Editing Eclogite (section)

==Distribution==
[[File:Eclogite Almenning, Norway.jpg|thumb|Eclogite from Almenning, Norway. The red-brown mineral is garnet, green [[omphacite]] and white quartz.]]
Occurrences exist in western North America, including the southwest<ref>William Alexander Deer, R. A. Howie and J. Zussman (1997) ''Rock-forming Minerals,'' Geological Society, 668 pages {{ISBN|1-897799-85-3}}</ref> and the [[Franciscan Formation]] of the [[California Coast Ranges]].<ref>{{Cite web |url=http://www.megalithic.co.uk/article.php?sid=19244 |title=C. Michael Hogan (2008) ''Ring Mountain'', The Megalithic Portal, ed. Andy Burnham |access-date=2009-01-14 |archive-date=2011-06-10 |archive-url=https://web.archive.org/web/20110610100125/http://www.megalithic.co.uk/article.php?sid=19244 |url-status=live }}</ref> Transitional [[granulite]]-eclogite facies granitoid, [[felsic]] volcanics, mafic rocks and granulites occur in the Musgrave Block of the [[Petermann Orogeny]], central Australia. Coesite- and glaucophane-bearing eclogites have been found in the northwestern [[Himalaya]].<ref>{{cite journal |last1=Wilke |first1=Franziska D.H. |last2=O'Brien |first2=Patrick J. |last3=Altenberger |first3=Uwe |last4=Konrad-Schmolke |first4=Matthias |last5=Khan |first5=M. Ahmed |title=Multi-stage reaction history in different eclogite types from the Pakistan Himalaya and implications for exhumation processes |journal=Lithos |date=January 2010 |volume=114 |issue=1–2 |pages=70–85 |doi=10.1016/j.lithos.2009.07.015|bibcode=2010Litho.114...70W }}</ref> The oldest coesite-bearing eclogites are about 650 and 620 million years old and they are located in [[Brazil]] and [[Mali]], respectively.<ref>{{Cite journal|authorlink1=Bor-ming Jahn|last1=Jahn|first1=Bor-ming|last2=Caby|first2=Renaud|last3=Monie|first3=Patrick|date=2001|title=The oldest UHP eclogites of the World: age of UHP metamorphism, nature of protoliths and tectonic implications|journal=Chemical Geology|volume=178|issue=1–4|pages=143–158|doi=10.1016/S0009-2541(01)00264-9|bibcode=2001ChGeo.178..143J}}</ref><ref>{{Cite journal|last1=Santos|first1=Ticiano José Saraiva|last2=Amaral|first2=Wagner Silva|last3=Ancelmi|first3=Matheus Fernando|last4=Pitarello|first4=Michele Zorzetti|last5=Fuck|first5=Reinhardt Adolfo|last6=Dantas|first6=Elton Luiz|date=2015|title=U–Pb age of the coesite-bearing eclogite from NW Borborema Province, NE Brazil: Implications for western Gondwana assembly|journal=Gondwana Research|volume=28|issue=3|pages=1183–1196|doi=10.1016/j.gr.2014.09.013|bibcode=2015GondR..28.1183D}}</ref>