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Olduvai reveals our first steps in Africa million years ago

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Working there is not easy, since its geography and climate are very complex. Even so, the desire to know and the effort to advance the knowledge of our history favors the carrying out of research projects such as the one promoted jointly by the University College London (UCL) with Dr. Ignacio de la Torre and Professor Renata Peters Indiana University, with Professor Jackson Njau ; the National Center for Research on Human Evolution (CENIEH) with Dr. Alfonso Benito , and the Autonomous University of Barcelona (UAB) with Dr. Rafael Mora . Olduvai Gorge Member of the Tanzanian team working on hippopotamus bones at the million year level of the FLK site (Olduvai, Tanzania). © CEPAP-UAB The field work they carry out, co-financed by the Palarq Foundation , focuses on the Frida Leakey Korongo (FLK) site, where Mary Leakey excavated many years ago. In this place, the team's dedication has made it possible to unearth numerous bone and lithic remains, associated with Homo erectus , despite the fact that, to this day, no human remains have been obtained at this site.

The chronology of these fossils would be around million years, when the reigning technological culture was the Acheulean, characterized by the presence of large-format flakes ( Large Cutting Tool , or LCT). They are tools of very different sizes, very rudimentary, with only a few retouched objects. To make these instruments, anvils or supports are used on which the raw material rests to modify it. Olduvai Gorge Plan view of the B2B Email List elephant remains found at the FLK site (Olduvai, Tanzania). © CEPAP-UAB In Frida Leakey Korongo, along with these stone objects, carcasses of large mammals that million years ago roamed this scene have been documented, such as the elephant or the hippopotamus. The bones show fractures caused by hominins and signs of the decarnation of the muscle masses that were part of the diet of our ancestors. All this is known thanks to the application of various disciplines, such as Geology and Archaeology. The starting point is the excavations. In this way, and with a lot of perseverance and dedication, archaeological objects have been recovered and then documented in a three-dimensional space, in order to relate each piece to the geological layers where they have appeared.



All of this will allow us to know more reliably what the daily life of Homo erectus was like and the setting that welcomed him. Olduvai General view of the excavated surface at the FLK site (Olduvai, Tanzania). © CEPAP-UAB The attraction of Olduvai means that various studies are advancing at the same time and in different locations. Thus, in addition to the aforementioned project, the Palarq Foundation supports the team led by professors Manuel Domínguez-Rodrigo and Enrique Baquedano. At the same time, in Eritrea, archaeologist Eudald Carbonell and paleontologist Bienvenido Martínez-Navarro co-direct the project “ Cradle of Humanity, Rif Valley ”, where tools and remains of fauna from million years ago have also been obtained. . The evolution of human settlement during the Quaternary is in turn where the commitment of the group that excavates in Jerada (Morocco) lies, with Dr. Robert Sala and Dr. Gema Chacón, both from IPHES (Catalan Institute of Human Paleoeoclogy and Evolution). Social). All of these investigations have a common denominator: identifying the evidence left by our ancestors on the continent where we were born, Africa.

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