lead zinc mineralization of benue trough

lead zinc mineralization of benue trough

Lead-Zinc-Barytes mineralization in the Benue Trough ...

The Benue Trough of Nigeria is a sedimentary basin that extends from the Gulf of Guinea in the southwest to the Chad Basin in the northwest for about 800 km in length and 150 km in width. 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

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Origin of lead-zinc mineralization in the southern Benue ...

Origin of lead-zinc mineralization in the southern Benue Trough, Nigeria — Fluid inclusion and trace element studies. M. A. Olade 1 & R. D. Morton 2 Mineralium Deposita volume 20, pages 76–80 (1985)Cite this article

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Genesis of the Lead -Zinc Mineralization, Upper Benue ...

2018-8-8 · Lead-zinc mineralization in the upper Benue Trough is confined towell-defined steeply dipping fractures and faults striking inan N-S direction. A close examination of the mineralized structures of abandoned mine workings revealed that the strike length of the veins varies from a few meters with thickness ranging from

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Contrasting styles of lead-zinc-barium mineralization in ...

2022-1-29 · In the Lower Benue Trough of Southeastern Nigeria, lead-zinc-barium mineralization occurs as widely distributed epigenetic fracture-controlled vein

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Alteration Mapping for Lead-Zinc-Barium Mineralization

Lead-Zinc-Barium mineralization has been known in the southern Benue Trough for over a century. However, the first known documentation was in the form of a preliminary report by MacKay (1946 ...

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Contrasting styles of lead-zinc-barium mineralization in ...

2017-8-29 · Contrasting styles of lead-zinc-barium mineralization in the Lower Benue Trough, Southeastern Nigeria. 9. The Gboko Formation has been described as the oldest lithologic unit . in the lower Benue Trough, (Reyment, 1965; Ramanathan and Nair, 1984). The Gboko Formation rests directly on the Precambrian granitic basement,

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Contrasting styles of lead-zinc-barium mineralization in ...

2017-1-1 · 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. Detailed field studies carried out in Ishiagu, Enyigba-Ameki-Ameri, Wanikande-Wanakom, and Gabu-Oshina which together constitute the four main areas of

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Model of Pb/Zn mineralization genesis in the Cretaceous ...

The lead-zinc mineralization of the Benue Trough, distributed along the main anticlinal structures, forms a belt running for about 500 km. They occur in tensional submeridian fractureas resulting from the tectonic regime prevailing during the early stage of the Benue Trough infilling. The source of the mineralization is thought to be related to feldspar-rich series lying below the thick

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Structural controls of Pb-Zn mineralization of Enyigba ...

2015-9-22 · Abakaliki anticlinorium in the Lower 4 Benue Trough. The occurrences of lead-zinc in the study area are associated with saline water intrusion in the sedimentary basin. Mineralization occurs along a narrow belt of approximately 30 to 50 km wide and extends for about 560 to 600 km length of the Benue trough in Adamawa,

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Thermal and chemical variations of the Nigerian Benue ...

2017-8-1 · 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.

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Origin of lead-zinc mineralization in the southern Benue ...

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 ... Origin of lead-zinc mineralization in the southern Benue Trough, Nigeria — Fluid inclusion ...

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Contrasting styles of lead-zinc-barium mineralization in ...

Introduction. The lead-zinc-barium deposits of the Benue Trough have been known since colonial times. Initial exploration efforts mainly by geologists from the Geological Survey of Nigeria (GSN) between the late 1930's and the early 80's

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(PDF) ENVIRONMENTAL EFFECTS OF THE MINING OF

The effects of the mining of lead – zinc mineralization on the environment of Enyingba, Southern Benue trough were examined. The samples used for this study were obtained from abandoned mine sites. Collected samples were subjected to permeability

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Origin of lead-zinc mineralization in the southern Benue ...

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 the range of 17 25

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Model of Pb/Zn mineralization genesis in the Cretaceous ...

The lead-zinc mineralization of the Benue Trough, distributed along the main anticlinal structures, forms a belt running for about 500 km. They occur in tensional submeridian fractureas resulting from the tectonic regime prevailing during the early stage of the Benue Trough infilling. The source of the mineralization is thought to be related to feldspar-rich series lying below the thick

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Alteration Mapping for Lead-Zinc-Barium Mineralization in ...

Downloadable! The lead-zinc-barium deposits of the southern Benue Trough, Nigeria belong to a suite of clastic dominated fracture filling hydrothermal vein deposits. The alteration types and spread are poorly known yet required to aid exploration. Band ratio composites (BRC), Principal Component Analysis (PCA), and Minimum Noise Fraction (MNF) were applied to a full scene

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Lead Reservoirs and Metallization in Nigeria: Example of a ...

2020-8-21 · Whole rock and mineral extracts from Nigerian goldfields of late Proterozoic age are significantly more radiogenic than those from the much younger Mesozoic lead-zinc mineralization in the Benue Trough, their common formation by hydrothermal processes notwithstanding. Their marked contrasts in lead isotope compositions can be attributed to differences in source

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Contrasting styles of lead-zinc-barium mineralization in ...

2017-3-1 · Keywords: Lead-Zinc-Barium mineralization, Benue Trough, epigenetic, vein deposits. RESUMEN En la parte baja de la Formacion Benue Trough, en el sudeste de Nigeria, la mineralizacion de plomo-zinc-bario ocurre en depositos epigeneticos de fractura controlada ampliamente distribuidos pero que se restringen a sedimentos Albian-Turonian. Estudios ...

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Structural controls of Pb-Zn mineralization of Enyigba ...

2015-9-22 · Abakaliki anticlinorium in the Lower 4 Benue Trough. The occurrences of lead-zinc in the study area are associated with saline water intrusion in the sedimentary basin. Mineralization occurs along a narrow belt of approximately 30 to 50 km wide and extends for about 560 to 600 km length of the Benue trough in Adamawa,

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Mapping Geological Structures Controlling

2018-10-26 · Abakaliki lead-zinc mineralization is believed to be of hydrothermal origin emplaced at a low temperature of about 1400 and it is made up of primarily four lodes namely Ishiagu, Enyigba, Ameri, Ameka in the lower Benue Trough (Kaliberng, 2011).

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Contrasting styles of lead-zinc-barium mineralization in ...

Introduction. The lead-zinc-barium deposits of the Benue Trough have been known since colonial times. Initial exploration efforts mainly by geologists from the Geological Survey of Nigeria (GSN) between the late 1930's and the early 80's

Read More

Alteration Mapping for Lead-Zinc-Barium Mineralization in ...

Downloadable! The lead-zinc-barium deposits of the southern Benue Trough, Nigeria belong to a suite of clastic dominated fracture filling hydrothermal vein deposits. The alteration types and spread are poorly known yet required to aid exploration. Band ratio composites (BRC), Principal Component Analysis (PCA), and Minimum Noise Fraction (MNF) were applied to a full scene

Read More

Origin of lead-zinc mineralization in the southern Benue ...

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 the range of 17 25

Read More

Model of Pb/Zn mineralization genesis in the Cretaceous ...

The lead-zinc mineralization of the Benue Trough, distributed along the main anticlinal structures, forms a belt running for about 500 km. They occur in tensional submeridian fractureas resulting from the tectonic regime prevailing during the early stage of the Benue Trough infilling. The source of the mineralization is thought to be related to feldspar-rich series lying below the thick

Read More

Contrasting styles of lead-zinc-barium mineralization in ...

2017-3-1 · Keywords: Lead-Zinc-Barium mineralization, Benue Trough, epigenetic, vein deposits. RESUMEN En la parte baja de la Formacion Benue Trough, en el sudeste de Nigeria, la mineralizacion de plomo-zinc-bario ocurre en depositos epigeneticos de fractura controlada ampliamente distribuidos pero que se restringen a sedimentos Albian-Turonian. Estudios ...

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

2021-3-15 · The Benue trough is a linear trough with a strike length of more than 700 km. It has a maximum width of about 160 km. in the ... quartz are also determined with a view to determine the origin of the lower Benue lead- zinc mineralization. The δ ¹³C isotopic composition of the carbonates range from -2.0 to -5.2 per mil,

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Assessment Environmental Geochemistry Lead Zinc

2020-2-16 · Lead-zinc (Pb-Zn) sulphide mining activities in the Ishiagu area in the lower Benue Trough, southeastern Nigeria have a potential significant impact on the quality of soil and water resources and, by extension, animal health and agricultural produce within the environment. Mining activities date back to the 1960s (NGSA, 2010).

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Risks associated with the mining of Pb–Zn minerals in

2014-2-28 · The environmental effects of the mining of lead–zinc mineralization in Enyigba area, Southern Benue trough were examined. The samples used for this study were obtained from abandoned mine sites, mine tailings, streams, hand-dug wells, mine pond and borehole. Collected samples were subjected to X-ray fluorescence, X-ray diffraction analyses, atomic absorption

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Hydrogeochemistry of the Middle Benue Trough, Nigeria ...

2019-1-10 · However, Lead (Pb), Arsenic (As), Selenium (Se), Zinc (Zn) and Manganese (Mn) had concentration above the WHO standard and the Standard Organisation of Nigeria (SON) limits. These high values are mostly associated with the Baryte and Lead-Zinc mineralisation associated with either Keana or Awgu formations in the Middle Benue Trough and the ...

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DELINEA TION OF LEAD-ZINC (Pb-Zn) MINERALIZATION ...

2021-8-20 · 1.1 Lead-Zinc occurrence in Nigeria Nigeria is one of the Africa countries that are richly blessed with abundant natural resources and minerals and Lead-zinc are some of them; below are some of the states with Lead-zinc deposits; Akwa Ibom, Imo, Anambra, Bayelsa, Benue, Enugu, Niger, Ebonyi, FCT, Plateau, Cross River, Taraba, and Zamfara [9].

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