American Indian Trade routes traced with new method


	American Indian Trade routes traced with new method

pokkets

10-15-2007 8:34 PM

4403 views

tags:

american, indian, trade, rock, tools, arrowhead, accelerator, artifact, anthropology

pokkets says:

The same results can be gained by nuclear irradiation, but the artifacts must be treated as nuclear waste. The 'Photo Activation' method causes no damage.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/72bb88b6-65fd-4947-b956-36c7bb4a20a7/37F7185E-6E10-4F5B-AB63-19AE88BF9DAF/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1" href="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1" style="font-size: 11px;">www.mail.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1"><P>Idaho State University anthropologists are retracing American Indian trade routes by bombarding arrowheads and other stone tools with radiation that helps locate their origins.</P><P>The work at the Idaho Accelerator Center in Pocatello involves a process called photon activation analysis. It allows researchers to measure trace elements in an object and use the data to match artifacts with their places of origin, such as matching arrowheads made of obsidian with the lava flows they came from. That can provide evidence about how such items were passed among the West's tribes.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1">"This is the only accelerator center in the world doing this</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1">kind of work," ISU anthropology professor Herb Maschner told the Idaho State Journal.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1">scientists experimented with obsidian and rocks from the lava flows</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1">Maschner wanted to trace the origins of the artifacts found by anthropologist and tribal members in the Aleutian Islands</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.mail.com/Article.aspx?articlepath=APNews\Science\20071015\Radiation_Artifacts_20071015.xml&cat=science&subcat=&pageid=1">scientists know the obsidian in Maschner's arrowheads came from particular volcanos in Alaska</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/37F7185E-6E10-4F5B-AB63-19AE88BF9DAF/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>