John Metzger’s Post

View profile for John Metzger, graphic

CaaS / Earth Monitoring (EM) and Geomatics / New Business Program Development

#TSF_OTD - 6172024 - Freeport-McMoRan, #Sierrita operations. 31°52′26″N 111°08′02″W -- near Tucson AZ. AAM #TIRI_1 11 Zone data view on 6172024. WIKIPEDIA - "Sierrita was acquired by Duval Corporation in 1959; Pennzoil acquired a controlling interest in Duval in 1968.[2] Sierrita was operated by Cyprus Mines (later Cyprus Amax Minerals) from 1986 to 1999. Sierrita was operated by Phelps Dodge from 1999 until 2007 when it was acquired by Freeport-McMoRan. The mine has one of the largest copper reserves in the United States and in the world. In 2018, the deposit had estimated proven and probable reserves of 3,369 million tonnes of ore grading 0.23% copper and 0.02% molybdenum, along with an additional resource of 1,378 million tonnes of mineralized material at 0.17% copper and 0.02% molybdenum.[1][3] "(https://lnkd.in/grMUXmeA) #RRM #responsible_mining #ESG #SLO #CU #MO #monitoring #NIOSH #USSD #CDA tiri.info@aamonitoring.net

  • 31°52′26″N 111°08′02″W - Sierrita Mine TSF -- near Tucson AZ. AAM TIRI-1 11 Zone data view on 6172024.

To view or add a comment, sign in

Explore topics