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Articles 421 - 432 of 432
Full-Text Articles in Physical Sciences and Mathematics
The Magnitude, Timing And Abruptness Of Changes In North African Dust Deposition Over The Last 20,000 Years, D. Mcgee, P. Demenocal, G. Winckler, J. Stuut, Louisa Bradtmiller
The Magnitude, Timing And Abruptness Of Changes In North African Dust Deposition Over The Last 20,000 Years, D. Mcgee, P. Demenocal, G. Winckler, J. Stuut, Louisa Bradtmiller
Louisa I. Bradtmiller
No abstract provided.
The “Curse Of Rafinesquina:” Negative Taphonomic Feedback Exerted By Strophomenid Shells On Storm-Buried Lingulids In The Cincinnatian Series (Katian, Ordovician) Of Ohio, Rebecca Freeman, Benjamin Dattilo, Aaron Morse, Michael Blair, Steve Felton, John Pojeta
The “Curse Of Rafinesquina:” Negative Taphonomic Feedback Exerted By Strophomenid Shells On Storm-Buried Lingulids In The Cincinnatian Series (Katian, Ordovician) Of Ohio, Rebecca Freeman, Benjamin Dattilo, Aaron Morse, Michael Blair, Steve Felton, John Pojeta
Benjamin F. Dattilo
Taphonomic feedback is the idea that accumulation of organic remains either enhances the habitat for some organisms (positive taphonomic feedback), and/or degrades the habitat for others (negative taphonomic feedback). Examples of epibionts living on skeletal remains are direct evidence of positive taphonomic feedback. Disruption of infaunal burrowing activities by skeletal fragments is an example of negative taphonomic feedback; direct fossil evidence of this phenomenon has not been documented previously. Infaunal organisms are vulnerable to exhumation or entombment during storms, but organisms that burrow can also re-establish viable life positions subsequently. For example, when modern lingulids re-burrow after exhumation, they first …
Introduction And Tribute, George Voulgaris, Timothy Kana, Jacqueline Mitchell
Introduction And Tribute, George Voulgaris, Timothy Kana, Jacqueline Mitchell
George Voulgaris
No abstract provided.
Detrital Zircon Provenance Of The Mesoproterozoic Midcontinent Rift, Lake Superior Region, Usa: Journal Of Geology, V. 121, P. 57-73., John Craddock, Alex Konstantinou, Jeffrey Vervoort, Karl Wirth, Cam Davidson, Lee Finley-Blasi, Natalie Juda, Erin Walker
Detrital Zircon Provenance Of The Mesoproterozoic Midcontinent Rift, Lake Superior Region, Usa: Journal Of Geology, V. 121, P. 57-73., John Craddock, Alex Konstantinou, Jeffrey Vervoort, Karl Wirth, Cam Davidson, Lee Finley-Blasi, Natalie Juda, Erin Walker
Karl Wirth
No abstract provided.
Appendix A: Borehole Data (Thesis Appendix, 2013), David J. Richey
Appendix A: Borehole Data (Thesis Appendix, 2013), David J. Richey
David J Richey
Select borehole data compiled and organized from Utah Division Oil, Gas and Mining (www.oilgas.ogm.utah.gov). The data found here include API well numbers, names of all wells used, well datum as defined by the elevation above sea level measured at the Kelly Bushing on the drilling floor, and the depth to various formation tops encountered during drilling measured in drilling depth.
Appendix B: Geophysical Data (Thesis Appendix, 2013), David J. Richey
Appendix B: Geophysical Data (Thesis Appendix, 2013), David J. Richey
David J Richey
Select geophysical data collected and processed during this thesis. A description of the geophysical methods used, the results and raw data, and some interpretations are provided in this appendix.
Selected Drillhole Data (Dogm), Emery County, Ut, David J. Richey
Selected Drillhole Data (Dogm), Emery County, Ut, David J. Richey
David J Richey
Compiled formation tops data for selected oil and gas exploration drill holes in Emery County, Utah. Data was downloaded from [http://oilgas.ogm.utah.gov/index.htm].
Reversible Water Weakening Of Quartz, Caleb Holyoke, Andreas Kronenberg
Reversible Water Weakening Of Quartz, Caleb Holyoke, Andreas Kronenberg
Caleb Holyoke
No abstract provided.
High Pressure Deformation Experiments Using Solid Confining Media And Griggs Piston-Cylinder Methods: Appraisal Of Stress And Deformation In Talc Assemblies, Eric Stewart, Caleb Holyoke, Andreas Kronenberg
High Pressure Deformation Experiments Using Solid Confining Media And Griggs Piston-Cylinder Methods: Appraisal Of Stress And Deformation In Talc Assemblies, Eric Stewart, Caleb Holyoke, Andreas Kronenberg
Caleb Holyoke
No abstract provided.
Dislocation Creep Of Polycrystalline Dolomite, Caleb Holyoke, Andreas Kronenberg, Julie Newman
Dislocation Creep Of Polycrystalline Dolomite, Caleb Holyoke, Andreas Kronenberg, Julie Newman
Caleb Holyoke
No abstract provided.
Hydrolytic Weakening Of Olivine At Mantle Pressure: Evidence Of [100](010) Slip System Softening From Single-Crystal Deformation Experiments, Jennifer Girard, Jiuhua Chen, Paul Raterron, Caleb Holyoke
Hydrolytic Weakening Of Olivine At Mantle Pressure: Evidence Of [100](010) Slip System Softening From Single-Crystal Deformation Experiments, Jennifer Girard, Jiuhua Chen, Paul Raterron, Caleb Holyoke
Caleb Holyoke
No abstract provided.
Bedrock Strength And River Metrics: Spatial And Statistical Correlations On The Incision Of The Colorado Plateau, Southwest Usa, Natalie Bursztyn, Joel Pederson