 | | Journal (article/letter/editorial) | | Lomagundi carbon isotope excursion in the Great Lakes area, North America A. Bekker a,∗ , J.A. Karhu b , A...5251 Broad Branch Rd., N.W., Washington, DC 20015, USA b Department of Geology, University of Helsinki,...Maryland at College Park, College Park, MD 20742, USA Received 13 November 2005; received in revised form...of the Chocolay Group in the Lake Superior area, USA and the Gordon Lake Formation of the correlative...event. Notably, thin carbonates of the basal Gordon Lake Formation and thick carbonate succession of the |  | | Report (issue) | | (CaBSiO4OH) vesicle filling from a basaltic Houghton County lava flow. Small specks of native copper occur...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Journal (article/letter/editorial) | | Department of Geology Central Michigan University Mount Pleasant, Michigan 48859 Downloaded by [JAMES...Marble (white) Cambro-Ordovician Moretti-Hurrah quarry, Sylacauga Alaska Douglas Volcanic Series Meta-Basalt..."marble") Ordovician Oran McBride Company quarry, Independence County California Mariposite-rich rock (green...Near Sutter's Mill, near Placerville, El Dorado County Colorado* Pikes Peak Granite (pink) 1 b.y. (Proterozoic)...616 ± 78 m.y. (Proterozoic) Castellucci & Sons quarry, near Stony Creek, Town of Branford Delaware |  | | Report (issue) | | Michigamme Formation and Goodrich Quartzite, Northern Michigan Regional Stratigraphic Implications and Suggested...Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105, 125 South State...Michigamme Formation and Goodrich Quartzite, Northern Michigan Regional Stratigraphic Implications and Suggested...BULLETIN 1904 CONTRIBUTIONS TO PRECAMBRIAN GEOLOGY OF LAKE SUPERIOR REGION P.K. SIMS and L.M.H. CARTER, Editors...Michigamme Formation and Goodrich Quartzite, northern Michigan: regional stratigraphic implications and suggested |  | | Journal (article/letter/editorial) | | Road, Washington, Connecticut 06793. The area of Litchfield County immediately north of the Litchfield town...the limits of the area surveyed, the geology is considerably more complex. This area includes at least...and stringers of the Hodges Mafic Complex, an amphibolite body to the north. The Middle Member of the Hartland...Hartland Formation is typical of the area—a coarse-grained muscovite-quartz schist with sizeable masses...length. At the dump of the most northerly quartz quarry, large ilmenite crystals over two inches in diameter |  | | Report (issue) | | and Ore Deposits of Jerome Yavapai County, Arizona Paul Lindberg Arizona Geological Society Fall Field...appreciate the time and effort of our trip leader, Paul Lindberg-with more than three decades of experience in...Their Origin and Production History I Paul A. Lindberg, Consulting Geologist, Sedona, Arizona Arizona...the Jerome volcanogenic ore bodies. Of the Jerome area ore deposits, the United Verde (phelps Dodge) and...of 4500 feet at the United Verde mine. The Jerome area provides one of the best exposed volcanogenic systems |  | | Journal (article/letter/editorial) | | HuNntcu, The Unitersi.tyof Michi'gan,Ann Arbor, Michigan' ABSTRACT INrnooucnoN The wolf creek pluton is...in Beaverhead County but extending for a short distance northeast into Madison county (Fig. 1), near...of and Mineralogy, The University of Michigan, Ann Arbor, Michigan' 598 E. WM. HEINRTCH x{uch o{ the...Al luvium Orobose courutv f6oq Ii SEAVERHEAD COUNTY € -1 t: l.r fVo;:y' r/ 1 t-'-'--7: ?i>a-1...schist and gneiss, ironstones, hornblende gneiss, amphibolite Biotite-garnet gneiss, quartz-feldspar gneisses |  | | Journal (article/letter/editorial) | | . Allanite from the Mount Wheeler 'White area, Pine County, N e v a d a( L e e ,B a s t r o m ) . . ...Anthophyllite albiteepidote hornfels facies, Fremont County, Colorado (Salotti) Antigorite, ferroan (Jenkinsite)...Aragonite in the Franciscan rocks of the Pacheco Pass area, California (McKee) Argillaceousrocks, a scheme...barite deular and semi-random oneposit in Hot Spring County, layer structures.. 819 Arkansas (Lippmann) Ba...(Book review) Raotite (Pao-T'ou-K'uang)from Ravalii County, Montana Beryl, an unusual, from Arizona (Schaller |  | | Journal (article/letter/editorial) | | originalpatterns. • v • • • • NUTAK • Lynn Lake LaRong e•?•-------•'•.•-• Belt-Flirt FI• A•.e•...Wisconsin Magmatic Terranes (PenokeanVolcanicBelt) Marquette Range Supergroup metavolcanic rocks(bimod...correlatesstratigraphically with the MarquetteRangeSupergroupin Michigan. The secondmajor terrane, southof the northern...ASSEMBLAGE Northern Penokean Terrane (NPT) • Marquette Range Supergroup (1,820-2,100 Ma) and gneiss,granite...low-dippingstructuresaveraging8 ft in true width, 1860 Ma?)amphibolite faciessequence (quartz-feld- eachcomposedof quartz |  | | Journal (article/letter/editorial) | | 1329 Arizona Economic geology Aluminum, Maricopa county, Wickenberg (Sheridan, Michael F , et al.) tt-t2...(Mclean, W. John, er a/.) 7-E 1103 Hemihedrite,Pinal county, Florencemine, Maricopacounty, Wickenburg,Rat Tail...a/.) 7-8 1088 Kinoite, SantaRita mountains,Pima county (Anthony, John W., er a/.) 5-6 7O9 Phoenicochroite...er a/.) 1.2 224 Breccia Intrusive Utah, San Juan county, MosesRock dike, kimberlite (McGetchin, Thomas...(Omori, Keiichi.) tt-12 1897 Wardsmithite,Inyo county, Death Valley, Tertiary, Furnace Creek formation |  | | Journal (article/letter/editorial) | | the Penokean Volcanic Belt, Great Lakes Region, USA: Constraints on the Source of Sulfur in a Paleoproterozoic...Sciences, Western Michigan University, 1903 W Michigan Ave Kalamazoo, MI 49008, USA; nicholas.m.moleski@wmich...metamorphism varies from lower greenschist to amphibolite facies. The volcanic-volcaniclastic host rock...northern Wisconsin into the upper peninsula of Michigan. It hosts a large collection of polymetallic VMS...metamorphism varies from lower greenschist to amphibolite facies. The volcanic-volcaniclastic host rock |  | | Report (issue) | | Chief mine Copper Chief mine discussion-Paul A. Lindberg Return to Prescott Steak fry* at Bronze Saddle...Hank Kreis 1 46 Peter Kurisoo 1 24 Paul A. Lindberg 1 5 Maurice Magee 1 20 Phil Matthews 1...Leaders: Paul A . Handverger Don White Paul A. Lindberg Phillip Anderson J. R . Lawrence Coordinators:...Government Canyon granodiorite . 3.1 2. 3 Watson Lake. To the northeast, are the first outcrops of the...thought to be the youngest Precambrian rocks in the area. 25 . 3 1.6 The unconformable contact between |  | | Report (issue) | | Center, Rm. 1C402, 12201 Sunrise Valley Dr. • SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105, 125 South State...08. Map showing geology of the Unjted Verde mine area D14 09. Element-element plots for the 2400 level...Juneau D28 012. Generalized geologic map of Juneau area showing locations of mines in the A-J and Treadwell...slope of th e Black Hills, near Jerome, Yavapai County, Ariz., 64 km southwest of Flagstaff (fig. D1)...-:t ~/\ 1 - - - - - - - - - - - - , ;r 0 ARIZONA Area of 1gure 01 E]... • ~ mine ~ ~DeSoto mine |  | | Journal (issue) | | herein. Special regulations for photocopies in the USA: Photocopies may be made for personal or in-house...Center, Inc., 21 Congress Street, Salem, MA 01970, USA, stating the ISSN 1436-3798, the volume, and the...communications should include both York, NY 10010, USA are our mailing agents. Post Master send all address...Journal Fulfillment P.O. Box 2485 Secaucus, USA NJ 07096-2485 Tel.: +1-800-SPRINGER or +1-212-4601500...(01)-(205) 391-3535 Fax. (01)-(205) 391-3534 USA e-mail: env_geol@juno.com Gunter DorHorer “La Sapienza” |  | | Report (issue) | | Appendix. The interest shown by the geologists of the Lake Superior region in theprogress of the investigation.... . Bikita Quarry Lepidolite ...... . Chestnut Flat Mine Muscovite .... . Petrick Quarry Biotites .....Intrusives ..... Sequence of Intrusions . Knife Lake Group ...... . History of the Name .. . Ogishke...Soudan Area ................ . Knife Lake Area ..... . Snowbank Lake Area .. Saganaga Lake Area ... Vermilion........ . Laurentian Orogeny ............ . Knife Lake Group ............ . Algoman Orogeny .......... |  | Planavsky, Noah, Bekker, Andrey, Rouxel, Olivier J., Kamber, Balz, Hofmann, Axel, Knudsen, Andrew, Lyons, Timothy W. (2010) Rare Earth Element and yttrium compositions of Archean and Paleoproterozoic Fe formations revisited: New perspectives on the significance and mechanisms of deposition. Geochimica et Cosmochimica Acta, 74 (22) 6387-6405 doi:10.1016/j.gca.2010.07.021 | Journal (article/letter/editorial) | | University of California, Riverside, Riverside, CA 92521, USA Department of Marine Chemistry and Geochemistry,...Hole Oceanographic Institute, Woods Hole, MA 02543, USA c Department of Geological Sciences, University of...Geology, Lawrence University, Appleton, WI 54912, USA b Received 16 December 2009; accepted in revised...University of California, Riverside, Riverside, CA 92521, USA. Tel.: +1 951 452 6227. E-mail address: planavsky@gmail...contribution. In the Biwabik Fe Formation of the ca. 1.9 Ga Lake Superior region (Tables 1A and 1B and 2), there |  | | Report (issue) | | Movement of moisture in the unsaturated zone in a dune area, southwestern Kansas, by R. C. Prill. _____________...Flood height-frequency relations for the plains area in Missouri, by E. E. Gann._________________-__--_----------An...-------Ground-water discharge toward Great Salt Lake through valley fill in the Jordan Valley, Utah,...Formation (Pliocene) of the Parker-Blythe-Cibola area, Arizona and California, by D. G. Metzger__ _ Provenance...Serpentinite and rodingite in Hunting Hill quarry, Montgomery County, Md. A summary, by D. M. Larrabee. _______ |  | | Journal (article/letter/editorial) | | and Creasey, 1958; Anderson and Guilbert, 1979; Lindberg, 1989; Fig. 1). Here we document Paleoproterozoic...previously in the southwestern North America province (Lindberg, 1986, 1989; Titley and Zürcher, 2008). Regional...deposit(s) in each category are named. Compiled from Lindberg (1989), Whitmeyer and Karlstrom (2007), and Leveille...central Arizona is characterized by greenschist to amphibolite facies, submarine volcanic and volcaniclastic...and Creasey, 1958; Anderson and Guilbert, 1979; Lindberg, 1986, 1989; Fig. 1). Rhyolite stratigraphically |  | | Journal (article/letter/editorial) | | for its complex phosphate mineral assemblages (Lindberg & Pecora 1958, Hirson 1965, Farias 1976, Svisero...frondelite (Lindberg 1949), faheyite (Lindberg & Murata 1952, 1953), moraesite (Lindberg et al. 1953)...to cyrilovite (Lindberg & Pecora 1954a, Lindberg 1957), barbosalite, tavorite (Lindberg & Pecora 1954b...1954b, 1955), lipscombite (Lindberg 1962), arrojadite-(PbFe) (Chopin et al. 2006) and ruifrancoite (Atencio...pegmatite body can be found in the literature (Lindberg & Pecora 1958, Cassedanne & Baptista 1999). Moreover |  | | Report (issue) | | Basin and Range physiographic provinces. The map area encompasses about 5,100 sq km (1,970 sq mi) and...lands. Three drainage basins are within the map area (fig. 1): those of the Verde, Agua Fria, and Santa...Bradshaw Mountains and, in the western third of the map area, by isolated volcanic and sedimentary plateaus....Santa Maria River in the southwest corner of the map area. The geologic formations are Proterozoic volcanic...in most of the southwestern two-thirds of the map area. Stratified and intrusive rocks of Early Proterozoic |  | | Journal (article/letter/editorial) | | phosphorites along the Caledonian front (e.g. in the Lake Mjøsa district, nos. 9 and10). The final amalgamation...stratiform units intercalated with different types of amphibolite facies mica schists and calcitic to dolomitic...feldspatic sandstones and arkoses (sparagmites) in the Lake Mjøsa District and in the Cambro-Ordovician shale-carbonate...phosphorite-pebble conglomerate at Steinsviken, Lake Mjøsa, (no. 10) contain 2.1 wt.% and 6.69 wt.% P2O5...that was followed underground from the Cappelen quarry (CQ in Fig. 2) to a depth of about 150 m (Bjørlykke |  | Bekker, A., Slack, J. F., Planavsky, N., Krapez, B., Hofmann, A., Konhauser, K. O., Rouxel, O. J. (2010) Iron Formation: The Sedimentary Product of a Complex Interplay among Mantle, Tectonic, Oceanic, and Biospheric Processes. Economic Geology, 105 (3) 467-508 doi:10.2113/gsecongeo.105.3.467 | Journal (article/letter/editorial) | | Paleoproterozoic iron formations in the Animikie basin of the Lake Superior region, Cloud (1965) argued for a role...Braemar Iron Formation, 7 = Yamata Formation, 8 = Lake Khanka Formation, 9 = Rapitan Formation, 10 = Chuos...Formation, 22 = Alwar Group, 23 = Hutchison Group, 24 = Lake Superior region (includes five large iron formations)...rarely fits its traditional description in its type area. Sample is from the DB13 macroband of the Dales...resedimented to the basin floor. Consequently, the area of BIF deposition covers the entire basin floor |  | | | | single-crystal X-ray diffraction data (Mo-Ka radiation, CCD area detector). The structure of plimerite is isotypic...rockbridgeite after the occurrence near Midvale, Rockbridge County, Virginia. The formula of rockbridgeite was given...Fe2+Fe3+ 6 (PO4)4(OH)8 based on four analyses. Lindberg (1949) gave the formula as Fe2+Fe3+ 4 (PO4)3(OH)5...Frondelite, Mn2+Fe3+ 4 (PO4)3(OH)5, was described by Lindberg (1949) from the Sapucaia pegmatite, Minas Gerais... Broken Hill, NSW, Australia Irish Creek, VA., USA Reference Formula Symmetry Space group a (Å) b |  | | Journal (article/letter/editorial) | | Berry, L. G. The space Allophanes from Lawrence County, group of conichalcite. 557 f n d i a n a(. W h...Mount MarcY 330 81oss,F.D...... quadfalrgler Essex CountY' Blggild, O. B. The Mineralogy of N.Y. (Jafre)...Coleman, L. C. Mineralogy of the Yellowknife Bay Area, N.W.T. 506 Colemanite, r-ray crystallography ....m a nI ., . . . . Enchanted Rock pluton, Llano County, Texas, texture of. (Hutchinson). . . 346 Endellite...uranium-bearirg bodies in San Bernardino .. 1040 County, California .340,342 Goldsmith,J. R. 341 Goodman |
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