Mining Geology (USGS)
The United States has 172,792 identified deposits listed in The Diggings™. The most commonly listed primary commodities in The United States deposits are gold, silver, and copper. At the time these deposits were surveyed, 45,543 deposits in The United States were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill hole—known as an occurance deposit.1 The United States has 28,655 prospectdeposits.2 California, Nevada, and Colorado are the states with the most deposits.
Quick USGS Facts
- 172,792 records of mineral deposits in The United States.
- 28,655 records of prospects
- 45,543 records of mineral occurrences of observable ore mineralization.
- 856 records of mining plants
- 11,957 records of mineral producers
- 70,649 records of past producers
- 15,132 of unknown records
Deposits By State
In The United States
35787
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