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Lages, Santa Catarina, Brazil

30km in diameter. Carbonatite, melilitite, nepheline syenite, trachyte, phonolite, basanite. Bauxite mining.

http://www.koeln.netsurf.de/~w.steffens/brazil.htm
Geochimica Brasiliensis (1995), 8: 179-214.

Lages complex consists of the following rock association : olivine melilitites, olivine nephelinites, basanites, phononephrites, nepheline syenites, porphyritic peralkaline phonolites.

Mineral List

Aegirine
'Albite-Anorthite Series'
Analcime
Ankerite
'Apatite'
Astrophyllite
Augite
Baryte
Biotite
Calcite
Cryolite
Diopside
Dolomite
Eudialyte
var: Eucolite
Fluorite
Forsterite
Goethite
Kaersutite
Kalsilite
Låvenite
Leucite
Magnetite
var: Titaniferous Magnetite
'Melilite'
Monticellite
Murmanite
Nepheline
Neptunite
'Olivine'
Orthoclase
Pargasite
Pectolite
Perovskite
Phlogopite
Pyrite
Pyrochlore Group
Quartz
Sérandite
'Synchysite'
Titanite
Ulvöspinel


42 entries listed. 34 valid minerals.

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