crevasse deposit

views updated May 08 2018

crevasse deposit
1. The gravelly or sandy sediment infill of a crevasse in glacial ice.

2. (crevasse splay) The deposit generated by a river crevasse event. It is sheet-like in geometry, thinning away from the side of the breach in the river bank, and characterized by rapidly deposited sands, fining upwards to a muddy top, produced by the waning flow of a flood event.

crevasse deposit

views updated Jun 27 2018

crevasse deposit
1. The gravelly or sandy sediment infill of a crevasse in glacial ice.

2. (crevasse splay) The deposit generated by a river crevasse event. It is sheet-like in geometry, thinning away from the side of the breach in the river bank, and characterized by rapidly deposited sands, fining upwards to a muddy top, produced by the waning flow of a flood event.