Rock types in Africa...Any Geologists Here?

Question

Are there any rock types in Africa that can be found in large formations anywhere within the continent? What are some common types? I'm looking for specific inorganic compounds... Also, are there any unusual properties of the rocks/soil over there that aren't in the U.S.?

If you don't know, pointing me to a book or website would be nice. I haven't had too much luck with Google on this today.

Answer 1

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Relating MODIS-derived surface albedo to soils and rock types over ...

3365k - Adobe PDF - View as html

window of the year in Northern Africa and the Arabian peninsula, ... the maps are based on the age of rock and in some cases the type of ...

www-modis.bu.edu/brdf/.../publications/2002_tsvetsinskaya_etal.pdf

Igneous Rocks | Pictures of Intrusive and Extrusive Rock Types

A photo gallery of intrusive and extrusive rocks by Geology.com ... Africa. Asia. Australia. Canada. Europe. South America. United States. US Geology & Maps ...

geology.com/rocks/igneous-rocks.shtml

Sedimentary Rocks | Pictures, Characteristics, Textures, Types

Africa. Asia. Australia. Canada. Europe. South America. United ... Pictures and brief descriptions of some common sedimentary rock types are shown below. ...

geology.com/rocks/sedimentary-rocks.shtml

Field Guide to Rocks and Minerals of Southern Africa

Africa's first online ... Southern Africa showing the dominant rock types across the ... the trees in the ground and do some serious 'rock watching' next ...

www.scienceinafrica.co.za/books/rocks.htm

Africa :: Rock types and structural evolution -- Britannica Online ...

Africa, Rock types and structural evolution, Britannica Online Encyclopedia, The oldest rocks consist of gneisses, granites, metasediments, and metavolcanic rocks ...

britannica.com/EBchecked/topic/.../Rock-types-and-structural-evolution

Rock Art - African-American History Through the Arts

Rock Art of Africa - African-American History Through the Arts ... As is the case with many types of precious historical objects found in nature, ...

cghs.dade.k12.fl.us/african-american/tradtional/rock_art.htm

Kimberlite - Wikipedia, the free encyclopedia

* Morphology and volcanology|

* Petrology|

* Geochemistry|

* Economic importance

Kimberlite is a type of potassic volcanic rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5 carats (16.7 g) diamond in 1871 spawned a diamond rush, eventually creating the Big Hole.

en.wikipedia.org/wiki/Kimberlite

Answer 2

<<Are there any rock types in Africa that can be found in large formations anywhere within the continent?>>

Of course there are. The continent is essentially, as with any other continent, built from rock with other stuff being the icing on the cake.

<<What are some common types?>>

Much the same as anywhere else. Loads of granite, for example.

<<I haven't had too much luck with Google on this today.>>

There can be several reasons for that. It may be an enquiry is so obscure that hardly anybody has information on it. On the other hand, it could also be that there's something wrong with the enquiry.