Search Results - "Pratt, Brian R"

The First Stalk-Eyed Phosphatocopine Crustacean from the Lower Cambrian of China by Zhang, Xi-guang, Pratt, Brian R.

“…Exhibiting Orsten-type preservation, specimens of the phosphatocopine Dabashanella sp. from the Lower Cambrian Stage 3 (about 520 million years ago) of…”
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KINNEYIA-TYPE WRINKLE STRUCTURES ON SANDSTONE BEDS: NOT MICROBIALLY INDUCED BUT DEFORMATION FEATURES CAUSED BY SYNSEDIMENTARY EARTHQUAKES by Pratt, Brian R

“…A category of wrinkle structures, often termed Kinneyia structure or Runzel marks, comprises bedding plane features consisting typically of anastomosing,…”
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COPROLITES IN THE RAVENS THROAT RIVER LAGERSTÄTTE OF NORTHWESTERN CANADA: IMPLICATIONS FOR THE MIDDLE CAMBRIAN FOOD WEB by KIMMIG, JULIEN, PRATT, BRIAN R

“…The Rockslide Formation (middle Cambrian, Drumian, Bolaspidella Zone) of the Mackenzie Mountains, northwestern Canada, hosts the Ravens Throat River…”
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Comment on "Ultrastructure reveals ancestral vertebrate pharyngeal skeleton in yunnanozoans" by Zhang, Xi-Guang, Pratt, Brian R

“…Tian . (Reports, 8 July 2022, p. 218) claim that Cambrian yunnanozoan animals are stem vertebrates, based partly on their observation at the nanometer scale of…”
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Discussion of ‘Depositional setting of the 2·1 Ga Francevillian macrobiota (Gabon): Rapid mud settling in a shallow basin swept by high‐density sand flows’ by Reynaud et al. (2018) Sedimentology, 65, 670–701 by Pratt, Brian R.

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Sedimentary record of seismic events in the Eocene Green River Formation and its implications for regional tectonics on lake evolution (Bridger Basin, Wyoming) by Törő, Balázs, Pratt, Brian R.

“…Outcrops and cores from the top of the lacustrine Tipton Member and the base of the Wilkins Peak Member (~51.5Ma) of the Eocene Green River Formation, Bridger…”
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Composition and origin of stromatactis‐bearing mud‐mounds (Upper Devonian, Frasnian), southern Rocky Mountains, western Canada by Zhou, Kai, Pratt, Brian R., Brasier, Alexander

“…Stromatactis‐bearing mud‐mounds remain an enigmatic reef type despite being common in Palaeozoic ramp settings. Two well preserved Upper Devonian (Frasnian)…”
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Upper Devonian (Frasnian) stromatactis-bearing mud mounds, western Alberta, Canada; reef framework dominated by peloidal microcrystalline calcite by Zhou, Kai, Pratt, Brian R

“…Two well-preserved mud mounds, approximately 50 m thick, in the Mount Hawk Formation (Upper Devonian, Frasnian) in western Alberta provide an unparalleled…”
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Depositional dynamics in a mixed carbonate-siliciclastic system; Middle-Upper Cambrian Abrigo Formation, southeastern Arizona, U.S.A by Labaj, Marcelina A, Pratt, Brian R

“…The Middle and Late Cambrian mixed carbonate-siliciclastic Abrigo Formation of southeastern Arizona was deposited during the Sauk transgression in the craton…”
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Soft-bodied biota from the middle Cambrian (Drumian) Rockslide Formation, Mackenzie Mountains, northwestern Canada by Kimmig, Julien, Pratt, Brian R

“…A new Burgess Shale-type Lagerstätte is described from the middle Cambrian (Series 3, Drumian) Rockslide Formation of the Mackenzie Mountains, Northwest…”
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Eocene paleoseismic record of the Green River Formation, Fossil Basin, Wyoming, U.S.A.; implications of synsedimentary deformation structures in lacustrine carbonate mudstones by Toro, Balazs, Pratt, Brian R

“…Laterally extensive intervals containing sedimentary deformation features are identified in outcrops of lacustrine deposits of the Eocene (∼ 52-51 Ma) Green…”
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Sedimentology of an early Cambrian tide-dominated embayment: Quyuk formation, Victoria Island, Arctic Canada by Durbano, Andrew M., Pratt, Brian R., Hadlari, Thomas, Dewing, Keith

“…The early Cambrian (series 2, stage 4) Quyuk formation is exposed in the Minto Inlier of western Victoria Island, Canadian Arctic Islands, and forms the base…”
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Phosphatized coprolites from the middle Cambrian (Stage 5) Duyun fauna of China by Shen, Cen, Pratt, Brian R., Zhang, Xi-guang

“…Minute phosphatized coprolites have been recovered from the middle Cambrian (Stage 5) Gaotai Formation in Duyun, Guizhou, southern China. They occur as…”
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Carbonate platform dominated by peloidal sands: Lower Ordovician La Silla Formation of the eastern Precordillera, San Juan, Argentina by PRATT, BRIAN R., RAVIOLO, MARIANA M., BORDONARO, OSVALDO L.

“…The Lower Ordovician La Silla Formation of the Precordillera of west‐central Argentina is part of the west‐facing early Palaeozoic, tropical carbonate platform…”
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Tectonically induced change in lake evolution recorded by seismites in the Eocene Green River Formation, Wyoming by Törő, Balázs, Pratt, Brian R., Renaut, Robin W.

“…Seismogenic sedimentary structures – seismites – provide an opportunity to understand the effects of syndepositional tectonics on lacustrine sedimentation. The…”
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Early middle Cambrian trilobites from La Laja Formation, Cerro El Molle, Precordillera of western Argentina by Pratt, Brian R, Bordonaro, Osvaldo L

“…A tectonically undeformed portion of the lower part of La Laja Formation is exposed at Cerro El Molle near San Juan, Precordillera of western Argentina. It…”
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Possible Algal Origin and Life Cycle of Ediacaran Doushantuo Microfossils with Dextral Spiral Structure by Zhang, Xi-Guang, Pratt, Brian R

“…In Ediacaran shallow-water dolomites of the Doushantuo Formation (ca. 570 Ma) of southern China, scarce phosphatized microfossils consisting of clusters of…”
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Newly identified "Tunnunik" impact structure, Prince Albert Peninsula, northwestern Victoria Island, Arctic Canada by DEWING, Keith, PRATT, Brian R., HADLARI, Thomas, BRENT, Tom, BÉDARD, Jean, RAINBIRD, Robert H.

“…Regional geological mapping of the glaciated surface of northwestern Victoria Island in the western Canadian Arctic revealed an anomalous structure in…”
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Systematic, morphometric and palaeobiogeographic study of Blainia gregaria Walcott, 1916 (Trilobita, Ptychopariida), Middle Cambrian of the Precordillera of western Argentina by Bordonaro, Osvaldo L., Pratt, Brian R., Robledo, Virginia

“…The ptychoparioid trilobite Blainia gregaria Walcott, 1916 is described for the first time from the late middle Cambrian (Series 3) of the Argentine…”
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EVIDENCE FOR BIOGENIC COPPER (HEMOCYANIN) IN THE MIDDLE CAMBRIAN ARTHROPOD MARRELLA FROM THE BURGESS SHALE by PUSHIE, M. JAKE, PRATT, BRIAN R, MACDONALD, TRACY C, GEORGE, GRAHAM N, PICKERING, INGRID J

“…Beginning with the discovery of the middle Cambrian Burgess Shale, the rare examples of exceptional preservation of soft tissues in fine-grained strata have…”
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