Abstract: The Toro symmetrical complex is localized within the Precambrian Basement Complex of the north central Nigeria. The complex is composed of three granites types surrounding an orthoenstantite dioritic core. Amphiboles samples from the diorite have higher Mg/ (Mg+Fe) values and are richer in Si, Ti and poorer in Al and Na+K than those in the granites. The calculated P-T results show that diorite crystallized at pressures between 4.7 kbar and 5.4 kbar and temperatures of 796°C to 821°C. The hornblende-biotite granite crystallized at pressures between 5.8 kbar to 8.5 kbar and temperatures between 633°C to 771°C. The average pressure (5.1 kbar ) for dioritic amphibole corresponds approximately to 19 km in depth of emplacement for the diorite and 24km in depth of emplacement for both hornblende-biotite (average pressure = 6.5 kbar) and porphyritic hornblende-biotite granites (average pressure = 6.4 kbar). Nature of dioritic amphibole evolution, coupled with its P-T suggests that the Toro diorite may have originated earlier with non consanguineous magma source different from the granites, which corresponds to a model of origin involving melting in the lower crust under granulite facies conditions.

Abstract: On 20-th September of 2002 the tragic event occurred, which took aback the entire population of the Republic of North Ossetia-Alania – sudden collapse of the glacier Kolka. Analysis of available instrumental data shows the correspondence of the basic stages, obtained on the different stations of the local network of the seismological observations of RNO-A. For the purpose of the more detailed investigation of the glacier Kolka collapse process data of the seismic stations given by Georgian collegues was investigated.

Abstract: GIS is now being used by Civil Engineers in every application domain and throughout every aspect of the enterprise, be it on the desktop, in the field, or in collaboration with others. Digital photogrammetry is most commonly associated with the production of topographic mapping generally from conventional aerial stereo photography. As for the GIS Photogrammetry can be seen as a system of hardware, software, and procedures designed to support the capture, management, manipulation, analysis, modeling, and display of spatially referenced data for solving complex planning and management problems. Photogrammetry-supported GIS is concerned with the accuracy of the data used in GIS offering ways of direct visualization and easier interpretation in a real-world scale. Matching the mosaic images usually implies that the radiometric intensity data from one image representing a particular feature must be matched to the intensity data from the second image, representing the same feature. After the production of mosaic for the study area, stereo pair of the final form the ArcView software was used to prepare a digital map with multi layers. The layers, which were 12 layers formed: main roads layer, Pedestrian roads layer, parks layer, Gardens layer, Service buildings layer, college of engineering layer, college of science layer, college of politics layer, architecture department layer, engineering labs layer, collection of colleges buildings layer and lectures halls layer. After the completion of the drawing layers have been producing digital map in its final form.

Abstract: Remote sensing data can be used as a reconnaissance and features identification tool for identifying surface and sub-surface water potential zone. The present study has been carried out to evaluate the potential zones for groundwater targeting using an integrated remote sensing data, Survey of India (SOI) topographical sheets and field verification. Four features (geomorphologic units, slope, drainage density and lineaments density) that influence groundwater occurrence were extracted and integrated to evaluate the hydrogeomorphological characteristics of the study area and demarcate the groundwater potential zones. Thematic maps of the extracted features were prepared and integrated through geography information system (GIS) environment. The groundwater potential map was prepared by overlaying the thematic layers. Weightage percentages were assigned to the different parameters according to their relative importance to groundwater potentiality. The integrated map of the area shows different zones of groundwater prospects, viz. very high (0.77% of the area), high (35.57% of the area), moderate (54.53% of the area), while poor and very poor are made up of 9.13% of the area.

Abstract: The present study reveals that, to assess the Land use Land cover changes using remote sensing and GIS technology. The Land use/Land cover map prepared based on NRSC classification using ERDAS IMAGINE software using of supervised classification. Urbanization and development are the most crucial causes for land changes at the study area. The current scenario shows the socio-economic development but its affect the water resources, mineral wealth and ecosystems. The study finding shows that the maximum changes were noticed in Built-up-Land at central part of study area and near to down ship area. Other changes also were noticed in the study area and brought this spatial distribution.