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Shaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess Co., New York, USAi
Regional Level Types
Shaft 7- not defined -
Delaware Aqueduct- not defined -
Town of Fishkill- not defined -
Dutchess Co.County
New YorkState
USACountry

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Key
Latitude & Longitude (WGS84):
41° 31' 27'' North , 73° 52' 23'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Merritt Park1,256 (2017)1.6km
Brinckerhoff2,900 (2017)2.2km
Fishkill2,133 (2017)2.5km
Beacon14,347 (2017)8.3km
Hopewell Junction376 (2017)8.5km


Based on information in Zodac (1941) axinite seems to have been found in the tunnel heading approximately 5000 feet southeast of Shaft 7, near the locality cited for coarse diopside, sphene and pyrite. The occurrence is described as an open vein containing actinolite, calcite and pyrite. This is consistent with other, similar localities to the southwest at the Oxford Stone Quarry, Ghost Lake and elsewhere.

Shaft 7 is at the northern edge of a range of highlands, underlain by Precambrian rocks, mostly gneisses, known as the Reading Prong. It is evident from the information provided by Zodak (1941) that the Precambrian rocks, where the axinite was found, included thin bands of impure marble and skarn. Fractures were numerous and the locality was no more than a few hundred feet from the contact with Paleozoic quartzite and dolomite. The presence of calcium-rich lithologies, abundant fracturing and proximity to the Paleozoic rocks are the major factors common to several occurrences of axinite-group minerals strung out between this locality and Camel Hump, near Bethlehem, Pa.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


22 valid minerals.

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Zodac, P., 1941
Albite
Formula: Na(AlSi3O8)
Reference: Zodac, P., 1941
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Zodac, P., 1941
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Zodac, P., 1941
Aragonite
Formula: CaCO3
Reference: Zodac, P., 1941
'Asbestos'
Description: Tremolite
Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
'Asbestos var: Mountain Leather'
Description: Tremolite
Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Zodac, P., 1941
'Axinite Group'
Reference: Zodac, P., 1941, Shaft 7 Near Fishkill, N. Y., Rocks and Minerals, V. 16, #1, p. 3-11
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Zodac, P., 1941
Calcite
Formula: CaCO3
Reference: Zodac, P., 1941
'Chlorite Group'
Reference: Zodac, P., 1941
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Zodac, P., 1941
Diopside
Formula: CaMgSi2O6
Reference: Zodac, P., 1941
Dolomite
Formula: CaMg(CO3)2
Reference: Zodac, P., 1941
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Zodac, P., 1941
Fluorite
Formula: CaF2
Reference: Zodac, P., 1941
Graphite
Formula: C
Reference: Zodac, P., 1941
'Hornblende'
Reference: Zodac, P., 1941
Microcline
Formula: K(AlSi3O8)
Reference: Zodac, P., 1941
Molybdenite
Formula: MoS2
Reference: Zodac, P., 1941
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Zodac, P., 1941
Orthoclase
Formula: K(AlSi3O8)
Reference: Zodac, P., 1941
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Zodac, P., 1941
Pyrite
Formula: FeS2
Reference: Zodac, P., 1941
Quartz
Formula: SiO2
Reference: Zodac, P., 1941
Rhodonite
Formula: Mn2+SiO3
Reference: Zodac, P., 1941
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Zodac, P., 1941
'Stilbite subgroup'
Reference: Zodac, P., 1941
Titanite
Formula: CaTi(SiO4)O
Reference: Zodac, P., 1941
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Description: "mountain leather" variety
Reference: George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Orthoclase9.FA.30K(AlSi3O8)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Rhodonite9.DK.05Mn2+SiO3
Titanite9.AG.15CaTi(SiO4)O
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Asbestos'-
'var: Mountain Leather'-
'Axinite Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Hornblende'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Stilbite subgroup'-

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
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
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
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
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)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
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)
Orthoclase76.1.1.1K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Apatite'-Ca5(PO4)3(Cl/F/OH)
Aragonite-CaCO3
'Asbestos'-
'var: Mountain Leather'-
'Axinite Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-
'Hornblende'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
'Stilbite subgroup'-

List of minerals for each chemical element

HHydrogen
H Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H PhlogopiteKMg3(AlSi3O10)(OH)2
H ChrysotileMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C AragoniteCaCO3
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C GraphiteC
OOxygen
O Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O AlbiteNa(AlSi3O8)
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O ApatiteCa5(PO4)3(Cl/F/OH)
O AragoniteCaCO3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O AlmandineFe32+Al2(SiO4)3
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O PhlogopiteKMg3(AlSi3O10)(OH)2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O DiopsideCaMgSi2O6
O RhodoniteMn2+SiO3
O QuartzSiO2
O ChrysotileMg3(Si2O5)(OH)4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O TitaniteCaTi(SiO4)O
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg DiopsideCaMgSi2O6
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al AlmandineFe32+Al2(SiO4)3
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Allanite Group{A12+REE3+}{M23+M32+}(Si2O7)(SiO4)O(OH)
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si AlbiteNa(AlSi3O8)
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si AlmandineFe32+Al2(SiO4)3
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si DiopsideCaMgSi2O6
Si RhodoniteMn2+SiO3
Si QuartzSiO2
Si ChrysotileMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si TitaniteCaTi(SiO4)O
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S MolybdeniteMoS2
S PyriteFeS2
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca AragoniteCaCO3
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluoriteCaF2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca DiopsideCaMgSi2O6
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn RhodoniteMn2+SiO3
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe AlmandineFe32+Al2(SiO4)3
Fe PyriteFeS2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
MoMolybdenum
Mo MolybdeniteMoS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cummings, Warren. (1983), Ferroaxinite from Bridgeville, New Jersey. The Mineralogical Record (January-February).
Wolf, A., Rakovan, J., and Cahill, C. (2003), Ferroaxinite from Lime Crest Quarry, Sparta, New Jersey. Rocks and Minerals (July-August).
Zodac, P. (1941), Shaft 7 Near Fishkill, New York, Rocks and Minerals: 16(1): 3-11.

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