Meanings of weld tuff in English

The stone was technically welded tuff, but clearly not baked in the same volcanic oven.

However, I did get a great snap of a welded tuff on the road outside of Shoshone, CA.

It has a large collection of difficult sport climbs, but the volcanic welded tuff provides plenty of easier to moderate trad routes as well.

In addition to establishing new lines on Smith's soft welded tuff cliffs, he's been replacing hardware on some of the area's most worn routes.