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A garnet-bearing syenite near Kamloops, B.C. Kwak, Teunis A. P.

Abstract

The main features of a syenitic complex located near Kamloops B.C. are described. The most noteworthy of these is the abundance of andradite garnet in the rocks. The mineral is believed to have crystallized from a melt that had the composition of quartz syenite. The melt, prior to its consolidation, intruded and apparently assimilated limestone. This caused the rocks to be differentiated at or near their present site by the crystallization of calcium silicates such as the andradite garnet. Quartz -rich rocks were produced first and ultimately nepheline -bearing ones.

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