Talk:Gold mining in Alaska

Terrain vs Terrane

Resolved

 – Consensus is that “exotic terranes” in in the Kuskokwim Gold Belt is correct. Reference to the original source reveals that metamorphic “terranes” in the Circle District of Interior Alaska, south of the Yukon River, is also correct. Bwrs (talk) 04:38, 7 November 2008 (UTC)

I KNOW both are words, I just don't see why it is better to use terrane in this article. Can you supply some evidence that the terrain in question is, in fact, terrane? ~Pip2andahalf 03:23, 7 November 2008 (UTC)

I checked the sources mentioned in footnotes #24 and #25 and these did not seem to support the usage of either “terrain” or “terrane”; even though the source cited in note #25 mentions “geologic terranes,” it does not do so in the context of the Kuskokwim Mineral Belt having exotic terrains or terranes. Footnotes #11 and #23 will require somebody who has access to the paper sources in a library. Footnote #26 is broken. In summary, can’t say for sure which is correct, but for now I am using metamorphic “terrane” and exotic “terrains.” Bwrs (talk) 03:44, 7 November 2008 (UTC)

Exotic terranes are bodies of rock that have been accreted onto a craton or region and don't match or correlate with the other rocks of the region - hence "exotic". From the context terrane is the proper term. Vsmith (talk) 03:52, 7 November 2008 (UTC)

Per your comment, I might have gotten it backwards: exotic “terranes” and metamorphic “terrain” may turn out to be the correct answer. Bwrs (talk) 03:56, 7 November 2008 (UTC)

(copied from user Bwrs talk for all to see)

I would prefer terrane there(metamorphic), but both are used. And a quick google search gives metamorphic terrain the edge - 166k to 149k hits. So for usage it would be exotic terrane and either terrane or terrain for metamorphic. Terrain seems more fitting for landscape - geomorphology usage, but terrane would fit better for structural/regional geology reffering to 3D masses of rock as CGX noted. Vsmith (talk) 04:28, 7 November 2008 (UTC)

For those of you unfamilier with the geology of Alaska, be aware that Alaska is largly (although certainly not entirely) composed of exotic terranes. See footnote 23 (SEG Monograph 9), or virtually any other geologic article addressing the questioned areas. CGX (talk) 04:18, 7 November 2008 (UTC)

VSmith, not to be super picky, but in some geological instances a certain amount of coorelation is possible between adjacent (or non-adjacent) exotic terranes. This is perhaps the case with some terranes in Alaska, that may indeed have rafted in from far away before they glommed against Alaskan crust, but started out in the same general area of the planet.CGX (talk) 04:27, 7 November 2008 (UTC)

Picky is fine :) I was speaking generally. I like glommed too. Cheers, Vsmith (talk) 04:31, 7 November 2008 (UTC)

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