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  1. Home

Spencer, Jon

Click the image to see the original photo at maximum resolution (potentially large files). Click the title to see a full description, geolocation, and more.

Photos 1 - 24 of 24
Alternating sandstone and conglomerate
Macroscopic view of mylonized shear zone
Rawhide detachment fault
Mylonitic shear in quartz vein, Rawhide Mountains, Arizona
Clara Peak, Buckskin Mountain, western Arizona
Tilted siltstones and Lincoln Ranch reverse fault, Buckskin Mountains, western Arizona
Barnes metaconglomerate (puddingstone)
Marble tectonite in Sosa Canyon
Mylonitic gneiss in Rawhide Mountains, western Arizona
Upside-down rock - Glance Conglomerate
Sand & gravel builds Arizona
Mounds of crushed quartzite, Chino Valley, central Arizona
Banded gneiss on the Catalina Highway
Mapping in the Harcuvar of west-central Arizona
Rock exposed along the Bill Williams River
Headframe of the Tiger Mine, San Manuel, Arizona
Mylonitic gneiss of the Rawhide Mountains
Southwest North America core-complex belt
Manganese oxide deposit, Artillery Mountains, W Arizona
Gold-bearing conglomerate from the Gila Mountains
Lineations in granite of the Santa Catalina Mountains
Arizona Rocks Postcard #11 - Oracle Granite
Serpentinite dike
Oceanic peridotite at Cemetery Ridge, Arizona
Geologists at Cemetery Ridge
Geologists examining Orocopia Schist of Cemetery Rock

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