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Monday, July 27, 2020 | History

2 edition of Ring-complexes in the Younger Granite province of Northern Nigeria found in the catalog.

Ring-complexes in the Younger Granite province of Northern Nigeria

Reginald R. E. Jacobson

Ring-complexes in the Younger Granite province of Northern Nigeria

by Reginald R. E. Jacobson

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  • 2 Currently reading

Published by Geological Society of London in London .
Written in English

    Subjects:
  • Geology -- Nigeria,
  • Granite.

  • Edition Notes

    Statementby Reginald R.E. Jacobson, William Norman MacLeod, and Russell Black.
    SeriesMemoir / Geological Society of London -- no. 1, Memoir (Geological Society of London) -- no. 1
    ContributionsBlack, Russell, MacLeod, William Norman
    The Physical Object
    Pagination72 p. :
    Number of Pages72
    ID Numbers
    Open LibraryOL15327988M

    Major Element Analysis of Basement Complex Rocks Around Bajabure Area Maiha L.G.A Adamawa State North-Eastern Nigeria - Tukur Usman - Project Report - Geography / Earth Science - Geology, Mineralogy, Soil Science - Publish your bachelor's or master's thesis, dissertation, term paper or essay. References. Adams, M. C., Moore, J. N., and Forster, C., Fluid flow in volcanic terrains—hydrogeochemisty of the Meager Mountain thermal system.

    Nigeria is a vast country with considerable wealth in natural resources and understanding Nigeria’s geology is critical for efficient exploration and exploitation of these resources. This book provides a detailed description of Nigeria’s geology and mineral resources with the aim of promoting sustainable economic development of Nigeria’s. The study area lies within latitude 7˚30'N to 8˚00'N and longitude 6˚E to 6˚30'E. It falls within the , standard topographic map of Kabba sheet and is accessible by road from the north through Abuja the Federal Capital of Nigeria and the south through Kabba (Figure 1).It has an annual rainfall of between mm and mm.

      Petrographic evaluation of rocks around Arikya and its evirons, North Central Nigeria Ekeleme et al. Figure 1: Outline Geological Map of Nigeria (after Olugbenga, et al., ) The main lithologic unit in the study area includes migmatites, gneisses, granite-gneisses, porphyroblastic gneisses, and dolerites with well delineated geologic. These emerald occurrences are located in the Jurassic younger granite ring complexes of the anorogenic magmatism of Nigeria. These granites crystallized in a volcanic-subvolcanic environment. They are generally peralkaline with perthitic K-feldspar, sodic amphiboles, and alkaline by: 6.


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Ring-complexes in the Younger Granite province of Northern Nigeria by Reginald R. E. Jacobson Download PDF EPUB FB2

Get this from a library. Ring-complexes in the younger granite province of Northern Nigeria. [Reginald Ronald Eric Jacobson]. Additional Physical Format: Online version: Jacobson, Reginald Ronald Eric.

Ring-complexes in the younger granite province of Northern Nigeria. London, This memoir presents a summary of recent studies on the Nigerian Younger Granite complexes. Sufficient information is now available to indicate that the province includes some of the finest examples of granitic ring-complexes in the world.

The cycle of igneous activity was initiated by a volcanic phase during which large volumes of rhyolitic lavas were extruded. Summary. The Younger Granite ring complexes of West Africa extend from Air to Cameroun and range in age from Palaeozoic to Tertiary.

They are dominated by granites and are emplaced in Pan African basement rocks, on ‘swells’ bordering sedimentary : J. Wright. The Mesozoic Younger Granite ring complexes of Nigeria (Fig. ) form part of a wider province of alkaline anorogenic magmatism.

They occur in a zone km wide and 1,km long extending from. The Mesozoic Younger Granite ring complexes of Nigeria (Fig. ) form part of a wider province of alkaline anorogenic magmatism. They occur in a zone km wide and 1, km long extending from northern Niger to south central by: 2.

The Riruwai Complex constitutes one of the Younger Granite Complexes in Nigeria within the Niger-Nigeria anorogenic belt province, located about Km south of Kano. Introduction. Jos Plateau is in the North-central region of Nigeria and is located between longitudes 7 0 30 – 10 0 00 1 E and latitude 8 0 00 – 11 0 30 1 N, covering an area of about km physiography of the study area can be described based on the nature, geomorphology and the structural elements in the Jos - Bukuru Ring Complexes.

Map of the Younger Granite ring-complexes of Nigeria (after Kinnaird, ). The complexes hosting the arfvedsonite granites studied are (1) Dutsen-Wai, (2) Kudaru, (3) Ririwai, (4) Kila-Warji and (5) Fagam. Inset: Geological sketch map of Nigeria indicating the location of the Younger Granite by: 5.

The occurrence of basic, intermediate and rhyolitic rocks, together with their granitic equivalents in the Younger granites of Nigeria, suggests a basic magmatic parent for the rocks of this province.

The evolution is thought to be through plagioclase, fayalite, clinopyrexene, K Cited by: 9. Geology of Nigeria.

A Volcanic Rocks in Nigeria B Wngbr. Structure and Petrology of the Younger Granite Ring Complexes. lavas limestone Liruei lower mafic magma marine McCurry megacrysts metamorphic metasediments mgal migmatites minerals Niger delta Nigeria Northern Nigeria occur Older Granite outcrop Paleocene.

THE “Younger Granites”, dated as Jurassic1, intrude the Nigerian basement complex and occur characteristically as ring-complexes, which are prominent topographic features in this part of.

Spilites, keratophyres, and the igneous spectrum - Volume Issue 6 - C. HughesCited by: The geology of Niger comprises very ancient igneous and metamorphic crystalline basement rocks in the west, more than billion years old formed in the late Archean and Proterozoic eons of the Volta Basin, Air Massif and the Iullemeden Basin began to form in the Neoproterozoic and Paleozoic, along with numerous ring complexes, as the region.

Chapter 2 Introduction to the geography and geomorphology of the Andaman–Nicobar Islands. Over 95% of the tin (cassiterite) produced in Nigeria was mined in the Younger Granite Province and were won from alluvial deposits derived from the tin-bearing granites and lodes [2, 69].

The origin of the Sn-Nb-Ta mineralization in the Younger Granite Province is related to the petrogenesis of the Younger Granites. greatest concentration of ring complexes is found (McCurry, ). The Nigerian Younger Granites are part only of a much larger igneous province extending far to the north in Niger Republic (Black and Girod,Turner, ).

The basement rocks appear to have exerted some control over the Younger Granite : M.D. Dogara. Can you make a granite ring band. Unanswered Questions. What are the adaptations of saga fruits and seeds. Is Julia Roberts qvc pregnant. Is papad khar substitute is baking soda.

Around Kagoro Younger Granite Rocks In North Central Nigeria Samaila Crah Alkali Department of Geology University of Maiduguri, P.Maiduguri, Nigeria Corresponding Email: [email protected] ; Tel: + Accepted 14 October Mapping and analysis of the density of lineaments around Kagoro Younger Granite complex and environs.

The Mesozoic Younger Granite ring complexes of Nigeria form part of a wider province of alkaline anorogenic magmatism.

They occur in a zone km wide and 1, km long extending from northern Niger to south central Nigeria. Abstract: The study area is part of the Hawal Basement Complex, Nigeria's northeast exposure of Precambrian is located between longitude ꞌE to ꞌE and latitude ꞌN and ꞌ"N covering an area of about km2.

The research work was carried out with the aim of identifying possible sub-volcanic basic rocks in the area and to see the possibility of .You can write a book review and share your experiences.

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Schram The Cholera epidemic in Zaria, Nigeria P. Beckett & A problem of political socialization: differential J.

O'Connell impacts of secondary education Y. Usman Some aspects of the external relations of Katsina before D. C. Turner Structure and tectonic setting of the Younger Granite ring complexes of Nigeria and southern Niger.