Dune deflation hollows are where wind has removed sand down to a level where a layer of particles too heavy for the wind to move (an armoured surface) stabilises the sand and prevents the surface being lowered further.
A crevasse is a deep, wedge-shaped opening in a moving mass of ice called a glacier. Crevasses usually form in the top 50 meters (160 feet) of a glacier, where the ice is brittle.
a mass of rocks and sediment carried down and deposited by a glacier, typically as ridges at its edges or extremity.
James William Arthur Taylor (born 6 January 1990) is a former English cricketer who played for Nottinghamshire County Cricket Club.A right handed batsman and occasional right-arm leg break bowler, Taylor made his debut in first-class cricket in 2008 for Leicestershire and made major impressions in his first county seasons. He is noted as being a fine fielder in the covers. He became the youngest Leicestershire one-day centurion and first-class double centurion. In 2009, Taylor also became the youngest player in Leicestershire's history to score 1,000 championship runs in a season.
