dehbid mylonite nappes associated with the tutak gneiss dome as the zagros hinterland involved-basement window in the zagros orogenic belt has significant components of dextral sense of shear along the mylonite nappes and are related to the high proportion of simple shear relative to pure shear deformation. kinematic vorticity analysis (wk) was made in order to determination of relative amounts...

Abstract The highly irregular and localized distribution of tungsten deposits worldwide constitutes a supply challenge for basic industries such as steel carbides. Over Earth's history, has preferentially accumulated at paleocontinental margins formed during the breakup supercontinents. Later crustal thickening these paleogeographic regions magmas they produce are associated with large district...

The Cenozoic sedimentary cover from the Ghomaride Complex (Internal Rif Belt) has been studied in Tetuan area (N Morocco) where a suite of successions shallow-marine to deep-marine environments crops out. For that purpose stratigraphic relations and petrological geochemical signatures have analyzed. Sandstone suites overall succession are heterogeneous testify multi-source area, response accret...

Metamorphism associated with orogenesis provides a mineral record that may be inverted to yield ambient apparent thermal gradients. On modern Earth, tectonic settings with lower thermal gradients are characteristic of subduction zones whereas those with higher thermal gradients are characteristic of backarcs and orogenic hinterlands. The duality of thermal environments reflects the asymmetry of...

Prospectivity modelling has been completed over the Lachlan Fold Belt, New South Wales, Australia, using the GIS based weights of evidence modelling technique to target porphyry Cu-Au, associated skarn Cu-Au, orogenic Au and VMS Au mineralisation. The Lachlan Fold Belt is a 700 km wide belt of Paleozoic accretionary terrains, stretching from Queensland to Tasmania. Porphyry and skarn mineralisa...