Grotte de Scladina | |
![]() Scladina Center | |
Alternative name | Sclayn Cave |
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Location | near village of Sclayn, Province of Namur |
Region | Andenne, Belgium |
Coordinates | 50°29′2″N5°1′32″E / 50.48389°N 5.02556°E |
History | |
Material | limestone |
Periods | Palaeolithic |
Associated with | Neanderthals |
Site notes | |
Excavation dates | since 1971 |
Archaeologists | of ASBL Archéologie Andennaise |
Scladina, or Sclayn Cave, is an archaeological site located in Wallonia in the town of Sclayn, in the Andenne hills in Belgium, where excavations since 1978 have provided the material for an exhaustive collection of over thirteen thousand Mousterian stone artifacts [1] and the fossilized remains of an especially ancient Neanderthal, called the Scladina child were discovered in 1993. [2]
The Scladina cave is located on a hill to the right of the Meuse river bank, south-west of Sclayn village, being one of a number of caves in the middle Meuse river region, where significant paleontological discoveries were made as in the Spy Cave and the Lyell Cave. The caves in the area have undergone systematic exploration since 1949. [2]
Scladina Cave was discovered in 1971 by cavers of the CAS (Archaeological Circle Sclaynois). In 1978 the Scientific Council of the Prehistory Department of the University of Liège began to direct the excavations. Since the site has yielded numerous artifacts of Mousterian Neanderthal origin, amidst assemblages of stone tools, bones and faunal remains. After the initially clearing of the entrance the excavations uncovered two strata of Neanderthal occupation, the oldest dating back 130,000 years. [3] The sediments yielded artifacts and Mousterian stone tools, the earliest were attributed to the Middle Palaeolithic. The lithic industry of layer 5 is considered to be instrumental for a deeper understanding of the Mousterian settlements in the region and future studies might support the acquisition of a more accurate chronology and help to draw a more complete image of the contemporary environment of the site. [1]
The remarkably good state of preservation of the fossils, faunal remains and the sediments have the site allowed to become a point of reference in climatic evolution studies of Palaeolithic north-western Europe. [4] [5] Two Neanderthal occupation sites were identified, one dated to be 130,000 years old and the other 40,000 years. Modern humans infrequently occupied the site between 32,000 and 9,000 years ago and used the site as a burial place during the late Neolithic and Bronze Age between 5,300 and 2,000 years ago. Continued excavations since 1978 [6] have produced a steady stream of findings that culminated in the discovery of the remarkable Sclayn child fossils in 1993. Sclayn cave site has been classified as a national heritage site of Wallonia on 27 May 2009 and is since open to the public.
Dated to be around 127,000 years old, [2] the first fragment of the now nearly complete mandible, was found on 16 July 1993. A maxillary fragment and several teeth of the child were excavated in subsequent campaigns. A genetic sample was successfully extracted from one of the molars at a specific laboratory for ancient DNA and analyzed at the Max Planck Institute for Evolutionary Anthropology, Leipzig. [7] [8] [2]
The child's DNA is one of the oldest to have been extracted from a Homo neanderthalensis fossil and has significantly contributed to the genetic mapping of the Neanderthal genome and the comparison with Homo sapiens. [7] Initially it was suggested that the Scladina child was 2 to 4 years older than current estimates, based upon traditional assessments of the progressive dental development. Results of an international research collaboration allow the proposal that Homo neanderthalensis children had a faster rate of dental development than modern human children as well as other aspects of physical development were likely to be more rapid in juvenile Neanderthals, such as a quicker onset of sexual maturity and different and faster patterns of early cognitive development. [7]
The study further elaborates, that tooth development is related to overall physiological development, noticeable as the first molar eruption coincides - universally across the primate phylum - with the beginning of the weaning stage, whereas the upsurge of the third molar indicates the onset of sexual development. Some scholars, though debate universal periods of anterior tooth growth, as it is known that anterior tooth growth takes longer in great apes than in humans and varies among human populations. [7] The study of the child turned out to support the idea that extremely prolonged duration of human development is unique to Homo sapiens and a relatively recent development in human evolution. Although the matter is still debated, the more rapid development apparent in Homo neanderthalensis children (wherein sexual onset may have occurred up to 4 years sooner) puts Neanderthal development patterns at a progressive stage in between modern Homo sapiens and that of earlier species, such as Homo erectus. This trend suggests to many scientists the necessary prevalence of differing patterns of behavioral and social development as well. [9]
A single tooth of another Neanderthal infant, also found at the site, was analysed by Christine Austin and Tanya Smith, whose analysis suggests that this particular child has received 7 months of breastfeeding and supplementation for additional 7 months, which adds up to roughly 14 months of breastfeeding. [2] This cycle is indeed longer than that of some contemporary human cultures, which implies that Neanderthal children might have grown up faster, a process that began only after the stages of early infancy.[ citation needed ]
Neanderthal diet consisted to over 70% of meat, unlike that of contemporary Homo sapiens hunter-gatherer societies. [10] although some cooked vegetables are evident. Provisioning techniques, made superior by extensive tool use, aided early Homo in pursuits of worldwide expansion. One large game evident in the diets of Scladina Neanderthals is bear. Several bear bones were found amongst other stone tools and modifiers within the Scladina cave site. Wear marks on the bones, 4 of the 6 bear bone tools which originated from a single femur, exhibit abrasion traits that classify them as lithic retouchers. [7] [11]
The ASBL Archéologie Andennaise has established an educational mission in consequence of the prolonged, intense and insightful study of the site and the enormous implications of the acquired information and data. The idea is to correctly inform about prehistory, deemed to be still perceived as nebulous and mythical by the general public. The site and its documentation center are open to the public all year round. Private groups, school classes are permanently granted access to the cave, the laboratory, the museum gallery with multimedia program rooms, accompanied by the researchers and scientists themselves. [3]
Early modern human (EMH), or anatomically modern human (AMH), are terms used to distinguish Homo sapiens that are anatomically consistent with the range of phenotypes seen in contemporary humans, from extinct archaic human species. This distinction is useful especially for times and regions where anatomically modern and archaic humans co-existed, for example, in Paleolithic Europe. Among the oldest known remains of Homo sapiens are those found at the Omo-Kibish I archaeological site in south-western Ethiopia, dating to about 233,000 to 196,000 years ago, the Florisbad site in South Africa, dating to about 259,000 years ago, and the Jebel Irhoud site in Morocco, dated about 315,000 years ago.
The Neandertal is a small valley of the river Düssel in the German state of North Rhine-Westphalia, located about 12 km (7.5 mi) east of Düsseldorf, the capital city of North Rhine-Westphalia. The valley lies within the limits of the towns of Erkrath and Mettmann. In August 1856, the area became famous for the discovery of Neanderthal 1, one of the first specimens of Homo neanderthalensis to be found.
The Mousterian is an archaeological industry of stone tools, associated primarily with the Neanderthals in Europe, and to the earliest anatomically modern humans in North Africa and West Asia. The Mousterian largely defines the latter part of the Middle Paleolithic, the middle of the West Eurasian Old Stone Age. It lasted roughly from 160,000 to 40,000 BP. If its predecessor, known as Levallois or Levallois-Mousterian, is included, the range is extended to as early as c. 300,000–200,000 BP. The main following period is the Aurignacian of Homo sapiens.
The Max Planck Institute for Evolutionary Anthropology is a research institute based in Leipzig, Germany, that was founded in 1997. It is part of the Max Planck Society network.
Neanderthals became extinct around 40,000 years ago. Hypotheses on the causes of the extinction include violence, transmission of diseases from modern humans which Neanderthals had no immunity to, competitive replacement, extinction by interbreeding with early modern human populations, natural catastrophes, climate change and inbreeding depression. It is likely that multiple factors caused the demise of an already low population.
Paleogenetics is the study of the past through the examination of preserved genetic material from the remains of ancient organisms. Emile Zuckerkandl and Linus Pauling introduced the term in 1963, long before the sequencing of DNA, in reference to the possible reconstruction of the corresponding polypeptide sequences of past organisms. The first sequence of ancient DNA, isolated from a museum specimen of the extinct quagga, was published in 1984 by a team led by Allan Wilson.
The Tabun Cave is an excavated site located at Nahal Me'arot Nature Reserve, Israel and is one of the Human Evolution sites at Mount Carmel, which were proclaimed as having universal value by UNESCO in 2012.
Spy Cave is located in Wallonia near Spy in the municipality of Jemeppe-sur-Sambre, Namur Province, Belgium above the left bank of the Orneau River. Classified as a premier Heritage site of the Walloon Region, the location ranks among the most significant paleolithic sites in Europe. The cave consists of numerous small chambers and corridors.
Feldhofer 1 or Neanderthal 1 is the scientific name of the 40,000-year-old type specimen fossil of the species Homo neanderthalensis, discovered in August 1856 in a German cave, the Kleine Feldhofer Grotte, in the Neandertal valley, 13 km (8.1 mi) east of Düsseldorf. In 1864, the fossil's description was first published in a scientific magazine and officially named.
Jebel Irhoud or Adrar n Ighoud, is an archaeological site located just north of the locality known as Tlet Ighoud, approximately 50 km (30 mi) south-east of the city of Safi in Morocco. It is noted for the hominin fossils that have been found there since the discovery of the site in 1960. Originally thought to be Neanderthals, the specimens have since been assigned to Homo sapiens and, as reported in 2017, have been dated to roughly 300,000 years ago.
Paleolithic Europe, or Old Stone Age Europe, encompasses the Paleolithic or Old Stone Age in Europe from the arrival of the first archaic humans, about 1.4 million years ago until the beginning of the Mesolithic around 10,000 years ago. This period thus covers over 99% of the total human presence on the European continent. The early arrival and disappearance of Homo erectus and Homo heidelbergensis, the appearance, complete evolution and eventual demise of Homo neanderthalensis and the immigration and successful settlement of Homo sapiens all have taken place during the European Paleolithic.
Jean-Jacques Hublin is a French paleoanthropologist. He is a professor at the Max Planck Society, Leiden University and the University of Leipzig and the founder and director of the Department of Human Evolution at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. He is best known for his work on the Pleistocene hominins, and on the Neandertals and early Homo sapiens, in particular.
Neanderthals, also written as Neandertals, are an extinct species or subspecies of archaic humans who lived in Eurasia until about 40,000 years ago. The type specimen, Neanderthal 1, was found in 1856 in the Neander Valley in present-day Germany.
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The Grotta del Cavallo or Cavallo Cave is a limestone cave in the region of Apulia, Southern Italy, near Nardò 90 km (55.92 mi) south of Taranto. The cave is about 15 m (49 ft) above present sea level. It has a rounded entrance, 5 m (16.40 ft) wide and 2.5 m (8.20 ft) high opening toward the sea. The cave was rediscovered in 1960 and two waves of excavations ensued. The first wave spanning from 1963 to 1966 and the second from 1986 to 2008. The cave was disturbed by looters during the period between the two waves of excavations, damaging the layers corresponding to the Upper Palaeolithic; because of this, the cave entrance is covered by a gate and is closed to the public.
The Obi-Rakhmat Grotto is a Middle Paleolithic prehistoric site that yielded Neanderthal fossils. It is a shallow karst cave near the junction of the Chatkal and Pskem Rivers at the southwestern end of the Talassky Alatau Range in the Tien Shan Mountains, 100 km (62 mi) northeast of Tashkent, Uzbekistan.
Trou de l’Abîme also known as La caverne de l'Abîme and Couvin Cave is a karst cave located in Wallonia on the right bank of the Eau Noire river in the center of Couvin, Belgium, in Namur province. During various archaeological excavations of sediment deposits, Mousterian artefacts and a Neanderthal molar were discovered.
The diet of known human ancestors varies dramatically over time. Strictly speaking, according to evolutionary anthropologists and archaeologists, there is not a single hominin Paleolithic diet. The Paleolithic covers roughly 2.8 million years, concurrent with the Pleistocene, and includes multiple human ancestors with their own evolutionary and technological adaptations living in a wide variety of environments. This fact with the difficulty of finding conclusive of evidence often makes broad generalizations of the earlier human diets very difficult. Our pre-hominin primate ancestors were broadly herbivorous, relying on either foliage or fruits and nuts and the shift in dietary breadth during the Paleolithic is often considered a critical point in hominin evolution. A generalization between Paleolithic diets of the various human ancestors that many anthropologists do make is that they are all to one degree or another omnivorous and are inextricably linked with tool use and new technologies. Nonetheless, according to the California Academy of Sciences, "Prior to about 3.5 million years ago, early humans dined almost exclusively on leaves and fruits from trees, shrubs, and herbs—similar to modern-day gorillas and chimpanzees."