Cardenas Basalt
Top View
- Distribution of Proterozoic Hydrocarbon Source Rock In
- Discordant Potassium-Argon Model and Isochron “Ages” for Cardenas Basalt (Middle Proterozoic) and Associated Diabase of Eastern Grand Canyon, Arizona
- Layers of the Grand Canyon
- Prez Blurb …Is Published More Or Less Quarterly by and for Grand Canyon River Guides
- Grand Canyon Models for Colorado GEOSPHERE, V
- The Grand Canyon Adventure – Part Two Paul Garner
- Radioisotopes and the Age of the Earth
- Grand Canyon National Park GRI Poster