Results 81 to 90 of about 10,057 (205)

Social network analysis of obsidian artefacts and Māori interaction in northern Aotearoa New Zealand.

open access: yesPLoS ONE, 2019
Over the span of some 700 years the colonizing populations of Aotearoa New Zealand grew, with subsequent changes in levels of interaction and social affiliation.
Thegn N Ladefoged   +6 more
doaj   +1 more source

Chlorine to sodium ratio as an empiral geochemical estimator of obsidian aging

open access: yes
This work is an extension of previous research in which we successfully tested the effectiveness of chlorine (Cl) versus sodium (Na) diagrams to unambiguously identify the provenance of obsidian artifacts attributable to Italian outcrops widely ...
Foresta Martin, Franco   +3 more
core   +1 more source

Obsidian Exploitation Strategies in the Middle and Upper Paleolithic of the Northern Caucasus: New Data from Mesmaiskaya Cave

open access: yesPaleoAnthropology, 2014
This paper is the first comprehensive study of obsidian exploitation in the Middle, Upper, and Epipaleolithic in the Northern Caucasus. The authors analyzed 528 obsidian artifacts from Mezmaiskaya Cave (Northwestern Cau-casus, Russia) and characterized ...
Ekaterina V. Doronicheva and M. Steven Shackley
doaj  

Gouge stability controlled by temperature elevation and obsidian addition in basaltic faults and implications for moonquakes

open access: yesInternational Journal of Mining Science and Technology
Basalt is a major component of the earth and moon crust. Mineral composition and temperature influence frictional instability and thus the potential for seismicity on basaltic faults. We performed velocity-stepping shear experiments on basalt gouges at a
Shutian Cao   +6 more
doaj   +1 more source

The Techniques of Obsidian Treatment on the Malice Culture Settlement of Targowisko 11, Lesser Poland

open access: yesPrzegląd Archeologiczny, 2010
This article is devoted to the obsidian inventory from Targowisko 11 site associated with the Malice settlement. The years of research on this site resulted in the discovery of a very rich complex of obsidian debitage, consisting of several dozen ...
Jarosław Wilczyński
doaj  

L'eta' dell'ossidiana di Pantelleria

open access: yesAtti della Accademia Peloritana dei Pericolanti : Classe di Scienze Fisiche, Matematiche e Naturali, 2007
Obsidian is a volcanic glass which was highly prized in prehistoric times. Since its chemical composition depends on the local characteristics of the lava flow, several analytical methods have been employed to establish the provenance of the obsidian ...
Rapisarda, Massimo
doaj   +1 more source

Obsidian

open access: yes, 1919
Spm. 56-4-1-99. Obsidian.

core  

Obsidian provenance at the Neolithic settlement of Toyretepe in the Middle Kura Valley, Azerbaijan

open access: yesDocumenta Praehistorica
This study presents the provenance analysis of obsidian artefacts excavated from Toyretepe, a Neolithic site located in the Ganja-Gazakh plain of western Azerbaijan.
Yoshihiro Nishiaki   +2 more
doaj   +1 more source

Black Rocks in the Borderlands: Obsidian Procurement in Southwestern New Mexico and Northwestern Chihuahua, Mexico, A.D. 1000 to 1450 [PDF]

open access: yes, 2016
Over the past 50 years, geochemical characterization studies of obsidian artifacts from archaeological sites around the world have become an important way to examine long- and short-distance social interactions and procurement practices through time and ...
Dolan, Sean
core  

88th Annual Meeting of the Meteoritical Society 2026: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 61, Issue S1, Page S48-S551, August 2026.
wiley   +1 more source

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