نتایج جستجو برای: tectonic origin
تعداد نتایج: 208579 فیلتر نتایج به سال:
Marine accumulations of terrigenous sediment are widely assumed to accurately record climatic- and tectonic-controlled mountain denudation and play an important role in understanding late Cenozoic mountain uplift and global cooling. Underpinning this is the assumption that the majority of sediment eroded from hinterland orogenic belts is transported to and ultimately stored in marine basins wit...
The present study illustrates a method for analysing the biogeography of a group that is based on the group’s phylogeny but does not invoke founder dispersal or centre of origin. The case studies presented include groups from many different parts of the world, but most are from the south-west Pacific. The idea that basal groups are ancestral is not valid as a generalization. Neither the basal g...
www.sciencemag.org (this information is current as of June 5, 2007 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/313/5792/1419 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/313/5792/1419/DC1 can be found ...
We report a case of tectonic corneal transplantation for impending corneal perforation to preserve anatomic integrity using cryopreserved donor tissue. An 82-year-old woman exhibiting impending corneal perforation suffered from moderate ocular pain in the left eye for one week. After abnormal tissues around the impending perforation area were carefully peeled away using a Crescent blade and Van...
ConUtriuUing subject-maner experts and reviewers Included: Bill Arnold PA SZ flow issues Scott Bennett WPD Waste package and design-related FEPs Jim Houseworth UZ UZ flow issues and fracture-related FEPs Dwayne Kicker Repository Modeling Rockfall-related FEPs Dennis O'Leary USGS Faulting-related and tectonic-related FEPs Carl Stepp Site Integration Tectonic-related, faulting-related, and seismi...
A reorganization centered on the Pacific plate occurred ~53–47million years ago. A “top-down” plate tectonic mechanism, complete subduction of the Izanagi plate, as opposed to a “bottom-up”mantle flow mechanism, has been proposed as the main driver. Verification based on marine geophysical observations is impossible as most ocean crust recording this event has been subducted. Using a forward mo...
Earth's surface archives the combined history of tectonics and erosion, which tend to roughen landscapes, and sediment transport and deposition, which smooth them. We analyzed hillslope morphology in the tectonically active Dragon's Back Pressure Ridge in California, United States, to assess whether tectonic uplift history can be reconstructed using measurable attributes of hillslope features w...
Despite much progress, many questions remain regarding the potential dynamic coupling between atmospheric and lithospheric processes in the long-term evolution of mountain belts. As a complement to recent efforts to discover the interrelationships among climate, topography, erosion, and rock deformation under conditions of mass-flux steady state, we explore orogen response to changes in climate...
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