A new species of the primitive stromatoporoid Cystostroma from the Ordovician of East Asia
Sign Up to like & getrecommendations! Published in 2019 at "Geosciences Journal"
DOI: 10.1007/s12303-018-0063-7
Abstract: A new species of the most primitive rosenellid stromatoporoid Cystostroma, C. primordia sp. nov. is reported from the Hunghuayuan Formation (Lower Ordovician, Floian) of Guizhou Province in the South China Block and the Duwibong Formation… read more here.
Keywords: new species; primordia nov; cystostroma; species primitive ... See more keywords
Stromatolites in Middle Ordovician carbonate–evaporite sequences and their carbon and sulfur isotopes stratigraphy, Ordos Basin, northwestern China
Sign Up to like & getrecommendations! Published in 2017 at "Carbonates and Evaporites"
DOI: 10.1007/s13146-017-0367-0
Abstract: At the present day, stromatolites are very rare and limited to high-salinity settings. However, abundant and variable stromatolite fossils occur in thick evaporite sequences, the Middle Ordovician Majiagou Formation of the Ordos Basin, northwestern China.… read more here.
Keywords: ordos basin; carbon; stratigraphy; evaporite sequences ... See more keywords
Depositional facies and stratal cyclicity of carbonate successions in the Yingshan and Yijianfang Group (Lower-Middle Ordovician) in Yuejin-Tuoputai Region, Tarim Basin, NW China
Sign Up to like & getrecommendations! Published in 2019 at "Carbonates and Evaporites"
DOI: 10.1007/s13146-019-00503-5
Abstract: The Lower-Middle Ordovician Yingshan and Yijianfang Group in the Tarim Basin are overwhelmingly composed of cyclic carbonates. Based on microscopic observation and facies analysis from two borehole sections in Yuejin-Tuoputai area, two main types of… read more here.
Keywords: yuejin tuoputai; group; lower middle; yijianfang group ... See more keywords
Early dolomitization and recrystallization of the Lower-Middle Ordovician carbonates in western Tarim Basin (NW China)
Sign Up to like & getrecommendations! Published in 2020 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2019.08.017
Abstract: Abstract The Lower-Middle Ordovician shallow-marine carbonates in western Tarim Basin were dolomitized to different degrees. The resultant dolomites are mainly concentrated in the successions of platform interior to shallow subtidal shoal, and display an upward… read more here.
Keywords: carbonates western; middle ordovician; tarim basin; basin ... See more keywords
Lipid biomarker and stable isotopic profiles through Early-Middle Ordovician carbonates from Spitsbergen, Norway
Sign Up to like & getrecommendations! Published in 2019 at "Organic Geochemistry"
DOI: 10.1016/j.orggeochem.2019.02.008
Abstract: Abstract One of the most dramatic episodes of sustained diversification of marine ecosystems in Earth history took place during the Early to Middle Ordovician Period. Changes in climate, oceanographic conditions, and trophic structure are hypothesised… read more here.
Keywords: lipid biomarker; biomarker; middle ordovician; spitsbergen norway ... See more keywords
Dissecting Calathium -microbial frameworks: The significance of calathids for the Middle Ordovician reefs in the Tarim Basin, northwestern China
Sign Up to like & getrecommendations! Published in 2017 at "Palaeogeography, Palaeoclimatology, Palaeoecology"
DOI: 10.1016/j.palaeo.2016.08.005
Abstract: Abstract As an obconical macrofossil with porous double-wall, Calathium was commonly present in reefs of Early to early Middle Ordovician age. The Calathium -bearing reefs thrived globally during the Early Ordovician, but this ecosystem collapsed… read more here.
Keywords: basin northwestern; calathium; tarim basin; calathium microbial ... See more keywords
A middle Ordovician (Darriwilian) Calathium reef complex on the carbonate ramp of the northwestern Tarim Block, northwest China: A sedimentological approach
Sign Up to like & getrecommendations! Published in 2017 at "Palaeogeography, Palaeoclimatology, Palaeoecology"
DOI: 10.1016/j.palaeo.2016.11.002
Abstract: This study was supported by National Natural Science Foundation of China (41072002, XDB10010503 and 41521061). read more here.
Keywords: darriwilian calathium; calathium reef; reef complex; ordovician darriwilian ... See more keywords
Darriwilian (Middle Ordovician) chitinozoans from the Qaidam Paleoplate, northwest China
Sign Up to like & getrecommendations! Published in 2018 at "Review of Palaeobotany and Palynology"
DOI: 10.1016/j.revpalbo.2018.09.016
Abstract: Abstract The Qaidam Paleoplate is a microcontinent that is currently part of central Asia. Its position during the Ordovician is uncertain, with paleogeographic reconstructions placing it either near South China or near North China. Ordovician… read more here.
Keywords: qaidam paleoplate; northwest china; china; darriwilian middle ... See more keywords
First record of a nonpaleotropical intejocerid cephalopod from Darriwilian (Middle Ordovician) strata of central Spain
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Paleontology"
DOI: 10.1017/jpa.2019.66
Abstract: Abstract. The order Intejocerida is an enigmatic, short-lived cephalopod taxon known previously only from Early–Middle Ordovician beds of Siberia and the United States. Here we report a new genus, Cabaneroceras, and a new species, C.… read more here.
Keywords: central spain; ordovician strata; strata central; first record ... See more keywords
First evidence of Lower–?Middle Ordovician (Floian–?Dapingian) brachiopods from the Peruvian Altiplano and their paleogeographical significance
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Paleontology"
DOI: 10.1017/jpa.2020.72
Abstract: Abstract. The lower strata of the Umachiri Formation from the Altiplano of southeast Peru have yielded a brachiopod-dominated assemblage, containing representatives of the brachiopod superfamilies Polytoechioidea, Orthoidea, and Porambonitoidea, as well as subsidiary trilobite and… read more here.
Keywords: peruvian altiplano; first evidence; floian dapingian; evidence lower ... See more keywords
The oldest bifoliate cystoporate and two other bryozoan taxa from the Dapingian (Middle Ordovician) of north-western Russia
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Paleontology"
DOI: 10.1017/jpa.2020.73
Abstract: Abstract. Bryozoans from the Dapingian (Middle Ordovician) of the Baltic paleobasin remain poorly studied and their taxonomic composition is unclear. In this paper, three bryozoan taxa, a bifoliate cystoporate Planopora volkhovensis n. gen. n. sp.,… read more here.
Keywords: bryozoan; microscopy; bifoliate; cystoporate ... See more keywords