Luminescent, structural and mechanical properties of erbium oxide doped natural obsidian glasses
In this study, natural volcanic Obsidian glass doped with Er 2 O 3 (0.5, 1, 3, 5, and 10 wt.%)
were prepared by melt quenching method, and the physical, structural, and mechanical …
were prepared by melt quenching method, and the physical, structural, and mechanical …
Obsidian hydration dating by infrared spectroscopy: method and calibration
CM Stevenson, SW Novak - Journal of Archaeological Science, 2011 - Elsevier
Abstract Low temperature (90–190° C) hydrothermal experiments have been conducted on
seven obsidians where composition of the glass varies significantly in the concentration of …
seven obsidians where composition of the glass varies significantly in the concentration of …
Ion beam microanalysis in geoscience research
CG Ryan - Nuclear Instruments and Methods in Physics Research …, 2004 - Elsevier
Geological samples are complex materials, which often involve intricate textures of
crystalline and amorphous components. Inclusions may preserve samples of melts and …
crystalline and amorphous components. Inclusions may preserve samples of melts and …
Comparative geochemical studies of obsidian samples from various localities
Obsidian samples from different localities of various geologic settings (Armenia, Hungary,
Iceland, Mexico, Slovakia and Turkey) were analyzed by particle induced gamma-ray …
Iceland, Mexico, Slovakia and Turkey) were analyzed by particle induced gamma-ray …
Petrogeochemical approaches to the characterization of obsidian derived from Nychia area (Milos Island, Greece) using combined methods
In this study obsidian samples from “Nychia” area of Milos Island (Greece) have been
analyzed and characterized with various analytical techniques including polarizing …
analyzed and characterized with various analytical techniques including polarizing …
A pre-Columbian obsidian trade from secondary fluvial sources supported by new geochemical data from the Alto Coca Reserve and Sumaco sites (Napo Province …
New obsidian samples (fragments of pebbles and flakes), mixed with ceramic sherds, were
found in 10–25 cm cm deep excavations in the Alto Coca Reserve (Napo Province …
found in 10–25 cm cm deep excavations in the Alto Coca Reserve (Napo Province …
A savanyú vulkanizmus fáciestani vizsgálata ÉK-Magyarországon
J Szepesi - 2009 - search.proquest.com
Az ásványos alkotók mennyiségének meghatározásakor hagyományos vonalmenti
méréseket (JÁRAI ET AL 1993) és kiértékelést (MACALC program ALMÁSI ET AL. 2006) …
méréseket (JÁRAI ET AL 1993) és kiértékelést (MACALC program ALMÁSI ET AL. 2006) …
[PDF][PDF] Two-pyroxene geothermometer by using micro-PIXE data
Rock-forming pyroxene phenocrystals from two andesite localities regarded as remnants of
ancient lava flows in the southeastern part of the Tokaj Mountains near Sárospatak town (NE …
ancient lava flows in the southeastern part of the Tokaj Mountains near Sárospatak town (NE …
The tokaz mts. obsidian-it's use in prehistory and present application
D Hovorka - Επιστημονική Επετηρίδα του Τμήματος Γεωλογίας …, 2010 - geolib.geo.auth.gr
Homogeneous acid volcanic glass of low water content has been an object of human
attention since the prehistory. There exist archaeological evidences dealing with the use of …
attention since the prehistory. There exist archaeological evidences dealing with the use of …
[PDF][PDF] GEOLOGY OF TOKAJ MOUNTAINS OBSIDIANS•
ATHO GEOLÓGIÁJA - researchgate.net
Tokaj Mountains (TM) is well known for the occurrence of the Carpathian Obsidian. This
paper presents a general stratigraphy, geochronology and lithology framework for Miocene …
paper presents a general stratigraphy, geochronology and lithology framework for Miocene …