manilatimes48m
Liberty Star Chief Geologist Jim Bryce & Director Gerardo King Interviewed by Steve Darling of Proactive Investors Limited
The interview with Liberty Star's Chief Geologist covers the last few months of channel sampling results at the Red Rock ...
PBS5y
Geology of the Grand Canyon
The Canyon is a Book of Revelations in the rock-leaved Bible of geology. - John Wesley Powell ... The Supai Group, consisting of deep-red siltstone, limestone, and sandstone, is 600 to 700 ...