- Tyndall Stone
Tyndall Stone is a dolomitic
limestone quarried from the Selkirk member of theOrdovician Red River Formation, in the vicinity of Tyndall,Manitoba ,Canada . It was first used in1832 for buildingLower Fort Garry , and has since become popular for building purposes throughoutCanada and theUnited States . The Canadian Parliament Buildings inOttawa , theCanadian Museum of Civilization in Hull, and the Empress Hotel in Victoria all contain Tyndall Stone in their construction. The rock is famous for its cream colour (limestone) with its pervasive coloured mottlings (dolomite), caused by the burrowing of marine creatures when the limestone was deposited. It also contains numerous gastropod,brachiopod ,cephalopod ,trilobite ,coral , andstromatoporoid fossil s. The quarry is operated by Gillis Quarries Ltd., and is located approximately 40kilometre s northeast ofWinnipeg .Cultural reference
Author
Carol Shields described Tyndall Stone in her Pulitzer Prize winningnovel , "The Stone Diaries ".External links
* [http://www.gov.mb.ca/itm/mrd/busdev/industrial/tyndal.html Tyndall Stone at Manitoba Industry, Economic, Development and Mines]
* [http://gsc.nrcan.gc.ca/paleochron/17_e.php Tyndall Stone at Geological Survey of Canada]
* [http://www.tyndallstone.com/mainindex.html Gillis Quarries, operator of Tyndall Stone quarry]
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