A rhythmite consists of layers of sediment or sedimentary rock which are laid down with an obvious periodicity and regularity. They may be created by...
7 KB (705 words) - 09:42, 19 February 2024
States, had intervening periods of aridity which resulted in a series of rhythmite layers. Erosional cracks were later infilled with layers of soil material...
63 KB (7,683 words) - 08:39, 25 June 2024
North Sea. Much later, in the late 20th century, geologists noticed tidal rhythmites, which document the occurrence of ancient tides in the geological record...
109 KB (13,080 words) - 01:26, 22 August 2024
these lakes filled initially with proglacial lake rhythmites. The deposition of proglacial lake rhythmites occurred between 14,400 and 13,900 BP calendar...
41 KB (4,035 words) - 22:43, 7 July 2024
A dropstone of quartzite in layered rhythmite at Itu, Brazil...
7 KB (873 words) - 18:21, 2 January 2024
terms such as 'annually laminated' are synonymous with varve. Of the many rhythmites in the geological record, varves are one of the most important and illuminating...
11 KB (1,370 words) - 17:47, 30 December 2023
windblown dust deposits, located in a thin layer between sediment layers ten rhythmites below the top of the Touchet beds. The two layers of volcanic ash are...
24 KB (2,983 words) - 09:44, 7 August 2024
documented by estimates of day lengths obtained from observations of tidal rhythmites and stromatolites; a compilation of these measurements found that the...
43 KB (4,891 words) - 05:04, 13 August 2024
faster and that the Moon was closer to Earth in the remote past. Tidal rhythmites are alternating layers of sand and silt laid down offshore from estuaries...
36 KB (4,744 words) - 05:31, 21 August 2024
are valid only for the current configuration of the continents. Tidal rhythmites from 620 million years ago show that, over hundreds of millions of years...
37 KB (4,640 words) - 01:02, 22 August 2024