Results 191 to 200 of about 43,967 (245)
Tracking bioturbation through time: The evolution of the marine sedimentary mixed and transition layers. [PDF]
Sci AdvTarhan LG +7 more
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Protracted late Paleozoic volcanic arc activity along the Northeast Asian continental margin. [PDF]
Sci RepKim HS +6 more
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Upper Permian conodonts from Hydra, Greece
Journal of Paleontology, 1987Conodont faunas recovered from the upper 80 m of Late Permian limestones on the Greek island of Hydra (Idhra) include Neogondolella leveni (Kozur, Mostler, and Pjatakova), Neogondolella orientalis (Barskov and Koroleva), Hindeodus julfensis Sweet, Xaniognathus hydraensis n. sp., and Ellisonia sp. The conodonts occur with a rich assemblage of silicified
Merlynd K. Nestell, Bruce R. Wardlaw
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Upper Permian Stratigraphy of West Texas Permian Basin
AAPG Bulletin, 1935By comparing the Upper Permian stratigraphy of West Texas and Oklahoma it is found that the Whitehorse of Oklahoma is equivalent to the lower evaporites of the southern basin and that the Permian of the Oklahoma Quartermaster is equivalent to the Yates sand. Formations above the Yates in the southern basin are younger than any of the Oklahoma or Kansas
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Upper permian segmented sponges from Djebel Tebaga, Tunisia
Facies, 1988Upper Permian (late Murgabian and early Pamirian) reefs and interbedded terrigenous rocks exposed in Djebel Tebaga (southern Tunisia), represent the only marine deposits in the whole of the African continent. These carbonates contain one of the best preserved and most diverse sponge assemblages of Permian age.
Baba Senowbari-Daryan, J. Keith Rigby
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The gliding reptiles of the Upper Permian
Zoological Journal of the Linnean Society, 1982The skeleton of a long-ribbed reptile from the Upper Permian Marl Slate of north-east England is described. The animal is assigned to the genus Weigeltisaurus, previously recorded from the Kupferschiefer of West Germany. Long-ribbed reptiles from the Upper Permian of Madagascar are also considered.
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The upper Permian reefs in West Hubei, China
Facies, 1982Upper Permian reefs are widely distributed in the Lichuan district, West Hubei, The reefs occur within the Changxing Formation (zone withPalaeofusulina). Main frame-building organisms are sphinctozoan calcisponges, which together with various binding organisms (lamellar blue-green algae andTubiphytes) from the organic framework of the reefs.
Fan Jiasong +3 more
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Lopingian (Upper Permian) radiolarian biostratigraphy of South China
Palaeoworld, 2006Lopingian (Upper Permian) radiolarian cherts are well-developed in shelf basinal facies, slope facies and deep oceanic basins in South China. Investigations during the last 20 years have resulted in the discovery of numerous radiolarian-bearing siliceous sections of the upper Palaeozoic, assignable to 23 radiolarian zones.
Yu-Jing Wang +3 more
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Upper Permian Sediments in Southeastern Permian Basin, Texas
1968Throughout most of late Permian time the southeastern Permian Basin was part of a shallow barred lagoon located in an area of high evaporation and low rainfall. Refluxion to the open sea farther west was slowed by the intervening Capitan barrier reef during Guadalupian time, but free surface influxion of sea water occurred.
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Brachiopod assemblages from the Upper Permian and Permian–Triassic boundary beds, South China
Canadian Journal of Earth Sciences, 1980Uppermost Permian (Changhsingian) brachiopods are abundant and diverse in South China; thus far, 60 genera and 130 species have been described from the Changhsing Formation. Two distinctive brachiopod faunas can readily be identified from a single Changhsingian zone, the Peltichia zigzag–Paryphella sulcatifera Assemblage Zone.
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