Slate is a sedimentary rock. It can get form nearly every where as long is is expose to the right conditions. However, you should be careful not to confuse it with shale. Both are very similar in shape and characteristics.
http://answers.ask.com/Science/Nature/what_type_of_rock...
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Slate is Metamorphic Rock - formed by great heat, or pressure, or both. The pressure can come from being buried very deep (more)
http://www.chacha.com/question/what-type-of-rock-is-sla...
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The Rock Identification Keyby Don Peck ... Rock Key Table of Contents ... The layers in slate are very thin and straight. The top and bottom layers are usually flat and quite smooth.
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www.rockhounds.com/rockshop/rockkey/index.html
www.rockhounds.com/rockshop/rockkey/index.html
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Slate - Wikipedia, the free encyclopedia
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Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low grade regional metamorphism. The resu...
en.wikipedia.org/wiki/Slate
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Answers.com > Wiki Answers > Categories > Science > Earth Sciences > Geology > What kind of rock is limestone obsidian slate rock salt basalt granite sandstone gneiss marble and conglomerate ... What type of rock has 6 shining sides?
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wiki.answers.com/Q/What_kind_of_rock_is_limestone_obsid...
wiki.answers.com/Q/What_kind_of_rock_is_limestone_obsidian_slate_rock_salt_basalt_granite_sandstone_gneiss_marble_and_conglomerate
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Dear Sue, Slate is a metamorphic rock. Metamorphic rocks are rocks that started out as either sedimentary or igneous rocks but have been altered by heat and/or pressure at depth in the Earth’s crust. The alteration takes the form of a reorganization of the chemical constituents of the original rock to form new minerals.
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www.madsci.org/posts/archives/apr2001/988663787.Es.r.ht...
www.madsci.org/posts/archives/apr2001/988663787.Es.r.html
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Subject: What type of rock is slate classified as? ... We have found conflicting information regarding this question. Some sources classify slate as sedimentary, while others say it is metamorphic. What do the majority of geologists classify it as? Why does there seem to be such confusion?
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www.madsci.org/posts/archives/apr2001/988663787.Es.q.ht...
www.madsci.org/posts/archives/apr2001/988663787.Es.q.html
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What Type of Rock Is Slate?. Commonly used in everything from billiard tables to chalk boards, the generally dark gray rock known as slate has been a used for a variety of applications for centuries. ... What Type of Rock Does Slate Change Into?
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www.ehow.com/facts_5562345_type-rock-slate.html
www.ehow.com/facts_5562345_type-rock-slate.html
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Description: Subject matter employing soil, diatomaceous earth, clay, shale, slate or rock-type material for treating soil or earth. ... 6758896 Rapid hardening, ultra-high early strength portland-type cement compositions, novel clinkers and methods for their manufacture which reduce harmful gaseous emissions Jul. 6, 2004...
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www.patentgenius.com/class/106/694.html
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