sinuous crests approximately transverse to the direction of the wind. Megaripples These occur in the upper part of the lower flow regime where sand with...
Click to read more »ISBN 978-3-319-06133-7. Koumoundouros, Tessa (July 14, 2021). "Fossilized Tsunami 'Megaripples' Reveal The Devastation From The Chicxulub Asteroid". ScienceAlert. Retrieved...
Click to read more »Megaripple from Utah...
Click to read more »embayment. It has been suggested that wind-formed (aeolian) gravel "megaripples" in Argentina have counterparts on the planet Mars. Gravel is a major...
Click to read more »Megaripple/dune, formed in the upper flow regime, from Utah...
Click to read more »tephra over 100 kilometres (62 mi) southwestward, and a large number of megaripples formed by volcanic material occur both inside and outside of the caldera...
Click to read more »Martell Albert; Ivy, Robert (13 June 2021). "Chicxulub impact tsunami megaripples in the subsurface of Louisiana: Imaged in petroleum industry seismic...
Click to read more »Salado, and produced pyroclastic flows. Wind-driven erosion has produced megaripple sand fields on the northern flank. Above 6,000 metres (20,000 ft) elevation...
Click to read more »Experiment images flown on the Mars Reconnaissance Orbiter, that show some megaripple forms are eroded into cohesive substrate rather than being composed of...
Click to read more »sediments that suggests very complicated and variable flow conditions, with Megaripples derived from storm events. Storms were frequent and the coastline faced...
Click to read more »The original Lake Pedder. The megaripples in the sand are visible, as are the Maria Lakes in the top right....
Click to read more »on Earth have been proposed as proxies for TARs: gravel megaripples in Argentina, megaripples in Iran and Libya, and reversing dunes in Idaho, but an...
Click to read more »bivalves (mainly Indotrigonia africana and Seebachia janenschi), and exhibit megaripple surfaces. These conglomeratic sandstone layers are interpreted as storm...
Click to read more »since the 1970s, several theories on the formation have been proposed: Megaripples eroded in the basal ice fill during subglacial outburst floods. Already...
Click to read more »Megaripples in the quartz arenites of the Random Formation...
Click to read more »difference between sand waves and similar bedforms, such as ripples, megaripples, subaqueous dunes, and sediment waves. In some classification systems...
Click to read more »notable for the giant (up to 1.5 metres (4 ft 11 in) high), wind-formed megaripples; they are found southwest of Carachipampa in the valley that runs to...
Click to read more »fossiliferous site exposes rocks of the marine Red Crag Formation, with a megaripple sequence showing the gradual reduction in depth of the sea. The Red Crag...
Click to read more »gradually leads over into the megaripple-covered surface through an increased gravel cover. The development of these megaripples appears to have been influenced...
Click to read more »fossiliferous site exposes rocks of the marine Red Crag Formation, with a megaripple sequence showing the gradual reduction in depth of the sea. The Red Crag...
Click to read more »wind has been a major geomorphic agent. Wind driven sand bodies like megaripples and dunes are extremely common on the modern Martian surface, and Opportunity...
Click to read more »of coarse-grained and shelly sands that were deposited in sand waves (megaripples) that migrated parallel to the shore in a south-westward direction. The...
Click to read more »building a pipeline include the following: Seabed mobility: Sand waves and megaripples are features that move with time, such that a pipeline that was supported...
Click to read more »the Paleogene mammal Anisonchus fortunatus, and review the record of megaripples imaged from seismic data that were caused by tsunami generated by the...
Click to read more »been reported for instance from the erosive stoss side of ripple marks, megaripples and dunes. This implies that the structure can form already under lower...
Click to read more »Bridges, N. T.; Zimbelman, J. R. (31 October 2013). "Gravel-mantled megaripples of the Argentinean Puna: A model for their origin and growth with implications...
Click to read more »narrower) and several kilometers in length. Coarser beds preserve sinuous megaripples while finer channels develop small climbing ripples towards the top....
Click to read more »represented a shallow sea with volatile ocean currents, moving sand bars, and megaripples. Whale remains include a cetotheriid baleen whale, the baleen whale Plesiocetus...
Click to read more »