Lead Isotopic Variation and Sources of the Lead in the Lead …

The Benue trough is an intra-continental rift initiated in the Cretaceous during the opening of the South Atlantic Ocean. Lead-zinc-barite-fluorite mineralization occurs along the 600 km axis of ...

Origin of lead-zinc mineralization in the southern Benue Trough

The epigenetic Pb-Zn deposits of the southern Benue Valley (Nigeria) are localized within Cretaceous sediments of an intracontinental rift basin. Fluid inclusion studies of vein minerals from the Abakaliki and Ishiagu orebodies show that sphalerite and quartz were deposited at relatively low temperatures (102–175 °C), with ore-fluid salinity mostly in …

Integrated geophysical investigation for lead and zinc …

The interpreted results of ground magnetic and very low frequency electromagnetic in Figures 7 and 8, respectively, revealed structures that are predominantly trending in NS directions in agreement with the occurrence of lead-zinc in Benue Trough (Olade and Morton, 1985), the presence of these veins is possibly filled with lead-zinc ...

Assessment of depth to Lead-Zinc deposit in parts of …

mining of the lead-zinc ores commenced in all districts as early as 1925, the upper Benue deposits have been relatively less studied. Most of the studies were centered on the geology and origin of the lower Benue lead-zinc-copper deposits but which was always projected to the upper Benue Trough Zurak-Wase lead-zinc deposits

Thermal and chemical variations of the Nigerian Benue trough lead …

Semantic Scholar extracted view of "Thermal and chemical variations of the Nigerian Benue trough lead-zinc-barite-fluorite deposits" by I. Ogundipe. ... Approximately 1,330 fluid inclusions were studied in samples of ore and gangue minerals from both massive ore and late-stage vugs from a series of Appalachian deposits and five active …

(PDF) Assessment of Environmental Geochemistry of Lead …

The ore deposits in the study area and elsewhere in the Benue Trough have been analysed by previous workers. Northeast of the study area the ores comprise predominantly Pb - Cu - Mn - Ni sulfides ...

Distribution of lead-zinc-baryte mineralization along the Benue Trough …

Distribution of lead-zinc-baryte mineralisation along the Benue Trough (Inset sketch map of Nigeria showing the Benue Trough) [modified from Ene et al. (2012)-afterCratchley and Jones (1965) and ...

(PDF) THE NIGERIA MINERAL DEPOSITS: LEAD/ZINC

PDF | On Dec 30, 2021, O S Adikwu and others published THE NIGERIA MINERAL DEPOSITS: LEAD/ZINC MINERALIZATION DISCOVERY IN PARTS OF MIDDLE BENUE TROUGH, NIGERIA | Find, read and cite all the ...

Lead-Zinc-Barytes mineralization in the Benue Trough, …

Lead-zinc-barytes occurs in almost the entire length of the Benue Trough. Lead-zinc-barytes mineralization in the Trough is believed to be hydrothermal in origin and is associated with brine...

Map of lead/zinc mineralization in Ebonyi State. Source: …

The work index of reference ore was used to calculate the work index of the test ore using Gaudin Schuman expression to obtain a work index of 14.16 Kwh/ton for test ore and it lies within the ...

Thermal and chemical variations of the Nigerian Benue trough lead …

The Benue trough is an intra-continental rift initiated in the Cretaceous during the opening of the South Atlantic Ocean. Lead-zinc-barite-fluorite mineralization occurs along the 600 km axis of ...

Exploratory assessment of Lead-Zinc mineralization in …

Lead-zinc mineral deposits in the Benue Trough is known to occur as lodes and vein fillings along a narrow NE-SW trending structural belt that stretches from Ishiagu in the south to

On the Genesis of the Lower Benue Valley Lead-Zinc …

Recent advances in ore deposit research have also shown that the geochemical nature and sources of the ore-forming fluids can best be determined when isotopic studies of carbon, oxygen, hydrogen and sulfur are carried out on the deposits. ... Thermal and chemical variations of the Nigerian Benue trough lead-zinc-barite-fluorite …

Integrated geophysical investigation for lead and …

Lead–Zinc mineralisation in Nigeria has been reported from the late Albian to the end of the Turonian (Farrington, 1952), primarily as epigenetic deposits within the Cretaceous layers of the Upper, Middle, …

APPLICATION OF GROUND MAGNETIC METHOD FOR …

application of ground magnetic method for delineation subsurface structural control on sulphide ore deposit in benue trough; a case study of ikenyi izzi December 2022 Earth Science Malaysia 7(1):7-19

Origin of lead-zinc mineralization in the southern Benue …

The Benue Trough of Nigeria (Fig. 1) is a sediment-filled intracratonic rift basin containing several lead-zinc, barite salt and fluorite deposits localized within Cretaceous sedi-

Environment of ore formation and anchizonal …

Lead-zinc-fluorite-barite vein ore-bodies occur in the Benue Trough within the Albian sequence of this intracontinental rift structure. The veins are distributed in a series of N/S and NW/SE ...

Origin of lead-zinc mineralization in the …

Lead was discovered in Nigeria in the 1950s when it was first attributed to a magmatic emplacement of mafic igneous intrusions in the Nigerian rift basin known as the Benue trough (Farrington 1952 ...

Thermal and chemical variations of the Nigerian Benue …

Lead-zinc-barite-fluorite mineralization occurs along the 600 km axis of the trough in three discrete sub-basins which coincide with the lower, middle and upper …

Pb-Zn-Ba deposits in the Nigerian Benue Trough: A …

DOI: 10.1016/j.oregeorev.2024.105947 Corpus ID: 268003684; Pb-Zn-Ba deposits in the Nigerian Benue Trough: A synthesis on deposits classification and genetic model @article{Bute2024PbZnBaDI, title={Pb-Zn-Ba deposits in the Nigerian Benue Trough: A synthesis on deposits classification and genetic model}, author={Saleh Ibrahim Bute and …

Origin of lead-zinc mineralization in the southern …

In the Lower Benue Trough of Southeastern Nigeria, lead-zinc-barium mineralization occurs as widely distributed epigenetic fracture-controlled vein deposits which are restricted to Albian – Turonian sediments.

Geology and mineral resources of the Lower Benue Trough, …

The Lower Benue Trough is the southern portion of the Benue Trough that is believed to have originated as a failed arm of an aulacogen at the time of the opening of the South Atlantic Oceans during the separation of the ... Determination of Work Index of Enyigba Lead Ore, Ebonyi State, South-East Nigeria. 2015 • OBASSI ETTU. Download Free …

Thermal and chemical variations of the Nigerian Benue trough lead …

The Benue trough is an intra-continental rift initiated in the Cretaceous during the opening of the South Atlantic Ocean. Lead-zinc-barite-fluorite mineralization occurs along the 600 km axis of the trough in three discrete sub-basins which coincide with the lower, middle and upper mineral districts of the Benue Valley.

RE-APPRAISAL OF THE GENESIS OF ISHIAGU LEAD-ZINC …

ORE DEPOSITS, SOUTHERN BENUE TROUGH, NIGERIA BY OKEKE, ADAOBI ISABELLA 2014507006F ... 2.1 Geologic map of the Benue Trough Showing the Lead-Zinc Deposit 13 2.2 Tectonic map of southeastern Nigeria from Albian to Eocene (modified from Murat, 1972) 20 2.3: Structural map of Southeast Nigeria showing folds and faults …

Lead-Zinc-Barytes mineralization in the Benue Trough, …

Galena (PbS) is the principal ore mineral, usually found in association with sphalerite (ZnS) and barytes. Galena ... Lead-Zinc-Barytes Mineralization in the Lower Benue Trough In the Lower Benue Trough, lead-zinc-barytes mineralization occurs as epigenetic fracture-controlled vein deposits which are restricted to Albian–Turonian sediments ...

Genesis of the Lead -Zinc Mineralization, Upper Benue …

The controversy on the genesis of the Benue Trough lead-zinc ores may be resolved if geochemical H-C-O-S and Pb isotopic studies in addition to fluid inclusion analyses are used as bases for postulating a genetic model for each of the unique geotectonic lower, middle, and upper Benue Trough.Akandeet. al. (1988) carried

(PDF) THE NIGERIA MINERAL DEPOSITS: …

The Benue trough is part of the much larger West and Central African Rift System (Fairhead, 1991; Genik, 1992) which originated during the breakup of the Gondwana supercontinent and the....

Integrated geophysical investigation for lead and zinc …

The interpreted results of ground magnetic and very low frequency electromagnetic in Figures 7 and and8, 8, respectively, revealed structures that are predominantly trending in NS directions in agreement with the occurrence of lead-zinc in Benue Trough (Olade and Morton, 1985), the presence of these veins is possibly filled …

Application of integrated geophysical techniques in …

prole within the area where lead mineralization was previously mined show a at (magnetic quiet) response parallel to the strike of the mine pit, which is the suspected trend of mineralization. ... Keywords Integrated geophysical techniques · Mineralization potential · Pb–Zn sulphide ore · Benue Trough Introduction Geophysical techniques ...

The geologic setting of lead-zinc deposits at Ishiagu, …

In the Lower Benue Trough of Southeastern Nigeria, lead-zinc-barium mineralization occurs as widely distributed epigenetic fracture-controlled vein deposits which are ... An Evaluation of Self-Potential anomaly over sulphide ore deposits has been undertaken at Ishiagu, Ebonyi State, Southeastern Nigeria. The Project site is about 5sqkm ...

Lead Isotopic Variation and Sources of the Lead in the Lead …

Lead-zinc-barite-fluorite mineralization occurs along the 600 km axis of the trough in three discrete sub-basins which coincide with the lower, middle and upper …

Application of Self-Potential Geophysical Method in Delineation of Lead

Many occurrences of lead-zinc are known, such as those at Enyigba, Ameki, Ameri (near Abakaliki), Wanikande, Wanakom, Gabu, and Oshina all in the Lower Benue Trough and at Keana, Aloshi, Akiri ...

(PDF) Petrography and Geochemical Studies of Eyingba Lead …

This research was conducted in the Keana area of the middle Benue trough endowed with abundant mineral deposits (brine/salt, lead-zinc sulfide ores, barite and limestone) and …