نتایج جستجو برای: tectonic activity

تعداد نتایج: 1143351  

Journal: :Applied sciences 2023

In this paper, we apply an effective method to evaluate relative tectonic activity by applying several morph-tectonic indices that are useful in evaluating topography and tectonics. These include stream length-gradient, asymmetric factor, hypsometric index, curves, valley floor width height ratio, drainage basin shape, mountain front sinuosity. The study region of Wadi Al-Arish northern Sinai P...

2014
Mara Monica Tiberti Roberto Basili Paola Vannoli

Studies of past sea-level markers are commonly used to unveil the tectonic history and seismic behavior of subduction zones. We present new evidence on vertical motions of the Hellenic subduction zone as resulting from a suite of Late Pleistocene - Holocene shorelines in western Crete (Greece). Shoreline ages obtained by AMS radiocarbon dating of seashells, together with the reappraisal of shor...

2002
Sebastian Hainzl

The temporal clustering of swarm activity di ers signi cantly from characteristics of aftershock sequences accompanying mainshocks. This is often assumed to be caused by crustal structure complexities and uid migration. However, the underlying mechanism is not yet fully understood, especially, the processes and conditions which lead to the apparent di erences between the swarm patterns and typi...

Journal: :Astronomy and Astrophysics 2022

Aims. On Earth, plate tectonics play an integral role in driving the long-term carbon cycle; however, on tidally locked rocky exoplanets alternative tectonic mechanisms driven by tidal stress and heating could serve analogous way. Methods. We calculate rates to model likelihood of activity maintaining stable climates suitable for surface liquid water with radii ${R}_{p}$ $\le$ 1.23R$_\oplus$. R...

Extended abstract 1- INTRODUCTION In the regions with the active tectonics, the geometry and evolution of the river systems are sensitive to the surface uplift rate. The simply-folded belt of Zagros has been developed during the late Cenozoic era, and is still active as it is affected by the tectonic activity of the Arabian-Iranian shortening processes pertaining to plate boundary, since ...

Journal: :Journal of environmental biology 2012
Shpejtim Bulliqi Florim Isufi Ibrahim Ramadani Gani Gashi

In the diverse relief of north-east part of Kosova a relatively wide range occupies the relief modelled by the descent phenomenon, which is conditioned by morph-structural and climatic factors quite suitable for their development. The morphogenesis activity of descent phenomenon is conditioned by the types of rocks, tectonic process of this region and climatic conditions. These factors conditio...

2009
M. F. Hamers M. R. Drury

Introduction: Planar deformation features (PDFs) in quartz are diagnostic impact evidence. Using light microscopy, it is often impossible to distinguish between PDFs and tectonic deformation lamellae. [1] showed that PDFs can be imaged using a cathodoluminescence (CL) detector in a scanning electron microscope (SEM) and that in SEM-CL images PDFs can be distinguished from tectonic microfracture...

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