• Thumbnail for Rhythmite
    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
  • Thumbnail for Sedimentary rock
    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
  • Thumbnail for Tide
    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
  • Thumbnail for Dropstone
    A dropstone of quartzite in layered rhythmite at Itu, Brazil...
    7 KB (873 words) - 18:21, 2 January 2024
  • Thumbnail for Finger Lakes
    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
  • Thumbnail for Varve
    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
  • Thumbnail for Missoula floods
    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 (2,961 words) - 05:56, 5 September 2024
  • Thumbnail for Earth's rotation
    documented by estimates of day lengths obtained from observations of tidal rhythmites and stromatolites; a compilation of these measurements found that the...
    43 KB (4,885 words) - 22:35, 1 September 2024
  • Thumbnail for Schiaparelli (Martian crater)
    (astronomical forcing) of climate results in ice-age cycles and formation of rhythmites. The regular appearance of rock layers suggests that regular changes in...
    8 KB (756 words) - 00:18, 16 August 2024
  • Thumbnail for Tidal acceleration
    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
  • Thumbnail for Orbit of the Moon
    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 (4,642 words) - 22:56, 1 September 2024
  • Thumbnail for Axial precession
    tidal dissipation. Using the 620-million year average provided by tidal rhythmites of about half the modern value, these resonances will not be reached until...
    60 KB (8,341 words) - 20:53, 3 September 2024
  • Thumbnail for Glacial Lake Missoula
    river passes through a layer of harder rock, forming a cascade. Nine Mile Rhythmites – Located at the eastern end of the basin, near Nine Mile. A light pink...
    23 KB (2,487 words) - 03:13, 9 May 2024
  • Thumbnail for Banded iron formation
    of 19 to 270 m/Ma, which are consistent either with annual varves or rhythmites produced by tidal cycles. Preston Cloud proposed that mesobanding was...
    67 KB (7,112 words) - 23:53, 3 September 2024
  • Thumbnail for Big Cottonwood Canyon
    events. The Storm Mountain area is also notable geologically for its rhythmites (a sea-level sedimentary deposit that records the cycle of the tides)...
    6 KB (585 words) - 21:04, 31 August 2023
  • Thumbnail for Howe Caverns
    severed by glacial sediment, and glaciokarst features such as glacial till, rhythmites and ponded water deposits. Additionally, approximately 14,000 years ago...
    12 KB (1,211 words) - 00:45, 25 July 2024
  • Thumbnail for Dike (geology)
    Peak, Colorado, U.S.A. Sheeted clastic dike in Missoula flood slackwater rhythmites at Cecil, Oregon Diorite dike intruding epidote amphibole schist in Dalupirip...
    22 KB (2,952 words) - 02:49, 28 August 2024
  • Thumbnail for Whitetop Laurel
    Cove Creek pass through geological formations composed of tillite and rhythmite, rare sedimentary rocks associated with past glacial activity. The Forest...
    10 KB (1,017 words) - 11:50, 27 April 2021
  • Thumbnail for ΔT (timekeeping)
    was about 23.5 hours long then. Based on geological studies of tidal rhythmites, the day was 21.9±0.4 hours long 620 million years ago and there were...
    19 KB (2,433 words) - 14:51, 19 August 2024
  • Thumbnail for Greenhorn Limestone
    Pfeifer shale members, each noted by changes in chalkiness and limestone rhythmite patterns. In eastern Colorado and western Kansas Hydrocarbon exploration...
    15 KB (1,341 words) - 16:12, 11 February 2024
  • Thumbnail for Touchet Formation
    north-central Oregon. The beds consist of more than 40 to 62 distinct rhythmites – horizontal layers of sediment, each clearly demarcated from the layer...
    30 KB (2,956 words) - 00:50, 24 August 2024
  • DF118. Mark McCarthy joined The Wonder Stuff in 2004. Murph joined The Rhythmites. Bowsher released an album, Infinitive Splits, in 2010 billed as Chris...
    7 KB (756 words) - 19:19, 21 April 2024
  • evidence of the Marinoan glaciation is known from dropstones, diamictites, rhythmites, clast layers, and varve-like deposits. According to Eyles and Young,...
    15 KB (1,472 words) - 20:37, 4 August 2024
  • less coarse material. These sediments normally consist of fine-grained rhythmites that are laid down in layers known as varves or varvites. A varve represent...
    2 KB (302 words) - 21:05, 20 May 2024
  • PMC 6476314. PMID 23076098. George, Williams (1991). "Upper Proterozoic Tidal Rhythmites, South Australia: Sedimentary Features, Deposition, and Implications for...
    10 KB (1,096 words) - 11:54, 22 August 2024
  • Thumbnail for Paleotempestology
    fail to leave a record, as has been noted in Yucatan. Other techniques: Rhythmites in river mouths. These are formed when storms resuspend sediments; the...
    82 KB (10,066 words) - 22:50, 28 April 2024
  • Thumbnail for Clarecastle
    navigation exacerbated by the presence of estuarine intertidal mudflats and rhythmites, necessitated the use of maritime pilots and precluded very large vessels...
    11 KB (961 words) - 19:55, 18 August 2024
  • Thumbnail for Glastonbury Festival 2009
    The Bandstand Friday 26 June Saturday 27 June Sunday 28 June Rhythmites Tragic Roundabout The Cedar Malarchy Vladimir Steamboat Lunaloop Biggles Wartime...
    35 KB (1,069 words) - 10:04, 20 May 2024
  • Thumbnail for Benton Shale
    in Kansas by F.V. Hayden in 1871 Chalk rhythmites in "old Benton" Greenhorn member in Kansas Chalk rhythmites in "old Benton" Lower Carlile member in...
    10 KB (887 words) - 11:54, 22 July 2024
  • Thumbnail for Lac-Témiscouata National Park
    Falls, New Brunswick. The lake drained around 8,000 years ago, leaving rhythmites and varves composed of clayey silt. Although the park is located in the...
    15 KB (1,755 words) - 22:17, 29 May 2024