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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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East Africa
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Djibouti (1)
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Ethiopia (1)
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Ethiopian Rift (1)
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Asia
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Western Europe
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France
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Indian Ocean
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North America
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commodities
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elements, isotopes
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carbon
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hydrogen
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isotopes
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radioactive isotopes
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stable isotopes
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metals
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thorium
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uranium
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lead (1)
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fossils
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Teleostei (1)
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Primates
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Proboscidea
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coprolites (2)
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igneous rocks
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igneous rocks
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minerals
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carbonates
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calcite (1)
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Primary terms
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absolute age (5)
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Africa
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East Africa
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Djibouti (1)
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Ethiopia (1)
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Ethiopian Rift (1)
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Asia
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Arabian Peninsula
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Rub' al Khali (1)
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Indian Peninsula
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India (1)
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Middle East
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Australasia
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Australia (2)
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biogeography (4)
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carbon
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upper Pleistocene (4)
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upper Quaternary (1)
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Stone Age
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middle Paleolithic (1)
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Chordata
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Vertebrata
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Pisces
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Osteichthyes
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Actinopterygii
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Teleostei (1)
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-
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Tetrapoda
-
Mammalia
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Theria
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Eutheria
-
Artiodactyla
-
Hippopotamidae
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Hippopotamus (1)
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-
Ruminantia
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Bovidae (1)
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Giraffidae (1)
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Suiformes
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Suidae (1)
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-
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Perissodactyla
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Ceratomorpha
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Rhinocerotidae (1)
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Hippomorpha
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Equidae
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Equus (1)
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Primates
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Hominidae
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Australopithecinae
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Australopithecus
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Australopithecus africanus (1)
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Homo
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Homo erectus (5)
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Homo sapiens neanderthalensis (7)
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Homo sapiens sapiens (3)
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Proboscidea
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Elephantidae (1)
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climate change (4)
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Europe
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Germany (1)
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Hungary (1)
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Southern Europe
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Iberian Peninsula
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Gibraltar (1)
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Spain (2)
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Italy
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Campania Italy
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Phlegraean Fields (1)
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Sicily Italy (1)
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Strait of Messina (1)
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Western Europe
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France
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Charente France (1)
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United Kingdom
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Great Britain
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England
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London England (1)
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faults (1)
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geochronology (2)
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geophysical methods (1)
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hydrogen
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ichnofossils (1)
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igneous rocks
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volcanic rocks
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pyroclastics
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ignimbrite (1)
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Indian Ocean
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Arabian Sea
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Gulf of Aden (1)
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Invertebrata
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Gastropoda (1)
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isostasy (1)
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isotopes
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radioactive isotopes
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C-14 (3)
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Pa-231 (1)
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stable isotopes
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marine geology (1)
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metals
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lead (1)
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water resources (1)
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sedimentary rocks
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sedimentary rocks
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carbonate rocks
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clastic rocks (1)
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sedimentary structures
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coprolites (2)
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sedimentary structures
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bioturbation (1)
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primary structures (1)
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sediments
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sediments
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marine sediments (1)
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Homo sapiens
Abstract Social development and rapid growth in the world's population has followed a remarkable technological development the past hundred years. Revolutions in agriculture and industry, medical innovations and new production technologies, have led to an increased standard of living for a larger part of the Earth's population. Megatrends for future developments are lining up and predictions for the next 40 years are numerous. Most ideas about our future societies imply new and innovative geo-scientific achievements. Towards 2058, we will have virtually surveyed and mapped every corner of the Earth. We will have detailed 3D images of the urbanized areas, and 4D models to assist to make reliable forecasts in a world of increased pressure on the natural resources and changing ecosystems. By 2058 the Green Stone Age is established, and we will use all elements in the periodic system and more rare minerals to support new materials and technological solutions. The major energy supplies will be CO 2 free. The agriculture will be more efficient, distribution and consumption of food will be more rational, and we will harvest from more marine food chains than today. More than 70% of the people on Earth will live in megacities and urban areas. Our cities will become smarter and greener, cars and public transport will be self-driving and autonomous tools using artificial intelligence to automate functions previously performed by humans. Substantial resources will be used to repair damaged ecosystems, and most important, we will use materials and products that have fewer negative consequences for the environment. The 17 UN goals for sustainable development are guidelines into the future, and geological surveys should serve as key instruments in the transformation into smarter and more sustainable societies. We are already on our way providing critical minerals for low carbon energy solutions, marine knowledge for blue growth, plans for green and smarter cities, and advanced digitalization for public services, as shown by examples in this present paper.
Depositional processes and environmental settings in rock shelters: the case of the prehistoric Oscurusciuto site (Southern Italy)
Dietary items in Early to Late Holocene human coprolites from Paisley Caves, Oregon, USA
A climatic context for the out-of-Africa migration: COMMENT
CUSTODIAN OF THE GIBRALTAR SKULL: THE HISTORY OF THE GIBRALTAR SCIENTIFIC SOCIETY
Timelines for Human Evolution and Dispersals
Seeing Snails in a New Light
A climatic context for the out-of-Africa migration
Timing of the emergence of the Europe–Sicily bridge (40–17 cal ka BP) and its implications for the spread of modern humans
Abstract The submerged sill in the Strait of Messina, which is located today at a minimum depth of 81 m below sea level (bsl), represents the only land connection between Sicily and mainland Italy (and thus Europe) during the last lowstand when the sea level locally stood at about 126 m bsl. Today, the sea crossing to Sicily, although it is less than 4 km at the narrowest point, faces hazardous sea conditions, made famous by the myth of Scylla and Charybdis. Through a multidisciplinary research project, we document the timing and mode of emergence of this land connection during the last 40 kyr. The integrated analysis takes into consideration morphobathymetric and lithological data, and relative sea-level change (both isostatic and tectonic), resulting in the hypothesis that a continental land bridge lasted for at least 500 years between 21.5 and 20 cal ka BP. The emergence may have occurred over an even longer time span if one allows for seafloor erosion by marine currents that have lowered the seabed since the Last Glacial Maximum (LGM). Modelling of palaeotidal velocities shows that sea crossings when sea level was lower than present would have faced even stronger and more hazardous sea currents than today, supporting the hypothesis that earliest human entry into Sicily most probably took place on foot during the period when the sill emerged as dry land. This hypothesis is compared with an analysis of Pleistocene vertebrate faunas in Sicily and mainland Italy, including a new radiocarbon date on bone collagen of an Equus hydruntinus specimen from Grotta di San Teodoro (23–21 cal ka BP), the dispersal abilities of the various animal species involved, particularly their swimming abilities, and the Palaeolithic archaeological record, all of which support the hypothesis of a relatively late land-based colonization of Sicily by Homo sapiens .
Campanian Ignimbrite volcanism, climate, and the final decline of the Neanderthals
Humid periods in southern Arabia: Windows of opportunity for modern human dispersal
Diachronous dawn of Africa's Middle Stone Age: New 40 Ar/ 39 Ar ages from the Ethiopian Rift
Disparity, adaptation, exaptation, bookkeeping, and contingency at the genome level
U-series Dating and Human Evolution
Radiographically opaque bones from lead-lined coffins at Christ Church, Spitalfields, London; an extreme example of bone diagenesis
Archaeochronology seeks to establish absolute or relative dates for archaeological or paleoanthropological events. Therein, the scale, or the temporal resolution attainable, changes dramatically over the total time for human cultural and biological evolution. For radiometrically based dating methods, the half life (half lives) isotopic abundances, and contamination limit the intrinsic dating range, whereas factors, such as radiation dose, saturation effects, diffusivity, and chemical rates, limit other absolute archaeochronometers. As technology improves, however, precision usually increases, while the intrinsic dating limit can often be extended, thereby enhancing the scale. Even were the dating methods significantly more precise, contamination or sample degradation often further restrict a method’s utility, while the number of sites preserved diminishes the older they are. Moreover, the archaeological “distinctiveness” decreases, perhaps due to the imprecision in the dating methods, but possibly, because the tempo in human cultural and biological evolution has incrased exponentially. Increasingly finer archaeochronological scales have significantly altered archaeological paradigms, in all phases of hominid biological and cultural evolution from African Australopithecus’ skeletons to North American Homo sapiens sapiens’ longhouses. While multiple concordant dates may resolve the dating problem presented by a single method, often sample instability affects all the applicable methods. Frequently, relative methods can constrain the absolute date. The accuracy for any new method or a new application to different sample materials must be rigorously tested under controlled conditions for concordancy with other established methods. Concordancy tests, intra-and intersite correlation all require extensive knowledge about the inherent limitations in the different methods. Ultimately, it rests with the archaeologist to thoroughly understand those limitations, and the archaeochronologist to fully understand the archaeological problems.