See the attached abstract below

Heavy metals exist naturally in the earth’s crust as part of the composition. Their contents vary between regions resulting in spatial variations of background concentration. The concentration of heavy metals in the ...

Literature indicated that several mineralogical identification studies have been carried out on clays but few have focused on the characterisation of geophagic materials from South Africa. Large quantities of earth materials ...

The Cretaceous period marked the breaking up of Gondwana, giving rise to the separation of the African and South American continents with the subsequent emergence of the South Atlantic Ocean. Most correlation studies ...

Africa is endowed with various earthy materials, of which each community is uniquely identified. Inspite of the vast knowledge of western cosmetics, application of traditionally used cosmetics have been in existence and ...