n.a kind of natural glass produced when molten lava cools very rapidly

Volcanic glass
Volcanic glass
Volcanic Glass
Tachylite
Geol . 655 Isotope Geochemistry Spring 2009 F ISSON T RACK D ATING & A NALYTICAL Geol . 655 Isotope Geochemistry
Glass: The Geologic Connection
Transantarctic Mountain microtektites: Geochemical affinity with Australasian microtektites
Tektite
Submarine volcanic morphology of the western Galápagos based on EM300 bathymetry and MR1 side‐scan sonar
Reconnaissance earthquake studies at nine volcanic areas of the central Andes with coincident satellite thermal and InSAR observations
A Late Permian permineralized plant assemblage in volcaniclastic tuffs from the Xuanwei Formation, Guizhou Province, China
Geochemistry and Tectonics of the Crescent Volcanic Rocks, Olympic Peninsula, Washington
An Upper Permian permineralized plant assemblage in volcaniclastic tuff from the Xuanwei Formation, Guizhou Province, southern China...