Doré bar

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A doré bar is a semi-pure alloy of gold and silver. It is usually created at the site of a mine and then transported to a refinery for further purification.

The proportions of silver and gold can vary widely. Doré bars weigh as much as 25 kg.

Associated industry codes[edit]

According to the United States Census Bureau,[1] the creation of doré bars is conducted at establishments engaged either in "Gold Ore Mining" (NAICS Code 212221),[2] or "Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)" (NAICS Code 331419).[3]

Derivation of the term[edit]

The term "doré" is French for "gilded" or "golden".[4]

See also[edit]


  1. ^ "US Census Bureau". Retrieved 5 December 2018.
  2. ^ [1]
  3. ^ [2]
  4. ^ "Archived copy". Archived from the original on 2007-10-07. Retrieved 2007-01-02.CS1 maint: archived copy as title (link)

External links[edit]