(current or waves) or directly by wind. Current ripple marks, unidirectional ripples, or asymmetrical ripple marks are asymmetrical in profile, with a gentle...

thick. Sedimentary structures such as cross-bedding, graded bedding, and ripple marks are utilized in stratigraphic studies. They help indicate the original...

wave-formed ripples or wave-formed ripple marks are a feature of sediments (sandstones, limestones, siltstones) and dunes. These ripple marks are often...

Ayrton, born Phoebe Sarah Marks, she was awarded the Hughes Medal by the Royal Society for her work on electric arcs and ripple marks in sand and water. Hertha...

Giant current ripple marks are large scale analogues of small current ripples formed by sand in streams. Giant current ripple marks are important features...

communities to the south at risk. The volcano is also known for giant ripple marks that have formed on its ignimbrite fields. Persistent wind action on...

Mark Ripple was an American money manager, expert horse racing handicapper, and author of Handicapping the Wall Street Way. He was frequently sought after...

step response Polarization ripples, appearing after irradiation of a solid by energy flux (laser, ions, etc.) Ripple marks, as identified in sediments...

environment. Examples of bed forms include dunes and ripple marks. Sole markings, such as tool marks and flute casts, are grooves eroded on a surface that...

coastal sand dunes near the shoreline of the ancient Pedregosa Sea. Ripple marks are prominent along the lower Cathedral Rock trail, and a black basalt...

water would be required to produce ripple marks of this magnitude, as they are larger-scale versions of the ripple marks found on streambeds that are typically...

(2) burrow marks, which are circular features preserved as casts of burrows once occupied by as-yet-unidentified marine creatures. Ripple marks are preserved...

mountains. Some depositional landforms include dunes, barchan dunes, ripple marks, and loess. Erosional landforms grow when more sediment is removed from...

Heavy minerals (black) forming placers along ripple marks...

Silt deposition landform at the mouth of a river (possible cross beds, ripple marks) Common sediments are sand, silt, and clay. Tide – Rise and fall of the...

quartzite may also display ripple marks that appear visually similar to the patterns one might see in the sand at a beach. Ripples indicate that the sandstone...

individual outcrop). In sedimentary rocks this may include sole markings, ripple marks, mudcracks and cross-bedding. These are recorded as they are generally...

artifact. Along the proximal end, there may be the formation of ripple marks. These ripple marks allow for the direction traveled by the applied force through...

and sandstone; argillaceous and stromatolitic dolomite; mudcracks and ripple marks are common. shallow marine (peritidal) 1,300 m (4,270 ft) Phillips Formation...

coastal plains created the Dakota Group. Dinosaur Courtship Ripple Marks – Ripple marks form on the sandy bottoms of water feature because of wave motion...

Missoula. Aerial view of giant ripple marks near Camas Hot Springs, Montana, U.S. Oblique aerial view of giant ripple marks in Camas Basin, Montana, U.S...

"Livstecken" (Signs of life), poems, 1986 "Vågmärken" (Wave marks; literally Wave-formed ripple marks), poems about the archipelago 1937–1987, 1988 In addition...

Kaibab Limestone make-up part of conglomerates at the member's base while ripple marks and mudcracks are common in its upper parts. Also common in the upper...

include sinoidal structures, polygonal oscillation cracks, multidirected ripple marks, erosional remnants and pockets, or gas domes. Although these structures...

depth indicated by high-water marks. They concluded that a flood of ~106m3/s could not have made the observed high-water marks. In a comment on the Komatsu...

bed point the direction of paleo flow. Current ripple marks – will have the short side of the ripple pointing down stream. Sole markings/flute casts...

For instance, rivers produce asymmetrical ripples, with the steeper slip face facing downstream. Ripple marks preserved in sedimentary strata in the geological...

siltstones. Sandstones exhibit parallel and planar-lamination with occasional ripple marks. Thick beds of Upper Cambrian basalt and andesitic basalt unconformably...

the upper part of the Uhangri Formation, and they are associated with ripple marks, indicating the part of the formation was the shallow lake margin. Pterosaur...

Sedimentary structures Bedforms cross-bedding duness graded bedding ripple marks Alluvial fan Alluvial river Fault Fold Paleocurrent indicators sole markings...