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Ivory trade in Ghana, 1690. Elephant ivory has been exported from Africa and Asia for millennia with records going back to the 14th century BCE.Transport of the heavy commodity was always difficult, and with the establishment of the early-modern slave trades from East and West Africa, freshly captured slaves were used to carry the heavy tusks to the ports where both the tusks and their ...
Olaf Swenson ( December 16, 1883 – August 23, 1938) was a Seattle-based fur trader and adventurer active in Siberia and Alaska in the first third of the 20th century. His career intersected with activities of notable explorers of the period, and with the Russian Civil War.
Walrus tusks bearing the Alaska State walrus ivory registration tag, and post-law walrus ivory that has been carved or scrimshawed by an indigenous Alaskan, is legal. Ancient ivory, such as 10,000- to 40,000-year-old mammoth or fossilized walrus ivory, is unrestricted in its sale or possession under federal law.
Ivory has been valued since ancient times in art or manufacturing for making a range of items from ivory carvings to false teeth, piano keys, fans, and dominoes. [9] Elephant ivory is the most important source, but ivory from mammoth, walrus, hippopotamus, sperm whale, orca, narwhal and warthog are used as well.
Broken Mammoth, Alaska is an archeological site located in ... Radiocarbon dates some of the fossilized ivory from 20,000 B.P. to 18,000 B.P. clearly indicating that ...
The Swan Point Archeological Site is located in eastern central Alaska, in the Tanana River watershed. It is one of a collection of sites in the area that have yielded the oldest evidence of human habitation in the state, in addition to megafauna no longer found in Alaska, such as wapiti (elk), bison, and woolly mammoth.
This ivory will be occasionally marked synthetic while "French Ivory" or "India Ivory" are common marks. It can be distinguished from natural ivory due to its lighter weight and more even coloring. [5] Cellulose nitrate can be identified with a chemical spot test using diphenylamine. This ivory can degrade and produce acidic and oxidizing nitrogen.
Lyakhov's intentions were mainly commercial, for he hoped to find mammoth ivory. His theory was that both the islands he explored, and which were later named after him Lyakhov Islands, and those he sighted in the distance but was not able to explore, were mainly formed by a substratum of bones and tusks of mammoths. [1]