 | | Journal (issue) | | Presence of Macrosteps on Ruby and Sapphire Crystals from Aappaluttoq, Greenland 364 By Isabella Pignatelli...identification of colourless and coloured diamonds; emerald, ruby and sapphire country-of-origin determination; identification...(a few kilometres northwest of the emerald mining area), and it is probably the source of the pegmatites...small-scale miners (garimpeiros) who worked in the area were replaced by mining companies capable of exploring...underground workings at depths up to 620 m. The mining area can currently be divided into five parts: (1) the |  | Owen, J. Victor, Hanley, Jacob J., Kerr, Mitchell J., Stimson, Matthew, Boucher, Brandon (2019) Geochemistry of pink corundum-bearing feldspathic gneiss, Frenchvale quarry, Cape Breton Island, Canada: metamorphism of albitised, Fe-poor clastic rocks. Mineralogical Magazine, 83 (2) 249-260 doi:10.1180/mgm.2018.165 | Journal (article/letter/editorial) | | distinct from well-known Himalayan sapphire and ruby deposits previously cited as analogues of the Frenchvale...corundum occurrence. Introduction Pink sapphire and ruby – Cr-bearing corundum - are known from a variety...is a Type 1A occurrence: the Aappaluttoq deposit of southwestern Greenland. It formed in a contact zone...anorthosite (Fagan and Groat, 2014). Elsewhere in Greenland, ruby occurs in metasomatized aluminosilicate-bearing...best known and most productive pink sapphire and ruby deposits are hosted by metacarbonate/calc-silicate |  | Kolb, Jochen, Keiding, Jakob K., Steenfelt, Agnete, Secher, Karsten, Keulen, Nynke, Rosa, Diogo, Stensgaard, Bo M. (2016) Metallogeny of Greenland. Ore Geology Reviews, 78. 493-555 doi:10.1016/j.oregeorev.2016.03.006 | Journal (article/letter/editorial) | | Metallogeny of Greenland Jochen Kolb, Jakob K. Keiding, Agnete Steenfelt, Karsten Secher...Rosa, Diogo, Stensgaard, Bo M., Metallogeny of Greenland, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...pertain. ACCEPTED MANUSCRIPT Metallogeny of Greenland JOCHEN KOLB1, JAKOB K. KEIDING1,2, AGNETE STEENFELT1...Economic Geology, Geological Survey of Denmark and Greenland, Øster Voldgade 10, 1350 Copenhagen K, Denmark...author: jkol@geus.dk Greenland is the largest island on Earth, with 80% of its area covered by a thick |
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