The Origin of Anorthosites and Related Rocks from the Lofoten Islands, Northern Norway: I. Field Relations and Estimation of Intrinsic Variables

• Published in: Journal of Petrology
• Main Authors: Markl, Gregor, Frost, B. Ronald, Bucher, Kurt
• Format: Text
• Language: English
• Published: Oxford University Press 1998
• Subjects: Articles; Flakstadøy; Lofoten; Norway; Northern Norway
• Online Access: http://petrology.oxfordjournals.org/cgi/content/short/39/8/1425; https://doi.org/10.1093/petroj/39.8.1425

Crystallization temperatures of the 1.8 Ga Lofoten anorthosites are estimated from pyroxene thermometry, and pressure is derived from solving simultaneously the equilibria<fd id="FD1">$$\begin{array}{c}CaA{l}_{2}Si{O}_{6}\left(in\hbox{ \hspace{0.17em} }cpx\right)+Si{O}_{2}=CaA{l}_{2}...