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Allen Mine, Rockaway Township, Morris County, New Jersey, USAi
Regional Level Types
Allen MineMine
Rockaway TownshipTownship
Morris CountyCounty
New JerseyState
USACountry

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Latitude & Longitude (WGS84):
40° 55' 4'' North , 74° 33' 35'' West
Latitude & Longitude (decimal):
40.91798,-74.55980
GRN:
N28W41
Type:
Mine
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Wharton6,613 (2017)3.3km
Dover18,346 (2017)3.8km
White Meadow Lake8,836 (2017)4.2km
Rockaway6,494 (2017)4.3km
Victory Gardens1,532 (2017)4.9km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Morris Museum Mineralogical SocietyMorristown, New Jersey15km
Franklin Ogdensburg Mineralogical SocietyFranklin, New Jersey22km
New Jersey Mineralogical Society, IncMountainside, New Jersey32km
North Jersey Mineralogical Society, Inc.Paterson, New Jersey33km
Mindat Locality ID:
12243
Long-form identifier:
mindat:1:2:12243:9
GUID (UUID V4):
0


An Fe occurrence/mine. Started before 1855 and closed in 1882. Reopened 1883 and closed 1884.

Mineralization is an Fe deposit of magnetite ore in a vein 23 feet thick beneath the juncture of an intermediate "horse" of rock.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Ferro-hornblende
Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Quartz
Formula: SiO2
Description: Also occurs as crystals.
ⓘ Siderite
Formula: FeCO3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘSiderite5.AB.05FeCO3
Group 9 - Silicates
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘFerro-hornblende9.DE.10◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Limonite'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Apatite'-Ca5(PO4)3A

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Hⓘ OpalSiO2 · nH2O
CCarbon
Cⓘ SideriteFeCO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ OpalSiO2 · nH2O
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ QuartzSiO2
Oⓘ SideriteFeCO3
Oⓘ Pyroxene GroupADSi2O6
Oⓘ ApatiteCa5(PO4)3A
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ OrthoclaseK(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ OpalSiO2 · nH2O
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Pyroxene GroupADSi2O6
PPhosphorus
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ ChalcopyriteCuFeS2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

New Jersey State Geologist Annual Report (1855): 196-200.
New Jersey State Geologist Annual Report (1868): 583-587.
New Jersey State Geologist Annual Report (1873): 45.
New Jersey State Geologist Annual Report (1879): 55-56.
New Jersey State Geologist Annual Report (1880): 107.
New Jersey State Geologist Annual Report (1883): 110-111.
New Jersey State Geologist Annual Report (1884): 88.
New Jersey State Geologist Annual Report (1885): 101.
New Jersey State Geologist Annual Report (1886): 136.
New Jersey State Geologist Annual Report (1889): 162.
Bayley, William S. (1910) Final Report of the State Geologist Vol. 7 - Iron Mines and Mining in N.J. Geological Survey of New Jersey. pp.403-405
(1953) Geology of the Dover magnetite district, Morris County, New Jersey. Bulletin 982g. US Geological Survey doi:10.3133/b982g
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