*Field View High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Upper Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Petrified Wood Impression High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
*Field View High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Late Cretaceous Formation: Hilton Ranch Conglomerate | |
Phylum: Mollusca Class: Bivalvia (Pelecypoda) Bivalve Packstone High Resolution Image Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Phylum: Mollusca Class: Bivalvia (Pelecypoda) Bivalve Packstone High Resolution Image Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon | |
Phylum: Mollusca Class: Gastropoda Gastropod Location: Empire Mountains Age: Early Cretaceous Formation: Shellenberger Canyon High Resolution Image | |
*Field View High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Apache Canyon | |
*Field View High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Apache Canyon | |
Fossilized Algae Mats High Resolution Image Age: Cretaceous Location: Empire Mountains Age: Early Cretaceous Formation: Apache Canyon |
* THE GEOLOGY OF THE EMPIRE MOUNTAINS AND VICINIT Y , PIMA COUNTY, ARIZONA - W W Tyrrell (1957).