Metamorphic Rocks In Northern Nigeria

Jan 09, 2017 · The rock is 449 feet in height (ie half the height of the Eiffel Tower in Paris) Location: Olumo Rock is located in the town of Abeoukuta (Ogun State) and can be access from the A5 #3 Zuma Rock The famous Zuma Rock features on Nigeria’s 100 Naira note It’s also perhaps one of the main landmark rocks of Nigeria
Major Rocks In Nigeria - migmatite, gneiss, migmatite gneiss, The rock units consist of quartzo-feldspathic portion and the dark coloured maffic portion which are identical with igneous and metamorphic rock respectively From the conclusion drawn above, the migmatite are primarily of metamorphic material which cross-out a veined granitic material
The entire area of Nigeria looks to be Igneous or Metamorphic The pink areas are volcanic extrusive rocks Not knowing much of the geology of Nigeria I can hazard a guess The Niger River Valley, the Benue Trough, to me has similarities with the Mississippi Embayment along the US Gulf Coast
Mar 18, 2018 · What is the crystallization process associated with igneous rock formation? What minerals are in igneous rocks? There are a lot of igneous rocks in Abuja city in northern Nigeria
Kyanite is one of the natural mineral resources in Nigeria, West Africa, it is a blue-green crystalline mineral which contains aluminium silicate and is mostly found in metamorphic rocks, sedimentary rock or aluminium-rich metamorphic pegmatites
Incipient granulite facies conditions and charnockitization affected metasedimentary formations of northern Nigeria during the early stage of the Late Neoproterozoic (Pan-African) orogeny This domain is characterized by recumbent foliations consistent with crustal thickening
A Sb-Sr isochron age of 2205 ± 70 my given by a granite gneiss demonstrates that Eburnean granitic and older metamorphic rocks are widespread in southwestern Nigeria In the Ibadan area the reactivation due to the Pan-African thermo-tectonic event (600 ± 150my) appears to …
The younger granite complexes in Nigeria are found mainly on the Jos Plateau, forming a distinctive group of intrusive and volcanic rocks that are bounded by ring dykes or ring faults Other occurrences approximate a north-south belt towards the middle Benue in the south where the ages are younger and towards Niger Republic in the north where the younger granites are older
Metamorphic rocks are often squished, smeared out, and folded Despite these uncomfortable conditions, metamorphic rocks do not get hot enough to melt, or they would become igneous rocks! Common Metamorphic Rocks: Common metamorphic rocks include phyllite, schist, gneiss, quartzite and marble Foliated Metamorphic Rocks: Some kinds of metamorphic rocks -- granite gneiss and biotite schist are two examples -- are strongly banded or foliated
phases of deformation (D1, D2, D3) within th e crystalline rocks of the basement complex in northern Nigeria According to this author M1 represents a period of progressive metamorphism to lower amphibolite facies M2 is described as retrogressive and reached only green schist grade as did M3 In the southwest Boesse and Ocan (1988) recognized 3
Basement Complex rocks and the northeastern parts by the sedimentary ChadFormation (Figure2) The Basement Complex rocks consist mostly of igneous and metamorphic rocks with relatively shallow weathered mantle that permits very limited groundwater content
In the northern and semi-arid climatic conditions of Nigeria, almost entirely underlain by crystalline formations, groundwater and surface water availability are scarce and problematic The igneous and metamorphic rocks are mostly crystalline and they occur as granites, gneisses, migmatites, schists, phyllites, pegmatites or quartzites
Abstract Akwanga NW, Plateau State, Nigeria is underlain by pelitic to semipelitic schists which locally grade up to the sillimanite zone of regional metamorphism Other rock types include migmatitic gneisses, small metaquartzitic bodies, augen-gneiss, granite-gneiss, granites, pegmatites and delerites
An area of approximately 12,000 sq km of Precambrian to lower Paleozoic rocks around Zaria in northern Nigeria has recently been mapped for the first time Results from this survey have been combined with limited data from adjacent areas to determine the nature of the Pan-African event in this part of Nigeria
state lying between coordinates of 7ᵒ to 10ᵒE and 10ᵒ to 12ᵒN The Northern Nigerian Basement Complex comprises three groups of rocks namely, migmatites and (high grade) gneisses derived from Birrimian sedimentary rocks through high grade metamorphism and …
Introduction The Oban Massif area in the southeastern part of Nigeria is underlain by some of these Basement Complex rocks The area is a part of the giant spur that represents the western prolongation of the Cameroun Mountains into the Cross River plains of southeastern Nigeria ( Figure 1 )
Precambrian metamorphic rocks and late Paleozoic to Mesozoic granites form the crystalline basement complex which is unconformably covered by Cretaceous to Holocene continental and marine sediments The basement complex crops out more extensively in northern Nigeria, while the sedimentary rocks are most commonly found in southern Nigeria, and
Geology of Nigeria The sedimentary basin consists of sedimentary rocks which were derived from pre-existing rocks (igneous or metamorphic rocks, or even sedimentary rocks) deposited within the depressions in the crust of the Earth’s surface The Nigerian sedimentary basins ( Figure 1 ), like the Basement Complex,
The Nok Culture appeared in northern Nigeria around 1500 BC and vanished under unknown circumstances around 500 AD, thus having lasted approximately 2,000 years Iron use, in smelting and forging for tools, appears in Nok culture by at least 550 BC and possibly earlier Data from historical linguistics suggest that iron smelting was independently discovered in the region prior to 1000 BC
Kwara (Yoruba: Ìpínlẹ̀ Kwárà) is a state in Northern Nigeria Its capital is Ilorin Kwara is located within the North Central geopolitical zone, commonly referred to as the Middle Belt The primary ethnic group is Yoruba, with significant Nupe, Bariba, and Fulani minorities
A sheet-like body of igneous rock intruded Examples are the volcanic plug near Tangali parallel to the bedding of the country rocks in Northern Nigeria and the volcanic neck is known as a sill Although a sill is a typical called the ship rock in New Mexico example of a concordant intrusion, it can show a limited stratigraphic horizon along LACCOLITHS its length
Over 50% of northern Nigeria is covered by both the rocks of the basement complex rock types and the sedi- mentary rocks (Figure 1) The Older Granites, migmatite and gneissic rocks comprise the extensive mass of metamorphic rocks un- derlying most areas of the north and west of the country The rocks include different textures of granites; coarse to
Jul 29, 2009 · The rocks in the area of Southwest Obudu Plateau generally are characterized by the high concentrations of Ba, Ce, Sr, Rb, Ga, Ni, Cr, Co, Zr, Pr and moderate concentrations of Cu, Sm and Th The available data show that the charnockitic gneisses are of lower crustal origin
Written By: Limestone, sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite or aragonite It may contain considerable amounts of magnesium carbonate (dolomite) as well; minor constituents also commonly present include clay, iron carbonate, feldspar, pyrite, and quartz
The Jurassic Younger Granites of northern Nigeria are closely associated with tin and niobium deposits Primary mineralization which is confined almost exclusively to the biotite granites occurs as disseminations in albitzed granites, and as greisen lodes and veins
The basement complex in northern Nigeria is underlain by migmatite, gneiss and metasediments of Precambrian Age, which have been intruded by series of granitic rocks of late Precambrian to lower Paleozoic The plutonic rocks are known as older granites and have been dated to about 500 to 600 million years, representing the Pan-
Mozambique Metamorphic Belt It is considered a metamorphic region stretching from Madagascar into northern Kenya During the early 1970s geologists pursued gemstones along the Kenya-Tanzania boundary This lead to a new ruby discovery as well as a remarkable Tsavorite discovery along southeaster Kenya
“Review of Gully Erosion in Nigeria: Causes, Impacts and Possible Solutions” northern Nigeria and he divided the Paleozoic and metamorphic rocks, or even sedimentary rocks) deposited within the depressions in the crust of the Earth’s surface
The results reveal that the dominant intrusive rocks in Okom-Ita area are pegmatites, quartz veins and dolerites emplaced within gneisses, schists and phyllites host rocks The quartz veins and pegmatites are leucocratic consisting predominantly of quartz, plagioclase and subordinate amount of Muscovites
Ore microscopic studies reveal two main parageneses in the banded iron-formations of Nigeria In the low-grade metamorphic schist belts of northern Nigeria, a magnetitic paragenesis comprising magnetite, silicates (grunerite and garnet), and quartz is developed Magnetite which sometimes contains carbonate inclusions is markedly martitized
Jul 24, 2014 · Blast rocks bus station in north Nigerian city of Kano: witnesses On June 23, a bomb blast at a public health college in the city killed at least eight while on May 19, a suicide car bomb attack in Sabon Gari killed at least four people, including a young girl At least four strong explosions rocked the same area on July 29 last year,
Maru schist belt is a portion of basement complex of Northwestern Nigeria It is one of the low grade, upper proterozoic, metasedimentary dominated, and metavolcanic with intrusive igneous rocks schist belt in Western Nigeria [8] It is bounded to the East by Wonaka schist belt …
Jul 29, 2009 · The rocks in the area of Southwest Obudu Plateau generally are characterized by the high concentrations of Ba, Ce, Sr, Rb, Ga, Ni, Cr, Co, Zr, Pr and moderate concentrations of Cu, Sm and Th The available data show that the charnockitic gneisses are of lower crustal origin
In general rocks are of three types, namely, igneous, sedimentary, and metamorphic The scientific study of rocks is called petrology, and petrology is an essential component of geologyThe rocks
Crystalline and metamorphic rocks are almost impermeable except where fractured or weathered Volcanic rock, especially the basalts, may yield up to 1,060 cubic feet per hour Most of the exploited groundwater is generally fit for consumption , because the dissolved minerals in water from shallow wells, particularly in the sandy aquifers of western Africa , are quite low
The hematite facies and the silicified silicate facies are restricted to southern Nigeria where the second and heterogeneous tectono-metamorphic event is more pronounced (amphibolite facies conditions) than in northern Nigeria
Jan 29, 2015 · Osun-Osogbo Grove This is the only tourist destination in Nigeria that has sacred shrines, sanctuaries, sculptures and art works that are created in the honour of the goddess of fertility, Osun It is a UNESCO World Heritage Site situated along the Oshun River
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