Editing Obsidian (section)

==Occurrence==
[[File:Glass Mountain on Medicine Lake Volcano-750px.jpg|thumb|Glass Mountain, a large obsidian flow at [[Medicine Lake Volcano]] in California]]
Obsidian is found near volcanoes in locations which have undergone rhyolitic eruptions. It can be found in Argentina, [[Armenia]], [[Azerbaijan]], Australia,<ref>{{cite journal|last1=Bonetti|first1=R.|last2=Di Cesare|first2=P.|last3=Guglielmetti|first3=A.|last4=Malerba|first4=F.|last5=Migliorini|first5=E.|last6=Oddone|first6=M.|last7=Bird|first7=J. R.|last8=Torrence|first8=R.|last9=Bultitude|first9=R. J.|title=Fission track dating of obsidian source samples from the Willaumez Peninsula, Papua New Guinea and eastern Australia|journal=Records of the Australian Museum|date=November 25, 1998|volume=50|issue=3|pages=277–84|doi=10.3853/j.0067-1975.50.1998.1286|url=https://australianmuseum.net.au/Uploads/Journals/17861/1286.pdf|archive-date=July 21, 2018|access-date=September 18, 2019|archive-url=https://web.archive.org/web/20180721181917/https://australianmuseum.net.au/uploads/journals/17861/1286.pdf|url-status=dead}}</ref> Canada, Chile, [[Georgia (country)|Georgia]], [[Ecuador]], [[El Salvador]], Greece, [[Guatemala]], [[Hungary]], Iceland, [[List of volcanoes in Indonesia|Indonesia]], Italy, Japan, [[Kenya]], Mexico, New Zealand, [[Papua New Guinea]], Peru, [[Volcanoes of Kamchatka|Russia]], Scotland, the [[Canary Islands]], [[Turkey]] and the United States. Obsidian flows which are so large that they can be [[Hiking|hiked]] on are found within the [[caldera]]s of [[Newberry Volcano]] (Big Obsidian Flow,<ref>Forest Service information page [https://www.fs.usda.gov/recarea/deschutes/recreation/recarea/?recid=38304&actid=64]</ref> 700 acres) and [[Medicine Lake Volcano]] in the [[Cascade Range]] of western North America, and at [[Inyo Craters]] east of the Sierra Nevada in California. [[Yellowstone National Park]] has a mountainside containing obsidian located between [[Mammoth Hot Springs]] and the [[Norris Geyser Basin]], and deposits can be found in many other western U.S. states including [[Arizona]], [[Colorado]], [[New Mexico]], [[Texas]], [[Utah]], and [[Washington (state)|Washington]],<ref>[http://www.obsidianlab.com/image_maps/image_maps.html#wa Washington Obsidian Source Map] {{webarchive|url=https://web.archive.org/web/20150821080359/http://www.obsidianlab.com/image_maps/image_maps.html |date=August 21, 2015 }}. Obsidianlab.com. Retrieved November 20, 2011.</ref> [[Oregon]]<ref>[http://www.sourcecatalog.com/or/s_or.html Oregon Obsidian Sources]. Sourcecatalog.com (November 15, 2011). Retrieved 2011-11-20.</ref> and [[Idaho]].

There are only four major deposit areas in the central Mediterranean: [[Lipari]], [[Pantelleria]], [[Palmarola]] and [[Monte Arci]] ([[Sardinia]]).<ref>Iain Morley and [[Colin Renfrew]]. [https://books.google.com/books?id=TzrNgAsJY1MC&pg=PA19 The Archaeology of Measurement: Comprehending Heaven, Earth and Time in Ancient Societies], Cambridge University Press, 2010 {{ISBN|0521119901}}.</ref>

Ancient sources in the Aegean were [[Milos]] and [[Gyali]].<ref name="E Blake, A B Knapp">
{{cite book|url=https://books.google.com/books?id=F15vfrJq8LUC&pg=PA35|author1=E Blake|author2=A B Knapp|publisher=John Wiley & Sons|year=2005|title=The Archaeology Of Mediterranean Prehistory|isbn=978-0631232681}}</ref>

[[Acıgöl]] town and the [[Göllü Dağ]] volcano were the most important sources in central [[Anatolia]], one of the more important source areas in the [[Near Eastern archaeology|prehistoric Near East]].<ref>Prince Mikasa no Miya Takahito. [https://books.google.com/books?id=EtiKgdv7C3IC&pg=PA141 ''Essays on Anatolian Archaeology''], Otto Harrassowitz Verlag, 1993 {{ISBN|3447033959}}.</ref><ref>L Romano. [https://books.google.com/books?id=Vzs8bFFnVeoC&pg=PA305 6 ICAANE], Otto Harrassowitz Verlag, 2010 Volume 3 of Proceedings of the 6th International Congress of the Archaeology of the Ancient Near East: May 5–10, 2009  {{ISBN|3447062177}}.</ref><ref>P R S Moorey. [https://books.google.com/books?id=P_Ixuott4doC&pg=PA66 Ancient Mesopotamian Materials and Industries: The Archaeological Evidence] Eisenbrauns, 1999 {{ISBN|1575060426}}.</ref>