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Third period of the Paleoproterozoic Era
The Orosirian ( /ˌɒroʊˈsɪəriən/; Ancient Greek: ὀροσειρά, romanized: oroseirá, meaning "mountain range") is the third geologic period in the Paleoproterozoic
Orosirian
Fourth and last period of the Paleoproterozoic Era
million years ago (Ma) and spanning 200 million years. It follows the Orosirian Period and precedes the Calymmian Period, with the latter belonging to
Statherian
Second period of the Paleoproterozoic Era
million years ago (Ma), following the Siderian Period and preceding the Orosirian Period. These dates are defined chronometrically rather than stratigraphically
Rhyacian
First era of the Proterozoic Eon
subdivided into four geologic periods, namely the Siderian, Rhyacian, Orosirian and Statherian. Paleontological evidence suggests that the Earth's rotational
Paleoproterozoic
Ancient supercontinent of approximately 2,500 to 1,500 million years ago
during global-scale collisional events from 2,100 to 1,800 Ma during the Orosirian period. Columbia consisted of proto-cratons that made up the cores of
Columbia_(supercontinent)
Largest verified impact structure on Earth
019/2.020 billion years (± 2-3 million years) old, which places it in the Orosirian Period of the Paleoproterozoic Era. It is among the oldest universally
Vredefort_impact_structure
Landmass comprising more than one continental core, or craton
114–1,995 Rhyacian-Orosirian Not generally regarded as a supercontinent, depending on definition Atlantica 1,991–1,124 Orosirian-Stenian Not generally
Supercontinent
repeatedly reactivated from the Neoproterozoic to the Mesozoic. c. 2,050 Ma – Orosirian Period starts. Significant orogeny in most continents. c. 2,023 Ma – Vredefort
Timeline_of_Earth
Fourth period of the Paleozoic Era
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) Archean Eon
Devonian
First period of the Mesozoic Era
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) Archean Eon
Triassic
Fifth period of the Paleozoic Era
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) Archean Eon
Carboniferous
Sixth and last period of the Paleozoic Era
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) Archean Eon
Permian
Mesoarchean Neoarchean Proterozoic Paleoproterozoic Siderian Rhyacian Orosirian Statherian Mesoproterozoic Calymmian Ectasian Stenian Neoproterozoic Tonian
List_of_time_periods
System that relates geologic strata to time
(2450–2300 Ma) – from Greek σκουριά (skouriá) 'rust'. Rhyacian (2300–2050 Ma) Orosirian (2050–1800 Ma) Mesoproterozoic (1800–1000 Ma) Statherian (1800–1600 Ma)
Geologic_time_scale
First geological period of the Paleozoic Era
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) Archean Eon
Cambrian
Waterfall on Karnataka-Tamil Nadu border
the carbonatities dating around 1,994 ± 76 million years ago (in the Orosirian). Hogenakkal falls is mentioned in Sangam Literature as Thalaineer aruvi
Hogenakkal_Falls
Third and last period of the Mesozoic Era
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) Archean Eon
Cretaceous
Second period of the Mesozoic Era
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) Archean Eon
Jurassic
Island group in Nunavut, Canada
Nicholas L.; Sperling, Erik A. (15 August 2019). "New insights on the Orosirian carbon cycle, early Cyanobacteria, and the assembly of Laurentia from
Belcher_Islands
Second era of the Phanerozoic Eon
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) Archean Eon
Mesozoic
First era of the Phanerozoic Eon
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) Archean Eon
Paleozoic
Second epoch of the Devonian period
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) Archean Eon
Middle_Devonian
American musician (1978–2018)
Jane Doe "The Broken Vow" 2006 Isis In the Absence of Truth "1,000 Shards" 2007 The Ocean Precambrian "Orosirian: For the Great Blue Cold Now Reigns"
Caleb_Scofield
Second era of the Proterozoic Eon
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) Archean Eon
Mesoproterozoic
Sixth and last age of the Early Cretaceous
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) Archean Eon
Albian
Geologic eon, 2500–539 million years ago
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) Archean Eon
Proterozoic
Third and last era of the Proterozoic Eon
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) Archean Eon
Neoproterozoic
Second subperiod of the Carboniferous
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) Archean Eon
Pennsylvanian_(geology)
Second period of the Paleozoic Era
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) Archean Eon
Ordovician
Group of organic microfossils
(Ordovician) Salopidium (Silurian) Satka (Paleozoic) Shuiyousphaeridium (Orosirian-Ediacaran) Skiagia (Cambrian) Solisphaeridium (Ordovician) Stellechinatum
Acritarch
Layered iron-rich sedimentary rock
late Archean (2800–2500 Ma) with a secondary peak of deposition in the Orosirian period of the Paleoproterozoic (1850 Ma). Minor amounts were deposited
Banded_iron_formation
Eukaryotes other than animals, plants or fungi
Mesoproterozoic Neoproterozoic Palæozoic Mesozoic Cenozoic Siderian Rhyacian Orosirian Statherian Calymmian Ectasian Stenian Tonian Cryogenian Ediacaran Cambrian
Protist
Third period of the Paleozoic Era
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) Archean Eon
Silurian
First subperiod of the Carboniferous Period
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) Archean Eon
Mississippian_(geology)
2007 studio album by the Ocean
Length 1. "Siderian" 1:57 2. "Rhyacian: Untimely Meditations" 10:57 3. "Orosirian: For the Great Blue Cold Now Reigns" 6:29 4. "Statherian" 5:58 5. "Calymmian:
Precambrian_(album)
Study of the geological history of Earth
Stenian 1200 Ectasian 1400 Calymmian 1600 Paleoproterozoic Statherian 1800 Orosirian 2050 Rhyacian 2300 Siderian 2500 Archean Neoarchean 2800 Mesoarchean 3200
Historical_geology
Fourth and final epoch and series of the Cambrian
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) Archean Eon
Furongian
Region and river in Guyana
meta-volcanics (Kwitaro Group), and associated granites, all intruded by Orosirian rocks of the Southern Guyana Granite Complex. The Kanuku Mountains consist
Rupununi
Earliest subdivision of the Quaternary Period
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) Archean Eon
Gelasian
Mountain range in South Africa
-25.5002; 27.3603 Biome Bushveld and Highveld Geology Rock age 2.3 billion years (Orosirian Period) Mountain type Mountain range Rock type Nooitgedacht
Magaliesberg
Second stage of the Carboniferous
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) Archean Eon
Viséan
Most of the geology of northern Guyana consists of Palaeoproterozoic Orosirian greenstone belts (Barama-Mazaruni Supergroup) intruded by granites. These
Geology_of_Guyana
First period of the Paleoproterozoic Era
deposit into the Transvaal Basin at 2400 Ma, lasting until 2000 Ma in the Orosirian period. Some depositional activity in what would become present-day Australia
Siderian
Unnamed third stage of the Cambrian
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) Archean Eon
Cambrian_Stage_3
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) Archean Eon
Westphalian_(stage)
Fifth stage of the Carboniferous
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) Archean Eon
Moscovian_age
Second age of the Oligocene Epoch
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) Archean Eon
Chattian
First age of the late Jurassic
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) Archean Eon
Oxfordian_age
First age of the Middle Ordovician epoch
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) Archean Eon
Dapingian
Fifth stage of Cambrian and first stage of the Miaolingian
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) Archean Eon
Wuliuan
Seventh and final stage of the Carboniferous
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) Archean Eon
Gzhelian
Third epoch of the Cambrian period
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) Archean Eon
Miaolingian
First stage of the Carboniferous
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) Archean Eon
Tournaisian
First stage of Cambrian Period
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) Archean Eon
Fortunian
Second age of the Furongian epoch
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) Archean Eon
Jiangshanian
Lowest stage of Ordovician
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) Archean Eon
Tremadocian
Third stage of the Carboniferous
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) Archean Eon
Serpukhovian
Third and last age of the Late Ordovician epoch
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) Archean Eon
Hirnantian
Continental flood basalts and oceanic plateaus
1800 Circum-Superior Belt (1884-1864) Winagami sill complex (1890-1760) Orosirian 2050 Kapuskasing and Marathon dike swarm (2126-2101) Fort Frances dike
List of flood basalt provinces
List_of_flood_basalt_provinces
Unnamed 2nd series of the Cambrian
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) Archean Eon
Cambrian_Series_2
part of the Saarijärvi lake. Summanen Simple? 2.6 640 200 41 2.588 1910 Orosirian to Neogene 62°38′52″N 25°22′42″E / 62.6479°N 25.3782°E / 62.6479; 25
Impact_structures_in_Finland
Second and last age of the Early Ordovician epoch
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) Archean Eon
Floian
Second and last age of the Terreneuvian Epoch
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) Archean Eon
Cambrian_Stage_2
Seventh stage of the Cambrian and third stage of the Miaolingian
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) Archean Eon
Guzhangian
Sixth stage of the Carboniferous
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) Archean Eon
Kasimovian
Tectonic event(s) in the late Neoproterozoic
eastward. The Armorican Massif pre Cadomian basement rocks consist of Orosirian or Paleoproterozoic Icart gneiss dated at close to 2,018 million years
Cadomian_Orogeny
Series of rocks from the Lower Carboniferous
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) Archean Eon
Dinantian
Stage of the Cambrian period
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) Archean Eon
Cambrian_Stage_4
Final stage of the Cambrian Period
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) Archean Eon
Cambrian_Stage_10
Third stage of the Carboniferous
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) Archean Eon
Namurian
Second and last age of the Middle Ordovician epoch
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) Archean Eon
Darriwilian
chronometrically - - Paleoproterozoic Statherian 1800 Defined chronometrically - - Orosirian 2050 Defined chronometrically - - Rhyacian 2300 Defined chronometrically
List of Global Boundary Stratotype Sections and Points
List_of_Global_Boundary_Stratotype_Sections_and_Points
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) Archean Eon
Stephanian_(stage)
First age of the Furongian epoch
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) Archean Eon
Paibian
First age of the Late Ordovician epoch
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) Archean Eon
Sandbian
Second stage of the Upper Ordovician
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) Archean Eon
Katian
Second age of the Miaolingian epoch
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) Archean Eon
Drumian
20.4 15 ELMMZ Miocene Europe Orléans (France) Alberdi & Aguirre, 1977 Orosirian 2,050 1,800 period Proterozoic ICS Plumb, 1991 Osagean age Carboniferous
List_of_geochronologic_names
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) Archean Eon
Silesian_(series)
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN
OROSIRIAN