Champeh salt dome is located 30 km northwest of Bandar Lengeh, east Hormozgan province, Iran. Iron ores and several alterations can be found in this dome, which consists evaporitic volcanic sequences the Hormoz series Pabdeh-Jahrom, Asmari, Gachsaran, Mishan formations. The existing geological maps do not provide comprehensive details mineralization, alteration, various lithologies dome. Theref...

It is well known that oxidation of ferrous to ferric iron by water can generate molecular hydrogen (H2), with the most widely recognized natural manifestation being serpentinization olivine and pyroxene in ultramafic rocks. A less yet extremely important source H2 are peralkaline igneous intrusions, where spectacular enrichments documented from fluid inclusions as free gas migrating through fra...

Introduction: Impact-generated hydrothermal systems may have caused widespread alteration of the crust on early Mars. We previously explored the range of alteration products using several Martian meteorites as crustal proxies: LEW88516 [1-3], Dhofar 378, Chassigny [4], and Nakhla [5]. Overall, the dominating alteration phases are oxides, hydroxides, clay minerals, and other hydrous silicates. O...

Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) covers a wide spectral region with 14 bands from visible to the thermal infrared. The different band ranges can be capable of discriminating and mapping surface rocks and predicting pathfinder minerals (i.e. alunite, kaolinite etc.) on alteration assemblages of potential targets. The aim of this study is to compare two diffe...

Space-borne hyperspectral imagery data are known for their high spectral resolution in a number of narrow wavelength intervals, which makes these useful mineral mapping. However, the available free-of-charge scenes cover only and scattered geographic areas. In contrast, multispectral have nearly complete spatial coverage wider intervals. The low data, however, limits efficiency mapping small ge...