>>11519424>>11519434>>11519442>>11519617>>11519683>>11520396Amerindians developed every technology more rapidly than Europeans.
>europeans>from aurignacian proto-gravettian to solutrean:10000 years (30000BC-20000BC)>from aurignacian-antelian to start of crop development: 9000 years(30000BC-21000BC)>from start of crop development to neolithic revolution: 10500 years (21000BC-10500BC)>from neolithic revolution to earliest use of copper: 5500 years (10500BC-5000BC)>from neolithic revolution to earliest use of tin bronze: 6700 years (10500BC-3800BC)>Amerindians:>from aurignacian proto-gravettian to clovis: 5500 years (16000BC-10500BC)>from aurignacian proto-gravettian to the start of crop development: 5000 years (16000BC-11000BC)>from start of crop development to neolithic revolution: 7000 years (11000BC-4000BC)>from neolithic revolution to copper: 3000 years (4000BC-1000BC)>from neolithic revolution to earliest use of tin bronze: 4700 years (4000BC-700 AD) -"2003a. Tiwanaku Period (Middle Horizon) bronze metallurgy in the lake Titicaca basin: A preliminary assessment. En Tiwanaku and its hinterland, T 2. A. Kolata, (Ed.), pp. 404-434. Smithsonian Institution Press, Washington D. C."
-"1997. El bronce arsenical y el Horizonte Medio. En Arqueología, antropología e historia en los Andes: Homenaje a María Rostworowski, R. Varón y J. Flores E. (Eds.), pp. 153-186. Instituto de Estudios Peruanos, Lima."
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https://www.researchgate.net/publication/317346941_Ancient_metalworking_in_South_America_A_3000-year-old_copper_mask_from_the_Argentinian_Andes";;
-"Historia de América Andina: Las sociedades aborígenes"
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https://link.springer.com/article/10.1007%2FBF02859340";;
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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0141923";;
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http://whc.unesco.org/en/tentativelists/1873/";;
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https://es.wikipedia.org/wiki/Paleoamericano";;
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https://en.wikipedia.org/wiki/Bluefish_Caves";;
How is this hard to get?
