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Nonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USAi
Regional Level Types
Nonnewaug River Industrial ParkPark
Woodbury- not defined -
Litchfield Co.County

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Latitude & Longitude (WGS84): 41° 31' 26'' North , 73° 12' 3'' West
Latitude & Longitude (decimal): 41.52389,-73.20083
GeoHash:G#: dr7unr0y0
Locality type:Park
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
Woodbury Center1,294 (2017)2.3km
Woodbury9,755 (2017)2.4km
Southbury19,836 (2017)4.8km
Heritage Village3,736 (2017)5.3km
Middlebury6,974 (2017)6.1km

Construction site adjacent to Woodbury ambulance with mica schist, amphibolite and a small zone of intrusive pegmatite producing a fair amount of minerals. Fluorescent material was relatively abundant here. Mesolite found here may be natrolite or pectolite. Need raman testing.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

17 valid minerals.

Detailed Mineral List:

Actinolite ?
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Description: Thin black strands up to 2cm, occurring in small pockets.
Reference: Mike Polletta observation
Formula: Na(AlSi3O8)
Habit: anhedral grains
Colour: white
Fluorescence: pink
Description: Component of the gneiss/schist. Rarely as micro-crystals in tiny voids.
Reference: Mike Polletta Observation
Formula: Fe2+3Al2(SiO4)3
Habit: subhedral
Description: Grains up to 1cm in schist. Not impressive.
Reference: Mike Polletta Observation
Formula: Na(AlSi2O6) · H2O
Habit: Trapezohedron
Colour: white
Description: Crystals occur as white trapezohedrons up to 4mm in fractures.
Reference: Mike Polletta Observation
Reference: Mike Polletta Observation
Habit: rhombohedral
Colour: white
Description: Occurring as pseudo-cubic crystals up to 4mm in fractures in amphibolite.
Reference: Mike Polletta Observation
Formula: CuFeS2
Habit: anhedral
Colour: brassy
Description: Anhedral grains coated with chrysocolla.
Reference: Mike Polletta observations
'Chlorite Group'
Habit: micaceaous
Colour: dark green
Description: Component of the schist.
Reference: Mike Polletta Observation
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Habit: encrustation
Colour: blue-green
Description: Coating chalcopyrite grains.
Reference: Mike Polletta observations
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Habit: prismatic
Colour: pistachio green
Description: Micro crystals in fractures in amphibolite.
Reference: Mike Polletta Observation
Formula: Ca5(PO4)3F
Habit: subhedral
Colour: pale gray
Fluorescence: yellow
Description: Grains in pegmatite with typical yellow fluorescence under SW UV.
Reference: Mike Polletta Observation
'Heulandite subgroup'
Reference: Mike Polletta Observation
'K Feldspar'
Colour: white
Description: Micro-crystals in fractures in amphibolite.
Reference: Mike Polletta observations
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Colour: white
Description: Micro-crystals in fractures in amphibolite.
Reference: Mike Polletta observations
Formula: Al2(SiO4)O
Habit: flat prisms
Colour: pale blue-gray
Description: Crystals in schist to 1-2 cm.
Reference: Mike Polletta Observation
Mesolite ?
Formula: Na2Ca2Si9Al6O30 · 8H2O
Habit: acicular prisms
Colour: white
Description: Tiny sprays of clear, thin prisms in fractures.
Reference: Mike Polletta Observation
Formula: K(AlSi3O8)
Reference: Identified at a CT Museum
Formula: KAl2(AlSi3O10)(OH)2
Habit: tabular anhedral
Description: Component of the gneiss/schist.
Reference: Mike Polletta Observation
Formula: SiO2 · nH2O
Habit: waxy encrustations
Colour: pale blue-green
Fluorescence: green
Description: Typical coating on host rock mostly only visible under SW UV.
Reference: Mike Polletta Observation
Opal var: Opal-AN
Formula: SiO2 · nH2O
Habit: waxy encrustations
Colour: pale blue-green
Fluorescence: green
Description: Typical coating on host rock mostly only visible under SW UV.
Reference: Mike Polletta Observation
Pectolite ?
Formula: NaCa2Si3O8(OH)
Habit: acicular fibrous
Colour: white
Description: Radiating sprays of tiny fibrous crystals, opaque white rather than the clear white of suspected mesolite.
Reference: Mike Polletta observations
Formula: FeS2
Habit: anhedral
Description: Massive pyrite and small crystals mixed in with the pegmatite rock. Crystals rarely exceed 3mm here.
Reference: Mike Polletta Observation
Formula: SiO2
Habit: prismatic
Colour: white
Description: Small crystals to 5mm in voids, otherwise massive component of the gneiss/schist.
Reference: Mike Polletta observation
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: Doubly-terminated prisms
Colour: black
Description: Doubly-terminated crystals up to 3cm with nice luster, none were recovered from site.
Reference: Mike Polletta Observation
'Stilbite subgroup'
Habit: prisms and bow-tie aggregates
Colour: white
Description: Micro-crystals in fractures in schist.
Reference: Mike Polletta Observation

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
Group 9 - Silicates
Actinolite ?9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Analcime9.GB.05Na(AlSi2O6) · H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Mesolite ?9.GA.05Na2Ca2Si9Al6O30 · 8H2O
Pectolite ?9.DG.05NaCa2Si3O8(OH)
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Heulandite subgroup'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
AmBnXp, with (m+n):p = 1:2
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
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)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite ?
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Mesolite ? · 8H2O
Unclassified Minerals, Mixtures, etc.
Actinolite ?-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Chlorite Group'-
'Heulandite subgroup'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
var: Opal-AN
-SiO2 · nH2O
'Stilbite subgroup'-

List of minerals for each chemical element

H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Opal (var: Opal-AN)SiO2 · nH2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H AnalcimeNa(AlSi2O6) · H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H OpalSiO2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H MesoliteNa2Ca2Si9Al6O30 · 8H2O
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H PectoliteNaCa2Si3O8(OH)
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O AlmandineFe32+Al2(SiO4)3
O MicroclineK(AlSi3O8)
O KyaniteAl2(SiO4)O
O Opal (var: Opal-AN)SiO2 · nH2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AnalcimeNa(AlSi2O6) · H2O
O FluorapatiteCa5(PO4)3F
O QuartzSiO2
O K Feldspar (var: Adularia)KAlSi3O8
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O OpalSiO2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O AlbiteNa(AlSi3O8)
O MesoliteNa2Ca2Si9Al6O30 · 8H2O
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O PectoliteNaCa2Si3O8(OH)
F FluorapatiteCa5(PO4)3F
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na AnalcimeNa(AlSi2O6) · H2O
Na AlbiteNa(AlSi3O8)
Na MesoliteNa2Ca2Si9Al6O30 · 8H2O
Na PectoliteNaCa2Si3O8(OH)
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al AlmandineFe32+Al2(SiO4)3
Al MicroclineK(AlSi3O8)
Al KyaniteAl2(SiO4)O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AnalcimeNa(AlSi2O6) · H2O
Al K Feldspar (var: Adularia)KAlSi3O8
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AlbiteNa(AlSi3O8)
Al MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si AlmandineFe32+Al2(SiO4)3
Si MicroclineK(AlSi3O8)
Si KyaniteAl2(SiO4)O
Si Opal (var: Opal-AN)SiO2 · nH2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si AnalcimeNa(AlSi2O6) · H2O
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si OpalSiO2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si AlbiteNa(AlSi3O8)
Si MesoliteNa2Ca2Si9Al6O30 · 8H2O
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si PectoliteNaCa2Si3O8(OH)
P FluorapatiteCa5(PO4)3F
S PyriteFeS2
S ChalcopyriteCuFeS2
K MicroclineK(AlSi3O8)
K K Feldspar (var: Adularia)KAlSi3O8
K MuscoviteKAl2(AlSi3O10)(OH)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluorapatiteCa5(PO4)3F
Ca MesoliteNa2Ca2Si9Al6O30 · 8H2O
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca PectoliteNaCa2Si3O8(OH)
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe AlmandineFe32+Al2(SiO4)3
Fe PyriteFeS2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe ChalcopyriteCuFeS2
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Cu ChalcopyriteCuFeS2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O

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

Early Jurassic
174.1 - 201.3 Ma

ID: 2858461
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]

Ordovician - Neoproterozoic
443.8 - 1000 Ma

ID: 3190671
Precambrian-Phanerozoic sedimentary rocks

Age: Neoproterozoic to Ordovician (443.8 - 1000 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

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, used under Creative Commons Attribution 4.0 License

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