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Volcanic rock
Volcanic rock is an igneous rock of volcanic origin. Volcanic rocks are usually fine-grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts ... > more -
Cyclone Monica
Cyclone Monica, also designated Severe Tropical Cyclone Monica, was a tropical cyclone that affected northern Australia from April 17, 2006 until April 26, 2006. It is the strongest storm of the ... > more -
1993 North American storm complex
The 1993 North American storm complex, also known as the (Great) Blizzard of 1993, or the Storm of the Century, was a large cyclonic storm that occurred on March to March 15, 1993, on the East Coast ... > more -
Lake effect snow
Lake effect snow, which can be a type of snowsquall, is produced in the winter when cold winds move across long expanses of warmer lake water, picking up water vapor which freezes and is deposited on ... > more -
Petrified wood
Petrified wood is a type of fossil: it exists of fossil wood where all the organic materials have been replaced with minerals (most often a silicate, such as quartz), while retaining the original ... > more -
Hurricane Wilma
Hurricane Wilma, the most intense hurricane ever recorded in the Atlantic basin, devastated parts of the Yucatán Peninsula and southern Florida during October in the 2005 Atlantic hurricane ... > more
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