1	-	*Gorbatschev, Roland (1970) K-Ar age of biotite from the Almunge alkaline intrusion. Geologiska Föreningen i Stockholm Förhandlingar, 92 (4) 501-502 doi:10.1080/11035897009452981*
2	-	*Doig, Ronald (1970) An alkaline rock province linking Europe and North America. Canadian Journal of Earth Sciences, 7 (1) 22-28 doi:10.1139/e70-002*

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Biotite data

Locality Data:

Click here to view Almunge complex, Almunge, Uppsala, Uppsala County, Sweden

Data Identifiers

Mindat Occurrence Record ID:

57610

Long-form Identifier:

1:3:57610:5

GUID (UUID V4):

Nearest other occurrences of Biotite

40.2km (25.0 miles)

ⓘ Herräng ore field, Norrtälje, Stockholm County, Sweden

40.8km (25.4 miles)

ⓘ Norra Fjäll (Fjällbacka pegmatite), Väddö, Norrtälje, Stockholm County, Sweden

43.3km (26.9 miles)

ⓘ Nothamn, Väddö, Norrtälje, Stockholm County, Sweden

44.0km (27.3 miles)

ⓘ Barkö mines, Östhammar, Uppsala County, Sweden

44.3km (27.5 miles)

ⓘ Vigelsbo Mines, Östhammar, Uppsala County, Sweden

44.6km (27.7 miles)

ⓘ Gruvdalen Mine (Skeppsdal), Österåker, Stockholm County, Sweden

46.8km (29.1 miles)

ⓘ Härsbacka, Österåker, Stockholm County, Sweden

51.9km (32.2 miles)

ⓘ Ytterby, Resarö, Vaxholm, Stockholm County, Sweden

86.1km (53.5 miles)

ⓘ Bronäs mine, Sala, Sala Municipality, Västmanland County, Sweden

86.4km (53.7 miles)

ⓘ Sala Silver Mine, Sala, Sala Municipality, Västmanland County, Sweden

References

Quensel, P. D. (1913) The alkaline rocks of Almunge. Bulletin of the Geological Institution of the University of Upsala, 12. 129-200

Gorbatschev, R. (1958) On the alkali rocks of Almunge. A preliminary report on a new survey. Bulletin of the Geological Institution of the University of Upsala, 39. 1-69

Doig, Ronald (1970) An alkaline rock province linking Europe and North America. Canadian Journal of Earth Sciences, 7 (1) 22-28 doi:10.1139/e70-002

Gorbatschev, Roland (1970) K-Ar age of biotite from the Almunge alkaline intrusion. Geologiska Föreningen i Stockholm Förhandlingar, 92 (4) 501-502 doi:10.1080/11035897009452981

Doig, Ronald (1970) An alkaline rock province linking Europe and North America. Canadian Journal of Earth Sciences, 7 (1) 22-28 doi:10.1139/e70-002

Gorbatschev, Roland (1970) K-Ar age of biotite from the Almunge alkaline intrusion. Geologiska Föreningen i Stockholm Förhandlingar, 92 (4) 501-502 doi:10.1080/11035897009452981

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Biotite from Almunge complex, Almunge, Uppsala, Uppsala County, Sweden

Biotite from
Almunge complex, Almunge, Uppsala, Uppsala County, Sweden