This paper describes the application of approximate methods to invert airborne magnetic data as well as helicopter-borne frequency domain electromagnetic data in order to retrieve a joint model of magnetic susceptibility and electrical resistivity. The study area located in Semnan province of Iran consists of an arc-shaped porphyry andesite covered by sedimentary units which may have potential ...

used to promote plate tectonics on Mars. The classification of “andesite” rocks at the Mars Pathfinder landing site is tenuous: this name (actually icelandite) was originally assigned on the basis of its major-element chemistry, noting that a sedimentary origin or weathering rind could not be ruled out without textural or mineralogical data. A re-analysis of a-proton X-ray spectrometer chemistr...

The research area is Bualemo Village, Kwandang District, North Gorontalo Regency. With coordinates 0˚ 47' 10" - 48' 40" Latitude and 122˚ 55' 0" 57' 5" East Longitude with an of about 10 km2. This study aims to determine the petrogenesis andesite rocks tectonic setting in area. method used this a mapping geological conditions site X-ray fluorescence (XRF) geochemical analysis chemical content r...

In the last five years, need for materials to build infrastructure in Kulon Progo Regency has increased with construction of an international airport. process, strong earth or rock are needed make buildings resistant earthquakes, one which is andesite rock. This study aims determine rocks' resources using a three-dimensional model based on value resistivity Kalirejo district Kokap Progo. The re...

The Muria-Peninsula is a Quaternary volcano located in the northern Sunda arc. Its activity was controlled under high potassic and very magma series resulting leucite-rich trachyte pyroxene-rich basaltic-andesite. It strato-type that composed of lava, breccia, tuff layers, some dikes have volcanic craters maars varying age composition. study area covering volcanoes Muria, Genuk, Patiayam. This ...