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Latest Granite Stories

2008-09-04 09:00:23

CLEVELAND, Sept. 4 /PRNewswire/ -- The most comprehensive review of scientific data on radon emissions from granite countertops shows that contribution to indoor radon levels is well below EPA's guideline for action and even levels found in outdoor air.

2008-09-02 12:00:00

CLEVELAND, Sept. 2 /PRNewswire/ -- To clear up consumer confusion about the safety of granite countertops, a growing number of environmental and health agencies from states across the U.S.

2008-08-01 03:00:26

By Steinhoefel, Grit Hegner, Ernst; Oliver, Grahame J H Abstract: Major- and trace-element data and Nd isotope compositions for granitoid samples from the Grampian Highlands in Scotland show a systematic evolution in the composition of their sources in the course of the Caledonian Orogeny.

2008-07-17 03:00:30

By Rakovan, John The very first Word to the Wise column dealt with the term pegmatite (Rakovan 2003). This was especially fitting because pegmatites are one of the most important rock types or geologic environments for the production of beautiful and interesting mineral specimens.

2008-06-16 09:01:06

Granite Ridge Energy, LLC ("GRE", "Granite Ridge" or the "Company") announced today that by unanimous consent, the Board of Directors has directed management to initiate a formal process to sell the Company.

2008-06-06 03:00:33

By Oliver, Grahame J H Wilde, Simon A; Wan, Yusheng Abstract: Thirty-seven granitoids from Scotland have been dated using the sensitive high-resolution ion microprobe zircon method. Granitoids were intruded during: (1) crustal stretching at c.

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2007-03-30 18:00:00

A French architect claimed Friday to have uncovered the mystery about how Egypt's Great Pyramid of Khufu was built - with use of a spiral ramp to hoist huge stone blocks into place.


Latest Granite Reference Libraries

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2005-05-25 18:45:14

Rhyolite is an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture. Mineral assembly is usually quartz, alkali feldspar and plagioclase (in a ratio > 1:2). Biotite and pyroxene are common accessory minerals. Rhyolite can be considered as the extrusive equivalent to the plutonic granite rock. Due to their high content of silica, rhyolite form highly viscous lavas. They can also occur as breccias or in volcanic necks and dikes. Like obsidian,...

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Word of the Day
edulcoration
  • The act of sweetening by admixture of some saccharine substance.
The word 'edulcoration' comes from a Latin word meaning 'making sweet'.