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"Foothold Cleft", Airline Railroad, East Hampton (Chatham), Middlesex Co., Connecticut, USAi
Regional Level Types
"Foothold Cleft"- not defined -
Airline Railroad- not defined -
East Hampton (Chatham)Quarry
Middlesex Co.County
ConnecticutState
USACountry

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Key
Latitude & Longitude (WGS84):
41° 34' 32'' North , 72° 29' 47'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
East Hampton2,691 (2017)0.5km
Lake Pocotopaug3,436 (2017)2.8km
Terramuggus1,025 (2017)7.0km
Moodus1,413 (2017)8.9km
Higganum1,698 (2017)10.1km


A mere 50ft from the tourmaline occurrence on the airline trail, a long cavity of quartz, andulari, and pyrite was found by mistake by Rowan Lytle while climbing around, looking at the rock faces. Clear, terminated crystals up to 4cm were found, and many had chlorite and kaolinite inclusions.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

'Chlorite Group'
Habit: grains in quartz and host rock
Colour: green-grey
Reference: Rowan M. Lytle Collection
Goethite
Formula: α-Fe3+O(OH)
Reference: Rowan M. Lytle Collection
Graphite
Formula: C
Reference: Rowan M. Lytle Collection
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Rowan M. Lytle Collection
'K Feldspar'
Reference: Rowan M. Lytle Collection
'K Feldspar var: '
Formula: KAlSi3O8
Reference: Rowan M. Lytle Collection
Pyrite
Formula: FeS2
Reference: Rowan M. Lytle Collection
Quartz
Formula: SiO2
Habit: well formed, often doubly terminated
Colour: transparent or milky
Description: Some have phantoms of kaolinite or chlorite. Size ranges from 3mm to 3cm.
Reference: Rowan M. Lytle Collection

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Quartz4.DA.05SiO2
Group 9 - Silicates
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Kaolinite-Al2(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
H KaoliniteAl2(Si2O5)(OH)4
H Goethiteα-Fe3+O(OH)
CCarbon
C GraphiteC
OOxygen
O QuartzSiO2
O K Feldspar (var: Adularia)KAlSi3O8
O KaoliniteAl2(Si2O5)(OH)4
O Goethiteα-Fe3+O(OH)
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si KaoliniteAl2(Si2O5)(OH)4
SSulfur
S PyriteFeS2
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
FeIron
Fe PyriteFeS2
Fe Goethiteα-Fe3+O(OH)

References

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Rowan M. Lytle Collection

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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