Of what material is Uluru made? Ayers Rock is a monolith of a terracotta-coloured arkose sandstone. Arkose is a term used to describe an arenaceous rock – that is one which is sandy or sand like ...

It was once believed to be a meteorite, but later geologists judged it a monolith — a single solid piece of 700-million-year-old arkrose, a kind of sandstone. Uluru is likely two-thirds buried ...

Gravity, not glue, allows towering sandstone pillars and arches to withstand howling wind and pouring rain, researchers propose July 20 in Nature Geoscience. Sandstone forms when tiny sand grains ...

The iconic red sandstone used to build the Smithsonian Castle, one of Washington’s most recognizable buildings, was quarried by slaves, including some who were once most likely owned by Martha ...

The gorgeous sandstone arches there seem almost impossible. How and why should the relentlessly erosive wind carve such a fantastic structure? The arches seem too vulnerable, too artificial.

Sandstone is everywhere in the Silver State, and so was the sand that produced it. For millions of years, much of what is now Nevada was collecting sediment at the bottom of an early Mesozoic ocean.

MEDINA, Ohio – Last month Service Director Nino Piccoli expressed a need to replace sandstone slabs in Medina’s historic district with concrete as these areas have created a tripping hazard in ...