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  2. Nordic Gold - Wikipedia

    en.wikipedia.org/wiki/Nordic_gold

    Nordic Gold (Swedish: nordiskt guld [1]) is the gold-coloured copper alloy from which many coins are made. The alloy is a type of aluminium bronze . It has been used for a number of coins in many currencies, most notably in euro 50 , 20 , and 10 cents , [ 2 ] [ 3 ] in the Swedish 5 and 10 kronor coins (for which it was originally developed and ...

  3. Double Your Money Selling Old Pennies by the Pound

    www.aol.com/news/2012-12-05-copper-pennies-old...

    Currently, auctions are asking between $2 and $3 per pound for quantities of 10 to 25 pounds of coins. One auction featured 100,000 pennies -- weighing about 680 pounds -- that sold for $1,500 ...

  4. Baldy Mining District - Wikipedia

    en.wikipedia.org/wiki/Baldy_Mining_District

    Gold Produced around $25000 in gold before 1946. Montezuma Moreno Centennial Mystic [14] Claim Copper, Gold By 1946, 1000 tons of ore were produced. This ore was 20-25% copper. Rebel Chief [15] Chief Tunnel, Virginia Hudson Tunnel, Mountain Queen Tunnel

  5. Christopher Columbus Quincentenary coins - Wikipedia

    en.wikipedia.org/wiki/Christopher_Columbus_Quin...

    The Christopher Columbus Quincentenary Coin Act (Pub. L. 102–281) authorized the production of three coins, a clad half dollar, a silver dollar, and a gold half eagle, to commemorate the 500th anniversary of Christopher Columbus' discovery of America.

  6. Kennecott Utah Copper - Wikipedia

    en.wikipedia.org/wiki/Kennecott_Utah_Copper

    It is one of the top producing copper mines in the world with cumulative production over 17,000,000 tonnes (19,000,000 short tons) of copper. [9] In 2020, Bingham Canyon produced 140,000 tonnes (310,000,000 lb) of copper, along with 171,200 troy ounces (5,320 kg) of gold, 2,205,000 troy ounces (68,600 kg) of silver, and 20,400 tonnes ...

  7. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Pre-1992 British pennies were made of 97% copper; but as of 2008, based on the price of copper, the value of a penny from this period is 1.5 new-pence. Modern British pennies are now made of copper-plated steel. Cupronickel, a base metal alloy with varying proportions of copper and nickel, was introduced as a cheaper alternative for silver in ...

  8. Chino mine - Wikipedia

    en.wikipedia.org/wiki/Chino_Mine

    The mine was started as the Chino Copper Company in 1909 by mining engineer John M. Sully and Spencer Penrose, [1] [2] [3] and is currently owned and operated by Freeport-McMoRan Inc. subsidiaries. The area where the mine is located is at an average elevation of 5,699 feet (1,737 m).

  9. New tourist attraction in Amador County’s Gold Country is a ...

    www.aol.com/tourist-attraction-amador-county...

    The two-person cars weigh roughly 500 pounds while the four-person cars are nearly 800 pounds. The “Rail Explorers,” as they are called, cost $95 for two people and $175 for four.