 | | Journal (article/letter/editorial) | | Midcontinent Rift-Related Echo Lake Intrusion in Northern Michigan, USA Alexander James Koerber and Joyashish...University, 1903 W Michigan Ave, Kalamazoo, MI 49008, USA; alexander.j.koerber@wmich.edu * Correspondence:... Abstract: The Echo Lake intrusion in the Upper Peninsula (UP) of Michigan, USA, was formed during the...Troctolite is the predominant rock unit in the intrusion, with interlayered bands of peridotite, mafic...deposits, such as the Sonju Lake deposit in northern Minnesota. Keywords: Echo Lake; Midcontinent; palladium; |  | | Journal (article/letter/editorial) | | River and South Kawishiwi intrusions of the Duluth Complex occurs in a variety of rock types, all produced...in the world. The parental magma for the Eagle intrusion was a high-FeO picrite. Isotopic and trace element...mineralization in the sheet-style intrusions of the Duluth Complex are related in part to sequestration of Ni by early...range of 1.3 to 2 × 106 km3 of mafic rocks in the Lake Superior region (Hutchinson et al., 1990; Cannon...disseminated sulfide occurrences of the Duluth Complex have been known for many years (e.g., Johnson, |  | | Journal (article/letter/editorial) | | mineralization in sheet-like intrusions of the Duluth Complex RI are characterized by elevated bulk rock Cu/Ni...River and South Kawishiwi Intrusions of the Duluth Complex, as well as sulfide mineralization in geometrically...conduit-style deposits in MA the Eagle Intrusion and Tamarack Igneous Complex. These intrusions were emplaced...of the Duluth Complex range from -0.85 to 0.45 ‰ whereas values from the Eagle Intrusion and the Tamarack...Tamarack Igneous Complex range from 0.69 to 1.84 ‰. 65Cu values of the sedimentary rocks range from -0.33 |  | Holwell, David A., Barnes, Stephen J., Le Vaillant, Margaux, Keays, Reid R., Fisher, Louise A., Prasser, Richard (2016) 3D textural evidence for the formation of ultra-high tenor precious metal bearing sulphide microdroplets in offset reefs: An extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland. Lithos, 256. 55-74 doi:10.1016/j.lithos.2016.03.020 | Journal (article/letter/editorial) | | extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland David A. Holwell, Stephen J. Barnes...extreme example from the Platinova Reef, Skaergaard Intrusion, Greenland, LITHOS (2016), doi: 10.1016/j.lithos... example from the Platinova Reef, Skaergaard Intrusion, Greenland NU David A. Holwella*, Stephen J...the Skaergaard Intrusion, east Greenland, is an example of a type of layered-intrusion-hosted, precious... ACCEPTED MANUSCRIPT 1. Introduction The Skaergaard Intrusion, east Greenland, is host to the Platinova Reef |  | | Journal (article/letter/editorial) | | similarities with mineralization in the Stella Intrusion, Navigator is more like Rio Jacaré. 17 18 Jameson...similarities with the upper zone of the Bushveld Complex. 21 Abstract 22 Three mafic-hosted, magnetite-related...layered intrusions belonging to 24 the Giles Complex, Musgrave Province, Western Australia. The hosting...resemble reef-type 46 mineralization in the Stella Intrusion, South Africa, whereas Navigator mineralization...52 Cu/Pd and S/Se ratios indicate that this intrusion experienced an earlier sulfide saturation 53 |  | | Journal (article/letter/editorial) | | Postmagmatic sulphur loss in the Skaergaard Intrusion: Implications for the formation of the Platinova...stratabound Platinova Au–Pd Reef in the Skaergaard Intrusion is intimately linked to Cu–Fe sulphide minerals...across the intrusion. © 2006 Elsevier B.V. All rights reserved. Keywords: Skaergaard Intrusion; Platinova...evident from the Merensky Reef of the Bushveld Complex, South Africa, and the Main Sulphide Zone of the...appears to be equally true for the Skaergaard Intrusion, where the Platinova Pd–Au Reef (Bird et al., |  | | Book | | Elemental Geochemistry of the Xiadong Alaskan-Type Complex in the Southern Central Asian Orogenic Belt Reprinted...Midcontinent Rift-Related Echo Lake Intrusion in Northern Michigan, USA Reprinted from: Minerals 2019...Oxidized Ores into Placers: Case Studies Bushveld Complex, South Africa, and Great Dyke, Zimbabwe Reprinted...ophiolite, stratiform complexes and Ural-Alaskan type intrusion, and sulfides deposits and sulphide deposits in...description of PGM from China, Russia, South Africa, USA, and Zimbabwe are reported. In his contribution, |  | Beinlich, Andreas, von Heydebrand, Adrian, Klemd, Reiner, Martin, Laure, Hicks, John (2020) Desulphurisation, chromite alteration, and bulk rock PGE redistribution in massive chromitite due to hydrothermal overprint of the Panton Intrusion, east Kimberley, Western Australia. Ore Geology Reviews, 118. 103288 doi:10.1016/j.oregeorev.2019.103288 | Journal (article/letter/editorial) | | chromitite due to hydrothermal overprint of the Panton Intrusion, east Kimberley, Western Australia Andreas Beinlich...chromitite due to hydrothermal overprint of the Panton Intrusion, east Kimberley, Western Australia, Ore Geology...chromitite due to hydrothermal overprint of the Panton Intrusion, east Kimberley, Western Australia Andreas Beinlich1...The 1856±2 Ma layered mafic–ultramafic Panton Intrusion of the Central Zone contains a reef-type platinum-group...plasma mass spectrometry (LA-ICP-MS) data reveal complex chemical zoning of the chromite reflecting post-magmatic |  | | Book | | tpa/d SIC SUC USGS/USBM Bushveld Igneous Complex Complex Department of Mines and Geology Department...annum/day Sudbury/Stillwater Igneous Complex Sukinda Ultramafic Complex United States Geological Survey/...perfect circular, 8-km diameter Kondyor Massif intrusion in Russia. Platinum is often found in mining of...colored compounds, and an ability to form stable complex ions. The electrons they use to combine with other...sources of iridium are in the Bushveld igneous complex in South Africa, the large copper–nickel deposits |  | | Book | | whom I have explored and experienced the Bushveld Complex, and the many associates elsewhere who have shown...River in the Upper Critical Zone of the Bushveld Complex. Chromitite layers in anorthosite frequently bifurcate...critical topics and types of layered igneous intrusion, for which in 1993 he provided a stimulus through...Deer's classic 1939 memoir on the Skaergaard Intrusion, was thereafter recognized as a major influence...differences from a study of the Rum layered ultrabasic intrusion in the 1950s. There, an "open system" was proposed |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...phases (medium grey). Twinning Simple to very complex twinning occurs in numerous minerals, with 4 major...and complex twinning can be observed in adjacent grains. Left: Simple (upper right) and complex (lower...(1991) states, “Ore deposits belong to the most complex inorganic features of our planet. If this complexity...occur in titanomagnetite. In other cases, more complex shapes develop. Right: Finely lamellated and spindle-like |  | | Book | | CASE HISTORIES 15. Fedorov-Pana layered mafic intrusion, (Kola Peninsula, Russia): approaches, methods...369-390 18. Discovery of the J-M Reef, Stillwater Complex, Montana: the role of soil and silt platinum and...409-429 20. The Platinova Reef of the Skaergaard intrusion T.F.D. Nielsen, J.C.O. Andersen, C.K. Brooks ...BUSHVELD COMPLEX UG2 Chromitite Merensky Reef STILLWATER COMPLEX GREAT DYKE MUNNI MUNNI INTRUSION SKAERGAARD...SKAERGAARD INTRUSION CONTRASTS AND COMPARISONS Stratigraphic Association Mineral Compositions Within-Reef |  | | Report (issue) | | Africa Leoben, Austria Sudbury, Ontario Duluth, Minnesota Apatiti, Russia Toronto, Ontario Perth, Australia...and offset environments of the Sudbury Igneous Complex have made PGE the focus of new exploration in this...(Ontario), the Marathon deposit in the Coldwell Complex (Ontario), and the formerly producing Salt Chuck...gabbros, cover another aspect of the Coldwell Complex mineralization. The mineralization they describe...several intrusions. These include the East Bull Lake, Agnew Lake, and River Valley intrusions, as well as the |  | | Report (issue) | | Front cover (clockwise starting at top left). Dry Lake Wind Power Project. This 63-megawatt-capacity facility...solubility of fluorite as a function of temperature for complex Na-Ca-Mg-Cl brines from ambient temperatures to...subsurface geology of the Saint-Honoré carbonatite complex in southern Quebec, Canada, and a schematic north-south...Schematic cross-section of the Lovozero alkaline intrusion, Kola Peninsula, Russia, showing the relation...showing the Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant |  | | Report (volume) | | commerical use (supplied by J.D.Webster, New York USA). Top Right: View into a side fired glass melting...techniques to improve our understanding of the complex and volatile behavior of sulfur in a wide variety...behavior of sulfur in silicate melts is much more complex than that of other volatiles, such as water and...of sulfur in natural and industrial processes. Complex reactions which are coupled to other oxidation-reduction...elevated pressures between silicate melts and complex multi-component fluids is insufficient, at present |  | | Book | | the layered intrusions scene is the Panzhihua intrusion (SW China) that has been intensively studied recently...of Major Layered Intrusions 10 The Panzhihua Intrusion, SW China ����������������������������������������������������...Jacqueline Vander Auwera 465 12 The Bushveld Complex, South Africa �������������������������������...���� R. Grant Cawthorn 517 13 Kiglapait Intrusion, Labrador ����������������������������������...Stearns A. Morse 589 14 The Ilímaussaq Alkaline Complex, South Greenland �������������������������� |
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