 | | Journal (article/letter/editorial) | | University of Washington, Seattle, WA 98195-1310, USA; bwevans@uw.edu (B.W.E.); kuehner@uw.edu (S.M.K.)...previously observed. In samples from the Duluth Complex (Minnesota, USA) containing igneous olivine Fa36–44...ferroan–olivine-bearing samples from the Laramie Complex (Wyoming, USA) show a compositional variability of secondary...50), apparently owing to the presence of some saponite or nontronite impurity [24]. Table 1. Average...Number of Spots Duluth Complex DM561A Bardon Peak Mg–His Mg–His 9 20 Laramie Complex LAC-1B Oxide Body |  | | Journal (article/letter/editorial) | | related hypabyssal sills, Midcontinent Rift System, Minnesota Young-Rok Park, Edward M. Ripley ) Department... 1005 East Tenth Street, Bloomington, IN 47405, USA Received 19 March 2000; accepted 7 April 2000 Abstract...North Shore Volcanic Group ŽNSVG. Žnortheastern Minnesota. and related hypabyssal sills demonstrate the...rift is the Duluth Complex and related hypabyssal intrusions located in northeastern Minnesota ŽFig. 1..... The Complex intrudes beneath and partly into lavas of the North Shore Volcanic Group ŽNSVG, Fig. 1; |  | | Journal (article/letter/editorial) | | for three samples of hisingerite from northern Minnesota. The variable chemical composition oI hisingerite...Beaver Bay complex and one from veins in the Biwabik iron-formation at Babbitt, Minnesota. The r-ray...iron-rich saponite. Structural formulas computed for the Beaver Bay hisingerites fit a saponite structure...from Montauban, euebec, show excess FezO; for the saponite structure. Hisingerite occurs in a variety of...bowlingite, or' more phaeite." (1939' p' The Beaver Bay complex was named by Grout and Schwartz action intrusive |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 59, pages 1190-1197, 1974 Lavasof Minnesota from the Keweenawan Clinopyroxenes T.qolsHI KoNna...Department of Geology, Uniuersity ol Minnesota, Duluth, Duluth. Minnesota 5 58 I 2 Abstract The Keweenawan(I-ate...Keweenawan(I-ate Precambrian) lava flows in northern Minnesota include the volcanic series: tholeiitic olivine...similar to that of the associated Beaver Bay Gabbro Complex and of the Skaergaard Intrusion. The mineral assemblageof...flows are intruded by the immenseDuluth Gabbro Complex and by locally abundant shallow intrusive rocks |  | | Report (issue) | | BIBLIOGRAPHY OF MINNESOTA 1951-1980 GEOLOGY ves ai é Lita: ae i if “Pe va MINNESOTA GEOLOGICAL...DIRECTOR BULLETIN BIBLIOGRAPHY SURVEY 46 OF MINNESOTA GEOLOGY 1951-1980 COMPILED G.B. MOREY, NANCY...NANCY BY BALABAN, AND LYNN Gn UNIVERSITY OF MINNESOTA ST. PAUL e 1981 SWANSON ISSN 0076-9169 @...@ ISBN 0-934938-01-6 The University of Minnesota is committed to the policy that all persons shall have...bibliography brings Minnesota Geological Survey Bulletin 34, ‘‘Bibliography of Minnesota Geology,’’ by T |  | | Report (issue) | | '" UNIVERSITY OF MINNESOTA Minnesota Geological Survey PAUL K. SIMS, Director Bulletin 34 Supplement...Bibliography of Minnesota Geology by JOHN F. SPLETTSTOESSER and SALLY A. SLOAN Minnesota 1962 .. University... University of Minnesota Minneaota Geological Survey Paul K. SiIns. Director Bulletin 34 Supplement ...BIBLIOGRAPHY OF MINNESOTA GEOLOGY by John F. Splettstoesser and Sally A. Sloan Minnesota 1962 CONTENTS...geology of Minnesota and is intended to supplement M. G. S. Bulletin 34, Bibliography of Minnesota Geology |  | | Journal (article/letter/editorial) | | kaolinite, ferrihydrite, vermiculite, Fe2+–Mg2+saponite, and poorly crystalline serpentine. The alkaline...Arenaceous formations include (i) the Casanova Complex, composed of quartz-feldspathic rocks with metamorphic...Mg 3+ Montmorillonite-Fe –Mg Saponite-Fe2+ Saponite-Fe2+–Mg Saponite-Fe3+–Mg 2+ Vermiculite-Fe –Mg...Other accessory minerals are chlorite, mixed layer saponite–chlorite (low-charge corrensite), talc, calcite...et al., 1999, 2000). In addition, mixed layer saponite–talc (aliettite) and vermiculite–chlorite (high-charge |  | Luhmann, Andrew J., Tutolo, Benjamin M., Bagley, Brian C., Mildner, David F.R., Scheuermann, Peter P., Feinberg, Joshua M., Ignatyev, Konstantin, Seyfried, William E. (2017) Chemical and physical changes during seawater flow through intact dunite cores: An experimental study at 150–200 °C. Geochimica et Cosmochimica Acta, 214. 86-114 doi:10.1016/j.gca.2017.07.020 | Journal (article/letter/editorial) | | Socorro, NM 87801, USA. 2 Department of Earth Sciences, University of Minnesota, 310 Pillsbury Drive...Drive SE, Minneapolis, MN 55455, USA 3 Department of Earth Sciences, University of Oxford, South Parks...Gaithersburg, MD 20899, USA 5 Institute for Rock Magnetism, University of Minnesota, 100 Union Street SE...SE, Minneapolis, MN 55455, USA 6 Diamond Light Source, Harwell Campus, Didcot, OX11 0DE, UK. *Corresponding...Technology, 801 Leroy Place, Socorro, NM 87801, USA. Tel: 1-575-835-5029; fax: 1-575-835-6436. Email |  | | Journal (article/letter/editorial) | | (North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin, Illinois, Indiana...County, Minnesota Winchell 1900 1903 Greenalite Biwabik, Mesabi Range, St. Louis County, Minnesota Jolliffe...Range, Crow Wing County, Minnesota; cotype: Mesabi Range, St. Louis County, Minnesota Gruner 1944 1945 ...Ironton, Cuyuna North Range, Crow Wing County, Minnesota; cotype: Sagamore Mangan No. 2 pit, Ironton Gruner...1992 1991 Hibbingite Duluth Complex, Hibbing, St. Louis County, Minnesota Buchwald and Koch 1995 |  | Han, Chunming, Xiao, Wenjiao, Zhao, Guochun, Su, Benxun, Ao, Songjian, Zhang, Jien, Wan, Bo, Wang, Zhongmei, Ding, Jiaxin, Qu, Wenjun, Du, Andao (2014) Re-Os Isotopic Age of the Hongqiling Cu-Ni Sulfide Deposit in Jilin Province, NE China and its Geological Significance. Resource Geology, 64 (3) 247-261 doi:10.1111/rge.12039 | Journal (article/letter/editorial) | | Stillwater Complex (Montana, USA; Lambert et al., 1989; Martin, 1989), the Pechenga Complex (Kola Peninsula...Russia; Walker et al., 1994, 1997), the Sudbury Complex (Ontario, Canada; Hart & Kinloch, 1989), Voisey’s...measured by using TJA X-series ICP-MS (TJA, Denver, CO, USA). For Re, the mass numbers 185 and 187 were selected...Chalcopyrite Pyrite Pyrrhotite Tremolite Talc Saponite Serpentine Chlorite Carbonate Fig. 5 Paragenetic...ultramafic series, Stillwater Complex (Lambert et al., 1994), Duluth Complex (Ripley et al., 1999), Sudbury |  | 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) | | plasma mass spectrometry (LA-ICP-MS) data reveal complex chemical zoning of the chromite reflecting post-magmatic...similar to PGE mineralisation in the Bushveld Complex (Hiemstra, 1985; Osbahr et al., 2014; Junge et...the massive chromitite layers of the Bushveld Complex of South Africa (Gruenewaldt, 1977; Vermaak, 1995;...basement rock of the Central Zone and comprise a complex sequence of amphibolite to granulite facies metamorphosed...to serpentine, chlorite ± talc, iddingsite and saponite (Fig. 2A and B). The host rock of the MCL consists |  | | Journal (article/letter/editorial) | | (1 997) 8 Meteoritical Society, 1997. Printed in USA. Mineralogy of meteorite groups ALANE. RUBIN Institute...California, Los Angeles, Californi.190095-1567, USA Author's e-mail address: rubin@cosmic.igpp.ucla.edu...contain major amounts of hydrous phyllosilicates, complex organic compounds, magnetite, various sulfates...nontronite Na, Fe;, (Si,Al)4010 (OH),*nH,O 23 saponite (Ca,Na), 3(Mg,Fefz),(Si,AI)4 Olo(OH)2.4H,Cb B14...chondrites; phases include margarite, clintonite, saponite, Na-phlogopite, montmorillonite, chlorite and |  | | Journal (article/letter/editorial) | | element (PGE) resources of the Bushveld Igneous Complex of South Africa; the latter have relatively low...complexity. This combination of small target and complex geologic settings means that it can take a considerable...Trap flood basalts, and deposits of the Duluth Complex of Minnesota, associated with the Keweenawan flood...strata-bound contact-type (e.g., Platreef of the Bushveld Complex) and strata-bound stratiform reef-type (e.g., UG-2...UG-2 and Merensky reefs of the Bushveld Complex) deposits to reflect the differing positions and contact |  | | Book (chapter) | | Edinburgh EH3 6AJ 350 Main Street, Malden MA 02148 5018, USA 54 University Street, Carlton Victoria 3053, Australia...4YN (Orders: Tel: 01235 465500 Fax: 01235 465555) USA Blackwell Science, Inc. Commerce Place 350 Main Street...Greenland, 156 5.3.2 North Shore Volcanic Group, Minnesota, 157 5.4 Convergent settings, 162 5.4.l Canadian...hydrothermal metan1orphism, 185 The lower sheeted dyke complex and the plutonic section: the roots of submarine...University of Michigan, A1111 Arbor, NII 48109-1063, USA R. J. Merriman British Geological Survey, l(eyworth |  | | Book | | Mineralogical Mapping of the Kovdor Phoscorite–Carbonatite Complex, NW Russia: I. Forsterite Reprinted from: Minerals...Mineralogical Mapping of the Kovdor Phoscorite-Carbonatite Complex, NW Russia: II. Sulfides Reprinted from: Minerals...Mineralogical Mapping of the Kovdor Phoscorite-Carbonatite Complex, NW Russia: III. Pyrochlore Supergroup Minerals...Techniques of Saponite Recovery from Diamond Processing Plant Water and Areas of Saponite Application Reprinted...mineralogical mapping of the Kovdor phoscorite-carbonatite complex (Kola peninsula, Russia). On the basis of detailed |  | | Journal (article/letter/editorial) | | Ni deposits are rare and their identification in complex. Their geology and petrogenesis has not been well...geometric re-arrangement, intrusion related events and complex metamorphic histories), conceptually, ophiolitic...Undiff. alt. mica Undiff. very fine alt. mins Clay (saponite?) Clay (illite?) Magnetite Rock type D26 D27...Undiff. alt. mica Undiff. very fine alt. mins Clay (saponite?) Clay (illite?) Magnetite ‘Limonite’ Pyrite Pyrrhotite...Undiff. alt. mica Undiff. very fine alt. Clay (saponite?) Clay (illite?) Magnetite ‘Limonite’ Pyrite Pyrrhotite |  | | Report (issue) | | metallization in the western San Juan caldera complex, Colorado ........ . R.I. Grouch, Ken Hon, R.L...sulfides in the South Kawishiwi intrusion, Duluth Complex, Minnesota ............................ .Michael...the early magmatic environment: The Stillwater Complex, Montana ...... Nonnan J Page, W.J. Bawiec, R.J...The gravity and magnetic anomalies show that the complex continues beneath glaciers, alluvial cover, and...resource. The origin of marine phosphorites is complex. The phosphate originates in sea water, which is |  | | Book (volume) | | for a while at least. Gainesville, Florida 32605 USA 1 July 1979 John Drew Ridge VII OFFICERS OF IAGOD... ............................. ... J. D. fudge, USA First Vice-President. ............... ........ A...Geochemistry of Magmatic Sulfide Deposits, Duluth Complex, U.S.A....... ..... ................ .... ... , The Barrambie Vanadiferous Titanomagnetite Complex [Western Australia] ... .... .... ...... .... ...1nay occur in ore-forming fluids. How much more complex the problems of sulfur-metal complexes may be, |  | | Journal (article/letter/editorial) | | University of California, Los Angeles, CA 90095-1567, USA Institute of Geophysics and Planetary Physics, University...University of California, Los Angeles, CA 90095-1567, USA c Division of Geological and Planetary Sciences,...California Institute of Technology, Pasadena, CA 91125, USA b a r t i c l e i n f o Article history: Received...University of California, Los Angeles, CA 90095-1567, USA. http://dx.doi.org/10.1016/j.chemer.2017.01.005 0009-2819/©.... . . . . . . . . . . . . . . 00 2.10.18. IAB Complex and winonaites . . . . . . . . . . . . . . . . |  | | Report (volume) | | BUCHITES AND EMERIES Buchites Emeries Cortlandt Complex emeries PROPOSED PETROGENETIC GRID Restrictions...geometry of the isograds would be correspondingly complex. An apparent example of this effect is shown in...regional metamorphism typically have evidence of complex tectonothermal histories with several periods of...Tonalitic Margin of Ardara Pluton Granite -Diorite Complex of Naran Hill We Dip of Strata THE AREA X ...plutons represent the end result of what is a complex chemical and mechanical history. This complexity |  | | Journal (issue) | | Graves Mtn. (GA), (AZ), Austrian Minerals, Gardiner Complex (Greenland), Canaphite Hutchinsonite $12 Marsturite...Dome Dist. (AZ), v.29/#4 The Sweet Home Bushveld Complex, IDing microMine! 192 pages, 180 color photos!...The geology of the Mile 72 area is surprisingly complex, covering 425 million years of geologic history...younger (135 m.y.) granites of the Cape Cross Complex (Etendeka Group). The country rock into which the...which is presumed to be related to the Cape Cross Complex; and there are isolated secretion-type metamorphic |  | | Journal (volume) | | intrusions and the Keivitsa-Satovaara layered complex, northern Finland by Tapani Mutanen Geological...INTRUSIONS AND THE KEIVITSA-SATOVAARA LAYERED COMPLEX, NORTHERN FINLAND by TAPANI MUTANEN with 233...intrusions and the Keivitsa-Satovaara layered complex, northern Finland. Geological Survey of Finland...Koitelainen-type intrusion Keivitsa-Satovaara Complex Lower Chromitite Lapland Intrusion Belt Lowermost.............................. Archaean basement complex .............................................. |  | | Book | | EH1 2QH 52 Beacon Street, Boston, Mass. 02108, USA 214 Berkeley Street, Carlton Victoria 3053, Australia...Nova Scotia, in Germany and in the southwestern USA. At the Naciemento Mine in New Mexico a deposit of...stratiform naturally chromite seams in the Bushveld Complex of South Africa (Fig. 8.1). Another form of orthomagmatic...3.1. Chromite grains in anorthosite, Bushveld Complex, South Africa. The chromites are euhedral crystals...bands in anorthosite, Dwars River Bridge, Bushveld Complex, South Africa. The central band is 1.3 mm thick |  | | Book | | One Liberty Plaza, 20th Floor, New York, NY 10006, USA 477 Williamstown Road, Port Melbourne, VIC 3207,...L’Aigle (France, 1803), and Weston (Connecticut, USA, 1807). The discovery of asteroids proved that interplanetary...Lizardite Smectite Group Montmorillonite Nontronite Saponite Sodium-Phlogopite Aspidolite Talc Vermiculite...approved) Rutheniridosmine Rutile Safflorite Sanidine Saponite Sapphirine Sarcopside Scheelite Schöllhornite...(parmanu) combined in different arrangements to create complex common materials. Definitions and Explications |  | | Journal (article/letter/editorial) | | 2Northern Arizona University, Flagstaff, AZ 86011, USA. Introduction: Because the extent of isotope fractionation... A11 © Meteoritical Society, 2006. Printed in USA. A12 70th Annual Meeting of the Meteoritical Society:...C. 20015, USA. E-mail: alexande@dtm.ciw.edu. 2U.S. Geological Survey, Reston, VA 20192, USA. E-mail: jgrossman@usgs...American Museum of Natural History, New York, NY 10024, USA. E-mail: debel@amnh.org. Introduction: Any model...Department, Washington University, St. Louis, MO 63130, USA. E-mail: sa@wuphys.wustl.edu. 2Enrico Fermi Institute |
|
