Abstract In this study, nine volcanic tuffs from Armenia, Germany and Mexico were treated with two commercially available consolidants on base of silicic acid ester, as well different pretreatments an anti-swelling agent and/or primer components. Prior to the treatment, analyzed regarding their petrography mineralogy, a greater focus clay mineral content. The effect consolidation was evaluated ...

Volcanic rocks in the Miramichi inlier Maine occur two areas separated by Bottle Lake plutonic complex: Danforth segment (Stetson Mountain Formation) north of complex and Greenfield to south (Olamon Stream Formation). Both suites are dominantly pyroclastic, with abundant andesite, dacite, rhyolite tuffs subordinate lavas, breccias, agglomerates. Rare basaltic a small area tuffs, agglomerates, l...

Abstract Arucas Stone ( Piedra de ) is a welded tuff quarried in the town of Arucas, on island Gran Canaria Canary Archipelago. This rock has been for centuries, not only building but also many other purposes, such as manufacturing water cisterns or conduits, and especially carving. The quarrying economic activity related to this stone have profoundly shaped history economy city terms extractio...