Results 21 to 30 of about 96,413 (305)
Ostracods (Crustacea) associated with microbialites across the Permian-Triassic boundary in Dajiang (Guizhou Province, South China) [PDF]
, 2012 26 samples were processed for a taxonomic study of ostracods from the Upper Permian (Changhsingian) - Lower Triassic (Griesbachian) interval of the Dajiang section, Guizhou Province, South China. 112 species belonging to 27 genera are recognized.
Marie-Beatrice FOREL +2 more
core +1 more source
Evaluating the Synthesis Model of tutoring across the educational spectrum
Stellenbosch Papers in Linguistics Plus, 2019 The goal of this study is to verify a grounded theory model of tutoring developed by Babcock, Manning and Rogers (2012) using qualitative research literature as data.
Babcock, Rebecca Day +3 more
doaj +1 more source
Key structural periods and Permian tight gas accumulation response in Hangjinqi area, Ordos Basin
Shiyou shiyan dizhi, 2021 Critical tectonic period is a critical time point that characterizes the genetic connection and causal relation (accumulation response) between tectonic effect and oil/gas accumulation in large superposition basins, it is also an important "window" for ...
Kaiping LUO +4 more
doaj +1 more source
Optimizing initial oil production of horizontal Wolfcamp wells utilizing data analytics
Journal of Petroleum Exploration and Production Technology, 2020 Machine learning techniques have fundamentally altered how oil and gas industry practitioners design fracture operations. In this paper, we perform data analytics utilizing response surface methodology (RSM), a group of statistical techniques that ...
A. Alzahabi +3 more
doaj +1 more source
Early Permian Pangea ‘B’ to Late Permian Pangea ‘A’
Earth and Planetary Science Letters, 2003 The pre-drift Wegenerian model of Pangea is almost universally accepted, but debate exists on its pre-Jurassic configuration since Ted Irving introduced Pangea 'B' by placing Gondwana farther to the east by ∼3000 km with respect to Laurasia on the basis of paleomagnetic data.
G. Muttoni +5 more
openaire +4 more sources
Acta Societatis Botanicorum Poloniae, 2022 During the Palaeozoic Era, plants conquered the land and covered greater and greater areas from coastal lowlands to highlands. Palaeobotanical data based on macroremains from Polish Palaeozoic strata complete and enrich the picture of these processes ...
Grzegorz Pacyna, Maria Barbacka
doaj +1 more source
Nature Communications, 2020 The current model for the end-Permian terrestrial ecosystem crisis holds that systematic loss exhibited by an abrupt turnover from the Daptocephalus to the Lystrosaurus Assemblage Zone (AZ; Karoo Basin, South Africa) is time equivalent with the marine ...
R. Gastaldo +5 more
semanticscholar +1 more source
High-resolution carbon isotope changes in the Permian-Triassic boundary interval, Chongqing, South China; implications for control and growth of earliest Triassic microbialites [PDF]
, 2009 High-resolution delta13C_CARB analysis of the Permian-Triassic boundary (PTB) interval at the Laolongdong section, Beibei, near the city of Chongqing, south China, encompasses the latest Permian and earliest Triassic major facies changes in the South ...
Kershaw, S +23 more
core +1 more source