Journal of Geography, Environment and Earth Science International 2020-07-10T02:45:23+00:00 Journal of Geography, Environment and Earth Science Internat Open Journal Systems <p style="text-align: justify;"><strong>Journal of Geography, Environment and Earth Science International (ISSN: 2454-7352)</strong> aims to publish high quality papers (<a href="/index.php/JGEESI/general-guideline-for-authors">Click here for Types of paper</a>) in all areas of ‘Geography, Environment and Earth Sciences’. This journal facilitates the research and wishes to publish papers as long as they are technically correct, scientifically motivated. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer reviewed, open access INTERNATIONAL journal.</p> Regressive Shoreface Depositional System of the Cretaceous Yolde Formation of the Gongola Sub-Basin Northern Benue trough N. E. Nigeria 2020-07-09T14:18:30+00:00 B. Shettima M. Bukar B. Shettima B. Shettima H. I. kamale I. A. Yerima A. O. Umaru <p>The characterization of lithofacies of the Yolde Formation at Briyel town in the Gongola Sub-basin of the Northern Benue Trough indicated coarsening upwards cycles composed transitional succession of six lithofacies that comprises of trough cross-beds, planar cross-beds, massive beds, ripple laminations, parallel laminations and mudstone. This coarsening and thickening upward symmetry is defined by a densely bioturbated mud dominated lower part transitionally grading into heterolithic interval composed thinly bedded sandstone and mudstones both of which developed below fair-weather wave base. This is capped by a succession of moderately bioturbated trough-planar crossbedded sandstone with poly-directional paleocurrent system. These assemblages reflect shoreface deposits and devoid of hummocky cross-stratification therein may account for a moderate wave oceanographic system. Evolution of this setting in the Gongola Sub-basin is indicative of a scenario of a broaden coastline in the coastal palaeogeography of the Yolde Formation typically suppressing due to frictional damping.</p> 2020-07-04T00:00:00+00:00 ##submission.copyrightStatement## Application of Aeromagnetic Data to Assess the Structures and Solid Mineral Potentials in Part of North Central Nigeria 2020-07-10T02:45:23+00:00 M. D. Tawey D. U. Alhassan A. A. Adetona K. A. Salako A. A. Rafiu E. E. Udensi <p>Assessment of the structures and solid minerals was carryout to investigate subsurface structural characteristics and mineralization potential zones within part of north-central Nigeria. The residual magnetic intensity data of the area was reduced to magnetic pole after which several source edge detection/interpretation with depth determination techniques including, analytic signal; tilt derivative; first and second vertical derivatives and Euler deconvolution were applied to the aeromagnetic data. From the analytic signal map, three magnetic zones were delineated. These are: low to relatively low magnetic zone (LM) with amplitude range from 0.003 to 0.009, moderate magnetic zone (MM) with amplitude 0.009 to 0.106 and those with amplitudes above 0.106 were products of later magmatic intrusions into host with fractures, faults and joints. Tilt derivative helped in delineating location and extent of edges of causative sources while Euler deconvolution helps in determination of boundary, depth and geometry of the structures. From first vertical derivative map, structures were found to have high lineament density around the central portion of the area and span toward the western end of the map were delineated. The lineaments mapped trending in the ENE-WSW followed by WNW-ESE with some NE-SW, NNE-SSW and NNW-SSE trends. The second vertical derivative (SVD) map also helped in delineating structures and possible mineralization zones that are pronounced within the study area, around high analytic signal zones. Delineated possible and favorable mineralization zones from second vertical derivative map correlate with portion of the study area with rocks showing high analytic signal amplitude suggesting the rocks to be of later magmatic intrusions where mineralization fluids solidify within the host rocks.</p> 2020-07-06T00:00:00+00:00 ##submission.copyrightStatement## Spatio-temporal Analysis of Noise Levels across Hotspot Areas in Port Harcourt Metropolis, Rivers State, Nigeria 2020-07-10T02:45:22+00:00 Bright Chika Ajoku Odinaka Amadi- Wali <p>This study examined spatial and temporal variations of noise levels across hot spot areas in Port Harcourt metropolis, Rivers State Nigeria. It employed a quasi-experimental design. The noise level was captured using Mobile Application known as decibel (dB) X in infinix note 3 android smart phone, which was calibrated with a digital noise meter SET 1350, with a measuring level range of 20–120 decibel while the sampling points were captured with the use of handheld Global Positioning System (GPS) Garmin 78sc which was calibrated to UTM zone 32N. The Geographic Information System (GIS) was the main tool in manipulating surface prediction modeling Inverse Distance Weighting (IDW) in the morning and evening noise levels using Environmental Science Research Institute’s (ESRI) software ArcGIS 10.4 version. In the twelve areas investigated, two sample points were captured in each, making a total of twenty four points. Analyses&nbsp; was done using ANOVA and t-test for the hypotheses and the finding of the results in mean noise levels in the morning and evening indicate that there were no statistical significant difference in the noise level as <em>P</em> =.89 and <em>P</em> =.124 respectively while the t-test indicates statistical significant difference in the majority of the hotspot areas. Therefore, hypotheses of significant mean noise levels were accepted. The finding of the IDW reveals that noise pollution occurs in the morning than in the evening periods in most areas, as they exceed the allowable noise limit of WHO standard is 85 dB (A). Based on the findings, the study recommended among others: that noise pollution planning controls should not be compromised but operates at higher dimension through planting of trees and monitoring in order to ensure strict compliance.</p> 2020-07-06T00:00:00+00:00 ##submission.copyrightStatement##