Scanning The Earth for Global DevelopementThis inaugural publication marks a significant milestone, ushering in a new era of enhanced communication, collaborative partnerships, and dynamic knowledge sharing within the vibrant Nigerian Geoscience community. This newsletter will serve as a crucial conduit, a vital medium for highlighting our collective achievements, showcasing ongoing projects of national importance, elucidating…
The Nigerian Geological Survey Agency partners National Agency for Science and Engineering Infrastructure (NASENI) on the development of a national policy to discourage export of Nigeria solid minerals and support domestication of processing of raw materials and local manufacturing. The former DG, NGSA Dr. Abdulrazaq A. Garba met with the Chief Executive Officer of NASENI,…
NGSA has acquired brand-new state-of-the-art Analytical equipment through the Mineral Support for Economic Diversification (MinDiver) Project to enhance its capacity in the provision of analytical services. The Z-300 Laser–induced breakdown Spectroscopy (LIBS) Analyzer is a handheld analyzer that measures every element in the periodic table of the elements from H to U. The Z-300 LIBS…
NGSA has recently acquired a state-of- the-art Analytical equipment (TQ-ICP-MS) through the MinDiver Project and is in the process of installing the equipment at its headquarters in Abuja. The Thermo Scientific iCAP TQ-ICP-MS is a high performance ICP-MS utilizing triple quadrupole technology for ultra trace quantification of elements in a variety of challenging matrices, it…
“The new 1:2 million scale Litho-structural map of Nigeria represents a significant update and approach to mapping and the understanding of Nigerian Geology. It also provides a foundation for understanding the tectonic evolution of Nigeria and its Mineral Systems. This map is one of the most notable updates from previous iterations of the National Map.…
SN CADRE GRADE LEVEL NO OF OFFICERS 1 DIRECTOR GL 17 3 2 DEPUTY DIRECTOR GL 16 2 3 ASSISTANT DIRECTOR GL 15 5 4 CHIEF TECHNICAL OFFICER, Carto GL 14 2 5 CHIEF ACCOUNTANT GL 14 3 6 CHIEF SCIENTIFIC OFFICER GL 14 2 7 ASSISTANT CHIEF ACCOUNTANT GL 13 4 8 ASSISTANT CHIEF…
The impediment to economic growth and the challenges of mono-economy has prompted the Federal Government of Nigeria (FGN) to generate interest and develop urgent policies on rejuvenation of the solid mineral industry in order to diversify the economy (Alabi et al., 2016). Solid minerals of different varieties are largely available in Nigeria, these cuts across…
Nigerian Geological Survey Agency (NGSA) is currently working on updating the geochronology of the Nigerian Basement Rocks with credible data on rock ages. The research aims to generate and fill in gaps on Geochronology Map of Nigerian Basement Rocks using Petrography, Geochronology and Isotope geochemistry techniques on selected rock samples. The various rock units of…
Executive SummaryThe collapse of buildings is a re-occurring disaster in several Nigerian cities 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 objectives and deliverables: Produce engineering geological maps which can be used to select…
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…
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 324: Oban, NW – Oban MassifPlease 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 – Oban Massif Please note that the sample downloaded data…
Sheet 319: Patani, NW – Niger DeltaPlease 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 – Niger Delta Please note that the sample downloaded data…
Sheet 303: Abakaliki, NW – Lower Benue TroughPlease 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 – Lower Benue Trough Please note that the sample…
Sheet 287: Nsukka, SE – Anambra 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: SE – Anambra Basin Please note that the sample downloaded data…
Sheet 266: Auchi, NW – Auchi AreaPlease 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 – Auchi Area Please note that the sample downloaded data…
Sheet 260: Abeokuta, NW – Dahomey 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 – Dahomey Basin Please note that the sample downloaded data…
Sheet 243: Ilesha, SW – Schist BeltPlease 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: SW – Schist Belt South West Please note that the sample…
Sheet 241: Oyo. NE – Basement ComplexPlease click the link to download any of Geosoft or ASCII provided belowTotal Magnetic Field Intensity Grid – Geosoft Format: Geosoft Grid Format Total Magnetic Field Intensity Grid – ASCII Format:: ASCII Text Format Scale: 1:50,000 Region: NE – Basement Complex, South West Please note that the sample downloaded…
Sheet 237: Kiri, NE – Mambila PlateauPlease click the link to download any of Geosoft or ASCII provided belowTotal Magnetic Field Intensity Grid – Geosoft Format: Geosoft Grid Format Total Magnetic Field Intensity Grid – ASCII Format:: ASCII Text Format Scale: 1:50,000 Region: NE – Mambila Plateau Please note that the sample downloaded data only…
Sheet 233: Ibi, NEPlease click the link to download any of Geosoft or ASCII provided belowTotal Magnetic Field Intensity Grid – Geosoft Format: Geosoft Grid Format Total Magnetic Field Intensity Grid – ASCII Format:: ASCII Text Format Scale: 1:50,000 Region: Ibi, NE Please note that the sample downloaded data only covers 1:50,000, i.e. a quadrant…
Sheet 218 Mapeu, NW – Mambila PlateauPlease 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 – Mambila Plateau Please note that the sample downloaded data…
Sheet 188: Jemaa. NE – Basement ComplexPlease 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 Scale: 1:50,000 Region: NE – Basement Complex, North Cenral Please note that…
Sheet 183: Egbako, NE – Bida 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 Scale: 1:50,000 Region: NE – Bida Basin Please note that the sample…
Sheet 174: Guyok, SE – Upper Benue TroughPlease 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 Scale: 1:50,000 Region: SE – Upper Benue Trough Please note that…
Sheet 155: Garkida, SW – Basement Complex, North EastPlease 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 Scale: 1:50,000 Region: SW – Basement Complex, North East Please…
Sheet 143: Alawa, NW -Schist Belt North CentralPlease 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 Scale: 1:50,000 Region: NW -Schist Belt North Central Please note that…
Sheet 126: Ririwai, NW – Jos Ring ComplexPlease 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 Scale: 1:50,000 Region: NE -Jos Ring Complex Please note that the…
Sheet 74: Donko, SW – Schist BeltPlease click the link to download any of Geosoft or ASCII provided below Total Magnetic Field Intensity Grid – Geosoft Format: Sheet 28 – Argungu TMI Geosoft Grid Total Magnetic Field Intensity Grid – ASCII Format:: Sheet 28 – Argungu TMI ASCII Format Interpretation: Interpretation of Sheet 28 (Argungu)…
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…
Abstract: The Upper Cretaceous Bida Basin of central Nigeria is sandwiched between the Precambrian schist belts of the Northern Nigerian Massif and the West African Craton. It extends from Kontangora on its north western margin to Dekina in the southeastern margin where it merges with the Benue Trough. It lies between Longitude 40 and 70…
Abstract: A regional gravity survey of Enugu State was carried out in order to produce Bouguer anomaly, Free-air anomaly and the Elevation map of the State for mineral exploration.Acquisition of gravity data as a tool for mineral exploration is useful because gravity differences or anomaly reflect lateral density variation in rocks extending to several kilometres…
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 derived…
Abstract: A detailed geophysical survey was carried out at Babbantsauni and Ledi.A regional geological reconnaissance investigation was carried out by McConnell (1949) and identified that Izom Lead/Zinc is the only known considerate Lead/Zinc deposit in Nigeria outside the area covered by cretaceous rocks. The lodes appear to trend in the same direction. He also identified…
The 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 and unsuitable…
A regional gravity survey of Ebonyi State was carried out in order to produce Bouguer anomaly, Free-air anomaly and the Elevation map of the State for mineral exploration.Acquisition of gravity data as a tool for mineral exploration is useful because gravity differences or anomaly reflect lateral density variation in rocks extending to several kilometres beneath…
A geophysical investigation of suspected base metal mineralization commenced at Riruwai, in Doguwa Local Government Area of Kano State. The Survey is a ground follow – up to the 1976 airborne magnetic survey with the objective of…
Groundwater is the main source of water for the people of Kaduna and its environs particularly in the rural areas. The purpose of this study is to assess the effects of waste dumps on the groundwater of Kaduna and its environs. The study area lies between…
