Layered IntrusionsR.G. Cawthorn Written by leading experts in the field, this work summarises the important aspects relating to layered intrusions, with almost universal coverage of the subject. Each chapter is a complete review of a theme or specific geological intrusion. The first part of the book covers the general principles and processes which apply to all intrusions. Those chapters on individual intrusions concentrate on factual information. A detailed full colour geological map of the Skaergaard intrusion is also included. This book will appeal to a wide audience - university libraries, research students in igneous petrology, state organisations such as exploration companies - as well as being an ideal textbook for university courses on igneous petrology, and geochemistry and petrography. |
Contents
| 1 | |
| 45 | |
Chapter 3 Texture Development in Cumulate Rocks | 77 |
Chapter 4 A Review of Mineralization in the Bushveld Complex and some other Layered Mafic Intrusions | 103 |
Chapter 5 The Skaergaard Intrusion | 147 |
Chapter 6 The Bushveld Complex | 181 |
Chapter 7 The BjerkreimSokndal Layered Intrusion Southwest Norway | 231 |
Chapter 8 Layered Intrusions of the Duluth Complex Minnesota USA | 257 |
Chapter 10 Layered Alkaline Igneous Rocks of the Gardar Province South Greenland | 331 |
Chapter 11 The Great Dyke of Zimbabwe | 365 |
Chapter 12 The Rum Layered Suite | 403 |
Chapter 13 The Stillwater Complex | 441 |
Chapter 14 The Windimurra Complex Western Australia | 485 |
| 511 | |
| 519 | |
Chapter 9 The FongenHyllingen Layered Intrusive Complex Norway | 303 |
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Common terms and phrases
abundant allivalite anorthosite apatite augite Banded Series basaltic base metal sulphides BKSK boundary layer Bushveld Complex Cawthorn chromite chromitite chromitite layers clinopyroxene convection Critical Zone cryptic variation crystallization cumulates cumulus minerals cyclic units density developed differentiation diffusive Duluth Complex dunite Dyke Econ emplacement evolved feldspar feldspathic Figure floor fluid Fongen-Hyllingen footwall formed fractionation gabbro gabbroic gabbronorite Geol Geology graded grains Greenland Gruenewaldt harzburgite Hyllingen Igneous Layering ilmenite intercumulus interstitial isotopic lamination layered intrusions Layered Series liquid lower mafic magma chamber magnetite magnetitite layers mangerite margin McBirney melt Merensky Reef metres mineral compositions modal layering mush norite nucleation occur olivine orthopyroxene oxide parental magma pegmatite peridotite Petrology plagioclase platinum poikilitic processes pyroxene pyroxenite ratio result roof silicate Skaergaard Intrusion Stillwater Complex stratigraphic structures syenite temperature texture thermal thick troctolite Ultramafic Ultramafic Series upwards Wager Western limb Wilson