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Andrew Alden

11 Types of Holes in Rocks

By April 26, 2013

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holes in rocksSometimes the most interesting thing to see in a rock is the parts that aren't rock: the voids in it. Geologists have hundreds of names for rocks and their textures and constituents; here are 11 names for the holes from druses to vugs. Some form by geological processes, others by living creatures—which is a geologic category of its own. These empty spaces are full of meaning.
Drusy vug in a vesicle — Geology Guide photo


April 30, 2013 at 2:50 pm
(1) Geology Guide says:

A reader reminds me that there is another type of hole made by geologists themselves: sample holes.

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