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• Black Warrior basin
  ...as have been, or presently are, produced from the [[Cambro-Ordovician]], [[Ordovician]], [[Mississippian]], and [[Pennsylvanian]] in the Black Warrior basin.<ref ...merican Carbonate Bank: The Geology and Economic Resources of the Cambrian-Ordovician Sauk Megasequence of Laurentia: [http://store.aapg.org/detail.aspx?id=787 A
  2 KB (308 words) - 16:53, 26 March 2015
• Great American carbonate bank
  ...merican carbonate bank: The geology and economic resources of the Cambrian-Ordovician Sauk megasequence of Laurentia ...inent during the [[Cambrian]], [[Early Ordovician]], and earliest [[Middle Ordovician]]. This laterally continuous and diverse sequence has been assigned differe
  5 KB (768 words) - 18:39, 1 August 2016
• Palynomorphs (organic-walled microfossils)
  ...microfossils (50 μm to [[length::2 mm]] in size) that occur in rocks of [[Ordovician]] to [[Devonian]] age. The biological affinities of chitinozoans are poorly ...are parts of the reproductive cycle of plants and range in age from [[Late Ordovician]] and [[Carboniferous]], respectively, to [[Holocene]]. Although land deriv
  5 KB (582 words) - 15:18, 31 January 2022
• China Shale Gas & Liquids - Sichuan Basin
  ...ains up to 6-12 km of Pre-Cambrian Sinian to Cenozoic sediments. The Upper Ordovician to Lower Silurian Wufeng-Longmaxi Formation is widely distributed across th ...lems in the effective development of deep shale gas: a case study of Upper Ordovician Wufeng-Lower Silurian Longmaxi formations in Sichuan Basin and its peripher
  7 KB (985 words) - 18:54, 4 December 2023
• Chronostratigraphy
  | rowspan="3" | Ordovician || Upper
  3 KB (354 words) - 18:34, 14 March 2019
• Sequences during low-amplitude, high-frequency cycles
  Examples are the Cambrian–Early Ordovician of the U.S., Early Silurian Interlake Formation of the Williston basin, and Examples of low-amplitude cycles in humid zones include Middle Ordovician peritidal sequences, Middle to Late Devonian Swan Hills–Judy Creek Format
  5 KB (708 words) - 21:00, 6 April 2022
• Structural exploration: thrust belt example
  ...The white outcrops in the valley in the left foreground are tightly folded Ordovician Bighorn dolomite. .../outcrop outcrops] in the valley in the left foreground are tightly folded Ordovician Bighorn [[dolomite]].
  14 KB (1,897 words) - 20:01, 3 February 2022
• Silurian Qusaiba shales
  * [[Ordovician]]-[[Silurian]] [[Glaciation]] and [[Deglaciation]] (Qusaiba shales source r ...ilurian]] [[transgression]] that was a result of the melting of the late [[Ordovician]] [[ice cap]] (Lüning et al., 2000<ref name=Luningetal2000>Lüning, S., J.
  18 KB (2,569 words) - 22:50, 8 January 2019
• Phosphatic microfossils
  ...Theron, 1995, A giant conodont with preserved muscle-tissue from the Upper Ordovician of South Africa: Nature, vol. 374, p. 800–803., 10., 1038/374800a0</ref>
  4 KB (496 words) - 18:08, 24 January 2022
• Organic facies
  ...gic note: Middle Ordovician organic matter assemblages and their effect on Ordovician-derived oils]: American Association Petroleum Geologists Bulletin, v. 72, p ...cene age in Wyoming, Colorado, and Utah; and the marine Galena oil rock of Ordovician age in Illinois, Iowa, Minnesota, and Wisconsin.
  17 KB (2,472 words) - 17:39, 13 April 2022
• Jordan petroleum geology
  ...te the drilling of more than 120 petroleum wells. The Silurian-sourced and Ordovician-reservoired Risha gas field in Northeast Jordan originally had a recoverabl ...bon fields have been discovered in Jordan so far: the Silurian-sourced and Ordovician-reservoired Risha gas field in the northeastern corner of the country ([[:f
  16 KB (2,310 words) - 15:13, 19 January 2017
• Gas chromatography: data obtained
  ...ations_fig8-8.png|{{figure number|4}}Gas chromatogram of saturates from an Ordovician-sourced oil from the Illinois basin. From Hatch et al.;<ref name=ch08r18 /> ...ata/pg/0079/0011/1600/1631.htm Geochemical character and origin of oils in Ordovician reservoir rock, Illinois and Indiana]: AAPG Bulletin, vol. 79, p. 1631–16
  22 KB (3,123 words) - 21:38, 15 February 2022
• Paleontology
  ...Phosphatic [[Phosphatic microfossils|conodonts]] are locally abundant from Ordovician to Triassic strata. Of the organic-walled fossils, a variety of marine grou
  17 KB (2,331 words) - 20:11, 10 August 2016
• Libya hydrocarbon provinces
  ...09sep/BLTN05075/BLTN05075.HTM Stratigraphy and sedimentology of the Middle Ordovician Haouaz Formation (Murzuq Basin, Libya)]: AAPG Bulletin, v. 90, no. 9, p. 13 | rowspan=6 | Muruzq || Ordovician || Clastic || Memouniat || || || rowspan=6 | Mainly structural and few
  17 KB (2,361 words) - 16:19, 30 January 2017
• Great American carbonate bank, biostratigraphy
  ...merican carbonate bank: The geology and economic resources of the Cambrian-Ordovician Sauk megasequence of Laurentia | chapter = Biostratigraphy and chronostratigraphy of the Cambrian-Ordovician great American carbonate bank
  58 KB (8,121 words) - 16:35, 1 August 2016
• Biogeography
  ...analogy with the distribution of modern reef corals. Because of the [[Late Ordovician]] Gondwana glaciation, the lower [[Silurian]] reefs are asymmetrically dist
  5 KB (668 words) - 18:11, 31 January 2022
• Basin-centered gas systems: examples
  ...reyandharper_1986>Laughrey, C. D., and J. A. Harper, 1996, Play Obe: Upper Ordovician Bald Eagle Formation fractured play, ''in'' J. B. Roen and B. J. Walker, ed .../0412/0412.htm Black shale source rocks and oil generation in Cambrian and Ordovician of the central Appalachian basin, USA]: AAPG Bulletin, v. 82, p. 412-441.</
  25 KB (3,445 words) - 19:01, 14 March 2016
• Practical suggestions for oil correlation
  ...regional [[Silurian]] [[Evaporite|salt]] were correlated positively with [[Ordovician]] oils below the salt, without regard for the geologic problems involved in
  5 KB (718 words) - 17:24, 15 February 2022
• Basin-centered gas systems: global distribution
  | Michigan basin, Michigan || Low/Moderate || [[Ordovician]] || ? || Popov et al.<ref name=Popovetal_2001 /> | Risha area, Jordan || High || Ordovician || Indirect || Ahlbrandt et al.<ref name=Ahlbrandtetal_1997>Ahlbrandt, T. S
  27 KB (3,753 words) - 14:53, 12 March 2019
• Guará Formation
  ...rtino, J.A. 1998. Sequence and stratigraphy hierarquy of the Paraná Basin (Ordovician to Cretaceous), Southern Brazil. Bol. IG USP, Série Científica, v. 29, p.
  6 KB (856 words) - 19:51, 2 April 2019

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