Executive SummaryBuilding collapses have become a recurring incidence in many parts of Nigeria.In view of contributing to the forestalling of future occurrences, the Nigerian Geological Survey Agency (NGSA) as part of its statutory role had embarked on a systematic Geotechnical mapping of the major cities in Nigeria. This is aimed at providing relevant geotechnical information…
Executive SummaryThe geotechnical/ engineering geological mapping of Sokoto and Its environs is a positive step of the Nigerian Geological Survey Agency to attempt to address the present problems of foundation and other structural failures rampant in the burgeoning Nigerian cities. It will also generate data bank of the geotechnical properties of soils in all the…
Executive SummaryThe phenomenal rise in the number of reported cases of collapsed buildings in the country with its attendant loss in revenue and human lives has been a cause for concern to well-meaning Nigerians. As part of its constituted mandate, the Nigerian Geological Survey Agency in 2006 commenced a systematic engineering geological mapping of selected…
Executive SummaryThe geotechnical survey of Enugu metropolis and its environs was carried out. The area covers approximately 625km2 and includes parts of Udi, Enugu metropolis, Oliemba, Emene and Ukana. The topography of the area is rugged with the Enugu Escarpment as a prominent feature. East of the Escarpment are Rivers Ekulu, Asata, Iyaka, Nyaba and…
Executive SummaryThe project area is bounded by latitudes 110 41’ 30” to 120 00’ 00”N and longitudes 130 00’ 00” to 130 44”E and covers an area of 1,118 Km2. The area covers three local governments; Maiduguri, Jere and Konduga local government areas. Maiduguri town, the capital of Borno State is at the centre. The…
Executive SummaryThe collapse of buildings and flooding are re-occurring disasters in several Nigerian cities, including Kaduna, for many years, resulting in the loss of lives and properties. This explains the rationale for this project undertaken by the Nigerian Geological Survey Agency with the following major deliverables and objectives: Production of Geotechnical maps showing: Areas suitable…
Executive SummaryThe geotechnical and engineering geological investigation of Owerri and its environs had been studied. The project covered an area of 625km2 encompasses Owerri and environs. The focus of the research was to investigate the subsoil in order to determine its engineering properties, its suitability as foundation for industrial and residential houses. It was also…
Sheet 66: Gubio, NW – Chad BasinPlease click the link to download any of Geosoft or ASCII provided below Total Magnetic Field Intensity Grid – Geosoft Format: Geosoft Grid Format Total Magnetic Field Intensity Grid – ASCII Format:: ASCII Text Format Scale: 1:50,000 Region: NW – Chad Basin Please note that the sample downloaded data…
Sheet 28: Argungu, NE – Sokoto BasinPlease click the link to download any of Geosoft or ASCII provided below Total Magnetic Field Intensity Grid – Geosoft Format: Geosoft Grid Format Total Magnetic Field Intensity Grid – ASCII Format:: ASCII Text Format Interpretation: Interpretation Data: Airborne Geophysical Data Scale: 1:50,000 Region: NE – Sokoto Basin Please…
Abstract: The geotechnical mapping of Enugu and environs was carried out and relevant field tests were performed in the process. The soils in the project area are derived from four dominant geologic formations- Ajali, Awgu( Agbani Sandstone),and Mamu Formations and the Enugu Shales. Available data from field and laboratory analyses have indicated that the soils…
