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  2. Abies amabilis - Wikipedia

    en.wikipedia.org/wiki/Abies_amabilis

    Abies amabilis, commonly known as the Pacific silver fir, is a fir native to the Pacific Northwest of North America, occurring in the Pacific Coast Ranges and the Cascade Range. It is also commonly referred to in English as the white fir , red fir , lovely fir , amabilis fir , Cascades fir , or silver fir .

  3. Global silver trade from the 16th to 19th centuries - Wikipedia

    en.wikipedia.org/wiki/Global_silver_trade_from...

    There are few records of the amount of silver which crossed the Pacific due to it being discouraged by the Spanish monarchy, so estimates vary greatly. [18] During the 16th and 17th centuries, a large amount of silver also remained in the Americas, accumulated through the business of local merchants.

  4. Conservation and restoration of silver objects - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Whether silver plating or pure silver, the composite of the metal will tarnish when exposed to air and sulfur. Tarnish is a chemical reaction on the surface of metal (copper, brass, silver, etc.) and causes a layer of corrosion. In the case of silver tarnish, the silver combines with sulfur and forms silver sulfide (Ag 2 S), which is

  5. Silver mining - Wikipedia

    en.wikipedia.org/wiki/Silver_mining

    Silver mining required large amounts of mercury to extract the metal from ore. In the Andes, the source was the Huancavelica mercury mine; Mexico was dependent on mercury from the Almadén mercury mine in Spain. Mercury had a high adverse environmental impact. [26] Silver was extremely valuable in China, and became a global commodity.

  6. Metallurgy in pre-Columbian America - Wikipedia

    en.wikipedia.org/wiki/Metallurgy_in_pre...

    Sican tumi, or ceremonial knife, Peru, 850–1500 CE. Metallurgy in pre-Columbian America is the extraction, purification and alloying of metals and metal crafting by Indigenous peoples of the Americas prior to European contact in the late 15th century.

  7. Silver - Wikipedia

    en.wikipedia.org/wiki/Silver

    Silver is a chemical element; it has symbol Ag ... In the Atlantic and Pacific, silver concentrations are minimal at the surface but rise in deeper waters. [97]

  8. Potosí - Wikipedia

    en.wikipedia.org/wiki/Potosí

    The silver was taken by llama and mule train to the Pacific coast, shipped north to Panama City, and carried by mule train across the isthmus of Panama to Nombre de Dios or Portobelo, whence it was taken to Spain on the Spanish treasure fleets. Some of the silver also made its way east to Buenos Aires, via the Rio de la Plata. [6]

  9. Coho salmon - Wikipedia

    en.wikipedia.org/wiki/Coho_salmon

    The coho salmon (Oncorhynchus kisutch; Karuk: achvuun [1]) is a species of anadromous fish in the salmon family and one of the five Pacific salmon species. Coho salmon are also known as silver salmon (or "silvers") and is often sold as medium red salmon. [2] The scientific species name is based on the Russian common name kizhuch (кижуч).