Structural And Lithological Reconnaissance Studies Of Part Of North Central Nigeria Using Landsat Enhanced Thematic Mapper Plus Etm And Shuttle Radar Topography Mission Srtm Satellite Imageries
Journal: International Journal of Scientific & Technology Research (Vol.5, No. 12)Publication Date: 2016-12-15
Authors : Apata Dolapo Moses; C.I. Unuevho; S.A. Oke; D. C. Okujagu;
Page : 133-139
Keywords : Structural; lithological; lineaments; drainage; rossete; Landsat; fault; Joints; folds; Remote Sensing; outcrop; radar; GIS; Basement complex; shist belt; reconnaissance and Nigeria;
Abstract
The Structural and Lithological studies of a part of North Central Nigeria which lies between latitudes 9o11l21.87N and 11o 3l37.29N and longitudes 7o 43l 53.01E and 6o 25l50.65 E covering an area of 170 km by 183 km was carried out using Landsat enhanced thematic mapper plusETM and shuttle radar topography mission satellite imageries SRTM. These imageries were visually and digitally interpreted using softwares such as ArcGis 9.2 Global mapper Multispec Ilwis 3.4 and Microsoft Paint. The zone is comprised of cellar basement rocks such as Granite Migmatite Gneiss Schist and Quartzite which show megascopic structures such as joints faults and folds. The drainage pattern within the area which include dendritic rectangular braided and annular were identified and their geologic implication was inferred. A Rock Outcrop map and a Lineament map of the study area was constructed. Rossete diagram made from the lineaments shows that the principal Strike direction in the study area is NNE-SSW which conforms to the general structural trend direction in the Nigerian Basement.
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