Distal skarns form by the metasomatic reactions of a host rock induced far-traveled hydrothermal fluids. Physical and structural characteristics geochemical patterns distal PbZn skarn bodies were studied at Petrovitsa deposit in southern Bulgaria. Skarn formed from interaction fluids with reactive lithologies (marble gneiss). These transported along sub-vertical feeder structures lithological c...

The soil resources of Sierra Leone remain an integral part sustainable agricultural development but knowledge the suitability soils and their management requirements for a variety land uses is still lacking to greater extent. In this view, detailed survey three chiefdoms in Northern was undertaken evaluate genesis interpret soil-landscape properties relationships using toposequence free style a...

Abstract. The crust within collisional orogens is very heterogeneous both in composition and grade of deformation, leading to highly variable physical properties at small scales. This causes difficulties for seismic investigations tectonic structures depth since the diverse partially strong upper crustal anisotropy might overprint signal deeper anisotropic mantle. In this study, we characterize...

It is well known that oriented iron and titanium oxide inclusions occur in pyroxenes and plagioclase of anorthosites and granulites, and they are attributed to exsolution at subsolidus conditions. The oxides occur as needles or platelets. In this study, we determine the morphology of oxide needles as well as their orientation in plagioclase (An 30–35) in anorthosite gneiss from the Adirondack m...

The extensional collapse of the Scandinavian Caledonides resulted in rapid tectonic denudation of the orogen, exhumation of highand ultra-high-pressure metamorphic rocks and provided a structural template for the formation of Devonian supra-detachment sedimentary basins. The geometry and intensity of the extensional deformation show considerable variation vertically in the crustal section as we...

Abstract. Permeability of crystalline rocks depends on parameters such as density and interconnectivity fractures pores. While in pristine porosity is usually considered to be low, low-grade solution phenomena the formation episyenites occur occasionally may cause a local dramatic increase permeability. These can effective otherwise unaltered result preferential removal certain mineral phases, ...