LEADER 04175nam 2200481 450 001 9910583049903321 005 20170920010711.0 010 $a0-12-804105-6 035 $a(CKB)3710000000840682 035 $a(EBL)4653370 035 $a(MiAaPQ)EBC4653370 035 $a(PPN)197277039 035 $a(EXLCZ)993710000000840682 100 $a20160909h20172017 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $2rdacontent 182 $2rdamedia 183 $2rdacarrier 200 10$aNickel Sulfide Ores and impact melts /$fPeter C. Lightfoot, Vale Base Metals Ontario, Canada 210 1$aAmsterdam, Netherlands :$cElsevier,$d2017. 210 4$dİ2017 215 $a1 online resource (696 p.) 300 $aDescription based upon print version of record. 311 $a0-12-804050-5 320 $aIncludes bibliographical references. 327 $aCover; Title Page; Copyright Page; Dedication; Contents; Preface; Acknowledgments; Chapter 1 - Sudbury - an introduction to the ore deposits and the impact structure; Introduction to Sudbury; History of discovery and production at Sudbury; Position of the Sudbury Camp as a future producer of nickel; The geology of Sudbury in a nutshell; Terminology used to describe the geology of the Sudbury structure; The Igneous Rocks; The Target Country Rocks; Sudbury geology at the center of important Earth Science debates; Fundamental igneous petrology; Origin of the ore deposits 327 $aThe catastrophy that created the Sudbury rocksThe deep structure and deformation history of the SIC; Attempts to reconcile impact models with igneous processes; The impact process and the formation of the sulfide ores; Where do all the metals and sulfur in the ores come from?; Magmatic nickel sulfides - an introduction and overview; Process controls in the formation of magmatic sulfide ore deposits; Melting of the mantle; Migration of the magmas through the crust, and magmatic differentiation; Triggers to sulfur saturation of mafic magmas 327 $aThe Importance of gravity-assisted settling of dense magmatic sulfide, and pathways through the crustControls on the composition of sulfide magmas; Sulfide localization and concentration mechanisms in "container rocks"; Sulfide differentiation; Post magmatic deformation, metamorphism, and hydrothermal modification of sulfide mineralization; Evidence for impact origin of Sudbury; Compelling evidence for an impact event; Supporting evidence for an impact event; Some features not resolved by the Sudbury Impact Model; Synthesis of the approach used in this book 327 $aAppendix 1.1 Synthesis of Sudbury BibliographyChapter 2 - A Synthesis of the Geology of the Sudbury Structure; Introduction; An Impact Event at the Southern Margin of the Superior Province Craton; An overview of the Regional Geological Setting of the Sudbury Structure; Geology of the Sudbury Structure; The target country rocks; Archean granitoid rocks and gneisses of the Superior Province; Huronian Supergroup metavolcanic and metasedimentary rocks; Mafic and ultramafic intrusive rocks in the Sudbury Region; Early Proterozoic East Bull Lake Type Intrusions; The Nipissing Diabase 327 $aSudbury Gabbro IntrusionsFelsic Intrusive Rocks in the Sudbury Region; Geology of the SIC; The Main Mass; The Geology of the North and East Range of the Main Mass; The Geology of the South Range of the Main Mass; Felsic Enclaves within the Norite Stratigraphy of the Main Mass in the South Range; Synthesis of the Geology of the Main Mass; The Offset Dykes; The Radial Offset Dykes; The Concentric Offset Dykes; The Discontinuous Segmented Offset Dykes; Comparative Geology of the Offset Dykes; The Contact of the Offset Dykes with the Country Rocks; Thickness and Continuity of the Offset Dykes 327 $aBranching of the Offset Dykes 606 $aNickel ores 615 0$aNickel ores. 676 $a549.32 700 $aLightfoot$b Peter C.$0963213 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910583049903321 996 $aNickel Sulfide Ores and impact melts$92183942 997 $aUNINA