يعرض 1 - 20 نتائج من 1,964 نتيجة بحث عن '"Ordovician Period"', وقت الاستعلام: 0.55s تنقيح النتائج
  1. 1
    Academic Journal
    Nitrogen isotopes of marine oils in the Tarim Basin, China: Implications for the origin of organic matters and the paleoenvironment.

    المؤلفون: Yang Bai1,2, Jian-Fa Chen1,2 jfchen@cup.edu.cn, Wen-Zhe Gang1,2, Xin-Jian Zhu3, Václav Suchý4, Shuai-Qi Tang1,2, Jin Wu1,2, Min Li5, Sheng-Bao Shi1

    المصدر: Petroleum Science (KeAi Communications Co.). Dec2024, Vol. 21 Issue 6, p3692-3705. 14p.

    مصطلحات موضوعية: NITROGEN isotopes, ORDOVICIAN Period, NITROGEN cycle, ISOTOPIC fractionation, BIOGEOCHEMICAL cycles

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  2. 2
    Academic Journal
    A pyritized Ordovician leanchoiliid arthropod.

    المؤلفون: Parry, Luke A.1 (AUTHOR) luke.parry@earth.ox.ac.uk, Briggs, Derek E.G.2,3 (AUTHOR), Ran, Ruixin4,5 (AUTHOR), O'Flynn, Robert J.4,5,6 (AUTHOR), Mai, Huijuan4,5 (AUTHOR), Clark, Elizabeth G.7 (AUTHOR), Liu, Yu1,4,5 (AUTHOR) yu.liu@ynu.edu.cn

    المصدر: Current Biology. Dec2024, Vol. 34 Issue 23, p5578-55558. 49981p.

    مصطلحات موضوعية: *ORDOVICIAN Period, *FOSSIL arthropods, *PYRITES, *X-ray computed microtomography, *COMPUTED tomography

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  3. 3
    Dissertation/ Thesis
    Sedimentology and sedimentary architecture of the Middle Ordovician Hawaz Formation in the subsurface of the Murzuq Basin (Libya)

    المؤلفون: Gil-Ortiz, Marc

    المساهمون: University/Department: Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà

    Thesis Advisors: Cabello López, Patricia, McDougall, Neil David, Marzo, M.

    المصدر: TDX (Tesis Doctorals en Xarxa)

    مصطلحات موضوعية: Sedimentologia, Sedimentología, Sedimentology, Estratigrafia, Estratigrafía, Stratigraphic geology, Ordovicià, Ordovícico, Ordovician period, Gondwana (Continent), Ciències Experimentals i Matemàtiques

    وصف الملف: application/pdf

    URL الوصول: http://hdl.handle.net/10803/687307

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  4. 4
    Academic Journal
    Distinct causes underlie double-peaked trilobite morphological disparity in cephalic shape.

    المؤلفون: Drage, Harriet B.1 (AUTHOR) harriet.drage@unil.ch, Pates, Stephen2,3 (AUTHOR)

    المصدر: Communications Biology. 11/12/2024, Vol. 7 Issue 1, p1-18. 18p.

    مصطلحات موضوعية: *FISHER discriminant analysis, *ORDOVICIAN Period, *CAMBRIAN Period, *K-means clustering, *PRINCIPAL components analysis

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  5. 5
    Academic Journal
    Trends in estuarine pyrite formation point to an alternative model for Paleozoic pyrite burial.

    المؤلفون: Hantsoo, Kalev1 (AUTHOR) khantso1@jhu.edu, Gomes, Maya1 (AUTHOR), Brenner, Dana1 (AUTHOR), Cornwell, Jeffrey2 (AUTHOR), Palinkas, Cindy M.2 (AUTHOR), Malkin, Sairah2 (AUTHOR)

    المصدر: Geochimica et Cosmochimica Acta. Jun2024, Vol. 374, p51-71. 21p.

    مصطلحات موضوعية: *PYRITES, *ORDOVICIAN Period, *PALEOZOIC Era, *CAMBRIAN Period, *SILICICLASTIC rocks, *PORE water

    مصطلحات جغرافية: CHESAPEAKE Bay (Md. & Va.)


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  6. 6
    Academic Journal
    New Cincinnati Gallery Unveils "Ancient Worlds Hiding in Plain Sight".

    المؤلفون: Hand, Greg (AUTHOR) handeaux@gmail.com

    المصدر: Rocks & Minerals. May/Jun2024, Vol. 99 Issue 3, p248-255. 8p.

    مصطلحات موضوعية: *FOSSIL animals, *ORDOVICIAN Period, *EARTH sciences, *CARBONIFEROUS Period

    مصطلحات جغرافية: CINCINNATI (Ohio)


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  7. 7
    Academic Journal
    Baltoscandian Middle Ordovician brachiopod oxygen stable isotope trends: implications for palaeotemperature changes.

    المؤلفون: Gul, Bilal, Ainsaar, Leho, Meidla, Tõnu

    المصدر: Baltica; 2024, Vol. 37 Issue 2, p87-97, 11p

    مصطلحات موضوعية: ORDOVICIAN Period, ENVIRONMENTAL history, CARBONATE rocks, OXYGEN isotopes, STABLE isotopes


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  8. 8
    Academic Journal
    Enhanced Continental Weathering Triggered the Anoxia of Seawater and Mass Extinctions During the Late Ordovician.

    المؤلفون: Tang, Pan, Yang, Xiangrong, Yan, Detian

    المصدر: Journal of Marine Science & Engineering; Dec2024, Vol. 12 Issue 12, p2237, 27p

    مصطلحات موضوعية: ORDOVICIAN Period, GLOBAL warming, MASS extinctions, CLIMATE change, SEA level, CHEMICAL weathering


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  9. 9
    Periodical
    Earth once had a ring like Saturn’s, hint crater sites.

    المؤلفون: Woodford, James (AUTHOR)

    المصدر: New Scientist. 9/28/2024, Vol. 263 Issue 3510, p16-16. 3/4p. 1 Color Photograph.

    مصطلحات موضوعية: *ORDOVICIAN Period, *PLATE tectonics, *RESEARCH personnel, *ORBITS (Astronomy), *PLANETS

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  10. 10
    Academic Journal
    Ordovician reservoirs in Fuxian area: Gas accumulation patterns and their implications for the exploration of lower Paleozoic carbonates in the southern Ordos Basin.

    المؤلفون: Ning Gu1 guning.syky@sinopec.com, Juntao Zhang1, Xiaohui Jin1, Fei Yang2, Lu Liu2

    المصدر: Energy Geoscience. Jan2024, Vol. 5 Issue 1, p1-9. 9p.

    مصطلحات موضوعية: *ORDOVICIAN Period, *GAS industry, *GAS reservoirs, *NATURAL gas geology, *LANDFORMS

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  11. 11
    Academic Journal
    Electrical Resistivity Structures of the Beishan Block, NW China, and Tectonic Implications.

    المؤلفون: ZHANG, Lingxiao, GUO, Changan, CHEN, Chutong, YUAN, Weiheng, ZHU, Keying

    المصدر: Acta Geologica Sinica (English Edition); Nov2024 Supplement 1, Vol. 98, p90-93, 4p

    مصطلحات موضوعية: EARTH sciences, GEOPHYSICAL surveys, GEOLOGICAL surveys, SUBDUCTION, ORDOVICIAN Period, OROGENIC belts


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  12. 12
    Academic Journal
    Geochemical Characterization of and Exploration Guide for the World-Class Mafic–Siliciclastic-Hosted Touro VMS Cu Deposit, Northwestern Iberian Peninsula.

    المؤلفون: Nuñez, Pablo, Rubio, Alvaro, Arias, Daniel, Fuertes-Blanco, Jorge, Cortés, Fernando, Díaz-Riopa, Fernando, Martin-Izard, Agustin

    المصدر: Minerals (2075-163X); Nov2024, Vol. 14 Issue 11, p1159, 31p

    مصطلحات موضوعية: DEVONIAN Period, ELECTRON probe microanalysis, ORDOVICIAN Period, DRILL cores, ISOTOPIC analysis

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  13. 13
    Academic Journal
    Analysis of Oil and Gas Controlling Factors of Lower Silurian and Upper Ordovician Sediments of Wufeng-Longmaxi Formation in Sichuan Basin.

    المؤلفون: Nefedov, Y. V., Gao, H., Gribanov, M. A., Vostrikov, N. N., Yashmolkin, A. M., Yandulov, P. V., Loginov, A. V., Gribanov, D. A., Karimov, V. M.

    المصدر: International Journal of Engineering Transactions B: Applications; Oct2024, Vol. 37 Issue 10, p2066-2079, 14p

    مصطلحات موضوعية: GEOCHEMISTRY, SHALE gas, ORDOVICIAN Period, SEDIMENTS, X-ray fluorescence

    مصطلحات جغرافية: SICHUAN Basin (China)


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  14. 14
    Academic Journal
    The Genesis of Ultramafic Rock Mass on the Northern Slope of Lüliang Mountain in North Qaidam, China.

    المؤلفون: Guo, Haiming, Li, Yanguang, Chen, Bo, Zhang, Huishan, Yang, Xiaoyong, He, Li, Ma, Yongjiu, Li, Yunping, Luo, Jincheng, Zhao, Haichao

    المصدر: Minerals (2075-163X); Sep2024, Vol. 14 Issue 9, p871, 19p

    مصطلحات موضوعية: ELECTRON probe microanalysis, GEOLOGICAL time scales, ULTRABASIC rocks, ORDOVICIAN Period, GEOCHRONOMETRY, CHROMITE

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  15. 15
    Academic Journal
    An oversized, late-surviving reticulosan sponge from the Carboniferous of Ireland.

    المؤلفون: Botting, Joseph P.1,2 (AUTHOR) acutipuerilis@yahoo.co.uk, Muir, Lucy A.1 (AUTHOR), Doyle, Eamon1,3 (AUTHOR) edoyle@clarecoco.ie

    المصدر: Geobios. Oct2023, Vol. 80, p1-13. 13p.

    مصطلحات موضوعية: *SILURIAN Period, *ORDOVICIAN Period, *FOSSILS, *MUDSTONE, *FOSSIL collection

    مصطلحات جغرافية: IRELAND


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  16. 16
    Academic Journal
    Consumption of shark products: The interface of sustainability, trade (mis)labelling, human health and human rights.

    المؤلفون: Hasan, Md Robiul1 (AUTHOR) rhasan_rony@yahoo.com, Chaplin, Jennifer A.1 (AUTHOR), Spencer, Peter B.1 (AUTHOR), Braccini, Matias2 (AUTHOR)

    المصدر: Fish & Fisheries. Sep2023, Vol. 24 Issue 5, p777-795. 19p.

    مصطلحات موضوعية: *ORDOVICIAN Period, *SHARKS, *WILD animal trade, *HUMAN rights, *LAW enforcement agencies, *CONSUMER preferences, *FOOD labeling


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  17. 17
    Academic Journal
    Polyproline type II helical antifreeze proteins are widespread in Collembola and likely originated over 400 million years ago in the Ordovician Period.

    المؤلفون: Scholl, Connor L.1 (AUTHOR), Holmstrup, Martin2,3 (AUTHOR), Graham, Laurie A.1 (AUTHOR), Davies, Peter L.1 (AUTHOR) peter.davies@queensu.ca

    المصدر: Scientific Reports. 6/1/2023, Vol. 13 Issue 1, p1-13. 13p.

    مصطلحات موضوعية: *ORDOVICIAN Period, *ANTIFREEZE proteins, *POLYPROLINE, *COLLEMBOLA, *TANDEM mass spectrometry

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  18. 18
    Academic Journal
    Geologic characteristics, exploration and production progress of shale oil and gas in the United States: An overview.

    المؤلفون: MCMAHON T. P., LARSON T. E., ZHANG T., SHUSTER M.

    المصدر: Petroleum Exploration & Development; Aug2024, Vol. 51 Issue 4, p925-948, 24p

    مصطلحات موضوعية: SHALE oils, SHALE gas, PETROLEUM prospecting, PETROLEUM production, HYDROCARBONS, ORDOVICIAN Period

    مصطلحات جغرافية: UNITED States


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  19. 19
    Academic Journal
    Cambrian Furongian–Middle Ordovician conodonts in the northeastern margin of the South China Block (Chuzhou, Anhui province) and their paleogeographic implications.

    المؤلفون: Hu, Bo, Li, Shuangying, Cheng, Cheng, Li, Min, Xie, Wei, Wei, Xing

    المصدر: Journal of Micropalaeontology; 2024, Vol. 43 Issue 2, p283-302, 20p

    مصطلحات موضوعية: ORDOVICIAN Period, OCEAN currents, OROGENIC belts, SPECIES distribution, CONODONTS


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  20. 20
    Academic Journal
    Caesar Creek: An Ohio Fossil Destination.

    المؤلفون: Fine, Ron (AUTHOR), Bissett, Don (AUTHOR)

    المصدر: Rocks & Minerals. May/Jun2023, Vol. 98 Issue 3, p272-276. 5p.

    مصطلحات موضوعية: *FOSSILS, *ORDOVICIAN Period, *RAINFALL, *BEACHES

    مصطلحات جغرافية: OHIO


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