• The Marinoan glaciation, sometimes also known as the Varanger glaciation, was a period of worldwide glaciation. Its beginning is poorly constrained, but...
    16 KB (1,549 words) - 20:36, 7 October 2024
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    followed by another global ice age, the Marinoan glaciation. There is controversy over whether these glaciations indeed covered the entire planet, or whether...
    18 KB (1,815 words) - 16:07, 19 November 2024
  • Sturtian glaciation is an informal, but commonly used name for the older of two worldwide glacial events (the other is known as the Marinoan/Elatina glaciation)...
    10 KB (1,087 words) - 06:31, 19 October 2024
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    which included at least two large glacial periods, the Sturtian and Marinoan glaciations. Proponents of the hypothesis argue that it best explains sedimentary...
    102 KB (12,217 words) - 14:17, 19 November 2024
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    Period (c. 635–538.8 Mya) represents the time from the end of global Marinoan glaciation to the first appearance worldwide of somewhat complicated trace fossils...
    37 KB (3,681 words) - 06:16, 22 November 2024
  • assumed that, in contrast to the Sturtian and Marinoan glaciations, it did not lead to global glaciation ("Snowball Earth"). Deposits attributed to the...
    4 KB (440 words) - 14:11, 12 June 2024
  • referring to its appearance in the fossil record at the end of the Marinoan Glaciation and the belief upon discovery it was an animal. The Vernanimalcula...
    6 KB (596 words) - 13:21, 30 July 2024
  • preceded by the Cryogenian ice ages (720–630 Ma, the Sturtian and Marinoan glaciations), often referred to as Snowball Earth, and followed by the Karoo...
    62 KB (6,874 words) - 08:25, 11 November 2024
  • events decreases as the record goes further back in time. The timeline of glaciation covers ice ages specifically, which tend to have their own names for phases...
    7 KB (311 words) - 05:03, 15 April 2024
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    revealed that these biomarkers only appear before the end of the Marinoan glaciation approximately 635 million years ago, and that "Biomarker analysis...
    132 KB (13,366 words) - 21:15, 29 October 2024
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    Neoproterozoic Era including the Sturtian and Marinoan glaciations of the Cryogenian Period. These glaciations are believed to have been so severe that there...
    12 KB (1,187 words) - 00:20, 30 October 2024
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    Mountains in Canada dated at 610 million years ago, near the end of the Marinoan glaciation, and in 770 million years ago rocks in Kazakhstan. Aspidella also...
    3 KB (269 words) - 21:15, 22 February 2024
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    Age began 34 million years ago, its latest phase being the Quaternary glaciation, in progress since 2.58 million years ago. Within ice ages, there exist...
    31 KB (2,109 words) - 19:33, 22 November 2024
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    the Ediacaran Period (circa 635-539 Mya, around the end of global Marinoan glaciation in the late Neoproterozoic). It has been proposed that the ancestral...
    35 KB (3,206 words) - 15:02, 13 November 2024
  • Cryogenian glaciations. Chromium isotopes also show that during the Cryogenian interglacial interval, between the Sturtian and Marinoan glaciations, oxygenation...
    27 KB (2,953 words) - 02:34, 26 August 2024
  • similar to carbonate fabrics as from cold methane seeps. Marinoan glaciation Sturtian glaciation Boundaries of the Ediacaran Period Katanga Supergroup Hoffman...
    6 KB (658 words) - 18:22, 7 March 2024
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    et al. (September 2012). "Ocean oxygenation in the wake of the Marinoan glaciation". Nature. 489 (7417): 546–549. Bibcode:2012Natur.489..546S. doi:10...
    180 KB (17,735 words) - 17:20, 13 November 2024
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    climaxing with the hypothesized Snowball Earth of the Sturtian and Marinoan glaciations.: 320–321, 325  One of the most important events of the Proterozoic...
    23 KB (2,385 words) - 16:54, 4 November 2024
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    a bilateral triploblastic animal that appeared at the end of the Marinoan glaciation prior to the Ediacaran period, implying an even earlier origin for...
    12 KB (1,211 words) - 12:54, 22 November 2024
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    Sturtian glaciation about 717 million years ago. It persisted until about 660 mya, but it was followed by another Snowball period, Marinoan glaciation, only...
    32 KB (3,859 words) - 08:09, 11 November 2024
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    the Togari Group followed with conglomerate from the Sturtian and Marinoan glaciations and dolomite marking the end of Cryogenian and on into the Ediacaran...
    80 KB (11,155 words) - 08:47, 14 July 2024
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    correlated with the Sturtian glaciation, while another correlates with the Marinoan Glaciation, both global glaciation events that had profound influence...
    20 KB (1,520 words) - 11:21, 2 September 2024
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    consisted of two global glaciation events known as the Sturtian and Marinoan glaciations. Xiao et al. suggest that between the period of time known as the...
    43 KB (4,820 words) - 05:23, 3 November 2024
  • both sexually and asexually c. 650 Ma – Final period of worldwide glaciation, Marinoan (650–635 Ma) begins: most significant "snowball Earth" event, global...
    64 KB (7,755 words) - 23:56, 13 October 2024
  • Thumbnail for Port Askaig Tillite Formation
    glacial sequences, the older Sturtian glaciation (~717–660 million years ago} and the younger Marinoan glaciation (<654–632 million years ago), both of...
    8 KB (821 words) - 17:44, 28 September 2024
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    (2020). "Atmospheric CO2 during the Mid-Piacenzian Warm Period and the M2 glaciation". Scientific Reports. 10 (1): 11002. Bibcode:2020EGUGA..2211480D. doi:10...
    236 KB (6,268 words) - 19:37, 21 November 2024
  • end of the Marinoan glaciation (also known as Varangian glaciation, this is the second and last of a series of very extensive glaciations during a period...
    17 KB (1,853 words) - 21:56, 16 July 2024
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    Garvellachs (category Sturtian glaciation)
    Askaig Tillites, the older Sturtian glaciation (~717–660 million years ago} and the younger Marinoan glaciation (<654–632 million years ago), both of...
    15 KB (1,689 words) - 21:18, 7 September 2024
  • Thumbnail for 2018 in paleontology
    Nantuo Formation (China), deposited during the terminal Cryogenian Marinoan glaciation, is published by Lang et al. (2018), who interpret these concretions...
    457 KB (40,322 words) - 22:21, 18 November 2024
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    are the two Neoproterozoic Snowball Earth events (the Sturtian and Marinoan Glaciations), the Neoproterozoic Oxygenation Event, the Ediacaran Acraman bollide...
    26 KB (2,459 words) - 22:47, 13 July 2024