three basalt flows. The bedrock is heavily faulted, especially to the west near the border with New Britain, with some exposures showing steeply dipping, N45E trending faults every few meters. Mineralization is hosted primarily by the fault veins (low temperature hydrothermal deposition) and by gas cavities in the basalt.

There are numerous localities where the fault veins were well exposed by road cuts and other construction sites, which all show a similar suite of minerals - primarily dolomite, calcite, Herkimer-type quartz, barite, bitumen (mobilized from the lacustrian black shales), and sulfides. Most of these localities are very similar to those described by Scovil (2008), Hubert et al (1992), and Gray (1982).

Numerous small traprock quarries and construction site exposed the lava flows. Besides the vein mineralization, gas cavities in the basalt host the typical suite of datolite, prehnite, quartz, calcite, zeolites, apophyllite, etc.

Coordinates are for the Town Hall.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals.

Detailed Mineral List:

Anhydrite
Formula: CaSO4
Aragonite
Formula: CaCO3
Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
Azurite
Formula: Cu3(CO3)2(OH)2
Babingtonite
Formula: Ca2(Fe,Mn)FeSi5O14(OH)
Reference: P Cristofono collection
Baryte
Formula: BaSO4
'Bitumen'
Calcite
Formula: CaCO3
Reference: P. Cristofono collection
Chalcopyrite
Formula: CuFeS2
Reference: P Cristofono collection, 2007
Datolite
Formula: CaB(SiO4)(OH)
Reference: P Cristofono collection, 2007
Dolomite
Formula: CaMg(CO3)2
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Reference: P Cristofono collection
Galena
Formula: PbS
Reference: P Cristofono collection, 2007
Goethite
Formula: α-Fe3+O(OH)
Hematite
Formula: Fe2O3
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: P Cristofono collection, 2008
Malachite
Formula: Cu2(CO3)(OH)2
'Manganese Oxides'
Reference: P Cristofono collection
'Manganese Oxides var: Manganese Dendrites'
Reference: P Cristofono collection
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: P Cristofono collection
Opal
Formula: SiO2 · nH2O
Reference: P Cristofono collection, 2008
Opal var: Opal-AN
Formula: SiO2 · nH2O
Reference: P Cristofono collection, 2008
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: P. Cristofono collection
'Pumpellyite'
Pyrite
Formula: FeS2
Reference: P. Cristofono collection
Quartz
Formula: SiO2
Reference: P. Cristofono collection
Quartz var: Amethyst
Formula: SiO2
Siderite
Formula: FeCO3
Sphalerite
Formula: ZnS
Reference: P Cristofono collection, 2007

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
'Opal'4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Aurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Baryte7.AD.35BaSO4
Group 9 - Silicates
Babingtonite9.DK.05Ca2(Fe,Mn)FeSi5O14(OH)
Datolite9.AJ.20CaB(SiO4)(OH)
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
'Mordenite'9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Unclassified Minerals, Rocks, etc.
Bitumen-
'Manganese Oxides'-
'var: Manganese Dendrites'-
Pumpellyite-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Aurichalcite16a.4.2.1(Zn,Cu)5(CO3)2(OH)6
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Babingtonite65.4.1.2Ca2(Fe,Mn)FeSi5O14(OH)
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Fluorapophyllite-(K)72.3.1.1KCa4(Si8O20)(F,OH) · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Unclassified Minerals, Rocks, etc.
Aragonite-CaCO3
'Bitumen'-
'Manganese Oxides'-
'var: Manganese Dendrites'-
Opal
var: Opal-AN
-SiO2 · nH2O
'Pumpellyite'-
Quartz
var: Amethyst
-SiO2

List of minerals for each chemical element

HHydrogen
H Aurichalcite(Zn,Cu)5(CO3)2(OH)6
H AzuriteCu3(CO3)2(OH)2
H BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
H DatoliteCaB(SiO4)(OH)
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H Goethiteα-Fe3+O(OH)
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H MalachiteCu2(CO3)(OH)2
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H OpalSiO2 · nH2O
H Opal (var: Opal-AN)SiO2 · nH2O
H PrehniteCa2Al2Si3O10(OH)2
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C AragoniteCaCO3
C Aurichalcite(Zn,Cu)5(CO3)2(OH)6
C AzuriteCu3(CO3)2(OH)2
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
C SideriteFeCO3
OOxygen
O Quartz (var: Amethyst)SiO2
O AnhydriteCaSO4
O AragoniteCaCO3
O Aurichalcite(Zn,Cu)5(CO3)2(OH)6
O AzuriteCu3(CO3)2(OH)2
O BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
O BaryteBaSO4
O CalciteCaCO3
O DatoliteCaB(SiO4)(OH)
O DolomiteCaMg(CO3)2
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O Goethiteα-Fe3+O(OH)
O HematiteFe2O3
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
O LaumontiteCaAl2Si4O12 · 4H2O
O MalachiteCu2(CO3)(OH)2
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O OpalSiO2 · nH2O
O Opal (var: Opal-AN)SiO2 · nH2O
O PrehniteCa2Al2Si3O10(OH)2
O QuartzSiO2
O SideriteFeCO3
FFluorine
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al PrehniteCa2Al2Si3O10(OH)2
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Si DatoliteCaB(SiO4)(OH)
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si OpalSiO2 · nH2O
Si Opal (var: Opal-AN)SiO2 · nH2O
Si PrehniteCa2Al2Si3O10(OH)2
Si QuartzSiO2
SSulfur
S AnhydriteCaSO4
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
KPotassium
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
CaCalcium
Ca AnhydriteCaSO4
Ca AragoniteCaCO3
Ca BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Ca CalciteCaCO3
Ca DatoliteCaB(SiO4)(OH)
Ca DolomiteCaMg(CO3)2
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca PrehniteCa2Al2Si3O10(OH)2
MnManganese
Mn BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
FeIron
Fe BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
Fe HematiteFe2O3
Fe PyriteFeS2
Fe SideriteFeCO3
CuCopper
Cu Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Zn SphaleriteZnS
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

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

Early Jurassic
174.1 - 201.3 Ma



ID: 2968514
Portland Arkose

Age: Early Jurassic (174.1 - 201.3 Ma)

Stratigraphic Name: Portland Arkose

Description: Reddish-brown to maroon micaceous arkose and siltstone and red to black fissile silty shale. Grades eastward into coarse conglomerate (fanglomerate).

Comments: Part of Central Lowlands; Newark Terrane - Hartford and Pomperaug Mesozoic Basins. Part of Newark Supergroup (Upper Triassic and Lower Jurassic) Original map source: Connecticut Geological and Natural History Survey, DEP, in cooperation with the U.S. Geological Survey, 2000, Bedrock Geology of Connecticut, shapefile, scale 1:50,000

Lithology: Major:{arkose,siltstone}, Minor:{shale,conglomerate}

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]

Triassic
201.3 - 251.902 Ma



ID: 3188891
Mesozoic volcanic and intrusive rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Connecticut Valley Basin

Lithology: Mafic volcanic rocks; conglomerate,arkose,shale,arenite

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Gray, Norman H. (1982) COPPER OCCURRENCES IN THE HARTFORD BASIN OF NORTHERN CONNECTICUT. In Guidebook for Fieldtrips in Connecticut and South Central Massachusetts, New England Intercollegiate Geological Conference, 74th Annual Meeting, Connecticut Department Of Environmental Protection Guidebook No. 5, pages 195-211.
Hubert, John F., Paul E. Feshbach-Meriney and Michael A. Smith. (November 1992). THE TRIASSIC-JURASSIC HARTFORD RIFT BASIN, CONNECTICUT AND MASSACHUSETTS: EVOLUTION, SANDSTONE DIAGENESIS, AND HYDROCARBON HISTORY. AAPG Bulletin, volume 76, number 11.
Scovil, Jeffrey. (2008) MINERALS OF THE ELLIS STREET EXTENSION ROAD CUT, ROUTE 72, NEW BRITAIN, CONNECTICUT. Rocks & Minerals, volume 83, March/April 2008.

Localities in this Region
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