Recent Activities -Keuhl Lake, Page Two
Zircons are used for age dating rogs in terms of geological time. The study of geochronology. Most people don't realize that the Zircons from Keuhl Lake have been used as the standard around the world for geochronological studies.
Here are a few more pictures.
This piece has one larger, well formed zircon crystal and a number of crystal sections. As well, you can see there are casts of much larger, once present, zircon crystals in the feldspar!
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The fluorescent zircons show up nicely in SW U/V light.
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I cracked one piece of feldspar open to find a 44mm long, stout zircon crystal inside!
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Again, this large crystal exhibits excellent fluorescence.
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David and Ray leave the mine area across the bridge. Beautiful day!
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Daniel always seems to be in the lead on the way out through the pine forest.
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