Results 51 to 60 of about 115,713 (383)

Detrital-zircon geochronology and provenance of the Ocloyic synorogenic clastic wedge, and Ordovician accretion of the Argentine Precordillera terrane [PDF]

, 2015
The Precordillera terrane in northwestern Argentina is interpreted to be anexotic (Laurentian) continental fragment that was accreted to western Gondwanaduring the Ordovician. One prominent manifestation of the subductionand collision process is a Middle?
Astini, Ricardo Alfredo, McClelland, William C., Mueller, Paul A., Thomas, William A.   +3 more
core   +1 more source

Book Review: Teaching and Generative AI: Pedagogical Possibilities and Productive Tensions

Brock Education: a Journal of Educational Research and Practice
Review of Buyserie, B., & Thurston, T. N. (Eds.). (2023). Teaching and generative AI: Pedagogical possibilities and productive tensions. Empower Teaching Open Access Book Series, Utah State University. https://uen.pressbooks.pub/teachingandgenerativeai/
Mel Young
doaj   +1 more source

An Examination of Canadian Post-Secondary Faculty Beliefs Concerning Learning Strategies

Canadian Journal for the Scholarship of Teaching and Learning
Students make many decisions in academia concerning learning. One of the most critical among them is what learning strategy to use. This research surveyed faculty members from various Canadian colleges and universities to examine their opinions on the ...
Derek Newman
doaj   +1 more source

Source of hydrocarbons discovered from Cambrian sub-salt dolomite in Bachu uplift area, Tarim Basin

Shiyou shiyan dizhi, 2021
Exploration experiences have showed that the main source rocks of the Lower Cambrian have not been developed in the Bachu uplift; however, the well MB1 in this area had a good oil and gas showing in the Lower Cambrian.To clarify the hydrocarbon source of
Zicheng CAO, Xiuxiang ZHU, Xian WU, Qinqi XU, Qinghua LU, Jianjiao LI, Haijun JIANG   +6 more
doaj   +1 more source

The Cambrian explosion [PDF]

Current Biology, 2015
The sudden appearance of fossils that marks the so-called 'Cambrian explosion' has intrigued and exercised biologists since Darwin's time. In On the Origin of Species, Darwin made it clear that he believed that ancestral forms 'lived long before' their first fossil representatives.
openaire   +2 more sources

Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc [PDF]

, 2016
An Early Cambrian pluton, known as the Guasayán pluton, has been identified in the central area of Sierra de Guasayán, northwestern Argentina. A U?Pb zircon Concordia age of 533 ± 4 Ma was obtained by LA-MC-ICP-MS and represents the first report of ...
Alasino, Pablo Horacio, Baldo, Edgardo Gaspar Agustín, Basei, Miguel A. S., da Costa Campos Neto, Mario, Dahlquist, Juan Andrés, Rapela, Carlos Washington, Uran, Gimena Mariel, Verdecchia, Sebastián Osvaldo, Zandomeni, Priscila Soledad   +8 more
core   +2 more sources

Review of the Ediacaran-Lower Ordovician (pre-Sardic) stratigraphic framework of the Eastern Pyrenees, southwestern Europe

Geologica Acta, 2018
The Ediacaran-Lower Ordovician successions exposed in the Eastern Pyrenees are updated and revised based on recent U-Pb zircon radiometric ages, intertonguing relationships of carbonate-dominated strata, and onlapping patterns marking the top of volcano ...
M. Padel, S. Clausen, J. J. Álvaro, J.M. Casas   +3 more
doaj   +1 more source

Coupling of ocean redox and animal evolution during the Ediacaran-Cambrian transition

Nature Communications, 2018
The late Ediacaran to early Cambrian interval witnessed extraordinary radiations of metazoan life. The role of the physical environment in this biological revolution, such as changes to oxygen levels and nutrient availability, has been the focus of ...
Dan Wang, H. Ling, U. Struck, Xiangkun Zhu, Maoyan Zhu, Tianchen He, Ben Yang, A. Gamper, G. Shields   +8 more
semanticscholar   +1 more source

Examining the Emotional Tone of Student Evaluations of Teaching

Canadian Journal of Learning and Technology
Student-written evaluation (N = 600) of professors was examined to determine the emotional tone of the words used to evaluate faculty. Using the revised Dictionary of Affect (DOA; Whissell, 2009), evaluation words (N = 26,764) uploaded to the Rate My ...
Derek Newman
doaj   +1 more source

Rifting and arc-related early Paleozoic volcanism along the North Gondwana margin: geochemical and geological evidence from Sardinia (Italy) [PDF]

, 2012
Three series of volcanic rocks accumulated during the Cambrian to Silurian in the metasediment-dominated Variscan basement of Sardinia. They provide a record of the changing geodynamic setting of the North Gondwana margin between Upper Cambrian and ...
BUZZI L, FUNEDDA A., GAGGERO L, OGGIANO G   +3 more
core   +1 more source