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Last glacial period — Last glacial redirects here. For the period of maximum glacier extent during this time, see Last Glacial Maximum. The last glacial period was the most recent glacial period within the current ice age occurring during the last years of the… … Wikipedia
Ganister — As defined in Jackson (1997), a ganister is hard, fine grained quartzose sandstone, or orthoquartzite, used in the manufacture of silica brick typically used to line furnaces. Ganisters are cemented with secondary silica and typically have a… … Wikipedia
Seatearth — is a British coal mining term, which is used in the geological literature. As noted by Jackson (1997), a seatearth is the layer of sedimentary rock underlying a coal seam. Seatearths have also been called seat earth , seat rock , or seat stone in … Wikipedia
Ruma — Рума Ruma … Deutsch Wikipedia
2009 in paleontology — List of years in paleontology (table) … 1999 . 2000 . 2001 . 2002 . 2003 . 2004 . 2005 … 2006 2007 2008 2009 2010 2011 2012 … 2013… … Wikipedia
Tritylodon — Tritylodon Rango temporal: Jurásico Temprano … Wikipedia Español
