 | | Report (issue) | | AND SOUTHEASTERN PARTS OF THE IRON RIVER DISTRICT IRON COUNTY, MICHIGAN By Harold L. James and Kenneth...cooperation of the Geological Survey Division, Michigan Department of Conservation WASHINGTON, D. C....AND SOUTHEASTERN PARTS OF THE IRON RIVER DISTRICT. ffiON Ā·COUNTY, MICHIGAN By Harold L. James and Kenneth...ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ Footwall strata..................... Iron-f'orma tion. ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢...wā¢ā¢ā¢ā¢ā¢ā¢ā¢ Section 24, T. 43 N., R. 35 w....... Spies mine area ( EisEt) ā¢ā¢ā¢ā¢ā¢ā¢ Ā·ā¢ ā¢ ā¢ .SwtĀ· sec. 24.. ā¢ ā¢ |  | | Report (issue) | | and Ore Deposits of the Iron River-Crystal Falls District, Iron County Michigan GEOLOGICAL SURVEY PROFESSIONAL...of the Michigan Department of Conservation PAPER 570 Geology and Ore Deposits of the Iron River-Crystal...River-Crystal Falls District, Iron County Michigan By H. L. JAMES, C. E. BUTTON, F. J. PETTIJOHN, and K. L...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT...formations. _______________________________ Baraga Group._____________________________ Hemlock Formation___________________ |  | | Journal (article/letter/editorial) | | wouldbe masses o{ chromitein peridotite, titani{erous iron ore in anorthosite, or contemporaneous deposits...contributionfrom a distant and later source;i.e., the sulfurand iron may be purely of syngenetic origin whereas the ...syngeneticto epigeneticdepositsis well illustratedby the Iron Springsiron depositsnear Cedar City, Utah, describedby...network of minor veins in the outer part of the Iron Springs intrusion dependsprimarily on relation of...stagnantand organic-richparts of the basins. Manganese-iron noduleswere concentratedwhere aerated bottom water |  | | Journal (article/letter/editorial) | | collected on some mine dumps around Marble Peak in the Santa Catalina Mountains, in Pima County, Arizona. A...911-921 (Dr. Walter F. Hunt, Editor, University of Michigan, Ann Arbor, Mich.) CALIFORNIA: Since the early...taken from the Cherokee district placers in Butte County, California. Mineral Information Service, July...Littlefield of Stonewall in old Campbell County (now Fulton County), sent in an interesting specimen of rutile...fluorite have come from the J. L. Davis fluorite mine, Cave-inRock, Hardin Co., 111. I N D I A N A : Last |  | Ye, Zaojun, Kesler, Stephen E., Essene, Eric J., Zohar, Pamela B., Borhauer, Jeffrey L. (2003) Relation of Carlin-type gold mineralization to lithology, structure and alteration: Screamer zone, Betze-Post deposit, Nevada. Mineralium Deposita, 38 (1) 22-38 doi:10.1007/s00126-002-0265-8 | Journal (article/letter/editorial) | | Geological Sciences, University of Michigan, Ann Arbor, MI 48105, USA E-mail: Skesler@umich.edu P.B. Zohar...Elko, NV 89803, USA J.L. Borhauer SNC Lavalin America, Inc., P.O. Box 29, Elko, NV 8903, USA horizontal...shows a direct relation to gold grade is pyrite. Some pyrite formed by sulļ¬dation of the original rock...rock, but much of it formed by addition of pyrite to the rock. Stability limits for ore and alteration assemblages...control the location of ore, and in the remaining group stratigraphy and lithology are the main controlling |  | | Journal (article/letter/editorial) | | conditions pertained for much of the upper Mount Isa Group time (includingthe Urquhart Shale). Graphitederivedfrom...consensus exists sphericalpyrite grains(Love and Zimmerman,1961; regardingthe origin of the Cu ores.Many...conditionsexistedwithin sedimentpore waters and, Isa Group,manytensof Ma after the sedimentswere possibly,in...presentnew volatileandprecious to the Mount Isa Group (M. Neudert, pers. commun., metaltraceelementda...direct geneticlink between the Cu and Pb-Zn-Ag Isa Group and the Surprise Creek Formation were mineralizationand |  | | Journal (article/letter/editorial) | | disseminated gold, hosted primarily by arsenian pyrite. Other metals show very little enrichment although...and 0 to > 45%0 (sulfates). Ore-related sulfides (pyrite, realgar) fall at the upper end of the range reported...containing native Au and sulfide ores containing Au in pyrite. The extreme variations in sulfur isotopes as seen...discovery and development of Carlin as a bulk-tonnage mine between 1962 and 1965 (Hausen and Kerr, 1968). SHDG...most important fossil hydrothermal systems in the USA. Until the past few years, the prevailing hypothesis |  | Wanhainen, Christina, Billstrƶm, Kjell, Martinsson, Olof, Stein, Holly, Nordin, Roger (2005) 160Ā Ma of magmatic/hydrothermal and metamorphic activity in the GƤllivare area: ReāOs dating of molybdenite and UāPb dating of titanite from the Aitik CuāAuāAg deposit, northern Sweden. Mineralium Deposita, 40 (4) 435-447 doi:10.1007/s00126-005-0006-x | Journal (article/letter/editorial) | | Colorado State University, Fort Collins, CO 80523-1482, USA R. Nordin Boliden Mineral AB, 93681 Boliden, Sweden...copperāgold ores, stratiform copper ores and apatite iron ores (e.g. the Aitik CuāAuāAg deposit, the Viscaria...deposit, the Kiirunavaara and Malmberget apatite iron deposits, respectively). It is responsible for about...total ore produced in Sweden at present. The Aitik mine is situated 60 km north of the Arctic Circle, and...Scandinavia. Shaded area represents the Norrbotten County. b Simpliļ¬ed geological map of the northern Norrbotten |  | | Journal (article/letter/editorial) | | and substantiates earlier results of Love and Zimmerman (1961). The frambold residues described by these...microfossils but nevertheless the occurrence of framboidal pyrite has important implications for the timing of leadzinc...INTRODUCTION NIicrofossils were described by Love and Zimmerman (1961) and Love (1965) from pyritic rocks in the...the Urquhart Shale, a formation of the Mount Isa Group (Bennett, 1965); they form part of the Carpentarian...(Page, 1979). MICROFOSSIL ASSEMBLAGES Love and Zimmerman (1961) and Love (1965) were particularly interested |  | | Journal (article/letter/editorial) | | view of the Tenderfoot mine (about 19131, Esterbrook copper district, Albany County. John Taylor collection...Dyck and Grace Dyck and wus titled āThe Sunrise Iron Mine near Hartville, Wyomingā; it appeared in the MaylJune...āThe Copper Mountain Pegmatite District, Freniont County, Wyomingā and was in the JulylAugust 2001 issue...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous...names are from Hausel (1986). Localities by County Albany County Allanite pegmatite, 12 miles W of Bosler |  | | Journal (article/letter/editorial) | | Washington, DC 20009 Nature Nature Publishing Group, 75 Varick Street, 9th Floor, New York, NY 10013-1917...conceptual fuzzy-logic prospectivity modelling for iron oxide copper-gold deposits in the northern Fennoscandian...Sierra Foothills gold province, central California, USA: A GIS-based reconnaissance prospectivity analysisāF...at oceanic spreading centersāRan Qin and W. Roger Buck Vol. 245, No. 3ā4, 2007 Vol. 246, No. 1ā2, 2007...EARTH SCIENCES Garnet xenocrysts from the Diavik mine, NWT, Canada: Composition, color, and paragenesisāHayley |  | | Book | | Provinee, Missouri, Arkansas, Kansas and Oklahoma, USA D.L. Leaeh ........................................Valley-Type Mud Volcano Mass at Deeaturville, Missouri, USA R.A. Zimmermann and M. Sehidlowski . . . . . . ..... . . 228 Mississippi Valley-Type, Sedex, and Iron Deposits in Lower Cretaeeous Roeks of the Basque-Cantabrian...mentioned above are two end members within the broad group of sediment-hosted zine-Iead deposits. Sangster...not only form fluorite and barite ores, but also iron deposits as in the Basque-Cantabrian basin (Velasco |  | | Journal (issue) | | . . . . 6 Z immerman U ranium Prospect, Carbon County .. V. .... .. .. 10 Western Pennsy lvania Drainage...Catastrophic results of landsliding in Allegheny County. Note colla psing foundation in lower right foreground;...the nation's most modern underground iron mines, the Grace Mine, has closed down, even though the reserves...the availabliity of low cost, high grade, foreign iron ore to supply the remaining domestic steel furnaces...economic situation with which the Pennsylvania iron mine could not compete. Mineral economics, however |  | | Journal (article/letter/editorial) | | University of Texas at El Paso, El Paso, Texas 79968, USA. contain 3,836 Mt of primary hypogene sulfide and...al., 2001), including detailed dating studies (Zimmerman Ā©2020 Society of Economic Geologists; Economic...(Gustafson et al., 2001) are noted by pink stars; local mine grid plotted (Gustafson and Hunt, 1975; Gustafson... Sample JES-115C Location: latitude/longitude (mine grid, m elevation) Occurrence 26Ā°15ā40āS 69Ā°33ā49āW...values that are ~15 to 30ā° heavier than coexisting pyrite (Rye et al., 1992; Hedenquist et al., 2017), indicating |  | | Journal (article/letter/editorial) | | 148-156 Ā© Springer-Verlag 1993 Z. Sawlowicz Pyrite framboids and their development: a new conceptual...knowledge of pyrite framboids It has been suggested that the two morphologies of sedimentary pyrite, framboids...two distinct pathways of pyrite formation. Framboids form indirectly via iron monosulphides, whereas euhedra...framboids to polyframboids. Abstract Key words Pyrite - pyrite formation - framboids Introduction The spherical...(Russell et al. 1989; 1990). The occurrence of pyrite in framboidal aggregates is common in Recent marine |  | | Journal (article/letter/editorial) | | Moiseenko 857 Vol. 51, No. 2, 2013 Detrital platinum-group minerals in rivers draining the Great Dyke, ZimbabweāThomas...responsible for tungsten mineralization at Takatori mine, JapanāKyoko Masukawa, Yoshiro Nishio, and Ken-ichiro...Hystad, Ian Goldstein, Holly J. Stein, Aaron Zimmerman, Dimitri A. Sverjensky, John T. Armstrong, and...Magmatic-hydrothermal processes within an evolving Earth: Iron oxide-copper-gold and porphyry Cu Ā± Mo Ā± Au depositsā...stratiform copper mineralization, northern Michigan, USA, from paleomagnetismāD.T.A. Symons, K. Kawasaki |  | | Journal (article/letter/editorial) | | BEDDED PYRITE AND MICRO-ORGANISMS MOUNT L. G. LOVE ISA AND FROM THE SHALE D. O. ZIMMERMAN CONTENTS...beddedpyrite layers ................................ Pyrite .................................................875 876 876 880 880 880 Zoning structuresof the pyrite-I .................................... Isolation...Preparationof the pyrite concentrate............................. Oxidation of the pyrite concentrate................................................... Pyrite-I grain zoningand the micro-organisms......... |  | Yang, G., Hannah, J.L., Zimmerman, A., Stein, H.J., Bekker, A. (2009) ReāOs depositional age for Archean carbonaceous slates from the southwestern Superior Province: Challenges and insights. Earth and Planetary Science Letters, 280 (1) 83-92 doi:10.1016/j.epsl.2009.01.019 | Journal (article/letter/editorial) | | and insights G. Yang a,ā, J.L. Hannah a,b, A. Zimmerman a, H.J. Stein a,b, A. Bekker c,d a AIRIE Program...Colorado State University, Fort Collins, CO 80523-1482, USA Geological Survey of Norway, 7491 Trondheim, Norway...Carnegie Institute of Washington, Washington, DC 20015, USA d Department of Geological Sciences, University of...Welldeveloped D2 cleavage is sub-parallel to bedding. Pyrite occurs in nodules, disseminations, and beddingparallel...0.3 to 300 m in thickness and contain up to 10% pyrite, occurring as nodules, concretions, disseminated |  | Zimmerman, Aaron, Stein, Holly J., Morgan, John W., Markey, Richard J., Watanabe, Yasushi (2014) ReāOs geochronology of the El Salvador porphyry CuāMo deposit, Chile: Tracking analytical improvements in accuracy and precision over the past decade. Geochimica et Cosmochimica Acta, 131. 13-32 doi:10.1016/j.gca.2014.01.016 | Journal (article/letter/editorial) | | accuracy and precision over the past decade Aaron Zimmerman a,ā, Holly J. Stein a,b, John W. Morgan a, Richard...Colorado State University, Fort Collins, CO 80523-1482, USA b CEED Centre of Excellence, University of Oslo,...the ļ¬rst tennantiteāpyrite ReāOs isochron along with tennantiteāenargiteāpyrite Os tracing of ore metals...Salvador. A ļ¬ve-point 187Reā187Os isochron for pyriteātennantite from the latest D-stage veins yields...single Re and Os spikes (42.4ā42.0 Ma). A separate pyrite and tennantiteāenargite pair containing signiļ¬cant |  | | Journal (article/letter/editorial) | | and its polymorph aragonite, two minerals in a group of around 60, of which calcite and dolomite are...carbon remineralization (Fig. 5, Burdige and Zimmerman, 2002; Burdige et al., 2008). Oxygen can be delivered...be on the order of 30-80 g/m2/yr (Burdige and Zimmerman, 2002; Burdige et al., 2008), similar to estimates...changes in pore water chemistry (Burdige and Zimmerman, 2002; Burdige et TE D al., 2008; Ku et al...P between 0.04 and 0.1 Pg C/yr (Burdige and Zimmerman, 2002; Burdige et al., 2008; Ku et al., 1999; |  | | Report (issue) | | schist, minor amounts of sulfide minerals, mostly pyrite, and free gold. Many of the world's finest crystalline...sericite, albite, and quartz and 3 to 4 percent pyrite and arsenopyrite. It is interlaced with veinlets...carbonate and subordinate sericite, quartz, albite, and pyrite. In both the mineralized greenstone and mineralized...chalcopyrite, galena, and sphalerite as well as pyrite. West Belt deposits are similar to those of the...the Mother Lode, with gold occuring with pyrite in altered metamorphic rock adjacent to quartz veins as |  | | Journal (article/letter/editorial) | | alloyed with cussed it has seen anything like it from iron. ā CHEMICAL AND ENGINEERING any other locationānor...an in a recent letter he writes: "Bastnaand old mine tunnel located west of Tucson. There were also calcite...much of the barite with cal- tain Pass, Calif. The mine is about 3 miles cite and galena." David P. Record...Mart, 4400 Mission Road, road leads to the mine. The mine consists of one shaft. Some bastnasite has...crystals. It is an attractive speciassaying. This mine will be a potential men. source of cerium metal |  | | Journal (article/letter/editorial) | | the Mid-Proterozoic Newland Formation, Montana, USA J. Sehieber Department of Geology, The University...mineralization is controlled by initial porosity, and that iron and base metals were derived from different sources...pyritic shales are probably pyrite mineralized microbial mats, that the iron was carried into the basin...defined sequence of diagenetic minerals, including pyrite (Py), sphalerite (Shl), galena (Gn), chalcopyrite...replacement of preexisting Py). Pyrite diagenesis Five distinct types of pyrite (Py-A through Py-E) are present |  | | Journal (article/letter/editorial) | | rockalteration.More recently,severalauthorssuchas Zimmerman (1965, 1969), Zimmermanand Amstutz (1964), Shawe...0.64 to 5.0 to 10.0 pyrite, organic matter pyrite, organic matter pyrite,sericite, organicmatter...coarsergrained than impure laminae; 120Ćø triple junctions; pyrite cubesand pyriteohedrons quartz grainsare similar...3 to 10.0 Quartz,muscorite, chlorite, illire, pyrite, organic matter Chertsiltstone, musc.phy. illire...mosaic; to 0.15 1.0 to 6.0 Calcite,ironox., pyrite,quartz, organicmatter Limestone Strong fetidwhen |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |
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