The radioactive elements of the uranium, thorium and potassium families are naturally present in very low amounts in all sediments.

Radioactive decay is accompanied by energy release, some of which is absorbed by nearby minerals.

Due to scientific dating, this cave is generally thought to date to the Aurignacian period despite this being in stark contrast to knowledge of the development of Ice Age art that has been gained through archaeological methods (Züchner 1995a, 1996, 1999).

Hills some 30 m high evidence significant sedimentary deposition during OIS 4 and 3, in which are found several Paleolithic sites.

These remains and the sedimentary dynamic will be compared with the Ounjougou discoveries once the ages are precisely determined.

The Paleolithic Period ended at different times in different parts of the world, between about 40,000 and 10,000 years ago. From the celebrated 1 994 series "Campos de batalla" (Battlefields), which followed "Campos de fiitbol," to the ambitious "Origen," 2003-2008, the couple's work has consisted of serial landscapes capturing a sense of place that is concrete and physical yet rich in intangible resonances--the location of a battle that took place a thousand years ago, say, or an archaeological site where remains from the - if a caveman wouldn't have eaten it, neither should we); the 5:2 diet (eat normally for five days and 'fast' for two, cutting down your calorie intake to just a quarter of the usual daily amount); and the Dukan diet (four different phases, each concentrating on separate food types).

So-called miracle diets are no way to lose weight; Despite millions of people buying into them every day, experts are warning that celebrity diets and certain'health foods'could be detrimental to health.

The OSL level observed in ancient samples is thus dependent on the absorbed radiation dose, and hence can be related to the time elapsed since last heating/illumination once the dose received per year (during burial) has been calculated.

Age (ka) = Dose équivalente (Gy) / débit de dose (Gy/ka) Several techniques are possible for OSL sampling, the principle being to always avoid accidental exposure to light. In fact, there is a local belief that water genies which live at the confluence of the four rivers, prevent humans (women in particular) from being in their domain at night.

However, in the Dogon Country, deep sedimentary deposits have been preserved in several sectors, trapping abundant evidence of human occupations during the Paleolithic and making it possible to study their chronology.

While the range of applicable dating methods is limited, given the exclusive preservation of mineral materials, with the exception of Holocene charcoals, conditions are favorable for dating by optically stimulated luminescence (OSL): the sediments are mainly formed of quartz, which, moreover, has a particularly strong luminescence signal in this region.

divided into three periods (Lower Paleolithic, c2,000,000–c200,000 b.c., Middle Paleolithic, c150,000–c40,000 b.c., Upper Paleolithic, c40,000–c10,000 b.c.).

The cultural period of the Stone Age that began about 2 million years ago, marked by the earliest use of tools made of chipped stone.

Of or relating to the cultural period of the Stone Age beginning with the earliest chipped stone tools, about 2.4 million years ago, until the beginning of the Mesolithic Period, about 15,000 to 11,500 years ago in western Asia and southern Europe.