A bedform is a geological feature that develops at the interface of fluid and a moveable bed, the result of bed material being moved by fluid flow. Examples...
11 KB (1,243 words) - 22:06, 12 July 2023
cross-strata. Cross-bedding forms during deposition on the inclined surfaces of bedforms such as ripples and dunes; it indicates that the depositional environment...
15 KB (1,983 words) - 09:50, 9 October 2022
An antidune is a bedform found in fluvial and other channeled environments. Antidunes occur in supercritical flow, meaning that the Froude number is greater...
7 KB (909 words) - 11:51, 27 November 2022
Hall, Minard; Ramón, Patricio; Dingwell, Donald B. (2013-10-13). "Dune bedforms produced by dilute pyroclastic density currents from the August 2006 eruption...
5 KB (634 words) - 11:31, 26 August 2024
Sedimentary structures (section Bedforms vs. flow)
varying speeds and velocities produce different structures, are called bedforms. In the lower flow regime, the natural progression is from a flat bed,...
13 KB (1,493 words) - 02:38, 4 December 2023
In geology, ripple marks are sedimentary structures (i.e., bedforms of the lower flow regime) and indicate agitation by water (current or waves) or directly...
11 KB (1,030 words) - 23:30, 18 March 2024
characteristic of turbidity currents. The surface of a particular bed, called the bedform, can also be indicative of a particular sedimentary environment. Examples...
63 KB (7,683 words) - 08:39, 25 June 2024
regolith components identified at landing sites. Typical examples include: bedform (a feature that develops at the interface of fluid and a moveable bed such...
46 KB (4,646 words) - 14:44, 13 August 2024
Lithification Siltation Turbidity currents By structure Sedimentary structures Bedforms cross-bedding duness graded bedding ripple marks Alluvial fan Alluvial...
35 KB (3,935 words) - 15:39, 24 August 2024
represented by sand-flow maps. These are based on meteorological observations, bedform orientations, and trends of yardangs. They are analogous to drainage maps...
48 KB (6,014 words) - 01:15, 6 September 2024