Slate forms when shale, which consists of clay minerals, is put under pressure with temperatures of a few hundred degrees or so. Then the clays begin to revert to the mica minerals from which they formed. This does two things: first, the ro...
http://wiki.answers.com/Q/How_is_an_slate_formed
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Slate is formed by a softer rock called Shale, which is an igneous rock. Shale is mud rock formed millions of years ago from very small particles of clay sinking into the seabed around old landmarks that are being worn down by high winds, rain and rivers.
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www.k12.nf.ca/sjis/rocks/metamorphic/slate.htm
www.k12.nf.ca/sjis/rocks/metamorphic/slate.htm
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According to the British left wing site "Socialist Unity Network", a left electoral slate has been formed in Ireland. The site claims that this slate will contest the next election and involves the Workers Party, the Socialist Workers Party, the Campaign for an Independent Left and figures associated with the Labour Party.
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www.indymedia.ie/article/81364
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Supervisors Run for DCCC; Progressive Slate Formed by Paul Hogarth‚ Mar. 10‚ 2008; ... For the first time in years, progressives will run a full slate in June for the body’s 24 elected seats – and while the focus is on the “big names” who are running, a good number of West Side activists were also recruited.
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www.beyondchron.org/articles/Supervisors_Run_for_DCCC_P...
www.beyondchron.org/articles/Supervisors_Run_for_DCCC_Progressive_Slate_Formed_5453.html
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For the first time in years, progressives will run a full slate in June for the body’s 24 elected seats – and while the focus is on the “big names” who are running, a good number of West Side activists were also recruited.
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www.indybay.org/newsitems/2008/03/10/18484769.php
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Description: Subject matter wherein the panel is man-made and includes multiple materials. ... Browse by Category: Main > Business ... Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE...
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www.patentgenius.com/class/434/425.html
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Where slate came from ... We know that the slate we find was dig out of the ground or "quarried" somewhere else and then shipped to our area. However, we're not sure where it was quarried. We've read about slate quarries in ; Pennsylvania, Vermont, New York, Maine, and ; ... How slate formed...
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www.saltthesandbox.org/rocks/grayslate.htm
www.saltthesandbox.org/rocks/grayslate.htm
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What is it and where is it formed? Slate is a metamorphic rock. Slate is actually shale that had low heat and not very much pressure put on it. Slate is mostly formed in mountain areas. It takes thousands of years for slate to change.
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library.thinkquest.org/05aug/00461/slate.htm
library.thinkquest.org/05aug/00461/slate.htm
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