نتایج جستجو برای: tectonic element

تعداد نتایج: 213582  

1998
Mark T. Brandon

massive than all human structures combined and are sculpted in greater detail than a Baroque palace. The world’s tallest pinnacle—Mount Everest in the Himalayas— reaches 8,848 meters, or about 15 times higher than anything people have ever built. Not surprisingly, such spectacular topography has evoked awe and inspired artists and adventurers throughout human existence. Recent research has led ...

1998
Mark T. Brandon

massive than all human structures combined and are sculpted in greater detail than a Baroque palace. The world’s tallest pinnacle—Mount Everest in the Himalayas— reaches 8,848 meters, or about 15 times higher than anything people have ever built. Not surprisingly, such spectacular topography has evoked awe and inspired artists and adventurers throughout human existence. Recent research has led ...

Iran is well known for having countless historical and instrumental records of tectonic events. Shahriary catchment, as a study area, is part of the Zagros collision seismic province. This research aimed to introduce a new method which is useful in identifying the relative active tectonic events of an area. The research method was designed in order to calculate the relative active tectonic inde...

Journal: :natural environment change 2015
alireza habibi mohammadreza gharibreza

iran is well known for having countless historical and instrumental records of tectonic events. shahriary catchment, as a study area, is part of the zagros collision seismic province. this research aimed to introduce a new method which is useful in identifying the relative active tectonic events of an area. the research method was designed in order to calculate the relative active tectonic inde...

Journal: :تحقیقات جغرافیایی 0
مریم جعفری اقدم مهران مقصودی سجاد باقری سید شکری

nesar anticline is located in west of country and in north of kermanshah province. pattern of drainage network at each district is under the effect of various factors which has intensive anomaly in nesar anticline in spite of its low area and this in turn reflects different lithology, tectonic effects and slope changes in anticline. the goal of this research is the recognition of influential fa...

2001
KELIN X. WHIPPLE

Whether or not steady-state topography and denudation are probable states depends on the timescale of system response to tectonic and climatic perturbations relative to the frequency of those perturbations. This paper presents analytical derivations of algebraic relations for the response time of detachment-limited fluvial bedrock channel systems both to tectonic and climatic perturbations. Det...

1996
Paul E. Stolorz Christopher Dean

W e present an application of novel massively parallel datamining techniques to highly precise inference of important physical processes from remote sensing imagery. Specifically, we have developed and applyed a system, Quakefinder, that automatically detects and measures tectonic activity in the earth’s crust by examination of satellite data. W e have used Quakef inder to automatically map the...

2012
C. C. Walker J. N. Bassis M. W. Liemohn

[1] The south polar terrain (SPT) of Saturn’s moon Enceladus is a mysteriously active region that exhibits intriguing tectonic signatures and widespread fracturing. The central region of the nearly-circular SPT is depressed into the surface by a few hundred meters and bounded by a ring of cliffs roughly 1 km high. In this study, we investigate whether this depression and surrounding mountainous...

2016
Nicholas J. Gardiner Christopher L. Kirkland Martin J. Van Kranendonk

Hf isotope ratios measured in igneous zircon are controlled by magmatic source, which may be linked to tectonic setting. Over the 200-500 Myr periodicity of the supercontinent cycle - the principal geological phenomenon controlling prevailing global tectonic style - juvenile Hf signals, i.e. most radiogenic, are typically measured in zircon from granites formed in arc settings (crustal growth),...

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