 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula, Michigan: Institute...Proceedings, 40th 40thAnnual AnnualMeeting, Meeting,Houghton, Houghton,Ml, 40, part part2, 2, 185 185p. p. MI,v...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983)... time, we considered that that "It is held at Michigan Technological presumptuous for for us us to put |  | | 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 |  | | Report (volume) | | vicinity of Cameron Mountain and the location of the Calumet mine, Salida, and Whitehorn _______________________...__ 2. Plot of modal quartz, plagioclase, and K-feldspar in 12 specimens of the Whitehorn Granodiorite...Levering, 1933, p. 290), Calumet Granodiorite (Behre and others, 1936, p. 786), Calumet stock (Behre and others...1971). The name "Calumet" has been preempted (Keroher, 1966) for rocks in Michigan. Cameron Mountain...vicinity of Cameron Mountain and the location of the Calumet mine, Salida, and Whitehorn. Burbank and Levering |  | | Report (issue) | | Highway 17 road log South March feldspar mine March mica mine Humphreys feldspar mine Currie barite occurrence...Mayo marble quarry Renfrew–Madawaska area Renfrew County Road 4 (Bruce Avenue) roadcut Highway 60 quarry...blocks Bryson roadcut 1 Bryson roadcut 2 New Calumet mine Calumet uranium occurrence Lawless Lake occurrence...Huntsville Otter Lake Sandy Creek Bryson–Grand Calumet Fort-Coulonge Waltham iii Frontispiece. Justin...Most of the collecting localities are in Renfrew County, Ontario. A wide variety of minerals are found |  | | Journal (article/letter/editorial) | | is located on the Keweenaw Peninsula of Upper Michigan in the heart of the "Copper Country." The huge...period but ended unsuccessfully. Dr. Douglass Houghton first visited the copper region in 1830 and published...Rosemeyer, a native of Upper Michigan, started his mining career with Calumet and Hecla as an underground...stripped out and sent to a scrap-metal dealer in Houghton. Tamarack Mining Company conducted underground...still existed on paper and became the property of Calumet and Hecla Consolidated Copper Company when Tamarack |  | | Journal (issue) | | MICHIGAN COPPER! The Mineralogical Record JANUARY-FEBRUARY 2023 ? VOLUME 54 ? NUMBER 1 ? $40 ... KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...................3 by W. E. Wilson The Keweenaw County Fissure Mines....................................by C. J. Stefano The Cliff Mine, Keweenaw County, Michigan.............................................Stefano & P. Persson The Central Mine, Keweenaw County, Michigan......................................53 by |  | | Journal (article/letter/editorial) | | GOLD MINERALIZATION IN GRENVILLE GNEISSESAT CALUMET, QUEBEC PATRICKJ. WILLIAMS* Departmentof Earth...golddepositswhichwas port some features of the Calumet depositswhich generatedtowardthe end of the Archeanby...Grovesand Phillips,1987). SimilarepigeGeologyof the Calumet Deposit netic gold depositsoccur in younger orogenicbelts...rare in the Proterozoic(Meyer, Calumet Island (Isle de Grand Calumet) is about 1981). The deepestparts...Australia; and Renco, Zimbabwe. For these the Calumet mine (Goranson, 1925; Moorhouse, depositsthere |  | | Report (issue) | | VOLCANICS (MIDDLE KEWEENAWAN) ON ISLE ROYALE, MICHIGAN Prepared in cooperation with the National Park...Isle Royale, Michigan By N. KING HUBER GEOLOGY OF ISLE ROYALE NATIONAL PARK, MICHIGAN GEOLOGICAL SURVEY...middle and upper Keweenawan rocks of northern Michigan and adjacent parts of Wisconsin--------------...Isle Royale in the vicinity of Lake Desor and Houghton Ridge ·-·--------·····--···-····-···-·--·-----------···--23...NATIONAL PARK, MICHIGAN THE PORTAGE LAKE VOLCANICS (MIDDLE KEWEENAWAN) ON ISLE ROYALE, MICHIGAN By N. KING |  | | Journal (article/letter/editorial) | | Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, United States a r t i c...mass-balance from ~1.1 Ga old Midcontinent Rift System (USA) paleosols is used to reconstruct atmospheric pCO2... 1094 Ma Solar Church Formation Wisconsin & Michigan Powder Mill Group 1087 Ma Keweenawan Supergroup...length from the Great Lakes region (Fig. 1) of the USA/Canada as far south as Kansas (Davis and Green, 1997)...Superior in Wisconsin and the Upper Peninsula of Michigan has a variety of formations associated with the |  | | Journal (article/letter/editorial) | | calcite, phlogopite, Ca amphibole, Ca pyroxene, K feldspar, scapolite, sphene. Rocks of the first group...are less common, areassociated with potassium feldspar gneiss and heterogeneous granitic and syenitic...elsewhere in the southern Grenville province yield K-Ar ages of 109 years. The Precambrian rocks of the...ultramafic rocks (mainly metagabbro) 4. Potassium feldspar gneiss (mainly veined gneiss) 5. Granitic, syenitic...area, referred to as the Gatineau, Thome, Moore, Calumet, Coulonge, and Lac de l'lndienne zones. In general |  | | Journal (article/letter/editorial) | | relativeabundance of theseminerals,compared with quartz, feldspar, pyroxene and olivine, the associationbecomeseven... THEPARAGENESIS OF•4CCESSORY MINERALS Figure 30 K- Feldspar Plogioclose 0.56 0.18 1.56 Quartz t2.03...03 Biotite 5.9 Magnetite Figure 257 3b K- Feldspar Plagioclase 0.58 0.77 1.35 Quartz I 4•o Biotite...Hornblende \ i 5.62 Magnetite Sphene ,,.oo Figure K-Feldspar Plogioclose Quartz 0.45 I 1.99 0.68 I.• N...associated par- 258 •?.Yl,'. MOORHOUSE 0.32 Figure 4e K- Feld spo r Plogioclose Quortz 6108 Biofite,.chl |  | | Show/Event (guide) | | Abstracts of Contributed Papers The Mineralogy of Michigan by George W. Robinson 6 1 7 The Mineral Treasures...Banquet Dinner - Poolside 8:00-9:15 MINERALS OF MICHIGAN - Dr. George W. Robinson Dr. George Robinson is...is the Gabriel Professor of Mineralogy at Michigan Tech University, where he has curatorial responsibility...of Heinrich's classic book on the minerals of Michigan and that is his topic this evening. We most warmly...welcomeGeorgeRobinson back to the speakers' platform. 9:15 C o c k t a i l s and snacks in Suite 400 will be served throughout |  | | Journal (article/letter/editorial) | | 1100 North Univ. Avenue, Ann Arbor, MI 48109-1005, USA a r t i c l e i n f o Article history: Received...New results from the Sturgeon Falls paleosol in Michigan characterizing the weathering processes at the...contrast to earlier work, there is little evidence for K metasomatism. As a result, atmospheric CO2 levels...majority of Precambrian paleosols have been affected by K metasomatism (e.g., Maynard, 1992), which complicates...Formation of the Powder Mill Group (Fig. 2) in Michigan, USA. In contrast to many Precambrian and Phanerozoic |  | | Journal (article/letter/editorial) | | New York State Museum; and Dr. George Robinson, Michigan Technological University. GEM MINERALS AND MATERIALS...are Narich plagioclase, petalite, and quartz. K-feldspar, muscovite, montebrasite, apatite, tourmaline...banding and mainly consist of Na-rich plagioclase, K-feldspar, quartz, and muscovite. Other mineral phases...altered. It is easily misidentified as albite or K-feldspar. It exhibits euhedral to subhedral form and perfect...pegmatitic part is as follows: euhedral to subhedral K-feldspar and albite crystals, subhedral to anhedral crystalline |  | Tohver, E., Holm, D.K., van der Pluijm, B.A., Essene, E.J., Cambray, F.W. (2007) Late Paleoproterozoic (geon 18 and 17) reactivation of the Neoarchean Great Lakes Tectonic Zone, northern Michigan, USA: Evidence from kinematic analysis, thermobarometry and 40Ar/39Ar geochronology. Precambrian Research, 157 (1) 144-168 doi:10.1016/j.precamres.2007.02.014 | Journal (article/letter/editorial) | | Neoarchean Great Lakes Tectonic Zone, northern Michigan, USA: Evidence from kinematic analysis, thermobarometry...44242, USA c Department of Geological Sciences, University of Michigan, Ann Arbor, MI 48109-1063, USA d Department...Geological Sciences, Michigan State University, East Lansing, MI 48824-1031, USA Received 24 March 2006;...stabilization of the Superior craton. In northern Michigan, this zone underlies the Paleoproterozoic Marquette...subparalleled the Great Lakes tectonic zone in northern Michigan and northern Wisconsin (Fig. 1b). This cratonic |  | | Journal (article/letter/editorial) | | is equal to 0.6 to 0.7, Na / (K + Na) in discrete crystals of K-feldspar is equal to 0.06, and Na / (Na...and syenite are interlayered with amphibolite, K-feldspar – biotite (veined) gneiss and other rock components...complexes. K-feldspar amphibolite formed from Ca-pyroxene granulite with an addition of K, Rb, Sr, and...Ba and rare-earths. Furthermore, a mixture of K-feldspar amphibolite and hornblende granite has possibly...alteration of common amphibolite to K-feldspar amphibolite (with an addition of K and Rb), followed by the local |  | | Journal (article/letter/editorial) | | unzonedgranitic drite appearsto be earlier than red feldspar. In rocksfromthosetypesthat are zonedmineralogically...isotoperatios of the GeologicalSurvey of Canada. Dr. R. K. feldspar,and the lead-uranium-thorium Wanless (oral communication...Hypogeneanhyin particular R. W. Boyle, D. F. Sangster,K. L. drite from Mcintyre mine, Porcupinedistrict, Ontario;...gypsum at Calumet D. R. Wilson and R. Moss, managerand geologist, Osborne, mines, Calumet Island, Quebec; |  | | Journal (article/letter/editorial) | | trends and the end-member formulae of scapolite David K. Teertstra *, Barbara L. Sherriff Department of...Cl-poor environment. Trends of Cl with Si or (Na + K) apfu indicate complex substitutional mechanisms,...+ Cl- + HCO; Instead of assuming analogies to feldspar, the 236 D.K. Teertstra, B.L. Sherriff/ Chemical...substitutions in the interstitial M sites (primarily Naf and K+ for Ca2+ ); and (3) monovalentdivalent substitutions...problematic if the samples contained Fe-rich inclusions. K,O, an important component of scapolite throughout |  | | Journal (article/letter/editorial) | | Rock-Hosted Stratiform Copper Deposit, Upper Peninsula, Michigan Theodore J. Bornhorst1,† and William C. Williams2...Mineral Museum, Michigan Technological University, 1404 E. Sharon Avenue, Houghton, Michigan 49931 2 Orvana...Copperwood is located in Gogebic County, Upper Peninsula, Michigan, within the Porcupine Mountains copper... clinochore, muscovite/ illite, plagioclase, K-feldspar, calcite, and hematite, which are consistent...discovery of native Cu in the western Upper Peninsula, Michigan, during the 1840s led to the first mining boom |  | | Book | | variety, etc. T Tsumeb (vol. 8, no. 3) M y Michigan Copper Country (vol. 23, no. 2) Co. Company...five book-format issues (8/#3, Tsumeb; 23/#2, Michigan Copper Country; 23/#4, Yukon Phosphates; 24/#2...of the] FM-TGMS-MSA Wulfenite Symposium (chairman: K. Wenrich) 21:98100 Abstracts of the FM-TGMS-MSA Symposium...(chairman: K. Wenrich) 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich)...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |  | | Journal (article/letter/editorial) | | Silicate Anatexis in the Balmat Zinc Deposit (New York, USA) and its Implications for Ore Remobilization Peter...Silicate Anatexis in the Balmat Zinc Deposit (New York, USA) and its Implications for Ore Remobilization, Ore...Silicate Anatexis in the Balmat Zinc Deposit (New York, USA) and its Implications for Ore Remobilization Peter...Center at CUNY, 365 Fifth Ave., New York, NY 10016, USA b Department of Earth and Environmental Sciences...NY 11210, USA, wpowell@brooklyn.cuny.edu c 1 Indian Head Trail, Gouverneur, NY 13642, USA, wdellie@gmail |  | | Journal (article/letter/editorial) | | because of selective incorporation of the Ce-earths in K-felspars and monazke during crystallization of granitea...Lot 32, Calumet Island, Quebec. Lot 17, Con. 6, Glamorgan Twp., Ontario. Range 8, Lot 32, Calumet Island...Island, Quebec. Range 7, Lot 30, Calumet Ieland. Quebec. Lot 17, Con. 12, Monmoutb Twp., Ontario. Range 7...Glamorgan Twp., Ontario. Eikenndjoeak, Norway. E~dj~~k, Norway. St. Lawrence River Mines, A ore zone, Oka...(OOOI] baa& cleavage is the most ~ons~~c~ous and &K intensity was estimated as for fracture. Lustre was |  | | Report (issue) | | February 2001 Field Trip Leader: Tim Marsh, AMT (USA) Inc. THIS PAGE INTENTIONALLY BLANK Geologic...Copper Creek district Timothy M. Marsh, PhD AMT (USA) Inc. 7400 N. Oracle Road, Suite 343 Tucson, AZ 85704...Creek Mining Company, Copper State Mining Company, Calumet and Arizona Company, and several others, followed...lagioclase porphyry having an aplitic quartz/K-feldspar groundmass, is most closely related to economic...IIIIJ Tactlte Mapping compiled from files of AMT (USA) Inc., including contributions by Guthrie (unpubL |  | | Corporate Document | | intrusions that include a rhyolite plug, quartz-feldspar porphyry dykes and the Hudson Bay Mountain stock...aplitic granodiorite with intergrowths of quartz and feldspar. Hazelton volcanic blocks up to 3 m across are...plan. The composition is calc-alkaline quartz-feldspar porphyry. The Hudson Bay stock which ranges in...ranging from 400 to 1000 m. A sub-radial quartz-feldspar porphyry dyke swarm related to the Hudson Bay...fracture coatings and within veins with quartz and feldspar gangue. • early assemblages are cut by banded |  | | Report (issue) | | Superior region, and its tectonic environment . P. K. Sims and Z. E. Peterman 3 Tectono-sedimentary history...Tectonostratigraphic terranes near the purported collision zone D. K. Larue 33 . Tidal deposits in the early Proterozoic...in the southern Lake Superior district . Jeffrey K. Greenberg and Bruce A. Brown Early Proterozoic tectonic...followed by T. C. Chamberlin, C. R. Van Hise, and C. K. Leith. Precambrian studies have continued to play...arranged geographically, from the upper peninsula of Michigan and adjacent Wisconsin, to north central Wisconsin |
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