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Lake Valhalla Quarry (Gordon's Crystalline Limestone Quarry), Montville Township, Morris Co., New Jersey, USA

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Latitude & Longitude (WGS84): 40° 55' North , 74° 23' West
Latitude & Longitude (decimal): 40.91667,-74.38333
GeoHash:G#: dr70g2esy
Locality type:Quarry
Köppen climate type:Cfa : Humid subtropical climate


Famous for its greenish yellow lizardite serpentine.
A quarry with a pegmatite mass at the lower end.


See Mindat article on the quarry in the late 19th Century.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


10 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Asbestos'
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
Bornite
Formula: Cu5FeS4
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Colour: Olive green, yellow-green.
Description: Occurs as green "royal" serpentine.
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
'Clinochrysotile'
Reference: Weber, J. and Greer, R., 1965, Dehydration of Serpentine, American Mineralogist, v 50,p 450-464.
Diopside
Formula: CaMgSi2O6
Reference: from the collection of A.Mathauser, acquired from Franklin Mineral Museum, Franklin NJ
'Feldspar Group'
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
Ferro-hornblende
Formula: ☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Description: Occurs in crystals.
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
'Limestone'
Reference: U.S. Geological Survey, (2005) Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
'commodity:Limestone'
Reference: From USGS MRDS database
Lizardite
Formula: Mg3(Si2O5)(OH)4
Reference: Weber, J. and Greer, R., 1965, Dehydration of Serpentine, American Mineralogist, v 50,p 450-464.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: NJ State Geol. Ann. Rpt. (1886):108.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
'Mica Group'
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
Pyrite
Formula: FeS2
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
Quartz
Formula: SiO2
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Darton, Nelson Horatio On The Mineralogical Localities In And Around New York City. Part IV Scientific American Supplement. Vol. XVI, No. 415. December 15, 1883
'Serpentine Subgroup var: Marmolite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Weber, J. and Greer, R., 1965, Dehydration of Serpentine, American Mineralogist, v 50,p 450-464.
Talc
Formula: Mg3Si4O10(OH)2
Reference: A Quest for New Jersey Minerals, Robert Speiser (1978): 15.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Bornite'2.BA.15Cu5FeS4
'Pyrite'2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
'Magnetite'4.BB.05Fe2+Fe3+2O4
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Malachite'5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
'Chrysotile'9.ED.15Mg3(Si2O5)(OH)4
'Clinochrysotile'9.ED.
'Diopside'9.DA.15CaMgSi2O6
'Ferro-hornblende'9.DE.10☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
'Lizardite'9.ED.15Mg3(Si2O5)(OH)4
'Talc'9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Asbestos'-
'Feldspar Group'-
'Limestone'-
'Mica Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Marmolite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
'Clinochrysotile'71.1.2d.1
Lizardite71.1.2b.2Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Asbestos'-
'Feldspar Group'-
Ferro-hornblende-☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
'Limestone'-
'Mica Group'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'var: Marmolite'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
H LizarditeMg3(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
H Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H TalcMg3Si4O10(OH)2
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O ChrysotileMg3(Si2O5)(OH)4
O DiopsideCaMgSi2O6
O Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
O LizarditeMg3(Si2O5)(OH)4
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O QuartzSiO2
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O TalcMg3Si4O10(OH)2
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg DiopsideCaMgSi2O6
Mg LizarditeMg3(Si2O5)(OH)4
Mg Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Al Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si ChrysotileMg3(Si2O5)(OH)4
Si DiopsideCaMgSi2O6
Si Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Si LizarditeMg3(Si2O5)(OH)4
Si Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si QuartzSiO2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si TalcMg3Si4O10(OH)2
SSulfur
S BorniteCu5FeS4
S PyriteFeS2
CaCalcium
Ca DiopsideCaMgSi2O6
Ca Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
MnManganese
Mn Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe BorniteCu5FeS4
Fe Ferro-hornblende☐{Ca2}{Fe42+Al}(AlSi7O22)(OH)2
Fe MagnetiteFe2+Fe23+O4
Fe Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu BorniteCu5FeS4
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn Serpentine Subgroup (var: Marmolite)D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

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

Triassic
201.3 - 251.902 Ma



ID: 3187774
Mesozoic intrusive rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Newark Graben System; Newark-Delaware Basin

Lithology: Intrusive igneous rocks

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]

Mesoproterozoic
1000 - 1600 Ma



ID: 2965852
Quartz-Oligoclase Gneiss

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Losee Metamorphic Suite

Description: White-weathering, light-greenish-gray, medium- to coarse-grained, moderately layered to indistinctly foliated gneiss and lesser amounts of granofels composed of quartz, oligoclase or andesine, and, locally, biotite, hornblende and (or) clinopyroxene. Contains thin amphibolite layers.

Comments: Losee Metamorphic 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:{gneiss}, Minor:{granofels,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]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
New Jersey State Geologist's Annual Report (1886): 108.
Weber, J. and Greer, R. (1965), Dehydration of Serpentine, American Mineralogist: 50: 450-464.
Darton, Nelson Horatio (1883), On The Mineralogical Localities in and around New York City. Part IV, Scientific American Supplement. Vol. XVI, No. 415. (December 15, 1883).
Speiser, Robert (1978), A Quest for New Jersey Minerals: 15.


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