Arizona is the only state in the country with an elected state mine inspector. Right now, that person is Les Presmyk.

Arizona’s water laws are badly outdated on multiple fronts, so changes to federal laws that affect the safety and security of our vanishing water supplies should concern all Arizonans and deserve ...

Rio Tinto’s Nuton venture is using microbes to remove copper from ores that are otherwise uneconomical to mine.

One of the world’s most productive copper mines is also one of Arizona’s most reliable sources of Rocky Mountain bighorn ...

Congresswoman Adelita Grijalva introduced her first bill, the Save Oak Flat from Foreign Mining Act, aiming to protect a ...

BHP partners with Ivanhoe Electric to explore copper and other critical minerals in Arizona, New Mexico, and Utah. BHP will contribute $15 million over three years, and Ivanhoe Electric will provide ...

TUCSON, Ariz.— Arizona residents, environmental groups and the San Carlos Apache Tribe today condemned a forum celebrating “eco-friendly” mining that will showcase Resolution Copper, the company ...

President Joe Biden recently signed a bipartisan bill aimed at cleaning up abandoned mines around the country, including those in Arizona. Senator Mark Kelly was among three senators who created the ...

A “Hold” Rating for Shares of Arizona Metals Corp. In this analysis, we reiterate our “Hold” rating on the US-listed shares of Arizona Metals Corp. (OTCQX:AZMCF). This rating is consistent with our ...

Arizona mining districts originated prior to the formation of Arizona as a territory in 1863. Except for having to pay tribute to a monarch, these self-governing regulations followed the tradition of ...