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Chester, Chester Township, Morris Co., New Jersey, USAi
Regional Level Types
Chester- not defined -
Chester TownshipTownship
Morris Co.County
New JerseyState
USACountry

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Latitude & Longitude (WGS84): 40° 47' North , 74° 40' West
Latitude & Longitude (decimal): 40.78333,-74.66667
GeoHash:G#: dr6bhbmkh
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Chester1,675 (2017)2.5km
Mendham5,001 (2017)5.6km
Gladstone2,086 (2017)6.8km
Peapack2,086 (2017)7.4km
Long Valley1,879 (2017)9.6km


Ref.: New Jersey State Geologist Annual Report (1879): 156.

New Jersey State Geologist Annual Report (1893): 430.

Located about 2 miles East of Chester.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

12 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: David S. Bernstein-11/2009
'Apatite'
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 77.
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: The Iron Mines of NJ (1910), Bayley:431
'Biotite'
Ferro-hornblende
Formula: ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Reference: The Iron Mines of NJ (1910), Bayley:442; NJ State Geol. Ann. Rpt. (1886):138.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.
Graphite
Formula: C
Reference: NJ State Geol. Ann. Rpt.(1879):156.
Hematite
Formula: Fe2O3
Reference: The Iron Mines of NJ (1910), Bayley:427.
Ilmenite
Formula: Fe2+TiO3
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: The Iron Mines of NJ (1910), Bayley:427.
Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 24 localities in this region.
'Mica Group'
Monazite-(Ce)
Formula: Ce(PO4)
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.
Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
'Pyroxene Group'
Quartz
Formula: SiO2
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'Scapolite'
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.
Thorite
Formula: Th(SiO4)
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 77.
Zircon
Formula: Zr(SiO4)
Reference: DoI Bur. of Mines ROI #6885, Williams, R.L. (1967): 23.

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
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Ferro-hornblende9.DE.10☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)
'Mica Group'-
'Pyroxene Group'-
'Scapolite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

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 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
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] coordination
Thorite51.5.2.3Th(SiO4)
Zircon51.5.2.1Zr(SiO4)
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
Staurolite52.2.3.1Fe2+2Al9Si4O23(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
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'-
'Biotite'-
Ferro-hornblende-☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
'Garnet Group'-X3Z2(SiO4)3
'Limonite'-(Fe,O,OH,H2O)
'Mica Group'-
'Pyroxene Group'-
'Scapolite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
H Limonite(Fe,O,OH,H2O)
H StauroliteFe22+Al9Si4O23(OH)
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
CCarbon
C GraphiteC
OOxygen
O MagnetiteFe2+Fe23+O4
O Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
O QuartzSiO2
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Limonite(Fe,O,OH,H2O)
O HematiteFe2O3
O Monazite-(Ce)Ce(PO4)
O IlmeniteFe2+TiO3
O Garnet GroupX3Z2(SiO4)3
O ZirconZr(SiO4)
O ThoriteTh(SiO4)
O StauroliteFe22+Al9Si4O23(OH)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
AlAluminium
Al Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Al StauroliteFe22+Al9Si4O23(OH)
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Si Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Si QuartzSiO2
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Garnet GroupX3Z2(SiO4)3
Si ZirconZr(SiO4)
Si ThoriteTh(SiO4)
Si StauroliteFe22+Al9Si4O23(OH)
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
PPhosphorus
P Monazite-(Ce)Ce(PO4)
SSulfur
S PyriteFeS2
ClChlorine
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Ca Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
TiTitanium
Ti IlmeniteFe2+TiO3
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe MagnetiteFe2+Fe23+O4
Fe Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Fe PyriteFeS2
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe Limonite(Fe,O,OH,H2O)
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe StauroliteFe22+Al9Si4O23(OH)
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Monazite-(Ce)Ce(PO4)
ThThorium
Th ThoriteTh(SiO4)

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

Stenian
1000 - 1200 Ma



ID: 2915957
Hornblende Granite

Age: Stenian (1000 - 1200 Ma)

Stratigraphic Name: Byram Intrusive Suite

Description: Pinkish-gray- to medium-buff-weathering, pinkish-white or light-pinkish-gray, medium- to coarse-grained, gneissoid to indistinctly foliated granite and sparse granite gneiss composed principally of microcline microperthite, quartz, oligoclase, and hornblende. Some phases are quartz syenite or quartz monzonite. Includes small bodies of pegmatite and amphibolite not shown on map. U-Pb age approximately 1,090 Ma (Drake and others, 1991b).

Comments: Byram Intrusive Suite (Middle Proterozoic) (Drake, 1984) Original map source: Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00

Lithology: Major:{granite}, Minor:{gneiss,quartz syenite,quartz monzonite}, Incidental:{pegmatite, amphibolite}

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 3188605
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Paragneiss; paragneiss

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

Localities in this Region
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