Sannaite

Sannaites: From Sannavand, Fen complex, Sweden. Sannaites are lamprophyre, broadly to camptonites, except that they contain alkali feldspar in place of plagioclase.

Bibliography

• Mitchell, R. H. (1994). The lamprophyre facies. Mineralogy and Petrology, 51(2), 137-146.
• Rock, N. S. (1977). The nature and origin of lamprophyres: some definitions, distinctions, and derivations. Earth-Science Reviews, 13(2), 123-169.
• Rock, N. M. S. (1986). The nature and origin of ultramafic lamprophyres: alnöites and allied rocks. Journal of Petrology, 27(1), 155-196.
• Rock, N. M. (1987). The nature and origin of lamprophyres: an overview. Geological Society, London, Special Publications, 30(1), 191-226.

Photo
Apatite inclusions in Amphibole. PPL image, 2x (Field of view = 7mm)	Apatite inclusions in Amphibole. PPL image, 2x (Field of view = 7mm)	Amphibole crystals. PPL image, 2x (Field of view = 7mm)
Amphibole crystal. XPL image, 2x (Field of view = 7mm)	Apatite inclusions in Amphibole. XPL image, 2x (Field of view = 7mm)	Amphibole crystal. XPL image, 2x (Field of view = 7mm)
Apatite in the groundmass. XPL image, 10x (Field of view = 2mm)	Calcite after olivine crystals. XPL image, 2x (Field of view = 7mm)	Calcite after olivine crystals. XPL image, 2x (Field of view = 7mm)
Apatite inclusions in Amphibole. PPL image, 10x (Field of view = 2mm)	Apatite inclusions in Amphibole. XPL image, 2x (Field of view = 7mm)	Calcite after olivine crystals. XPL image, 2x (Field of view = 7mm)
Apatite in the groundmass. PPL image, 10x (Field of view = 2mm)