Add to ORKGMineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amphibole, Biotite; Olivine, Pyroxene Texture (extrusive/intrusive): Extrusive; Glassy Other distinctive properties: Dark green to brown to black; Produced from rapidly cooled felsic lava%value%value%valu
AbstractAlteration experiments of obsidian (from Osham Hill, Gujarat, India) were performed under hy...
Evaluation of differences in minor-element composition between coexisting obsidian, per-lite, and fe...
Obsidian is a volcanic glass which is generally black, sometimes grey, brown, red or green in colour...
Mineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Pl...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Felsic and Intermediate; Muscovite, Quartz, Potassium Feldspar, Plagiocla...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
The article of record as published may be found at http://dx.doi.org/10.1017/S1431927616009910Obsidi...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Mostly visible crystals of amphibole Texture (grain size, shape,...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Obsidian Site (4.53) stone. Reddish brown sandstone cobble (Cat 05); green amphibolite; grey core; p...
Among the rocks used to produce heat-insulating and acoustic building materials, volcanic water-cont...
Color poster with text, images, maps, and graphs (Spring 2009)Supervolcano eruptions represent some ...
AbstractAlteration experiments of obsidian (from Osham Hill, Gujarat, India) were performed under hy...
Evaluation of differences in minor-element composition between coexisting obsidian, per-lite, and fe...
Obsidian is a volcanic glass which is generally black, sometimes grey, brown, red or green in colour...
Mineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Pl...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Felsic and Intermediate; Muscovite, Quartz, Potassium Feldspar, Plagiocla...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
The article of record as published may be found at http://dx.doi.org/10.1017/S1431927616009910Obsidi...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Mostly visible crystals of amphibole Texture (grain size, shape,...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Obsidian Site (4.53) stone. Reddish brown sandstone cobble (Cat 05); green amphibolite; grey core; p...
Among the rocks used to produce heat-insulating and acoustic building materials, volcanic water-cont...
Color poster with text, images, maps, and graphs (Spring 2009)Supervolcano eruptions represent some ...
AbstractAlteration experiments of obsidian (from Osham Hill, Gujarat, India) were performed under hy...
Evaluation of differences in minor-element composition between coexisting obsidian, per-lite, and fe...
Obsidian is a volcanic glass which is generally black, sometimes grey, brown, red or green in colour...