Aboriginal paintings in rock shelter in quartzite cliff, Ubirr Rocks, Kakadu National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Wandjina art form of contact art found in quartzite sandstone cliffs on Bigge Island, Kimberley, Western Australia, Australia, Pacific

Wandjina art form of Kaiara, a mouthless spirit in the cloud, quartzite sandstone, Bigge Island, Kimberley, Western Australia, Australia, Pacific

Wandjina art form of hands found in quartzite sandstone cliffs on Bigge Island, Kimberley, Western Australia, Australia, Pacific

Looking towards the Assynt hills taken from Eididh nan Clach Geala, Highlands, Scotland, UK, with large quartz boulders in the foreground.

The peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

The peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

The peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

The peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

Quartzite Boulder Pile and Pond, Jasper National Park, Alberta