Kopparnäs rock area is a multi-streaked rock type; the toughest the rock types are quartz-feldspar gneiss alongside the stripe is gneiss, granite and some shale rock types.
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The world as I see it
Kopparnäs rock area is a multi-streaked rock type; the toughest the rock types are quartz-feldspar gneiss alongside the stripe is gneiss, granite and some shale rock types.
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