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Mudcracks (also known as mud cracks, desiccation cracks or cracked mud) are sedimentary structures formed as muddy sediment dries and contracts. [ 1 ] [ 2 ] Crack formation also occurs in clay-bearing soils as a result of a reduction in water content.
In January 2017, scientists announced the possible discovery of mud cracks in Gale Crater on Mars. The Curiosity Rover imaged what may be the first mud cracks (desiccation cracks) ever found on Mars. They may have been formed from drying mud. The site, called “Old Soaker,” was within an exposure of Murray formation mudstone on lower Mount ...
Desiccation is the state of extreme dryness, or the process of extreme drying. A desiccant is a hygroscopic (attracts and holds water) substance that induces or sustains such a state in its local vicinity in a moderately sealed container. The word desiccation comes from Latin de- 'thoroughly' and siccare 'to dry'.
Desiccation cracks are joints that form in a layer of mud when it dries and shrinks. Like columnar joints, these tend to be hexagonal in shape. Sigmoidal Joints are joints that run parallel to each other, but are cut by sigmoidal (stretched S) joints in between.
Syneresis cracks in lateral view in the Random Formation, Newfoundland and Labrador [1] Syneresis cracks (also known as subaqueous shrinkage cracks) are a sedimentary structure developed by the shrinkage of sediment without desiccation – not to be confused with desiccation cracks. [2] Syneresis is the expulsion of a liquid from a gel-like ...
Eight people have so far been busted in connection with the case. Cops have arrested the boat’s owner, Francis Buckheit, 64, and Alton Harrell, 35, on rape, child endangerment, and kidnapping ...
The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.
Desiccation cracks: cracks formed by the drying of newly deposited mud in sub-aerial climates. Flame structures: mud shaped like flames that intrude into the overlying layer of rock. Convolute Folds: sediment folded into irregular anticlines and/or synclines. Flutes: outstretched ridges that are rounded at one end and flared at the other.