Talk:Vug

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Untitled

Last comment about VU Games seems, oh, biased? --67.32.193.226 (talk • contribs) 16:38, 26 May 2005‎ (UTC)[reply]

In view of the size discussion below, I would propose to merge article "vug" with "geode" as "vug" seems to be a species (by size or formation history) of the genus "geode" and both articles are rather meagre. Could a geologist cross-check this? Also, make sure that distinctions (or links to the article pages) between "druse", "vug" and "geode" are in.

145.64.134.242 (talk) 09:21, 23 March 2018 (UTC)[reply]

How large are they?

The article says "Vugs are small to medium-sized cavities."

Does a 1mm cavity in a rock qualify as a "vug?"
What about a 1 meter cavity?
What are the minimum to maximum size ranges?
What are the typical size ranges?
If a cavity is smaller than the minimum for a vug then does it have a name?
If a cavity is larger than the maximum for a vug then does it have a name?
Does the cavity need to be lined with crystals and/or minerals of a different type as the main rock to qualify as a vug?
What if it's apparent there was a cavity at one time but it's now solid crystals? For example, sometimes I'll see a rock that has a pocket of crystals but there no remaining cavity. Is that still a "vug?" Marc Kupper (talk) (contribs) 17:04, 29 August 2007 (UTC)[reply]

A couple more...

If a vug with crystals forms and later gets filled with debris (sand or other material working it's way into the cavity) then it is still a vug?
Does the cavity need to be filled with gas (air?). If it's filled with water then is it still a vug? Marc Kupper (talk) (contribs) 22:04, 31 August 2007 (UTC)[reply]