A history of the Christmas Mine, Gila County, Arizona

AZGS Newsletter Winter 2020-2021.

Arizona Geological Society 2021 presentation series began on 14 Jan. with Jan Rasmussen and Stan Keith of MagmaChem.Org discussing their “Magma Metal Series”.

Examining an iron oxide, agate, quartz crystal concretion.

The AZGS welcomes two seasoned geologists to its staff, Victor Garcia and Lisa Thompson

Courtland-Gleeson area with 113 drill holes representing 25,935 m (85,087 feet or 16.1 miles) including lithology, mineralization, alteration, structure, and assay data.

Reconnaissance study of mylonitic fabrics in the Bellota Ranch area, eastern Santa Catalina Mountains, Arizona, just released and downloadable.

David Briggs tells a compelling story of the Helvetia-Rosemont Mining District in the Santa Rita Mountains of southern Arizona.

Jeff Simpson, adjunct professor of geosciences at Chandler-Gilbert Community College discusses the challenges and successes of bringing real-world geologic data into the classroom.

A 145-page monograph on the geology and mineral resources of the Santa Catalina Mtns. by Dr. Eric Force (1997).