Earth and Environmental Sciences: Recent submissions
Now showing items 821-831 of 831
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Evolution of orogenic wedges and continental plateaux: insights from crustal thermal-mechanical models overlying subducting mantle lithosphere
(2003-04)The links between an early phase of orogenesis, when orogens are commonly wedge shaped, and a later phase, with a plateau geometry, are investigated using coupled thermal-mechanical models with uniform velocity subduction ... -
Using small, temporary seismic networks for investigating tectonic deformation: Brittle deformation and evidence for strike-slip faulting in Bhutan
(2007-07)We processed data from a small, five-station temporary seismic network deployed from January 2002 until March 2003 within the Kingdom of Bhutan. We detected, associated, and located approximately 2,100 teleseismic, regional, ... -
Probing the depths of the India-Asia collision: U-Th-Pb monazite chronology of granulites from NW Bhutan
(2011-03)Rocks metamorphosed to high temperatures and/or high pressures are rare across the Himalayan orogen, where peak metamorphic conditions recorded in the exposed metamorphic core, the Greater Himalayan Sequence (GHS), are ... -
An insight into the breakup of Gondwana: Identifying events through low-temperature thermochronology from the basement rocks of Madagascar
(2004-06)Fission track analysis was applied to the Precambrian suites of Madagascar in order to identify the lower-temperature cooling histories and their relationships to the Phanerozoic events that affected the island. Apatite ... -
New insight into the South Tibetan detachment system: Not a single progressive deformation
(2012-03)Low-angle normal faults (LANF), typically regarded as accommodating crustal or lithospheric extension, may also form during lithospheric shortening. The best-studied system of syn-contractional LANFs is the South Tibetan ... -
Experimental Melting of Biotite Plus Plagioclase Plus Quartz Plus Or Minus Muscovite Assemblages and Implications for Crustal Melting
(1995-08)In order to understand the role of mica-rich rocks as a source of granite magmas, a series of melting experiments was performed on two different starting materials. The first composition is a model biotite gneiss consisting ... -
Stratigraphic model for glacial-eustatic Pennsylvanian cyclothems in highstand nearshore detrital regimes
(1998-07)Lower (distal) positions on gently sloping shelves (ramps) affected by Pennsylvanian glacial-eustatic sea-level fluctuation display classic marine transgressive-regressive cyclothems, which are separated by exposure surfaces ... -
Synconvergent ductile flow in variable-strength continental crust; numerical models with application to the western Grenville Orogen
(American Geophysical Union, Washington, DC, 2007-10)No abstract available. -
Last gasp of the Grenville Orogeny; thermochronology of the Grenville Front tectonic zone near Killarney, Ontario
(University of Chicago Press, Chicago, IL, 1993-09)No abstract available. -
Transect across the northwestern Grenville Orogen, Georgian Bay, Ontario; polystage convergence and extension in the lower orogenic crust
(American Geophysical Union, Washington, DC, 1997-12)No abstract available.