 | Giuliani, G., France-Lanord, C., Zimmermann, J. L., Cheilletz, A., Arboleda, C., Charoy, B., Coget, P., Fontan, F., Giard, D. (1997) Fluid Composition, δD of Channel H2O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits. International Geology Review, 39 (5) 400-424 doi:10.1080/00206819709465280 | Journal (article/letter/editorial) | | Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits a b b G. Giuliani , C. France-Lanord...Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits, International Geology Review, 39:5, 400-424...Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits 1 G. GIULIANI, 2 Institut Français de...from granitic pegmatites and greisens and emerald from Brazil, Colombia, a n d Afghanistan. An i m p o...e z i n h a s h e a r - z o n e e m e r a l d deposit c o n t a i n s a b u n d a n t C O 2 , u p t o |  | | Journal (article/letter/editorial) | | THE ORIGINOF BERYL AND EMERALD FROM THE PORANGATU DEPOSITS, GOIAS STATE, BRAZIL A.E. FALLICK and J.G....the origin of beryl and emerald from the Porangatu deposits, Goias State, Brazil. Chem. Geol. (Isot. Geosci...of 12 beryls and emeraldsfrom the Porangatu emerald deposit, Brazil, is relatively constant at 11 + 1%0...reflecting formation conditions an origin for beryl and emerald from magmatic or metamorphic fluid is inferred...In the Porangatu emerald deposit which lies to the northwest of Goias State in central Brazil, beryls |  | Groat, L. A., Marshall, D. D., Giuliani, G., Murphy, D. C., Piercey, S. J., Jambor, J. L., Mortensen, J. K., Ercit, T. S., Gault, R. A., Mattey, D. P., Schwarz, D., Maluski, H., Wise, M. A., Wengzynowski, W., Eaton, D. W. (2002) MINERALOGICAL AND GEOCHEMICAL STUDY OF THE REGAL RIDGE EMERALD SHOWING, SOUTHEASTERN YUKON. The Canadian Mineralogist, 40 (5) 1313-1338 doi:10.2113/gscanmin.40.5.1313 | Journal (article/letter/editorial) | | MINERALOGICAL AND GEOCHEMICAL STUDY OF THE REGAL RIDGE EMERALD SHOWING, SOUTHEASTERN YUKON LEE A. GROAT§ Department...authors (WW) discovered a major occurrence of emerald in the Finlayson Lake district of southeastern...contact with a mid-Cretaceous granitic pluton. The emerald crystals occur where quartz veins cut mica-rich...chromophore. Fluid-inclusion data indicate that the emerald precipitated from a fluid whose maximum salinity...equivalent. The oxygen isotopic composition of the emerald is highly variable (12.3 to 14.8‰), but there is |  | | Journal (article/letter/editorial) | | i e r. c o m / l o c a t e / o r e g e o r ev Emerald deposits and occurrences: A review L.A. Groat a...Available online 22 April 2008 Keywords: Emerald deposits Emerald occurrences Crystal chemistry Geochemistry...isotopes Classification Exploration A B S T R A C T Emerald, the green gem variety of beryl, is the third most...is speculation that the emerald mines in Colombia are becoming depleted. Brazil currently accounts for...for approximately 10% of world emerald production. Emeralds have also been mined in Afghanistan, Australia |
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