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They are called varves.
Most salt deposits in Africa are found in the northern regions, particularly in countries like Egypt and Libya, where vast salt flats and ancient lake beds exist. The Great Salt Lake in Tunisia and the Danakil Depression in Ethiopia are also notable sources. Additionally, salt mining occurs in places like the Kalahari Desert in Botswana and Namibia. These deposits are often remnants of ancient bodies of water that have evaporated over time.
Malachite has been found at Musina, at the Stavoren tin mines, and in the Kalahari manganese field, with good specimens found at. among others, Palabora, Kwaggafontein, Vergenoeg and Leeuwenkloof.
extrusion
Glacial deposits are found in Africa, India, and Australia because these regions were once covered by ice sheets during past glacial periods. The movement of glaciers transported rocks, sediments, and other materials across these continents, leaving behind distinct glacial deposits like till, moraines, and erratics. These deposits serve as evidence of the Earth's past climate history and the presence of glaciers in regions where they are uncommon today.
A) glacial deposits
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what is a ridge formed from deposits are
Glacial deposits or glacial drift refer to all sediments of glacial origin. These deposits include materials such as till, moraines, outwash plains, and glacial erratics that are left behind by the movement of glaciers.
A kettle is a depression left by melted blocks of ice in glacial deposits.
Two types of climate clues that support the continental drift hypothesis are glacial deposits and coal deposits. Glacial deposits found in currently warm regions, such as South America and Africa, indicate that these continents were once located near the South Pole. Additionally, coal deposits in areas like North America and Europe suggest that these regions were once situated in tropical climates, supporting the idea that continents have shifted over geological time.
The presence of glacial deposits near the equator suggests that the climate in those areas was significantly cooler in the past, allowing glaciers to form and deposit materials. This indicates that the Earth's climate at that time was different from what it is today, with lower temperatures supporting the existence of glaciers in regions where they are not typically found today.
till is the name of the material. In most cases all glacial-related deposits are unsorted and unstratified.
Glacial PlainA l outwash plain is a stratified deposit of sand and gravel transported by water from a melting glacial ice sheet.
Gold deposits would be found in the Nile river, and this would be traded in the middle of Africa. (:
glacial deposits