• Thumbnail for Rhyacian
    The Rhyacian Period ( /raɪˈeɪsi.ən/; Ancient Greek: ῥύαξ, romanized: rhýax, meaning "stream of lava") is the second geologic period in the Paleoproterozoic...
    8 KB (601 words) - 09:27, 5 August 2024
  • Thumbnail for Yarrabubba impact structure
    oldest confirmed impact structure. This date places the impact in the early Rhyacian, around the end of the Huronian glaciation. The age finding was based on...
    5 KB (494 words) - 16:05, 10 May 2024
  • Thumbnail for Paleoproterozoic
    is further subdivided into four geologic periods, namely the Siderian, Rhyacian, Orosirian and Statherian. Paleontological evidence suggests that the Earth's...
    19 KB (1,909 words) - 03:00, 8 July 2024
  • approximately 2.5 to 2.2 billion years ago (Gya), during the Siderian and Rhyacian periods of the Paleoproterozoic era. Evidence for glaciation is mainly...
    14 KB (1,542 words) - 20:28, 4 August 2024
  • Thumbnail for Supercontinent
    114 Neoarchean-Rhyacian Alternatively the continents may have formed into two groupings Superia and Sclavia Arctica 2,114–1,995 Rhyacian-Orosirian Not...
    32 KB (3,806 words) - 06:37, 4 May 2024
  • Thumbnail for Proterozoic
    the 300 million years-long Huronian glaciation (during the Siderian and Rhyacian periods of the Paleoproterozoic) and the hypothesized Snowball Earth (during...
    23 KB (2,379 words) - 18:30, 4 September 2024
  • 2,400 Ma – Dharwar Craton in southern India stabilizes. c. 2,300 Ma – Rhyacian period starts. c. 2,250 Ma – Bushveld Igneous Complex forms: world's largest...
    64 KB (7,669 words) - 16:04, 11 August 2024
  • Thumbnail for Great Oxidation Event
    during the Siderian period and ended approximately 2.060 Ga ago during the Rhyacian. Geological, isotopic and chemical evidence suggests that biologically...
    85 KB (9,541 words) - 00:28, 7 September 2024
  • Thumbnail for Triassic
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    69 KB (7,587 words) - 04:16, 9 September 2024
  • Thumbnail for Cretaceous
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    95 KB (9,854 words) - 11:04, 11 September 2024
  • Paleoarchean Mesoarchean Neoarchean Proterozoic Paleoproterozoic Siderian Rhyacian Orosirian Statherian Mesoproterozoic Calymmian Ectasian Stenian Neoproterozoic...
    30 KB (3,134 words) - 07:52, 27 August 2024
  • Thumbnail for Permian
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    114 KB (11,778 words) - 04:42, 11 August 2024
  • Thumbnail for Geologic time scale
    (2450–1800 Ma) Skourian (2450–2300 Ma) – from Greek σκουριά (skouriá) 'rust'. Rhyacian (2300–2050 Ma) Orosirian (2050–1800 Ma) Mesoproterozoic (1800–1000 Ma)...
    172 KB (9,500 words) - 18:25, 11 September 2024
  • Thumbnail for Jurassic
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    231 KB (24,898 words) - 17:27, 30 August 2024
  • Thumbnail for Cambrian
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    86 KB (9,075 words) - 08:58, 13 September 2024
  • Thumbnail for Devonian
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    69 KB (7,558 words) - 05:00, 11 August 2024
  • Thumbnail for Carboniferous
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    110 KB (11,562 words) - 04:37, 2 September 2024
  • Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    41 KB (4,325 words) - 04:33, 24 August 2024
  • Thumbnail for Silurian
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    59 KB (5,803 words) - 01:15, 12 September 2024
  • Thumbnail for Ordovician
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    80 KB (7,650 words) - 01:09, 14 September 2024
  • Thumbnail for Kenorland
    and early Paleoproterozoic Era 2.48 to 2.10 Gya, during the Siderian and Rhyacian periods, is manifested by mafic dikes and sedimentary rift-basins and rift-margins...
    11 KB (1,096 words) - 04:07, 24 April 2024
  • Thumbnail for Siderian
    −2320 — – −2300 — – P a l e o p r o t e r o z o i c Neoarchean Siderian Rhyacian         Events of the Siderian Period. Axis scale: millions of years ago...
    5 KB (311 words) - 14:43, 14 June 2024
  • Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    34 KB (3,642 words) - 18:52, 20 August 2024
  • Thumbnail for Historical geology
    Ectasian 1400 Calymmian 1600 Paleoproterozoic Statherian 1800 Orosirian 2050 Rhyacian 2300 Siderian 2500 Archean Neoarchean 2800 Mesoarchean 3200 Paleoarchean...
    14 KB (1,037 words) - 17:14, 20 May 2024
  • Thumbnail for Neoproterozoic
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    12 KB (1,187 words) - 07:23, 25 August 2024
  • Thumbnail for Orosirian
    −1860 — – −1840 — – −1820 — – −1800 — – P a l e o p r o t e r o z o i c Rhyacian Orosirian Statherian   Events of the Orosirian Period. Axis scale: millions...
    5 KB (270 words) - 18:42, 12 July 2024
  • Thumbnail for Mississippian (geology)
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    7 KB (502 words) - 04:54, 11 August 2024
  • Thumbnail for Pennsylvanian (geology)
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    14 KB (1,149 words) - 04:52, 11 August 2024
  • Thumbnail for Timeline of glaciation
    Geological period Era Pongola 2900–2780 Mesoarchean Huronian 2400–2100 Siderian Rhyacian Paleoproterozoic Sturtian Marinoan Gaskiers Baykonur 715–680 650–635 580...
    31 KB (2,104 words) - 19:29, 28 August 2024
  • Thumbnail for Mesoproterozoic
    Ga) Calymmian (1.4–1.6 Ga) Paleoproterozoic (1.6–2.5 Ga) Statherian (1.6–1.8 Ga) Orosirian (1.8–2.05 Ga) Rhyacian (2.05–2.3 Ga) Siderian (2.3–2.5 Ga)...
    11 KB (993 words) - 21:28, 31 March 2024