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The Pfahl is a 150-kilometre-long quartz vein that runs through the northeastern Bavarian Forest in Germany. From a geomorphological point of view, it represents a residual ridge that has been formed by weathering and erosion over millions of years.
The Pfahl is a 150-kilometre-long quartz vein that runs through the northeastern Bavarian Forest in Germany. From a geomorphological point of view, it represents a residual ridge that has been formed by weathering and erosion over millions of years.