 | | Journal (article/letter/editorial) | | MARCH 1951 IRON FORMATION AND ASSOCIATED ROCKS IN THE IRON RIVER DISTRICT, MICHIGAN By HAROLD L. JAMES...JAMES ABSTRACT The iron formation of the Iron River district is part of a Precambrian sequence of strata...characterized by a high iron content and varied mineralogy. The iron formation, where unoxidized, consists...cent iron in the form of very finely disseminated pyrite. Graywacke overlies the iron formation with...consists of clastic grains in a matrix of siderite or iron-rich chlorite. Above the graywacke is a magnetic |  | | Report (issue) | | Mineral Resource Assessment of the Iron River 1 ° X 2° Quadrangle, Michigan and Wisconsin Prepared in cooperation...cooperation with Geological Survey Division, Michigan Department of Natural Resources, and Wisconsin Geological... Mineral Resource Assessment of the Iron River 1 ° X 2° Quadrangle, Michigan and Wisconsin By W. F. Cannon...in cooperation with Geological Survey Division, Michigan Department of Natural Resources, and Wisconsin...favorability for undiscovered mineral deposits in the Iron River 1° X 2° quadrangle 1983 United States Department |  | | Report (issue) | | and Ore Deposits of the Iron River-Crystal Falls District, Iron County Michigan GEOLOGICAL SURVEY PROFESSIONAL...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. WIER...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT...____ Greenstone in the Brule River area ___________ Saunders Formation ______________________ Description |  | | Journal (issue) | | ornacite, Hemimorphite & Rosasite From the Alice Mine, Goodsprings, Clark Co., Nevada Tony Nikischer Excalibur...offered me a modest lot of material from the Alice Mine, near Goodsprings, Clark Co., Nevada. The deposit...unknownolive greenelongatedneedlesfrom the Alice Mine provedto be molydofomacite, as evidencedby Mo>CrEDSanalysis...years ago I collected at the site of the Big Mike Mine in the mouth of Panther Canyon, Tobin Range, Pershing...occurred under very specific conditions along the mine walls. Fig.1: Ch?lcopyrite, 11x8x6cm, Big MikeMine |  | Czaja, Andrew D., Van Kranendonk, Martin J., Beard, Brian L., Johnson, Clark M. (2018) A multistage origin for Neoarchean layered hematite-magnetite iron formation from the Weld Range, Yilgarn Craton, Western Australia. Chemical Geology, 488. 125-137 doi:10.1016/j.chemgeo.2018.04.019 | Journal (article/letter/editorial) | | origin for Neoarchean layered hematite-magnetite iron formation from the Weld Range, Yilgarn Craton, Western...origin for Neoarchean layered hematite-magnetite iron formation from the Weld Range, Yilgarn Craton, Western...origin for Neoarchean layered hematite-magnetite iron formation from the Weld Range, Yilgarn Craton, Western...Cincinnati, OH CR 1 IP T Johnson2,5 45221-0013, USA NASA Astrobiology Institute 3 School of Biological...of Wisconsin, Madison, WI ED M 4 PT 53706, USA AC 556-6931 CE *Corresponding author. E-mail: |  | | Journal (issue) | | Mouawad Campus 5345 Armada Drive Carlsbad, CA 92008 USA © 2018 Gemological Institute of America All rights...Defect responsible Most common colors Geological formation Key gemological observations GR1 Green to blue-green...2000°C or higher (Zaitsev, 2003). OCCURRENCE AND FORMATION Nickel-Related Defects. Nickel is an uncommon...to human rights concerns (Miller, 2011). The formation mechanism for green diamonds in the earth varies... In these cases, it is likely that some form of beta particle decay (or possibly gamma radiation) is |  | | Journal (issue) | | Montana’s capital city, is partnering with The Carter County Museum in Ekalaka – dinosaur fossils from within...expeditions to active sites in the Hell Creek Formation and participate in dinosaur excavation, plant...Tradition And ‘Living the Dream’ at Wild Turkey Mine 20 cherishing chert A Mother Rock for the Ages...atop matrix mined in Clear Creek County, Colorado; Banded Iron Formation (BIF) chert mined near Jerome,...Non-transferrable.RG6/19 RG3/20 ROYAL PEACOCK OPAL MINE Dig your own Virgin Valley Fire Opals ALL YOU FIND |  | | Book | | CONSERVATION, VOLUME I: Prior to 1900/ Donald R. Coates RIVER MORPHOLOGY / Stanley A. Schumm SPITS AND BARS/ Maurice...PLATE TECTONIC REGIMES / W. G. Ernst GEOCHEMISTRY OF IRON / Henry Lepp Additional volumes in preparation...———A BENCHMARK @® Books Series GEOCHEMISTRY OF IRON Edited by HENRY LEPP Macalester College ywden...Geochemistry of (Benchmark i. papers iron. in geology Iron--Addresses, QE516 FING 593-3 ISBN 0-470-52776-5...Permissions ACKNOWLEDGMENTS DEPARTMENT NESOTA OF IRON RANGE RESOURCES AND REHABILITATION OF THE STATE |  | | Journal (article/letter/editorial) | | Fleet Empressite, AgTe, from the Empress-Josephine mine, Colorado, U.S.A.: Composition, physical properties...EARTH SCIENCE Vol. 112, No. 1, 2003 Iron ore categorisation for the iron and steel industry—D.C. Goldring...Goldring The geology and genesis of high-grade hematite iron ore deposits —N.J. Beukes, J. Gutzmer, and J.Mukhopadhyay...association of carbonate alteration of banded iron formation with the Carajás high-grade hematite deposits—S...Goldsworthy to Area C—reflections on forty years of iron ore exploration in the Pilbara—M. Kneeshaw, D.A |  | | Journal (article/letter/editorial) | | the Earth's upper mantle, and led to gradual formation of the continental, sialic crust over the whole...new material from the mantle, or whether the formation of continental crust was largely completed early...Ur anium-2 38 (alpha and beta) Lead-206t 4,510 Ur anium-235 (alph a and beta) Lead-207t 713 Thor...ium· 232 (alpha and beta) Lead-208 13,900 Potassium-40 ( (electron-capture and beta) Argon-40 11,850...850 Rubidium- 87 (beta) Ca1cium-40 Strontium-87 Useful Geolog ical Age Range Accessory minerals, e |  | | Journal (article/letter/editorial) | | suggest 2 separate conditions of Fe-berthierine formation . Early forms of Fe-berthierin.e include radial...feature of the Minnesota Fe-berthierines is their formation in an exclusive nonmarine depositional environment...broad, low relief peneplain. Physical evidence of formation under nonmarine conditions includes the presence...having stable isotope values indicating freshwater formation. Key Words-Berthierine, Cretaceous Weathering...throughout geologic time and attributed their formation to low-energy environments on inner-embayed shelves |  | | Journal (issue) | | M ontreal Mine! L L The Mineralogical Record MAY–JUNE 2020 • VOLUME 51 • NUMBER 3 • $25 & Wayne... Co / Munich, Germany Laguna Beach, California, USA tel: +1 949 494 5155 / info@kristalle.com The ...net MAY–JUNE 2020 Articles The Montreal mine, Iron County, Wisconsin .................................. 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...$324/three years, (Canada) $196/one year, (outside USA other than Canada) $275 for one year Subscription |  | Chi Fru, Ernest, Kilias, Stephanos, Ivarsson, Magnus, Rattray, Jayne E., Gkika, Katerina, McDonald, Iain, He, Qian, Broman, Curt (2018) Sedimentary mechanisms of a modern banded iron formation on Milos Island, Greece. Solid Earth, 9 (3). 573-598 doi:10.5194/se-9-573-2018 | Journal (article/letter/editorial) | | License. Sedimentary mechanisms of a modern banded iron formation on Milos Island, Greece Ernest Chi Fru1...early Quaternary shallow submarine hydrothermal iron formation (IF) in the Cape Vani sedimentary basin (CVSB)... Greece, displays banded rhythmicity similar to Precambrian banded iron formation (BIF). Field-wide stratigraphic...reconstructions show two temporal and spatially isolated iron deposits in the CVSB with distinct sedimentological...150 m wide basin in the SW margin of the basin. A banded nonfossiliferous IF (NFIF) sits on top of the Mn-rich |  | | Book | | ALBERT SEvicNy, AcTING Minister; MINES EUGENE Iron McConnett, Deputy MINISTER. BRANCH HAANEL,...I. w= DESCRIPTIONS OF PRINCIPAL OIE snag eT IRON OTTAWA GOVERNMENT 29217c PRINTING 1917 ORE:...DESCRIPTIONS OF THE PRINCIPAL IRON ORE MINES. British Columbia— Texada Island iron mines eVajjers) (eer ere...fale ‘> e166 Je (eter 6) 6, er 6 ue fe Prescott mine SUGter G6) wi 4\Fe)0\ Bilolses wiiel elie) eee)...og | ee Se ee Eo Se Cee CORUM SROIee eee Coehill mine aule nia sels hey 92 2 eniwi SEM SECT 2) See |  | | Report (issue) | | .................................... Mendena Formation ................................................................................... Cockatoo Formation ................................................................................. Blatchford Formation ........... ......................................................................... Hudson Formation ..................................... .............................................. Whim Creek mine ............................................... |  | | Report (volume) | | Proterozoic Geology of the Brady Butte area, Yavapai County, Arizona U.S. o crq oo no GEOLOGICAL SURVEY... Proterozoic Geology of the Brady Butte area, Yavapai County, Arizona I By PHILIP M. BLACET I U.S. GEOLOGICAL...1937Proterozoic geology of the Brady Butte area, Yavapai County, Arizona (U.S. Geological Survey Bulletin 1548)...Undifferentiated tuffaceous rocks and mafic flows 16 Iron King Volcanics 16 Volcanic breccia and conglomerate...___________________________________ 28 Texas Gulch Formation ____________________ i _________ 29 Conglomerate |  | | Report (volume) | | sedimentary rocks ___________________________ Casper Formation _______________________________ Tertiary sedimentary...sedimentary rocks ____________________________ White River and Ogallala Formations ___________________ Quaternary...district ______________________________ Esterbrook mine ________________________________ Area east of Esterbrook...selected samples of roof-pendant rock, veins, and mine-dump material _______________________ 6. Analyses...(arsenic, gold), fire assay (platinum, palladium) and beta-gamma sealer (equivalent uranium) were made. The |  | | Journal (issue) | | Concorde Pkwy Ste 500 Chantilly, VA 20151-1110, USA Tel.: 703-652-9950; fax: 703-652-9951 business@minsocam...Concorde Pkwy Ste 500 Chantilly, VA 20151-1125, USA Tel.: 703-652-9960; fax: 703-652-9951 cms@clays.org...Drive, Campus Box #1169 St. Louis, MO 63130-4899, USA Tel.: 314-935-4131; fax: 314-935-4121 gsoffice@geochemsoc...HARRY Y. (Hap) McSWEEN, University of Tennessee, USA (mcsween@utk.edu) JAMES I. DREVER, University of...GEORGE E. HARLOW, American Museum of Natural History, USA JANUSZ JANECZEK, University of Silesia, Poland HANS |  | | 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 |  | Czaja, Andrew D., Johnson, Clark M., Beard, Brian L., Roden, Eric E., Li, Weiqiang, Moorbath, Stephen (2013) Biological Fe oxidation controlled deposition of banded iron formation in the ca. 3770Ma Isua Supracrustal Belt (West Greenland) Earth and Planetary Science Letters, 363. 192-203 doi:10.1016/j.epsl.2012.12.025 | Journal (article/letter/editorial) | | Biological Fe oxidation controlled deposition of banded iron formation in the ca. 3770 Ma Isua Supracrustal Belt...Madison, WI 53706, USA NASA Astrobiology Institute, University of Wisconsin, Madison, WI, USA c Department...redox cycle through time has been traced using banded iron formations (BIFs), and Fe isotopes are increasingly...paleoenvironments, including the pathways of formation of BIFs. Iron isotope analyses of BIFs from the 3.7 to...fine-scale isotopic heterogeneity, may indicate formation prior to widespread DIR. & 2013 Elsevier B.V. |  | | Report (edition) | | sawable diamonds (average 2 ct) from Ellendale diamond mine (courtesy Kimberley Diamond Company) Contents........................................ 69 Bowes River area ..................................................................................... 123 Formation of chalcedony...................................................................... 124 Formation of banded agate ........................................................................ 192 Dunham River area .......................................... |  | Cloutier, Jonathan, Kyser, Kurt, Olivo, Gema R., Brisbin, Dan (2011) Geochemical, isotopic, and geochronlologic constraints on the formation of the Eagle Point basement-hosted uranium deposit, Athabasca Basin, Saskatchewan, Canada and recent remobilization of primary uraninite in secondary structures. Mineralium Deposita, 46 (1) 35-56 doi:10.1007/s00126-010-0308-5 | Journal (article/letter/editorial) | | isotopic, and geochronlologic constraints on the formation of the Eagle Point basement-hosted uranium deposit...alteration substage consists of dravite, uranophane-beta veins, calcite veins, and sudoite alteration from...better constrain the mechanism responsible for the formation of the Eagle Point deposit, we conducted detailed...calcsilicates, and amphibolites, as well as rare banded iron formation of the Wollaston Group, which hosts the...mineralized zones and is subdivided into the Upper Mine sequence consisting of quartzofeldspathic gneiss |  | | Journal (article/letter/editorial) | | volatile sulfide 72(18): 4551 goethite 72(18): 4551 iron-monosulfide 72(18): 4551 mackinawite 72(18): 4551...schwertmannite 72(18): 4551 acidophilic bacteria acid mine drainage 72(23): 5616 adsorption A. angustum 72(16):...3241 dissolution 72(13): 3241 amorphous iron oxyhydroxide acid mine drainage 72(2): 311 Cu isotopes 72(2):...acid 72(20): 5001 hydrofluoric acid 72(20): 5001 iron 72(20): 5001 phenanthroline 72(20): 5001 photoreactivity...4338 aqueous geochemistry 66 Zn 72(7): 1731 acid mine drainage 72(7): 1788, (24): 5935 adsorption 72(17): |  | | Report (issue) | | Stability in system Ag-Au-S. Free energy of formation. ACANTHITE. Evtushenko, Zap. Uzb. Otd. Vses. Mineral...(1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et...6528 (1983). Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J....65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev |  | | Book | | SMLS Chair 2022 Botallackite (Xtals 3mm) Bunmahon Mine, Copper Coast, Eire. Photo:John Hall CONTENTS...overseas field trips; to Europe, Siberia, Namibia, the USA & Canada and the Faroe Islands. Practical courses...to descend the hydraulic shaft in the Smallcleugh Mine and we bought an inflatable dinghy so we could land...and reflection of light on crystal faces, The formation and association of different minerals, The relative...their beauty, with others I ponder their mode of formation. But, just like photographic images, they all |
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