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Sand dune cross-beds can be large, such as in the Jurassic-age erg deposits of Navajo Sandstone in Canyonlands National Park. Aztec Butte shown here Formation of cross-stratification Schematic of eolian cross-bedding Close up of cross-bedding and scour, Logan Formation, Ohio Tabular cross-bedding in the Navajo Sandstone in Zion National Park Tabular cross-bedding in the South Bar Formation in ...
These structures are within sedimentary bedding and can help with the interpretation of depositional environment and paleocurrent directions. They are formed when the sediment is deposited. Cross-bedding Cross-bedding is the layering of beds deposited by wind or water inclined at an angle as much as 35° from the horizontal. [1]
Heterolithic bedding is a sedimentary structure made up of interbedded deposits of sand and mud. It is formed mainly in tidal flats but can also be formed in glacial environments. Examples from fluvial environments have been documented but are rare. [ 1 ]
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A number of cross-bedding patterns are found in sediments, and reflect the currents that deposited them. Subcategories This category has only the following subcategory.
The 2024 Heisman Trophy presentation is less than two weeks away and will feature the top college football players who have demonstrated exceptional skill, leadership and performance on the field ...
The mother of Pete Hegseth, President-elect Donald Trump's pick for defense secretary, pleaded her son's case as his future nomination appeared to be in jeopardy in the Senate over allegations ...
Delightfully chewy gnocchi, often made with potatoes, is considered both a type of pasta and a type of dumpling — depending on who you ask. Can it also be a healthier, more nutritious ...