volcanic tuff वाक्य

The wooden frame works of the top floor and staircase were added, decorated with popular motifs and decorations of Dej volcanic tuff stone were created.
She discovered a cluster of stone tools eroding out of a volcanic tuff, an ash layer from an ancient eruption that filled a small paleochannel.
Three deep canyons are located in the park, cut through the volcanic tuff of the Yellowstone Plateau by rivers over the last 640, 000 years.
Has a particular geological origin : ash, lava and volcanic tuff resulting from the Vesuvius formed the substrate on which it was formed on local soil.
The terrace and the ramps were faced with large volcanic tuff blocks similar to, but larger than, those used to build the base of Structure 3.

The Western Mexico shaft tombs are characterized by a vertical or nearly vertical shaft, dug 3 to 20 metres down into what is often underlying volcanic tuff.
The Greeks used volcanic tuff from the island of Thera as their pozzolan and the Romans used crushed volcanic ash ( activated aluminium silicates ) with lime.
Subsequent ashfall from eruptions in the Cascade Range in the late Miocene contributed to the Mascall Strata, layers of stream-deposited volcanic tuffs laid atop the Picture Gorge Basalt.
The island is the remnant of a 700, 000 & # 8209; year & # 8209; old volcano, mostly made of volcanic tuff, forming a massive rock fortress.
The Slumgullion Slide began about 700 years ago when weak volcanic tuff and breccia on the southern flank of Mesa Seco slumped several miles down the steep mountainside.