aeromagnetic survey of nigeria

Interpretation of Aeromagnetic Anomalies over parts of ...

Fig. 1: Geologic map of Nigeria showing the study area [1 1] DATA AND METHODOLOGY Four aeromagnetic maps (Sheets 111, 112, 133 and 134) were acquired, assembled and interpreted. These maps were obtained as part of the nationwide aeromagnetic survey sponsored by Geological survey of Nigeria. The data

One-dimensional spectral analysis of aeromagnetic ...

Mar 01, 1997· The aeromagnetic data were obtained as part of a nationwide aeromagnetic survey sponsored by the Geological Survey Department of Nigeria. The survey was carried out along a series of NW-SE and NE-SW profiles with a spacing of 2 km and an average flight elevation of about 500 m above the surface.

Aeromagnetic mapping of the basement architecture of the ...

The nationwide mandate of acquisition of high resolution airborne geophysical survey aimed at assisting and promoting mineral exploration in Nigeria, aeromagnetic data was acquired between 2003 and 2009 by Fugro Airborne Survey Limited for the Nigerian Geological Survey Agency (NGSA) (MMSD, 2010).

Interpretation of High Resolution Aeromagnetic Data for ...

Aeromagnetic survey is a geophysical method that has been applied for modern geological mapping. Moreover, its operating principle is similar to that of the magnetic survey but covers larger areas of the ... The Nigerian region of Chad basin is known as Bornu Basin which constitutes about 10% of …

INTERPRETATION OF HIGH RESOLUTION AEROMAGNETIC …

Abstract: Aeromagnetic data analysis and interpretation of Udi sheet and that of Nsukka sheet in Enugu State, Anambra Basin was carried out. The data which were obtained by Nigeria Geological Survey Agency (NGSA) were interpreted qualitatively and quantitatively.Source Parameter Imaging and Forward and Inverse Modeling methods

Geological Maps – Nigeria Geological Survey Agency

+234 818 335 9216 | +234 703 062 9449 31 Shettima A. Munguno Crescent, Utako, Abuja Mon. - Fri. 10:00 - 15:00

ANALYSIS OF HIGH RESOLUTION AEROMAGNETIC DATA OF …

This work is aimed to determine the depth to basement of some magnetic sources in the study area. Four aeromagnetic sheets were acquired from the Nigerian Geological Survey Agency which includes (Bajoga, 131, Gulani, 132, Gombe, 152 and Wuyo, 153). The study area covers an estimated area of about 12100km2 between latitude 90N-110N and longitude 110E-130E.

Analysis of Geothermal Heat Flow Potentiality of Upper ...

Potentiality of Upper Bida Basin Nigeria Using Aeromagnetic Data Abstract ... the aeromagnetic data were gotten from Nigeria Geological Survey Agency (NGSA). The sheets were taken as basic data for Figure 1 Geological map of Nigeria (adapted from Mc Donald et al., Olasehinde).

Interpretation of Aeromagnetic Survey and Satellite ...

Interpretation of Aeromagnetic Survey and Satellite Imagery of Jos-Plateau, North-Central Nigeria H.O. Nwankwoala, S.A. Ugwu and E.A. Agada Department of Geology, Faculty of Science, University of Port Harcourt, Nigeria Abstract: The aim of this study is to demonstrate the geological application of the Nigeria Sat-1 image with

Depth Estimation from Aeromagnetic Data of Kam

A digitized aeromagnetic data of Kam in part of upper Benue basin, as obtained by the Geological Survey of Nigeria Agency, Airborne geophysical series (1974) on a scale 0f 1:1000, 000 covering the study area were employed to determine the locations and depths using the ASA and Log Power Spectrum (LPS). 2.

Source Depth Determination from Aeromagnetic Da ta of ...

Aeromagnetic survey of Ilesha area was conducted by Nigeria Geological Survey Agency. This Survey was carried out along a set of parallel flight lines at 500 m spacing and oriented in a NW - SE direction. The data were recorded at a sampling interval of 100 m. The tie lines are spaced at 2 km directed to NE - …

AEROMAGNETIC SURVEY SPECIFICATIONS Introduction

AEROMAGNETIC SURVEY SPECIFICATIONS . Introduction . Below reflects some of the specifications used in carrying out our aeromagnetic survey with a nigeria index map showing the areas that have been covered; MAGNETIC SURVEY SPECIFICATIONS . Magnetic Data Recording Interval 0.1 seconds or less (˷7m) Sensor Mean Terrain Clearance 80 meter ...

Analysis of Aeromagnetic Data across Kebbi State, Nigeria

of aeromagnetic maps. Though the study area (Kebbi) is covered by about sixteen sheets of aeromagnetic maps, out of which twelve was used for the present study. Fig. 1 is the geological map of Nigeria. The Sokoto Basin of northwestern Nigeria consists predominantly of a gentle undulating plain, underlain by metamorphic rocks (Sheu et al., 2004).

INTERPRETATION OF AEROMAGNETIC DATA FROM ILESHA

carry out a particular survey. For the purpose of this study, we shall employ magnetic method using aeromagnetic data to investigate the properties of the subsurface in Ilesha, South West Nigeria. Aeromagnetic geophysical method has been widely used since its inception.

Spectral Analysis of Higher Resolution Aeromagnetic Data ...

Keyword: Aeromagnetic data, depths to basement, Spectral Analysis, deeper and shallow sources 1. INTRODUCTION The city is situated in the transitional zone between the forest and savanna region of Nigeria. The geology of Kwara consists of Pre-Cambrian basement complex with an elevation that varies from 273m to 333m in the West

(PDF) Interpretation of High Resolution Aeromagnetic Data ...

The high-resolution aeromagnetic data of parts of the lower and middle Benue Trough (Nigeria) has been analyzed to estimate the magnetic basement depths using the scaling spectral method.

Estimation of sedimentary thickness using spectral ...

Two digitized aeromagnetic maps (sheets 270 and 289) covering Otukpo and Ejekwe areas were acquired from the Nigeria Geological Survey Agency (NGSA) which undertook the aeromagnetic survey of substantial part of Nigeria between 1974 and 2008. The high resolution and most recent aeromagnetic maps

Aeromagnetic Anomalies, Limited Ground Magnetic and ...

Keywords: Aeromagnetic anomalies, Bouguer anomaly, magnetic susceptibility, Basement complex rocks, gravity measurements 1. Introduction The aeromagnetic anomalies, ground magnetic and gravity anomaly investigation was conducted based on Nigeria Geological Survey Sheet 247 (Lokoja). The area is characteristic of Lower Benue Trough structures ...

Interpretation of high resolution aeromagnetic data of ...

Jan 30, 2020· High-resolution aeromagnetic data (covering Kaoje and Bani; sheets 94 and 95 of magnetic index map of Nigeria) were obtained from Nigeria Geological Survey Agency (NGSA, 2006. NGSA Goelogical and Mineral Resources Map of Kwara State, Nigeria. Nigeria Geological Survey Agency, Abuja 2006.

Study of Curie point depth and heat flow from spectral ...

Jul 08, 2020· The aeromagnetic data set used in this study was obtained from the Nigerian Geological Survey Agency (NGSA). Fugro Airborne Surveys acquired the aeromagnetic data by means of a 3× Scintrex CS2 Cesium vapour magnetometer in 2009. The airborne magnetic survey was flown at 80 m elevation along flight lines spaced 500 m apart.

Subsurface Structural Mapping over Koton Karifi and ...

Nigerian Geological Survey Agency, Abuja; assembled and interpreted. The data set is from the new high-resolution airborne survey coverage in Nigeria carried out by Fugro Airborne Surveys between 2006 and 2009. The aeromagnetic surveys were flown along a series of NW-SE flight lines, spaced

Interpretation of Aeromagnetic Data from Upper Benue Basin ...

The primary data used in this analysis is the aeromagnetic maps from part of upper Benue basin. Six aeromagnetic maps published by the Geological Survey of Nigeria Agency, Airborne geophysical series (1974) on a scale 0f 1:1000, 000 covering the study area were used. The maps used were from sheet numbers 236, 237,

Nigeria Geological Survey Agency – NGSA

The Nigerian Geological Survey Agency is a parastatal under the Ministry of Mines and Steel Development. The Agency has the statutory role of providing relevant and up-to-date geosciences information necessary for economic development of Nigeria. This is …

Aeromagnetic Interpretation over Maiduguri and Environs of ...

National Geological Survey Agency, Abuja. The sheets are 91 (Mafa-Bama), sheet 90 (Maiduguri), sheet 68 (Marte) and sheet 67 (Masu). These sheets were assembled and analyzed. The aeromagnetic data were obtained as part of the nationwide aeromagnetic survey sponsored by Geological survey of Nigeria. The digital

Evaluation of Aeromagnetic Data of Ilesha Area of Oyo ...

This paper presents the analysis and interpretation of an aeromagnetic data of Ilesha area, (Sheet 243) sourced from Nigeria Geological Survey Agency. The area is located between 7.5oN and 8.0oN of latitude and longitude 4.5oE to 5.0oE. Two methods: Analytic Signal Method (ASM) and Local wavenumber (LWN) were used. These methods were used to process and analyse the data so as to …

Integrated aeromagnetic and aeroradiometric data for ...

Locating zones of possible mineralization potentials in part of southwestern Nigeria has been performed in this work by mapping lithology, structures, and hydrothermal alteration regions from airborne magnetic and radiometric data. Some enhancement techniques such as first vertical derivative, analytic signal, power spectrum, and center for exploration targeting grid and porphyry were used for ...

Aeromagnetic Data Interpretation for Geostructural ...

The digitized total aeromagnetic data obtained from the Nigerian Geological Survey Agency NGSA on sheet 261 as part of the Nigeria wide geological survey data carried out in 2009 has been used. The map was presented on Oasis Montaj Geosoft and the data was extracted using the Excel package. A total of fifty-six gridded profiles were

Interpretation of Aeromagnetic Survey and Satellite ...

Nwankwoala, H.O et al. "Interpretation of Aeromagnetic Survey and Satellite Imagery of Jos-Plateau, North-Central Nigeria" 2 International Journal of Emerging Engineering Research and Technology V5 I3 March 2017 of the study area, involves image interpretation, lineaments extraction and analyses.

Qualitative and Quantitative Interpretation of Parts of ...

Jul 02, 2017· Abstract. Aeromagnetic data acquired by the Nigerian Geological Survey Agency and which covers about 3025 square kilometer of some parts of onshore Niger Delta, Nigeria, was processed and interpreted with the purpose of determining the depth to basement of the study area, delineating areas suitable for hydrocarbon and mineral accumulation, establishing the basement topography, …

DEPTH ANALYSIS AND ITS IMPLICATIONS ON …

The aeromagnetic survey over the Lower Benue Trough covering the study area (Ugep) was part of the nationwide aeromagnetic survey of Nigeria which was completed 1975. The airborne magnetic data used for this work was supplied by the Geological Survey of Nigeria.

(PDF) Geophysical prospecting for iron ore deposit around ...

Mar 03, 2016· An aeromagnetic survey for iron or e . was carried out in some parts of Nigeria by the . Geological survey of Nigeria in 1963. This led . to delineation of notable occurrence of Banded .

Integrating Landsat-ETM and Aeromagnetic Data for …

high resolution airborne aeromagnetic data ob-tained from the Geological Survey of Nigeria (GSAN) in 2009 and the seven-band Landsat ETM imagery acquired on 29th March 2013. They are both extensively used as reconnaissance tools in oil and mineral exploration. Similarly, both have surf-icial discontinuities recognized by the common

Interpretation of Aeromagnetic Data Over Birnin-Kebbi And ...

Four aeromagnetic maps covering the entire study area were obtained from Nigerian Geological Survey Agency (NGSA) as part of the nationwide survey between 1974 to 1976. The aeromagnetic survey was flown at an altitude of 0.15 km above the terrain along N-S …

Analysis of aeromagnetic data: Application to Early-Late ...

Jul 01, 2020· The magnetic data used cover the North-West segment of the aeromagnetic Sheet 303 and was made available by the Nigerian Geological Survey Agency (NGSA) (Aeromagnetic Data by Nigerian Geological Survey Agency, 2020). The data form part of the nationwide high-resolution aeromagnetic data acquired on a NW-SE trend by Fugro Airborne Surveys (a ...