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Research topic: slate

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slate

The Columbia Encyclopedia, Sixth Edition
slate fine-grained rock formed when sedimentary rocks such as shale are metamorphosed by great pressure. Slate splits into perfectly cleaved, broad thin layers; this characteristically regular and planar cleavage is called slaty cleavage. In the formation of slate, pressure causes the flaky minerals within the sedimentary rock, such as mica, clay, and chlorite, to be reoriented; the flat faces of the minerals lie at right angles to the source of the pressure, and the planes of easy cleavage are also at right angles to the source of the pressure. The rock is not necessarily compressed in... Read more
slate
The Oxford Pocket Dictionary of Current English slate / slāt / • n. 1. a fine-grained gray, green...of such rock used as roofing material. 2. a flat piece of slate used for writing on, typically framed in wood, formerly used...typically a group sharing a set of political views: another slate of candidates will be picked for the state ... Read more
slate
The Oxford Companion to the Earth slate In popular usage the word ‘slate’ refers to any sort of natural roofing material, including those composed of thin-bedded, flaggy, sandstones and limestones such as the Cotswold Slates of Jurassic age that cover so many buildings... Read more

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Care and maintenance of slate flooring.(TECHNICAL FORUM)
Magazine article from: Stone World; 6/1/2005; ; 700+ words ; Slate flooring has been increasing in popularity in the U.S. Years ago, the varieties of slate that were available were basically gray and pale, and there...varieties to choose from. Today, there are literally hundreds of slate colors. In India alone, there are several hundred running... Read more
Maintaining slate floor coverings: slate is a metamorphic rock. It begins as fine-grained clay mud. The process of extreme pressure and heating causes the mud, composed of sediments of decomposed stone and organic matter, to first to turn to sedimentary shale and then to slate.(Hard Floor Maintenance Opportunities)
Magazine article from: ICS Cleaning Specialist; 5/1/2004; ; 700+ words ; Slate cleaves along flat planes and is split into parallel sheets...can be honed to a smooth surface resembling a chalkboard. Slate is primarily composed of clay-like materials, which usually...processes of metamorphism may vary a great deal, the hardness of slate will vacillate somewhere between 2.5 and ... Read more
CORNER KICKS; Defending the net - Slate beats all odds for Tigers.
Newspaper article from: The Boston Herald; 10/3/1999; ; 619 words ; Donald Slate has a secret. It's something only a small...The Newton North goalkeeper is deaf. When Slate does not wear a hearing aid, he does not...aid in, he reads lips and can hear sounds. Slate was born deaf, but thanks to speech therapy... Read more
Does Your Roof Rate Slate?; The Most Durable Material Is Also Most Costly, but There May Be Another Option
Newspaper article from: The Washington Post; 5/11/2002; ; 700+ words ; Are slate roofs a blessing or a curse? That question...and it is not an easy one to answer. While slate is the hardest roofing material out there...asphalt shingles. If you are the owner of a slate roof, the choice of replacements can be a... Read more
Slate makes easy cover for hearth
Newspaper article from: The Record (Bergen County, NJ); 9/7/2008; ; 590 words ; Slate makes easy cover for hearth TIM CARTER Date: 09-07-2008, Sunday Section: REAL ESTATE Edtion: All...ASK THE BUILDER DEAR TIM: I have a concrete fireplace hearth. Is it possible to cover it with slate? If so, is that a difficult task? Instead of slate, should I just install a hearth pad? I am really ... Read more
Solving slate flooring problems.(Technical Forum)
Magazine article from: Stone World; 6/1/2004; ; 700+ words ; Slate is a natural stone, but unlike marble, limestone and granite, it requires different...troubleshooting procedures. The following are some of the questions I have heard regarding slate flooring. [ILLUSTRATION OMITTED] 1. What is the best way to clean a gray slate floor? It streaks every time I mop it, ... Read more
A STONE ROOF? SURE, THAT'S WHAT SLATE IS AND, YOU CAN OFTEN REPAIR IT WITHOUT BUSTING THE BUDGET
Newspaper article from: The Boston Globe; 4/12/1998; ; 700+ words ; People who own slate-roofed houses often have a mystery -- and a problem -- on their hands. That slate roof looks great, adding an air of elegance...Beats me," and suggests ripping off the slate and putting up asphalt. Trying to repair a... Read more
Northeast Slate Inc. purchases Hilltop Slate's operations in New York and Vermont ...(NEWSLINE)(Company overview)
Magazine article from: Stone World; 2/1/2008; 168 words ; Northeast Slate Inc., a natural slate distribution company, finalized its 100% share purchase of Hilltop Slate, Inc., one of the region's largest slate producers. The two companies will consolidate as Hilltop Slate while celebrating their 60th year... Read more
Slate portrays New England-style architecture: a Vermont Grey slate roof adds character and longevity to a reproduction of an old New England-style home in Whiting, VT. (Focus on Slate).(Brief Article)
Magazine article from: Stone World; 6/1/2002; ; 401 words ; Vermont Grey slate was specified for the roof of a private...architecture with Greek revival style elements. Slate is a typical material used in New England...owner and designer of the home. Pratt, a slate roofer by trade, explained that the slate... Read more
A clean slate New technology lets homeowners choose new patterns, colors, textures
Newspaper article from: Chicago Sun-Times; 7/3/2005; ; 547 words ; If the slate floors of San Marcos in Venice, Italy, can...should be able to, too. Over the centuries, slate has never lost its aesthetic appeal. The...for kitchens, bathrooms and entryways. "Slate ages very naturally," Stearns said. "Actually... Read more

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