4000 year old gold beads found in Americas

Ancient gold necklace discovered in Peruhttp://buzz.yahoo.com/article/y_news:y_news_top_s_948:e98f81b4f507e4cd866eef2ef2b2b050 The link above is to an article (with photos!!) of beads found in the Americas, dating to 4000 years old!! They are made of gold and turquoise. The gold beads were made by hammering and folding the gold into a cylinder. Beads are an important indicator of social developement in ancient cultures. Please give this article a read.