The Archaeology of the Archaic Periods in East Texas [PDF]
, 2016 The archaeology of the Archaic periods—Early, ca. 10,000–8000 years B.P., Middle, ca. 8000–5000 years B.P., and Late, ca. 5000–2500 years B.P.—in East Texas is not well understood in broad terms, although valuable information on the archaeological ...
Perttula, Timothy K.
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New Results From the Pre‐Pottery Neolithic Site of Al Uyaynah, Tabuk, in Northwestern Saudi Arabia
Arabian Archaeology and Epigraphy, EarlyView.ABSTRACT Al Uyaynah is a low sandstone mound on an alluvial plain, long known for its extensive surface remains of stone‐built circular and rectangular structures. Following test excavations in 2012, more detailed excavation was undertaken in 2016 within one of the largest rectangular stone structures.
Khalid Alasmari +6 more
wiley +1 more source
Les industries lithiques énéolithiques de la Dobroudja du Nord
Materiale și Cercetări Arheologice, 2017 The archaeological mission « Delta du Danube » is studying for more than six years the coevolution human-environment in the Danube Delta at the end of the Neolithic.
Furestier, R. +5 more
doaj +1 more source
Journal of Lithic Studies, 2016 Over the last few decades it has been shown that Scotland was settled – or at least occasionally visited – during the late Upper Palaeolithic period. The finds include diagnostic artefacts of Hamburgian, Federmesser and Ahrensburgian typology, but since ...
Torben Bjarke Ballin +1 more
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Certain Caddo Sites in the Ouachita Mountains of Southwestern Arkansas [PDF]
, 2004 In the last few years, we have had the opportunity to study a number of prehistoric Caddo Indian sites in the Ouachita Mountains of southwestern Arkansas through conducting archeological surveys of more than 2700 acres at three lakes constructed and ...
Nelson, Bo, Perttula, Timothy K.
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Lithic analysis in African archaeology: Advances and key themes
Archaeometry, EarlyView.Abstract Stone artifacts (lithics) preserve for extended periods; thus they are key evidence for probing the evolution of human technological behaviors. Africa boasts the oldest record of stone artifacts, spanning 3.3 Ma, rare instances of ethnographic stone tool‐making, and stone tool archives from diverse ecological settings, making it an anchor for ...
Deborah I. Olszewski +2 more
wiley +1 more source
Physical and mechanical characterization of the soft pyroclastic rocks forming the Orvieto cliff [PDF]
, 2002 The paper describes the results of laboratory and in situ investigations carried out on weak pyroclastic materials which could be encountered during engineering activities in volcanic regions.
RIBACCHI, Renato +2 more
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Provenance and geochemistry of exotic clasts in conglomerates of the Oligocene Torehina Formation, Coromandel Peninsula, New Zealand [PDF]
, 2003 Non-marine pebble to cobble conglomerates of the lower Torehina Formation (Oligocene) crop out along western Coromandel Peninsula and overlie, with strong angular discordance, continental-margin metasedimentary rocks (Manaia Hill Group) of Mesozoic (Late
Baker C. K. +19 more
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Archaeometry, EarlyView.Abstract The use of stone hammers to produce sharp stone flakes—knapping—is thought to represent a significant stage in hominin technological evolution because it facilitated the exploitation of novel resources, including meat obtained from medium‐to‐large‐sized vertebrates. The invention of knapping may have occurred via an additive (i.e., cumulative)
Metin I. Eren +23 more
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A Geologic Si‐O‐C Pathway to Incorporate Carbon in Silicates
Geophysical Monograph Series, Page 47-54., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Alexandra Navrotsky +2 more
wiley +1 more source