Talk:Metamorphic rock

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Untitled[edit]

I moved back the setence about metamorphism to metamorphism, ie, undoing redirect, because i intend to write a proper article about that.

What is missing? Facies and textures. Muriel Gottrop 15:14, 1 Aug 2003 (UTC)

B Rating[edit]

Though well-written I rated this article only "B" for the "WikiProject Geology" assessment because of the severe lack of references. The only reference (apart from a few external links) is to the 1910-11 public domain version of Encyclopedia Britannica; I think the science of metamorphic geology might have moved on just a little since then. --Zamphuor 15:35, 22 April 2007 (UTC)

Yesterday I thought this was deleted. —Preceding unsigned comment added by Jwebbxsjado (talkcontribs) 14:26, 25 September 2007 (UTC)

The reference to 150 degrees C should be checked. That's only 302 degrees F. That doesn't sound right.69.122.62.231 (talk) 23:20, 11 February 2008 (UTC)

Checked and reference added. Vsmith (talk) 00:48, 12 February 2008 (UTC)

Thank you for that.69.122.62.231 (talk) 16:59, 15 February 2008 (UTC)


Hey, what about this idea of the mica or phyllosilicates realigning themselves mechanically within metamorphic rock. I bet it is way more complicated than that. Reference Please! Has any experimental geologist done this in a lab? In addition, styolites caused from pressure solution are very common in marble can be argued as an erratic foliation since they can be composed of carbon, iron oxide, or phyllosilicates. This is based on field experience within several Nevada mines. Here is the only link I could find on the subject. http://erictwelker.com/pressuresolution.htm I am too busy to research this for the next year. — Preceding unsigned comment added by 108.64.107.80 (talk) 21:45, 3 July 2014 (UTC)

Why?[edit]

What is metamorphic rock used for? —Preceding unsigned comment added by 81.156.176.218 (talk)

The last sentence of the introduction of the article gives some specific examples of metamorphic rocks. You have probably even heard of some of them. But you can also click on their and read details (including uses) of them. DMacks (talk) 17:26, 21 September 2009 (UTC)

Classification Chart[edit]

Do you think this chart would be proper for the page?

http://commons.wikimedia.org/wiki/File:Metamorphic_Rock_Chart.PNG

There is also one for sedimentary and igneous. Andrew Colvin (talk) 00:46, 4 January 2010 (UTC)