Talk:Joint (geology)

Too technical

Despite being a biology student and having studied some geology in undergrad, I don't understand this article, so I doubt that it is accessible to the general public. Could someone explain this in non-technical terms to make it more accessible? Thanks, IronChris | (talk) 22:34, 15 September 2006 (UTC)

Agree, I'll shortly look at simplifying it. --Zamphuor 15:26, 21 April 2007 (UTC)

A bit simpler now (I hope). --Zamphuor 16:29, 21 April 2007 (UTC)

Name change to --> Joint (geology)

A name change from "Geologic joint" to "Joint (geology)" would be in keeping with general wikipedia naming conventions. See my similar comment at Talk:Geologic fault. If nobody complains I'll do this soon (with appropriate redirections). --Zamphuor 15:26, 21 April 2007 (UTC)

Good idea! No complaints here.Rolinator 01:14, 22 April 2007 (UTC)

Normally I object to Term (discipline) article names for terms used in more than one discipline, but this (and fault) are used exclusively by geologists (and geological engineers). Also, there is also no more need to distinguish Geologic from Geological. I'll support the move of both articles to their proposed names. +mwtoews 01:59, 22 April 2007 (UTC)

Ok, name change done. I'll now fix the double redirects. --Zamphuor 13:03, 23 April 2007 (UTC)

Expansion

I've had a go at expanding this article. There's clearly a lot more to do, particularly it needs something on occurrence and all the sections need expanding further. I'll try to find time to do some more here soon. Mikenorton (talk) 17:48, 28 May 2008 (UTC)

Basalt columns?

I would like to know if the Tessellated Pavement are columnar joints formed by directional cooling of basalt like the Giant Causeway? —Preceding unsigned comment added by Veronique.lazarus (talk • contribs) 15:53, 10 June 2009 (UTC)

As far as I know, the tesellated pavement joints in Tasmania are tectonic in nature and they are formed in sedimentary rocks, so have nothing to do with cooling. Mikenorton (talk) 19:00, 10 June 2009 (UTC)

Too many columns - any other pictures of joints unrelated to cooling out there?

The article currently has four examples of columnar cooling joints (I just removed a fifth) and only one of tectonic joints in sedimentary rocks. Cooling joints are relatively uncommon and are only found in lavas and high-level intrusions, whereas tectonic joints are found in all rock types (including lavas and intrusions). Does anyone have any good pictures of joints (other than columnar)? I think that it would be particularly good to see examples looking parallel to bedding/layering and any with 'plume' markings or similar on their surfaces would be great. The next time I get out into the field, I'll collect some more photos, but that could take a while, as I've no fieldwork currently planned. Mikenorton (talk) 16:46, 19 January 2010 (UTC)

I'll send an email to a professor I know who works on jointing and fracturing, and see if he would be willing to donate some photos. Plomose structures would be great, as they could really help to encompass information on both field observations and fracture mechanics. I might take this as an excuse to buy a nice bar of chocolate and fracture and photograph it. (If you haven't tried this, press the handle end of a spoon or equivalent implement into the top of a thick bar of good chocolate; you get excellent plomose patterns!) Awickert (talk) 17:03, 19 January 2010 (UTC)

Thanks, sounds good. I'm going to take a quick look around commons, there maybe some nice examples there that aren't labelled as such. Mikenorton (talk) 18:45, 19 January 2010 (UTC)

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