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Alk vs. Calc-alk.: general appearance. Alkaline series – textures. Calc-alkaline series – textures. Alkaline series – White Minerals. K-Feldspar. Alkaline series – White Minerals. Feldpathoids. Alkaline series – White Minerals. Feldpathoids. Alkaline series – Mafic Minerals.
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Alkaline series – White Minerals K-Feldspar
Alkaline series – White Minerals Feldpathoids
Alkaline series – White Minerals Feldpathoids
Alkaline series – Mafic Minerals Sodic pyroxene (Aegyrine)
Alkaline series KSp and Augite-Aegyrine
Alkaline series – Mafic Minerals Sodic amphibole (Riebeckite, Arfvedsonite) (not clear in provided samples) http://www.umanitoba.ca/geoscience/faculty/arc/amphibole.html
Alkaline series – Accessory Minerals Sphene (Titanite)
Alkaline series – Accessory Minerals Carbonates, Cancrinite
Calc-alkaline series – White Minerals Plagioclase
Calc-alkaline series – White Minerals Plagioclase
Calc-alkaline series – White Minerals Plagioclase, K-Feldspar, Quartz
Calc-alkaline series – Minerals Plagioclase, K-Feldspar, Quartz
Calc-alkaline series – Mafic Minerals Clinopyroxene (augite)
Calc-alkaline series – Mafic Minerals Hornblende
Calc-alkaline series – Mafic Minerals Hornblende
Calc-alkaline series – Mafic Minerals Hornblende + Biotite
Calc-alkaline series – Mafic Minerals `Biotite + Clinopyroxene
Alkaline Or+Ab (abundant) Foids (common) Olivine (common) Cpx Qz (rare) Aegyrine (occasional) Calc-alkaline Quartz Ab+An (abundant) Opx Cpx (occasional) Corundum (occasional) Normative minerals