Results 1 to 10 of about 26,050 (205)
Obsidian forms by slow cooling [PDF]
Nature CommunicationsObsidian is a natural glass that is a common product of silicic volcanic eruptions. It has been prized throughout human history for its glassy nature, finding use in tools, weapons and ornaments, and in ritual and spiritual practice. The absence of large
E. W. Llewellin +12 more
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Circulación, intercambio y uso de obsidianas en la costa de la provincia del Chubut (Patagonia argentina), durante el Holoceno tardío [PDF]
Intersecciones en Antropología, 2005 Se presentan los resultados de un nuevo análisis de elementos traza en 26 artefactos de 19 sitios arqueológicos de la costa de la provincia del Chubut. Dieciocho sitios son del sector norte, entre las desembocaduras del Arroyo Verde y del río Chubut y el
Julieta Gómez Otero, Charles R. Stern
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The obsidian mirror The obsidian mirror
Ilha do Desterro, 2008 The author James Norman is an American who has always lived in Mexico during the summer. He seems to love Mexican - Indian traditions and he is well acquainted with the pre-historic culture as it is shown in his book: "The Obsidian Mirror". "The Obsidian
Maria do Socorro Reis Amorin
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, 2022 This chapter examines how the obsidian craters just east of the Sierra Nevada mountain range erupted in the last few millennia, some in recent centuries. Obsidian, because it lacks the constraints imposed by an internal molecular order, can in fact be flaked into tools with edges that are many times sharper than a razor blade. In the Sierra Nevada, the
Richard J. Nevle +2 more
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The origin and exchange of obsidian from Vinča-Belo Brdo [PDF]
Starinar, 2008 Since the time of the revolutionary characterization of obsidian in the 1960's only a small number of artefacts from the Serbian sites have been analyzed, of which at least seven samples come from the site of Vinča. These results showed that obsidian was
Tripković Boban, Milić Marina
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Expanded obsidian as a soil aerator, its porosity, physical and mechanical characteristics [PDF]
E3S Web of Conferences, 2020 Today, the decline in soil fertility progress, therefore, special attention paid to the search for new, including non-traditional sources of raw materials that allow cultivating agricultural crops. It is propose to use expanded obsidian as a soil aerator.
Safaryan Artsruni +4 more
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Central Oregon obsidian from a submerged early Holocene archaeological site beneath Lake Huron.
PLoS ONE, 2021 Obsidian, originating from the Rocky Mountains and the West, was an exotic exchange commodity in Eastern North America that was often deposited in elaborate caches and burials associated with Middle Woodland era Hopewell and later complexes.
John M O'Shea +6 more
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Open Archaeology, 2020 Pliny the Elder testifies that roman workshops used volcanic glass (obsidian), but also produced and used a dark glass (obsidian-like glass) quite similar to the natural one.
Cantone Valentina +3 more
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Elemental, isotopic, and geochronological variability in Mogollon-Datil volcanic province archaeological obsidian, southwestern USA: Solving issues of intersource discrimination [PDF]
, 2017 Solving issues of intersource discrimination in archaeological obsidian is a recurring problem in geoarchaeological investigation, particularly since the number of known sources of archaeological obsidian worldwide has grown nearly exponentially in the ...
Morgan, L, Pyle, D, Shackley, MS
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Archaeological data on obsidian exchange in Northern Mesopotamia in IV–III mill. BC.
Вестник археологии, антропологии и этнографии, 2016 The article deals with a range of questions concerning obsidian exchange in settlements of Northern Mesopotamia. The chronological framework includes IV and III mill. BC (from Late Ubaid to Akkadian Periods). The first part presents the state of research
Ibragimova E.R.
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