Results 171 to 180 of about 65,602 (237)

Lithostratigraphic and allostratigraphic framework of the Cambrian–Ordovician Potsdam Group and correlations across Early Paleozoic southern Laurentia [PDF]

, 2017
David G. Lowe, R. W. C. Arnott, Godfrey S. Nowlan, A D McCracken   +3 more
openalex   +1 more source

Tracking bioturbation through time: The evolution of the marine sedimentary mixed and transition layers. [PDF]

Sci Adv
Tarhan LG, Pippenger KH, Cribb AT, Zill M, Phelps W, Droser ML, Bottjer DJ, Clapham ME.   +7 more
europepmc   +1 more source

Study on the Development, Evolution, and Main Controlling Factors of Gypsum Moldic Vugs in Ma5₄ ¹, Central Ordos Basin. [PDF]

ACS Omega
He J, Tang C, Zhao G, Du J, Mei X, Zhang Z, Zhao Z, Yao J.   +7 more
europepmc   +1 more source

Magnetic properties of the remagnetized Middle-Ordovician limestones of the Ponón Trehué Formation (San Rafael Block, central-western Argentina): Insights into the Permian widespread Sanrafaelic overprint

, 2016
Sabrina Y. Fazzito, Augusto E. Rapalini
openalex   +2 more sources

Reefal regions were biodiversity hotspots throughout the Phanerozoic. [PDF]

Sci Adv
Close RA, Benson RBJ, Kiessling W, Saupe EE.   +3 more
europepmc   +1 more source

The origin of vertebrate teeth and evolution of sensory exoskeletons. [PDF]

Nature
Haridy Y, Norris SCP, Fabbri M, Nanglu K, Sharma N, Miller JF, Rivers M, La Riviere P, Vargas P, Ortega-Hernández J, Shubin NH.   +10 more
europepmc   +1 more source

Discovery of Ordovician land plants

, 1959
Roman Kozłowski, Pál Greguss
openalex   +1 more source

Facies and geochemical characteristics of the Middle-Lower Ordovician Yingshan Formation in the Tarim Basin, NW China: Implications for the high-frequency sequence stratigraphy in shallow-water carbonate platform [PDF]

Xiaoqun Hou, Shoutao Peng, Tailiang Fan, Zhiqian Gao, Shi Wang   +4 more
openalex   +1 more source

Evaluation of Grouting Reinforcement Effectiveness in Coal Seam Floors Using the Monte Carlo Analytical Hierarchy Process: A Case Study of the Rongkang Coal Mine. [PDF]

ACS Omega
Gao C, Ma J, Wang D, Wang L, Yang X, Ren Y, Yang J, Xu W, Chen Z.   +8 more
europepmc   +1 more source

Early Ordovician trilobite faunas of the Boat Harbour and Catoche Formations (St. George Group) in the Boat Harbour-Cape Norman area, Great Northern Peninsula, western Newfoundland [PDF]

, 1989
W. Douglas Boyce
openalex