An insight into Nigeria's gold deposit
This area of Gold Mineralisation is situated in the extreme southern part of the Kusheka schist belt. The fifth in the Gold occurrences in the country is the federal capital territory (FCT). The document says recent investigation and analytical geochemical data indicated the occurrence of anomalous Gold concentration in samples of Ibbaban ...
(PDF) Geology and Gold Mineralization around Kutcheri
Malumfashi, 4. Kazaure, 5. Wonaka, 6. Maru, 7. Anka, 8. Zuru, 9. ... minerals related to gold deposits that can be applied in other regions with analogous geological setting. Ó 2020 National ...
Integrated Aeromagnetic and Airborne Radiometric Data …
precious metal such as gold. The interaction between the fluids and tectonically deformed rocks result in hydrothermal alteration targeting elements. The identified ore deposits within the study area are gold and molybdenite (Garba, 2000; NGSA, 2006). The Anka schist belt, bounded to the east by the Maru schist belt and to the west by the ...
Contamination, sources and risk assessments of metals
Ecological and human health risks associated with metals in water from Anka Artisanal Gold Mining Area, Nigeria. Human and Ecological Risk Assessment: An International Journal ... (As, Cd, Cr, Co, Cu, Hg, Mn, Ni, Pb, and Zn) in soils near the deposits. The results show that the average levels of all 10 elements are higher than …
A REVIEW OF GOLD EXPLORATION IN THE NIGERIAN …
Generally, gold closely associates with quartzofeldspathic and sulphidic minerals (quartz and pyrite, respectively). Most of the gold deposits accumulate in the Maru, Anka, …
A spatial reconnaissance survey for gold exploration in a …
The positive spatial association observed between gold deposits with the ENE-WSW lineaments is characterised by an optimal spatial association at a distance of 0.5 km, …
Geochemical Characteristics of the Gold Mineralization …
Primary gold mineralization has been documented in several schist belts in 1981; Garba, 2002), with primary gold deposits reported in the Maru, Anka and Kushaka Schist belts, but Malumfashi schist ...
Structurally-controlled Gold Mineralization in the
Gold mineralization is associated with elevated potassium anomalies. •. Fault systems controlled hydrothermal alteration process. •. Abundant gold occurrence is …
Gold Deposits in the USA Interactive Map
Gold Distribution in the USA. The distribution of gold in the US is uneven. Most gold deposits are in Alaska, California, Nevada, Colorado, and Arizona. Most of the main gold-producing districts are in the mountainous areas of the United States, where folding, faulting, and igneous intrusions have deformed the rocks.
Geochemical characteristics of mesothermal gold mineralisation …
These shear zones are of regional scale and include Anka-Zuru and Kalangai-Ifewara Shear Zones (Fig. 1b). For example, an NW-SE trending subsidiary fault to the Anka fault hosts the gold-sulfide ...
Geological map of Nigeria showing the location of …
Anka is one of the major areas where gold deposits are located within the Schist Belt of Northwestern Nigeria (Wuyep et al., 2007). The Schist Belt is made up of many rock types such which include ...
Discovering the Hidden Treasure: Mineral Resources Found …
There are also large deposits of lead and zinc in the state, which are often found in association with gold. Other minerals found in Zamfara State include copper, kaolin, gypsum, quartz, mica, granite, and tantalite. These mineral resources are found in different parts of the state, including Anka, Maru, Talata Mafara, and Dansadau.
Geochemistry of Gold Deposits in Anka Schist Belt, …
Geochemistry of Gold Deposits in Anka Schist Belt, Northwestern, Nigeria. UA Danbatta. YI Abubakar. AA Ibrahim. Abstract. Gold quartz veins have been identified associated …
Ecological and human health risks associated with metals
In a recent study, the water in Hand-dug wells in Anka area was found to be polluted with heavy metals due to gold mining (Adewumi and Laniyan, 2020). Gold in this area is associated with schist ...
Geophysical mapping and mineralisation characterisation …
Gold mineralisation commonly occurs in quartz veins in mesothermal-type deposits (Elkhateeb and Abdellatif Citation 2018). The primary host rock for veined deposits include fine-grained tremolite schists, mica schists and amphibolites schist which form part of the metasediments in the survey area ( Figure 6 ) and several variety of …
A spatial reconnaissance survey for gold …
The positive spatial association observed between gold deposits with the ENE-WSW lineaments is characterised by an optimal spatial association at a distance of 0.5 km, and within this distance, 88.9% of all known …
The Interpretation of Aeromagnetic and Satellite …
the regional stress field. The Anka schists belt has been mined for gold since the 1940s and continues till date. The workings in recent times are mostly artisanal but it is an area considered by most exploration geologists to hold promise of major gold deposits. This study used aeromagnetic data; satellite imagery and
Assessing the Impact of Artisanal Gold Mining in Anka …
This study assessed the impact of artisanal gold mining (AGM) in Abare, Dareta, Gonar Kowar, Shabili, Sunke and Bagega communities in Anka local …
Umaru Aliyu Ohiani
Utilizing landsat-8 sensor operational land image data for hydrothermal alteration mapping within Anka Schist Belt, northwestern Nigeria. OU Aliyu, KI Aliyu ... Geology and petrography of the rocks around Liji area, Gongola sub-basin Northern Benue Trough, Northeastern Nigeria. ... Mineralogy and Geochemistry of Shale Deposits in the Lower ...
Using electrogeochemical approach to explore buried gold deposits …
Exploration for buried gold ores and other deeply buried ores, especially in high altitude localities, is one of the tough challenges facing the geological world today. Fast and efficient ore prospecting methods are badly needed to deal with the situation. This paper documents a test that, for the first time, uses an electrogeochemical approach to …
Contamination, sources and risk assessments of metals in …
The As values in soils obtained in the present study are higher than those obtained by [3] in the soils of Anka artisanal gold mining area, Northwest Nigeria (0.64 μg/g. The high average as ...
Genesis of the gold deposits in the Kunlun River area, East …
The Kunlun River area, located in the central section of the East Kunlun orogenic belt and sandwiched between the Central and South Kunlun faults, includes a series of orogenic gold deposits (e.g., Heicigou, Dazaohuo, and Heihainan) that constitute a gold mineralization system closely related to the late Paleozoic to early Mesozoic …
Geochemistry of Gold Deposits in Anka Schist Belt, …
ABSTRACT. Gold quartz veins have been identified associated with the rock formations of the Anka Schist Belt forming eight gold deposits that include Kuba I, Kuba II, Doka, Dumi I, Dumi II, Zurzurfa I, Zurzurfa II, Jameson and Kwali.
Where are Gold Deposits in Canada
In Manitoba, gold deposits have been found in Keewatin greenstone, schist, and volcanic rocks near granite intrusions. The Red Lake gold range, in Ontario, is continued westward in Manitoba. Northwest of Lake Winnipeg, a gold range begins at Wekusko Lake, and continues westward to and into Saskatchewan. The gold is found …
Geochemical Characteristics of the Gold
Received: 22 May 2018 Accepted: 1 June 2018 The aim of the present research is to provide an update of gold deposits models scattered in Bugai Village Birnin – Gwari Local Government Area of Kaduna … Expand. 3. Highly Influenced. PDF. 3 Excerpts; Save.
Integrated Aeromagnetic and Airborne Radiometric Data for …
The identified ore deposits within the study area are gold and molybdenite (Garba, 2000; NGSA, 2006). The Anka schist belt, bounded to the east by the Maru …
Gold Deposits | Gold.info
This type of gold deposit is mostly found in sedimentary and magmatic rock. The temperature of the hydrothermal fluids in magmatic rock are between 200 and 300 degrees Celsius ("epithermal"). Here the gold concentration lies between 1 and 10 grams of gold per tonne of rock. The most important deposits of this type are found in Papua New ...
Litho-structural and hydrothermal alteration mapping for
The mapping of lithology, structures, and hydrothermal alteration zones in Kaiama, northcentral Nigeria, was carried out to locate possible gold mineralization zones. Both aeromagnetic and aeroradiometric datasets were used in the investigation. Enhancement techniques such as first vertical derivative, analytic signal, Euler …
(PDF) ANALYSIS OF GOLD MINERAL POTENTIALS IN ANKA …
Gold is an important resource located within the subsurface, and its mineralization is Vcontrolled by geology, structures and hydrothermal alteration within …
'A wonderful accomplishment': success for cleanup of …
Over six months, 400 children died in a crisis that sent shockwaves throughout the country and brought into sharp focus the dangers of mineral processing in a largely impoverished and rural area.