نتایج جستجو برای: lineament
تعداد نتایج: 376 فیلتر نتایج به سال:
Introduction: The Near-Earth Asteroid Rendezvous NEAR-Shoemaker spacecraft orbited the asteroid 433Eros for a year from 2000-2001. The NEAR Multi-Spectral Imager (MSI) collected tens of thousands of high resolution images and as a result Eros is the most comprehensively studied asteroid in the solar system. Previous mapping of lineaments on Eros has supported the suggestion of planes throughout...
Lineaments are vital geological features that play the role of a key indicator for ground water and petroleum searching. At present, there is no study that has utilised remote sensing satellite data to reconstruct three dimensional (3-D) lineament visualization in the Uinted Arab Emirates (UAE). This work aimed at reconstructing a (3-D) lineament visualization from multispectral remote sensing ...
Remotely sensed data has become an important source for geoscientists to understand the earth. With the rapidly growing availability of remotely sensed data and field surveys, there is an urgent demand to interpret and analyze these data. Remote sensing is a promising technology to support geohydrological studies, mainly because of the potential to observe areas and entire river basins rather t...
A lineament is a linear feature in a landscape which is an expression of an underlying geological structure such as a fault. Typically a lineament will comprise a fault-aligned valley, a series of fault or fold-aligned hills, a straight coastline or indeed a combination of these features. Fracture zones, shear zones and igneous intrusions such as dykes can also give rise to lineaments. Lineamen...
The NNW-trending Dena Fault, with 140 km length, cuts the major structures of Zagros Fold-Thrust Belt in Borujen region. The fault has divided the region in two zones, in which different structural, andmorphological features as well assedimentation and seismtectonic characteristics have developed. This study presents a new interpretation for the kinematics of Dena Fault based on field evidence....
Base-level maps (or “isobase maps”, as originally defined by Filosofov, 1960), express a relationship between valley order and topography. The base-level map can be seen as a “simplified” version of the original topographic surface, from which the “noise” of the low-order stream erosion was removed. This method is able to identify areas with possible tectonic influence even within lithologicall...
In this work, a methodological framework employing image processing techniques has been developed and applied on a LANDSATETM+ image of Alevrada, Greece. Pre-processing of the satellite image was followed by edge detection performed on band 5 of the ETM+ image in order to obtain proper input data to the lineament identification system. NDVI, PCA and ISODATA unsupervised classification were appl...
This article shows the tectonic influence of Parnaíba River Lineament located in Basin through a paleontological finding Cretaceous age close to Permian sequence. The studied region is northeast State Maranhão, near town Duque Bacelar, vicinity lineament. A normal fault NNE-SSW direction was responsible for lowering Itapecuru Formation strata (Cretaceous) and relative upward movement Pedra de F...
The Samoan volcanic lineament has many features that are consistent with a plume-driven hotspot model, including the currently active submarine volcano Vailulu’u that anchors the eastern extremity. Proximity to the northern end of the Tonga trench, and the presence of voluminous young volcanism on what should be the oldest (~5 my) western island (Savai’i) has induced controversy regarding a sim...
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