 | | Journal (issue) | | diamonds were Australia, central and southern Africa (Botswana, South Africa, Namibia, Angola, and Zaire), and...production in the areas omitted (e.g., Russia, North America, western Africa, and China), they were less...sit sit, red beryl, rhodochrosite, rhodonite, scapolite, sphene, spodumene, sugilite, turquoise, and zircon)...deposits are located in the western portions of North America (especially British Columbia in Canada,...and exploration techniques (Lees, 1998). Gem scapolite came from localities in Myanmar, Sri Lanka, Tanzania |  | | Book | | These rocks were characterized by ‘a general north-northeasterly trend’, and du Toit (1927) attributed...that, by the early Ediacaran, the Amazonian and West Africa Cratons were probably still attached to Laurentia...the Central Eburnean Zone and Lubango Zone in the west. Magmatism recorded in these domains is attributed...peak metamorphism and deformation associated with north-northwest-south- Preface Preface xi southeast...shortening by c. 512–508 Ma. A switch to east–west shortening and north–south extension is evident in the Damara |  | | Conference Proceedings (Volume) | | View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started in 1968 and...of the world class Siguiri orogenic gold district (Guinea, West Africa) .................................mineral systems – Hodgkinson metallogenic zone, north Queensland, Australia ...........................the carbonate-hosted Sadiola gold deposit, Mali, West Africa. ..........................................Kostin Proterozoic metallogeny in the NW border of Botswana Sergi Cardona, Lisard Torró, Marc Campeny, Eloi |
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