понедельник, 24 июня 2019 г.

Zebra Schist | #Geology #GeologyPage #KangarooIsland…

Zebra Schist | #Geology #GeologyPage #KangarooIsland #Australia

Harvey’s Return Zebra rocks on Kangaroo Island.

The tightly folded, thinly bedded schists that are derived from sedimentary rocks that are exposed in Kangaroo Island are known as zebra schists. A quartz-rich and biotite-rich layering largely reflects original sedimentary layering rather than metamorphic differentiation as the secondary biotite preserves and outlines a variety of sedimentary structures.

More Info & Photos: http://www.geologypage.com/2019/05/zebra-schist.html

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