Greenland: Arfvedsonite Lujavrite
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Fact sheet
Description: 

Sample MTD04 colected by Michael T. Doel

Described as tugtupite, analcime, sodalite etc.

Rotation 1 -

Rotation 2 - zircon Zr(SiO4)

Rotation 3 - aenigmatite Na2(Fe2+5Ti)SiO20

Rotation 4 - polylithionite KLi2Al(Si4O10)(F,OH)2

Rotation 5 -

Rotation 6 - steenstrupine Na14Mn22+(Fe3+,Mn3+)2Ce6(Zr,Th)(Si6O18)2(PO4)6(HPO4)(OH)2·2H2O

Rotation 7 - arfvedsonite [Na][Na2][Fe42+Fe3+]Si8O22(OH)2

Rotation 8 -

Rotation 9 -

Ilimaussaq is the type locality for arfvedsonite and steenstrupine

Intrusion is dated at 1161±2 Ma

In Place
In Time
Location description: 
Ilimaussaq intrusion, Taseq Slope West, Narsaq, Kitaa Province, SW Greenland
Accuracy:
Location precision: 
Moderate
Timescale:
Timescale: 
Proterozoic
Ma = Millions of years ago
In Focus
Collection:
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Type:
Type: 
igneous
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Rock-forming minerals:

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