A pyroclastic rock in which glassy clastshave been fused by the combination of the heat retained by the clasts,the weight of overlying material, and hot gases.
Trouvé sur https://www.encyclopedie.fr/local/298
Aucun résultat n’a été trouvé dans l’encyclopédie.
A pyroclastic rock in which glassy clastshave been fused by the combination of the heat retained by the clasts,the weight of overlying material, and hot gases.