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Dumont intrusion, Launay, Abitibi RCM, Abitibi-Témiscamingue, Québec, Canadai
Regional Level Types
Dumont intrusionIntrusion
Launay- not defined -
Abitibi RCMRegional County Municipality
Abitibi-TémiscamingueAdministrative Region
QuébecProvince
CanadaCountry

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Key
Latitude & Longitude (WGS84):
48° 38' 56'' North , 78° 26' 32'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Amos17,918 (2016)25.6km


Dumont ultramafic body, 27 km west of Amos.

The Dumont intrusion is a huge, low-grade nickel prospect with most of its recoverable nickel present as pentlandite, awaruite and minor heazlewoodite. Serpentine in the intrusion contains appreciable amounts of chlorine (up to slightly more than 0.9%).

Coordinates taken by GPS at mine site.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


6 valid minerals. 1 (TL) - type locality of valid minerals.

Detailed Mineral List:

Awaruite
Formula: Ni3Fe
Reference: Canadian Mineralogist (1979) 17, 107-109
Coalingite
Formula: Mg10Fe3+2(OH)24[CO3] · 2H2O
Reference: Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.
Heazlewoodite
Formula: Ni3S2
Reference: Canadian Mineralogist (1979) 17, 107-109
Nickelbischofite (TL)
Formula: NiCl2 · 6H2O
Type Locality:
Reference: Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.
Paratacamite
Formula: Cu3(Cu,Zn)(OH)6Cl2
Reference: Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.
Pentlandite
Formula: (FexNiy)Σ9S8
Reference: Canadian Mineralogist (1979) 17, 107-109
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Canadian Mineralogist (1979) 17, 107-109

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Awaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
Heazlewoodite2.BB.05Ni3S2
Pentlandite2.BB.15(FexNiy)Σ9S8
Group 3 - Halides
Nickelbischofite (TL)3.BB.20NiCl2 · 6H2O
Paratacamite3.DA.10cCu3(Cu,Zn)(OH)6Cl2
Group 5 - Nitrates and Carbonates
Coalingite5.DA.55Mg10Fe3+2(OH)24[CO3] · 2H2O
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Awaruite1.1.11.4Ni3Fe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Heazlewoodite2.5.3.1Ni3S2
AmBnXp, with (m+n):p = 9:8
Pentlandite2.7.1.1(FexNiy)Σ9S8
Group 9 - NORMAL HALIDES
AX2
Nickelbischofite (TL)9.2.9.2NiCl2 · 6H2O
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Paratacamite10.1.2.1Cu3(Cu,Zn)(OH)6Cl2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Coalingite16b.7.6.1Mg10Fe3+2(OH)24[CO3] · 2H2O
Unclassified Minerals, Mixtures, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H NickelbischofiteNiCl2 · 6H2O
H CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
H ParatacamiteCu3(Cu,Zn)(OH)6Cl2
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
OOxygen
O NickelbischofiteNiCl2 · 6H2O
O CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
O ParatacamiteCu3(Cu,Zn)(OH)6Cl2
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
MgMagnesium
Mg CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SiSilicon
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
SSulfur
S Pentlandite(FexNiy)Σ9S8
S HeazlewooditeNi3S2
ClChlorine
Cl NickelbischofiteNiCl2 · 6H2O
Cl ParatacamiteCu3(Cu,Zn)(OH)6Cl2
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe CoalingiteMg10Fe23+(OH)24[CO3] · 2H2O
Fe Pentlandite(FexNiy)Σ9S8
Fe AwaruiteNi3Fe
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni NickelbischofiteNiCl2 · 6H2O
Ni Pentlandite(FexNiy)Σ9S8
Ni AwaruiteNi3Fe
Ni HeazlewooditeNi3S2
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ParatacamiteCu3(Cu,Zn)(OH)6Cl2
ZnZinc
Zn ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Eckstrand, O. R. (1975). The Dumont serpentinite; a model for control of nickeliferous opaque mineral assemblages by alteration reactions in ultramafic rocks. Economic Geology, 70(1), 183-201.
Crook III, W.W. & Jambor, J.L. (1979) Nickelbischofite, a new nickel chloride hydrate. Canadian Mineralogist 17, 107-109.

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

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