REE-Nb-Ta-Zr mineralisation at the MSC formed in an alkali-silicate roof-zone within a unit known as the MSC – Altered Syenite. In the field, this unit is characterised by a suite of pegmatitic and aplitic syenite variants which cross-cut each other. The variants grade one into the other without sharp boundaries. The MSC – Altered Syenite is a roof-zone in which repeated magmatic injections (dykes, sills and inclined sheets) into a created a network of cross-cutting syenitic sheets without chilled margins.

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.

ⓘ Rare Earths

Mineral List

11 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Pyroclastic-breccia

ⓘ Quartzite

ⓘ Syenite

Detailed Mineral List:

ⓘ Aegirine

Formula: NaFe³⁺Si₂O₆

References:

Rooks, Curtis J.W.; Finch, Adrian A.; Hutchison, William; Herd, Donald A.; Frangeskides, George (2026) Rare earth and niobium mobility at the magmatic-hydrothermal transition: Motzfeldt Sø Centre, Greenland. Ore Geology Reviews, 188. 107009 doi:10.1016/j.oregeorev.2025.107009

ⓘ 'Alkali Feldspar'

References:

ⓘ 'Alkali pyroxene'

References:

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

ⓘ Arfvedsonite

Formula: [Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂

References:

ⓘ Astrophyllite

Formula: K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F

References:

ⓘ 'Bastnäsite'

Formula: (Ce/Nd/Y/REE)(CO₃)F

References:

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

References:

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

References:

ⓘ 'Feldspar Group'

References:

ⓘ 'Feldspar Group var. Perthite'

References:

ⓘ Fluorite

Formula: CaF₂

References:

ⓘ Hematite

Formula: Fe₂O₃

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

ⓘ Lepidocrocite

Formula: Fe³⁺O(OH)

References:

ⓘ 'Monazite Group'

Formula: REE(PO₄)

References:

ⓘ Nepheline

Formula: Na₃K(Al₄Si₄O₁₆)

References:

ⓘ 'Parisite'

Formula: Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂

References:

ⓘ 'Pyrochlore Group'

Formula: A₂Nb₂(O,OH)₆Z

References:

ⓘ 'Pyroxene Group'

Formula: ADSi₂O₆

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ 'Sodic amphibole'

References:

ⓘ 'Synchysite'

Formula: Ca(Ce/Nd/Y/REE)(CO₃)₂F

References:

ⓘ Thorite

Formula: Th(SiO₄)

References:

ⓘ 'Xenotime'

References:

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	'Pyrochlore Group'	4.00.	A₂Nb₂(O,OH)₆Z
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Lepidocrocite	4.FE.15	Fe³⁺O(OH)
Group 9 - Silicates
ⓘ	Thorite	9.AD.30	Th(SiO₄)
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Aegirine	9.DA.25	NaFe³⁺Si₂O₆
ⓘ	Astrophyllite	9.DC.05	K₂NaFe²⁺₇Ti₂[Si₄O₁₂]₂O₂(OH)₄F
ⓘ	Arfvedsonite	9.DE.25	[Na][Na₂][Fe²⁺₄Fe³⁺]Si₈O₂₂(OH)₂
ⓘ	Nepheline	9.FA.05	Na₃K(Al₄Si₄O₁₆)
Unclassified
ⓘ	'Alkali Feldspar'	-
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Bastnäsite'	-	(Ce/Nd/Y/REE)(CO₃)F
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Feldspar Group'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Xenotime'	-
ⓘ	'Feldspar Group var. Perthite'	-
ⓘ	'Parisite'	-	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
ⓘ	'Synchysite'	-	Ca(Ce/Nd/Y/REE)(CO₃)₂F
ⓘ	'Columbite-(Fe)-Columbite-(Mn) Series'	-
ⓘ	'Pyroxene Group'	-	ADSi₂O₆
ⓘ	'Sodic amphibole'	-
ⓘ	'Alkali pyroxene'	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
H	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Lepidocrocite	Fe³⁺O(OH)
H	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
C	Carbon
C	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
C	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
C	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
O	Oxygen
O	ⓘ Aegirine	NaFe³⁺Si₂O₆
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
O	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
O	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Lepidocrocite	Fe³⁺O(OH)
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
O	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
O	ⓘ Quartz	SiO₂
O	ⓘ Thorite	Th(SiO₄)
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
O	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
O	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
O	ⓘ Pyroxene Group	ADSi₂O₆
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
F	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorite	CaF₂
F	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
F	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
Na	Sodium
Na	ⓘ Aegirine	NaFe³⁺Si₂O₆
Na	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Na	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Na	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	Silicon
Si	ⓘ Aegirine	NaFe³⁺Si₂O₆
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Si	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Si	ⓘ Quartz	SiO₂
Si	ⓘ Thorite	Th(SiO₄)
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Pyroxene Group	ADSi₂O₆
P	Phosphorus
P	ⓘ Monazite Group	REE(PO₄)
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
K	Potassium
K	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Nepheline	Na₃K(Al₄Si₄O₁₆)
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
Ca	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Mn	Manganese
Mn	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Fe	Iron
Fe	ⓘ Aegirine	NaFe³⁺Si₂O₆
Fe	ⓘ Arfvedsonite	[Na][Na₂][Fe₄²⁺Fe³⁺]Si₈O₂₂(OH)₂
Fe	ⓘ Astrophyllite	K₂NaFe₇²⁺Ti₂[Si₄O₁₂]₂O₂(OH)₄F
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Lepidocrocite	Fe³⁺O(OH)
Fe	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
Y	Yttrium
Y	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Y	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Nb	Niobium
Nb	ⓘ Pyrochlore Group	A₂Nb₂(O,OH)₆Z
Nb	ⓘ Columbite-(Fe)-Columbite-(Mn) Series
La	Lanthanum
La	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
Ce	Cerium
Ce	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Ce	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
Ce	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
Nd	Neodymium
Nd	ⓘ Bastnäsite	(Ce/Nd/Y/REE)(CO₃)F
Nd	ⓘ Parisite	Ca(Ce/La/Nd/REE)₂(CO₃)₃F₂
Nd	ⓘ Synchysite	Ca(Ce/Nd/Y/REE)(CO₃)₂F
Th	Thorium
Th	ⓘ Thorite	Th(SiO₄)

Other Regions, Features and Areas containing this locality

Greenland

Kujalleq
- Igaliku ComplexComplex

North AmericaContinent

North America PlateTectonic Plate

Ketilidian Mobile BeltShield

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References

[1]Rooks, Curtis J.W.; Finch, Adrian A.; Hutchison, William; Herd, Donald A.; Frangeskides, George (2026) Rare earth and niobium mobility at the magmatic-hydrothermal transition: Motzfeldt Sø Centre, Greenland. Ore Geology Reviews, 188. 107009 doi:10.1016/j.oregeorev.2025.107009

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