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9 Μαΐ 2018 · The Middle to Later Stone Age transition in Africa has been debated as a significant shift in human technological, cultural, and cognitive evolution.
18 Αυγ 2023 · Flaked stone (lithic) artifacts are a ubiquitous cultural material at Pleistocene sites and first appear in the archaeological record 3.3 million years ago (Ma) in East Africa. The African stone artifact record thus covers the longest time span of human prehistory compared to other regions.
7 Μαρ 2022 · Composite of key inter-regional and regional climatic records, insolation, and temperature, precipitation and altitude parameters for dated eastern African Middle Stone Age occupations...
5 Μαΐ 2021 · Most places we dig in these red soils, we find stone artifacts. They are evidence that someone sat and skillfully broke stones to create edges so sharp they can still draw blood.
6 Αυγ 2024 · Nearly 99.96% of Africa shows an increase in PWV, with 88.95% of these areas experiencing statistically significant changes, particularly in central regions of Africa. The increase in PWV is more pronounced in high-value months compared to low-value months.
This chapter will describe the classification of igneous rocks, the unique processes that form magmas, types of volcanoes and volcanic processes, volcanic hazards, and igneous landforms. Lava flow in Hawaii. Lava cools quickly on the surface of the earth and forms tiny microscopic crystals.
3 Ιαν 2020 · Here we show, using waveform tomography with a large, newly available dataset, that cratonic lithosphere beneath Africa is more complex and fragmented than seen previously.
