Chemical alteration of tephra in the dep
β
A. M. Pollard; S. P. E. Blockley; K. R. Ward
π
Article
π
2003
π
John Wiley and Sons
π
English
β 234 KB
## Abstract The study of the chemical stability of vitreous material in aqueous media is wellβestablished. There has to date been little consideration of the implications of variations in the chemical durability of tephra in Quaternary tephrochronology. Chemical alteration can take the form of cati