Ray mine

{{Short description|Copper mine in Arizona}}

{{Infobox mine

| name = Ray Copper Mine

| image = Mesa raymine.jpg

| width =

| caption = Teapot mesa, above Ray Mine

| pushpin_map = Arizona

| pushpin_label =Ray copper mine

| pushpin_map_caption = Location in Arizona

| coordinates = {{coord|33|08|58|N|110|59|14|W|region:US|format=dms|display=inline,title}}

| place = Kearny

| subdivision_type = County

| state/province = Pinal County, Arizona

| country = United States

| owner = Asarco

| stock_exchange =

| stock_code =

| official website = [http://www.asarco.com/about-us/our-locations/ray-operations/ Ray mine website]

| acquisition year = 1999

| products = Copper, sulfuric acid

| financial year = 2016

| amount = 62.0 million lbs copper

| opening year = 1880

| closing year =

}}

The Ray mine is a large copper mine in Pinal County, Arizona, near the town of Kearny, in the southwestern United States. ASARCO, a subsidiary of Grupo México, currently owns the mine, which it acquired from Kennecott Copper in 1986.{{cite web |title=Ray mining history |url=http://copperarea.com/pages/ray-mining-history |publisher=Copper Area News Publishers |date=2012-09-26 |access-date=2019-10-19}}

The Ray mine has one of the largest copper reserves in the United States, with proven and probable reserves of {{convert|835.7|e6t|}} of ore grading 1.73% copper, {{as of|2018|12|31|lc=on|df=US}}.{{cite web |title=Annual Report 2016 |url=https://gmexico.com/site/images/documentos/en/anual_report2016.PDF |publisher=Grupo México |location=Mexico City |page=35 |access-date=2019-04-05}}{{cite web |title=Company History |url=https://asarco.com/about-us/company-history |publisher=ASARCO |location=Mexico City |access-date=2019-04-05}}{{cite web |last=Ascarza|first=William |title=Mine Tales: Ray mining district has history of more than a century |url=https://tucson.com/news/local/mine-tales-ray-mining-district-has-history-of-more-than/article_5560fe20-f4c4-559f-8298-1c8be0b75c77.html |newspaper=Arizona Daily Star |location=Tucson, Arizona |date=November 11, 2013 |access-date=2019-04-05}} Copper from the Ray mine goes to the Hayden Smelter.

File:Copper-192630.jpg ({{cvt|2.2|×|2.2|×|1.2|cm|in}}) from Ray mine. Large "sail" at left is a spinel twin.]]