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Slate - Wikipedia

en.wikipedia.org/wiki/Slate

Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original .... was made of Monson slate, as is the headstone of John F. Kennedy. Slate is found in the Arctic, and was ...

Slate | Minerals Education Coalition

mineralseducationcoalition.org/minerals-database/slate/

Slate is a metamorphic rock derived from shale. Slate has a dull appearance and occurs in a number of colors including light and dark gray, green, purple a.

Slate Facts - SoftSchools

www.softschools.com/facts/geology/slate_facts/389/

Slate is a metamorphic rock that forms from mudstone or shale. ... Slate can be found in various places such as on the sides of cliffs, underground, and in pits.

Where is Slate Produced in North America? - Stortz & Son Inc.

www.stortz.com/quarry-touring-where-is-slate-coming-from/

Oct 30, 2014 ... slateroofbible First, I began with the PA slate quarries of Penn Big Bed found in Slatington and Pen Argyl. PA quarries were producing over half ...

Slate: Metamorphic Rock - Pictures, Definition & More - Geology.com

geology.com/rocks/slate.shtml

Slate is a foliated metamorphic rock that forms from the metamorphism of shale. ... US Diamond Mines: Did you know that diamonds can be found in the United ...

Where Does Slate Come From? NaturalSlate.com

www.naturalslate.com/natural-slate/history-of-natural-slate/where-does-slate-come-from/

Aug 31, 2015 ... Slate is a fine grained, crystalline stone derived from sediments of clay ... qualities and ultimately figure out the personality of the slate found in ...

Where Does Slate Come From? - East Coast Builders Slate Roof ...

www.slateroof.com/tech4.htm

Slate is a fine grained, crystalline rock derived from sediments of clay and fine silt which ... For this reason, slate is found only in certain mountainous regions.

Slate, Marble and Granite - Vermont Historical Society

vermonthistory.org/explorer/vermont-az/vermont-st/223-slatemarblegraniteaz

Vermont has three official rocks - marble, granite and slate. These three types of rocks are found in the ground in different places in Vermont. Marble, granite and  ...

Where is slate found - Answers.com

www.answers.com/Q/Where_is_slate_found

Slate is found in Brazil, United States, Africa, Spain, and China.

WHAT IS MARBLE, LIMESTONE, TRAVERTINE, SLATE & GRANITE?

www.linley.com/stonefaq.htm

Slate can also contain some of the same minerals found in granite, which make some slates iridescent and/or hard. The alteration of shale by heat and pressure  ...