EndoMax

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We're so glad you're here!--Childzy ^{(Talk|Contribs)} 09:12, 13 April 2007 (UTC)

Shear Sense

Endomax, in the geological shear article, I interpreted the boudinaged quartz vein as indicating dextral shear sense. This assumes that the vein was pre-tectonic and originally had approximately planar margins. Of course, not having taken the picture myself I can't say this for sure, but the caption of the original image says 'boudinage', and I take this structure to be an asymmetric boudin. Your suggestion that the vein is syntectonic and formed in a transtensional bend could be correct, but it wouldn't then be boudinage. Neither of us actually know that the picture was taken perpendicular to the shear direction, so we may both be being misled. Mikenorton 20:54, 13 April 2007 (UTC)

Endomax, as you can see I had a minor brainstorm last night, I saw your first edit to dextral, then failed to spot that you had corrected it and ended up arguing against myself. Sinistral it is, sorry for the confusion. Mikenorton 06:44, 14 April 2007 (UTC)

Nothing to forgive. I know Janos from when I did my PhD with Stan White at Imperial, does his lab still smell of camphor?

I saw many asymmetric boudins while doing fieldwork on the shear zones at Cap de Creus and particularly on the km-scale Devonian extensional detachments in western Norway. I regard them as probably the most reliable of the shear sense indicators as they cannot be reset by relatively low-strain reactivations like shear bands and asymmetric folds can.

It will be good to have another structural geologist to discuss how to modify some of the existing articles, when I have a bit more time I'll try to send you some suggested changes to, for instance, the geological shear article, which is in serious need of work in my opinion.Mikenorton 14:54, 19 April 2007 (UTC)

Boudin - Boudinage redirection

hey Childzy!

Thx for your welcome message! how is it possible to redirect links? There are two articles, Boudin and Boudinage. The Boudin article deals with sausages exclusively. But Boudin is also a term for a special geological feature. So we need a disambiguation page, I guess. Furthermore it would be reasonable then to redirect the Boudin (geological) to Boudinage. I hope you understand, what I mean! EndoMax 11:44, 16 April 2007 (UTC)

What you could do here would be to create the page Boudin (geological), to make it a redirect all you do is create the article but just put #REDIRECT [[Boudinage]]. This will make that page link directly to the article you want it to.

But another way of doing it, without creating a disambiguation page or a redirect, is to simply write at the top of the Boudin page-

This article is about the Sausages. For the Geological feature see Boudinage

By doing this anyone that searches for Boudin but arent looking for sausages can quickly get on to the correct page!

I'd go for the second option myself, if i havent explained it very well just message me again. --Childzy ^{(Talk|Contribs)} 13:00, 16 April 2007 (UTC)