Pancake ice

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Pancake ice

Pancake ice is a form of ice

Ice

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Pancake ice is a form of ice

Ice

Ice is a solid phases of matter, usually crystalline solid, of a non-metallic substance that is liquid or gas at room temperature, such as ammonia ice or methane ice....
that consists of round pieces of ice with diameters ranging from a few inches to many feet in diameter, depending on the local conditions that affect ice formation. It may have a thickness of several inches. Pancake ice features elevated rims with a nearly uniform height of a few inches. The rim is formed by piling the frazil ice/slush/etc. up the edges of pancakes when they collide, both due to random bumping into each other and because of periodic compressions at wave troughs. These rims are the first indication of the onset of the formation of the pancake ice from less consolidated forms of ice.

Pancake ice may be formed in two ways. It may be formed on water covered to some degree in slush

Slush

Slush can mean any of the following:* Slush — a slurry mixture of liquid and solid forms of water.* Slush — a pejorative and slang combination of the likewise derogatory terms slut and lush....
, shuga or grease ice

Grease ice

Grease ice is a very thin, soupy layer of frazil ice crystals clumped together, which makes the ocean surface resemble an oil slick. This ice is the second stage in the formation of solid sea ice after ice floes and then frazil ice....
. Alternatively, it may be created by breaking ice rind, nilas or even gray ice in the agitated conditions.

External links

from the Canadian Ice Service