Jadeitit

Sebilah kepala kapak jadeitit dari zaman Neolitik dari Colomiers, selatan Perancis.

Jadeitit ialah sebuah batuan metamorf yang dapat dijumpai di kawasan metamorf tahap syis biru. Batuan ini terdiri hampir sepenuhnya daripada jadeit, sejenis mineral piroksen, dan lazim dilombong sebagai sumber batuan permata, jed. Tempat-tempat lazim jadeitit termasuk Myanmar, Guatemala, Jepun, Kazakhstan dan barat Amerika Utara.

Rujukan

Sumber

Harlow, G.E., Jadeitites, albitites and related rocks from the Motagua Fault Zone, Guatemala, Journal of Metamorphic Geology 12 (1), 49–68 (1994)
Sorensen et al., "The origin of jadeitite-forming subduction-zone fluids: CL-guided SIMS oxygen-isotope and trace-element evidence", American Mineralogist, Jilid 91, m/s. 979–996 (2006)
Sorensen, S. S, "Geochemistry of a Jadeitite-Serpentine Contact, Guatemala" Diarkibkan 2016-03-07 di Wayback Machine, Geological Society of America (GSA) 2005 Annual Meeting
"Guatemala's Olmec Jade", Geotimes, Ogos 2002

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