aster image processing minerals
Application of ASTER Satellite Imagery to Delineate …
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) optical and thermal satellite sensor is one of the remote sensing instruments that has been used …
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Multispectral mapping of evaporite minerals using ASTER …
The aim of this study is to map the gypsum minerals in the Aksaray and Niğde provinces with the use of ASTER_L1T images by comparing different methods and the differences are discussed testing the accuracy of results. Download : Download high-res image (1MB) Download : Download full-size image; Fig. 1. a) Major tectonic elements of …
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(PDF) Assessment of image processing techniques and ASTER …
Ozyavas [44] applied standard image processing techniques to ASTER data over the study area around the Salt Lake Fault, Turkey. They were able to map gypsum and carbonate rocks, primarily based on ...
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Characterization of ASTER Data for Mineral Exploration
Emphasis is placed on deriving mineral indicators such as identification of areas of altered rocks, which usually associated with ore deposition such as gold and cooper. Key words: ASTER, mineral exploration, alteration zones, image processing technique, semi- …
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Integration of ASTER and geophysical data for delineating
Dungash-Atud area, located in the southeastern Egyptian Desert, is intensively distinguished by gold mineralization and associated mineral deposits. This area was studied using the integrated analysis and interpretation of ASTER, aeromagnetic, and gamma-ray spectrometric data. For ASTER, different approaches of image processing, …
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Detection of iron-bearing mineral assemblages in …
Our results showed that image processing of the ASTER satellite data has the potential to delineate ferric, ferrous, and lateritic mineral assemblages in the iron-bearing soils with minimal requirement of ground truth verification. This research work aided in increasing trust in the use of space-based data for mineral prospecting.
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Integration of ASTER and geophysical data for delineating
ASTER image processing. Image processing of different approaches such as false color composite (FCC), ASTER-TIR indices, principal component analysis …
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ASTER capability in mapping of mineral resources of arid …
This study reviews the capability of ASTER to map mineral resources of the arid region. • It describes spectral absorption characters of minerals. • It discusses suitable ASTER spectral bands and image processing methods to map mineral resources. • It reviews scientific literature published on mapping of the mineral resources of Oman.
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Remote Sensing | Free Full-Text | Satellite ASTER Mineral Mapping the
The mineral information targeted using ASTER's moderate spectral-resolution capabilities (Figure 3h) included: (i) the presence of gypsum; (ii) the proportion of quartz sand versus clay (called sand-clay index or SI 3); (iii) the content of silicate minerals such as kaolinite and white mica (called 2200D); (iv) the proportion of kaolinite ...
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The reconnaissance of mineral resources through aster data …
Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data covering the Jiafushaersu area in Xinjiang were used for mapping lithology and hydrothermal alteration. The study area situates at a potential mineralization zone in relation to small hypabyssal granodiorite or quartz monzonite intrusions along the margin of …
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Minerals | Free Full-Text | ASTER-Based Remote …
Iron oxides, clay minerals, sulfates, and carbonates are some rocks and minerals that can be identified and separated by ASTER data . Abdeen used ASTER band ratios of 4/7, 4/1, 2/3 × 4/3 and 4/7, 3/4, 2/1 in …
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(PDF) Mineral mapping with ASTER | Simon …
Abstract Rapid advances in remote sensing technology and digital image processing techniques created the best opportunities for detailed mapping and understanding of the earth's surface with perspective of mineral …
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Towards better delineation of hydrothermal alterations via
To confirm the existence of alteration minerals and for more specifications, the CEM algorithm was applied to the potential ASTER SWIR bands 12,71,72,73 to verify and specify the dominant hydroxyl ...
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Using ASTER Image Processing for Hydrothermal …
Also for recording hydroxyl-bearing minerals in study area by Crosta method comprising bands 1, 3, 4 and 6 have been used. Table 2 shows the results of principal Component Analysis for
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Mapping hydrothermal alteration zones using ASTER
ASTER image processing techniques. The processing techniques include principle component analysis, Crosta principal Component (Crosta PC), Constrained Energy Minimization (CEM) technique. ... This technique enabled us to identify the distribution of nine alteration minerals from the ASTER VNIR-SWIR reflectance data. These minerals …
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Mapping hydrothermal alteration zone through aster data in …
Before applying image processing techniques on ASTER data, there are certain pre-processing steps, which are necessary to perform to achieve better results. ASTER data acquired all the 14 spectral bands at three different spatial resolutions in different wavelength regions (Table 3). Therefore, to create a single image with uniform …
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Targeting key alteration minerals in epithermal …
using a simple, yet robust, image processing technique to produce mineral abundance maps from ASTER bands, is demonstrated. ... ASTER is a joint development between the United States and Japan, with a
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MINERAL EXPLORATION AND ALTERATION ZONE MAPPING …
Then, to identify the alteration parts related to the gold deposits, different satellite image processing methods of ETM + and ASTER were used. These methods include making a false-color composite, band ratio, Selective Principal Components Analysis (SPCA), Spectral Angle Mapper (SAM) method, Spectral Information Divergence Classification …
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(PDF) Mineral Exploration Using ASTER Images
Abstract Rapid advances in remote sensing technology and digital image processing techniques created the best opportunities for detailed mapping and understanding of the earth's surface with perspective of mineral exploration. The advanced spaceborne thermal emission and reflection radiometer (ASTER) is one of the recent generations of medium ...
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ASTER, ALI and Hyperion sensors data for lithological …
This paper provides a review of the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), Advanced Land Imager (ALI), and Hyperion data and applications of the data as a tool for ore minerals exploration, lithological and structural mapping. Spectral information extraction from ASTER, ALI, and Hyperion data has great …
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Integration of ASTER and airborne geophysical data for mineral …
Spectral identification of potential areas of hydrothermal alteration minerals is a common application of ASTER to mineral exploration. The extraction of spectral information related to this type of target from Landsat Thematic Mapper (TM) imagery has been achieved through the use of image processing techniques such as band ratio and …
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Minerals identification and mapping using ASTER …
PDF | Advanced spaceborn thermal emission and reflection radiometer (ASTER) has fine spectral bands in shortwave infrared …
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Multispectral mapping of evaporite minerals using ASTER …
In this study, gypsum minerals in the Aksaray and Niğde provinces (central Turkey), was mapped with ASTER imagery using band rationing, decorrelation stretching …
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Using ASTER image processing for hydrothermal alteration …
Many ore deposits are first detected in the field by the recognition of hydrothermally altered host rocks, and are typically zonally distributed. Ore deposits are often produced by fluid flow processes that alter the mineralogy and chemistry of the country rock. One of the main reason for extention using a multi-spectral and hyperspectral …
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Spatial Identification of Key Alteration Minerals Using ASTER …
Image processing methods are based on transformation of data into image display which result in either increasing contrast between the background and interesting targets or conveying information about the composition of certain pixels in the image (Kujjo 2010). Techniques applied in this study to map clay and quartz minerals are band …
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Using ASTER image processing for hydrothermal alteration …
The Advanced Spaceborne Thermal Emission and Reflection Radimeter (ASTER) sensor measures reflected radiation in VNIR, SWIR and TIR electromagnetic energies. It is cheap and easily available. The alteration minerals in Siyahrud area have been successfully investigated in the field and have been successfully detected by …
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Application of Spectral Analysis and Image Processing
Spectra of the alteration minerals were resampled to the ASTER and Landsat-8 OLI band range ... Finally, the findings of this study demonstrated that Landsat-8 OLI and ASTER data, as well as image processing techniques, can help with mineral exploration studies in areas with high altitudes (up to 2610 m), steep slopes, and rugged …
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The application of day and night time ASTER satellite …
This study aimed to investigate the feasibility of mapping both mineral composition and thermal anomalies associated with geothermal activity within the East Africa Rift using day and night time ASTER imagery (blue dashed box, Fig. 3) (Simiyu and Keller, 2000).In particular, the focus was to investigate the ability of ASTERs' VNIR-SWIR …
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The application of day and night time ASTER satellite …
Volume 85, March 2020, 101991. The application of day and night time ASTER satellite imagery for geothermal and mineral mapping in East Africa. Author links open overlay …
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ASTER Users Handbook
ASTER is the "zoom lens" for the other instruments. Terra is in a sun-synchronous orbit, 30 minutes behind Landsat ETM+; it crosses the equator at about 10:30 am local solar time. ASTER can acquire data over the entire globe with …
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