Geological structure and hydrothermal alteration mapping for mineral deposit prospectivity using airborne geomagnetic and multispectral data in Zuru Province, northwestern Nigeria

Aisabokhae, Joseph; Alimi, Sodiq Abiodun; Adeoye, Moses O.; Bamidele, Oresajo

doi:10.1016/j.ejrs.2023.02.005

Cited by 5 publications

(7 citation statements)

References 19 publications

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“…Geological structure patterns on Atauro Island (Aisabokhae et al, 2023), standard and thrust faults dominate Timor-Leste; normal faults form hydrothermal alteration zones, While the descending fault horizontal fault plays a role in forming the argillic alteration zone (Prabowo et al, 2018).…”

Section: Resultsmentioning

confidence: 99%

“…To further optimise the potential of mineral resources on Atauro Island, further research must be done to determine the hydrothermal alteration zone in more detail (Aisabokhae et al, 2023). Such research may include mineralogical, geochemical, and geological analysis of structures.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

“…The study found that four areas at the Makili, Villa, Berau, and Bikeli sites in Atauro experienced hydrothermal alteration (Aisabokhae et al, 2023). Such changes are argillic; outer Propylitic, phillic, and advanced argillic changes are the types of changes produced by (Aisabokhae et al, 2023). The Villa, Makili, Pala, Berau, and Atauro sites are lithologically dominated by porphyritic, partly andesitic, dacitic, andesite rocks with Nazario Gomes, Sutarto, Joko Soesilo, Heru Sigit Purwanto, James Christopher silicic, propylitic, and argillic Filik alteration.…”

Section: Introductionmentioning

confidence: 99%

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Stereographic for Development of Stricture Pattern of Geological Alteration Zone in Atauro Island, Timor-Leste

Gomes,

Sutarto,

Soesilo

et al. 2024

ajosh

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The geological structural patterns and hydrothermal alteration zones of Atauro Island, Timor-Leste, which are influenced by the collision mechanism between the Banda Arc and the Australian Continent, are the subject of this study. The study identifies fault types and alteration zones through stereographic analysis. It indicates the possibility of mineralization in the area. Four alteration zones were identified in this study: argillic, Propylitic, calcosite, and geotite. The analysis results show that left-striking and normal faulting were essential in forming these zones. The mineralization zones, mainly chalcopyrite and chalcocite, are related to the north-northeast trending left horizontal Fault. In addition, this study suggests additional research that includes mineralogy, geochemical, and geophysical analyses to understand more about the characteristics of hydrothermal alteration zones and possible mineralization on Atauro Island. The results of this study are expected to improve our understanding of mineral resources in the region, and it is suggested that this information be considered by authorities responsible for the management of potential natural resources on Atauro Island, Timor.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Stereographic for Development of Stricture Pattern of Geological Alteration Zone in Atauro Island, Timor-Leste

Gomes,

Sutarto,

Soesilo

et al. 2024

ajosh

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“…Several research works have been published within the Nigerian basement complex mostly in the schist belts for structures, hydrothermal alteration zones delineation for gold employing either only the magnetic method or the integration of magnetic with radiometric or the remote sensing data [5], [18,9,19,30,21,32,10,6,23,33,34,35,36,37]. Since these methods are essential in characterizing geological features including faults, folds, shear zones, and other favourable places for mineralization, they are widely used globally as fundamental tools for geological interpretations [14,38,39,40].…”

Section: Introductionmentioning

confidence: 99%

Application of Airborne Magnetic Data to Assess the Structures that Favour Gold Mineralization within Southern Parts of Katsina State, Nigeria

A. F.,

M. D

2024

JGEESI

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The Nigerian schist belts are endowed with gold mineralisation and to delineate the geological structures that favour gold mineralisation, the airborne magnetic data that cover the study area was employed. Also, the residual magnetic anomaly data of the research area was reduced to the Equator (RTE) followed by the application of the centre for exploration targeting (CET) plug-in and three source edge mapping techniques; analytic signal (AS), first vertical derivative (FVD) and the horizontal gradient magnitude (HGM), for structural delineation and subsequently the structural density map of the area was produced. Structural density varies from 0.186 km/km2 low to 0.93 km/km2 high. Portions within the study area with high structural densities are Bakori in the southwest, Shanono in the northeast, Gwarzo situated directly south of Shanono, north and south of Karaye, the border between Kafur and Rogo in the south, all within the schist. Since structures are conduits for the migration of mineralisation fluids, areas with high structural densities will be viable for gold mineralisation. Also, comparing the structural density map of the area to the analytic signal map of the area has revealed the high structural density portions to coincide with the high analytic signal zones. This implies that structures within these portions are responsible for the migration of mineralization fluid into these environments.

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Gold-bearing quartz veins and associated rocks in the Wawa area, western Nigeria: Insights to their nature from field investigation, petrographic study, and geochemical analysis

Alimi,

Carranza

2024

Journal of African Earth Sciences

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Geological structure and hydrothermal alteration mapping for mineral deposit prospectivity using airborne geomagnetic and multispectral data in Zuru Province, northwestern Nigeria

Cited by 5 publications

References 19 publications

Stereographic for Development of Stricture Pattern of Geological Alteration Zone in Atauro Island, Timor-Leste

Stereographic for Development of Stricture Pattern of Geological Alteration Zone in Atauro Island, Timor-Leste

Application of Airborne Magnetic Data to Assess the Structures that Favour Gold Mineralization within Southern Parts of Katsina State, Nigeria

Gold-bearing quartz veins and associated rocks in the Wawa area, western Nigeria: Insights to their nature from field investigation, petrographic study, and geochemical analysis

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