 | | Journal (article/letter/editorial) | | Library] at 15:24 24 November 2014 Marquctle, Michigan 49855 Specimen recovery in the Iron Country is...Peninsula (U.P.) counties (Marquette, Baraga, Iron, and Dickinson) of Michigan, plus a small portion of...northeastern Wisconsin. This includes the famous Marquette and Eastern and Western Menominee iron ranges...P. in the vicinity of Teal Lake in what was to become the town of Negaunee, and the first mine to open...access primarily by boat and ship on Lake Superior. The port of Marquette was established to handle the rich |  | | 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 (issue) | | Geology of the Marquette and Sands Quadrangles Marquette County Michigan GEOLOGICAL SURVEY PROFESSIONAL...Division of the Michigan Department of Conservation PAPER 397 Geology of the Marquette and Sands Quadrangles...Quadrangles Marquette County Michigan By JACOB E. GAIR and ROBERT E. THADEN GEOLOGICAL SURVEY PROFESSIONAL...cooperation with the Geological Survey Division of the Michigan Department of Conservation UNITED STATES GOVERNMENT...age_______ Description. _______________________________ Quartz veins and spatially associated silicified Page |  | | Journal (article/letter/editorial) | | ROCKS & MINERALS town of Minden in the west to the Lake Clear occurrences in the east. Most often, the use...east, in Renfrew County. Beginning in the late 1870s, apatite workings in the Lake Clear area near Eganville...By about 1900, the corundum deposits of Renfrew County were in production, and the first mineral deposits...minerals in the Bancroft area for forty years. County. During this time, significant uranium mines were...Liscombe occurrence, near Wilberforce, Haliburton County. Rod and Helen Tyson specimen, Michael Bainbridge |  | | Report (volume) | | V2-MINUTE QUADRANGLES, PIONEER MOUNTAINS, BEAVERHEAD COUNTY, MONTANA Glendale, Mont., in 1883 (top). This...1f2-Minute Quadrangles, Pioneer Mountains, Beaverhead County, Montana ByE-AN ZEN A description of the stratigraphy...7112-minute quadrangles, Pioneer Mountains, Beaverhead County, Montana. (U.S. Geological Survey bulletin ; 1625)...dike swarms intruding the Grayling Lake Granite above Green Lake 29 27. Diagram showing schematic restoration...Granodiorite 35 30. Discoid mafic inclusions in Grayling Lake Granite 36 31. Pseudomorphs of contact-metamorphic |  | | Book | | and is a great place for a family outing. Bear Lake Diggings This fee-for-collecting site is one of...7 QUIRK LAKE2 7 MACDONALD MINE 2 9 BAPTISTE LAKE NORTH OCCURRENCES 3 1 BURGESS CORUNDUM 1 GUTZ...WARWICKITE OCCURRENCE 3 7 DIAMOND LAKE ROADCUT 3 8 GRACE LAKE ROADCUT 3 8 DESMONT MINE 3 9 ESSONVILLE... 3 UPPER T'URRIFF GARNET OCCURRENCE 4 3 BEAR LAKE DIGGINGS4 BERYL PIT 4 REFERENCES 4 Smile 5 6 8...Site Name Township Most Common Minerals BAPTISTE LAKE NORTH OCCURRENCES Herschel augite, actinolite, |  | | Journal (article/letter/editorial) | | defined Crooked Lake and Mossel gneisses, and a newly proposed felsic unit, the Grace Lake granodiorite...Precursors of the compositionally varied Crooked Lake gneiss (predominantly dioritic, monzodioritic and...northwards migration of igneous activity. The Grace Lake granodiorite, which is defined here on field...2487_ 6 Ma. An undeformed, post-granulite-facies quartz diorite dyke was emplaced at 2477 + 5 Ma. The new...together with Sm-Nd model ages indicate that the Grace Lake granodiorite was derived from crustal sources |  | | Journal (article/letter/editorial) | | represent the youngest intrusive phase of the Blatchford Lake Igneous Complex, Canada, and host hydrothermally...granite and quartz syenites of the Blatchford Lake Igneous Complex (Grace Lake Granite, Thor Lake Syenite...calculated for fayalite, riebeckite, richterite and quartz ranges from 6.7 to 8.1‰ and δDmelt from −99 to...magma that evolved rapidly to generate granites, quartz syenites, and finally nepheline syenites, with little...for this late overprint using oxygen isotopes of quartz and magnetite is ~300 °C and the fluids had δ18OH2O |  | | Journal (article/letter/editorial) | | Polylithionite from the rare-metaldepositsof the Blachford Lake alkalinecomplex,N.W.T., Canada Pnrn esnN* Department...peralkalinegranitb and syeniteat Thor Lake, in the Blachford Lake complex eastof Yellowknife, Northwest...contrastto the widespreadoccurrenceof lithian musSlave Lake (Fig. l). The locality is centered within the covite...lepidolite sensulato in granitic pegmatitesof Blachford Lake complex of alkaline to peralkalineaffinity. orogenicafliliation...Lovozeromassifin Kola peninsula,and the The Blachford Lake complex was first described by Transangaramassif |  | | Journal (article/letter/editorial) | | as the Sentinel Granodiorite and the Half Dome Quartz Monzonite (Calkins, 1930), have been given formal...Springs Metamorphic Suite Central City Gneiss Biotite-quartz-plagioclase gneiss Biotite-sillimanite schist Granite...[see Article 10 (i)]. For example, the Blachford Lake Intrusive Suite may consist of three formally named...units, the Caribou Lake Granodiorite, the Francois Bay Syneite, and the Grace Lake Granite, as well as...name of the dominant rock type — for example, Goose Lake Granodiorite. "Dike," "stock," "pluton," "batholith |  | | Report (issue) | | Professional Paper 525. Numerous Federal, State, county, and municipal agencies listed on pages A221-A225...Wisconsin _____________________________ _ A30 Michigan _____________________________ _ 30 Ohio _____...area and Upper Mississippi Valley _________ _ Michigan _________________________________ _ Iowa ____...agencies ___________ --------------------_ State, county, and municipal agencies ____________ _ U.S. Geological...RESOURCES HEAVY METALS IRON MarqueHe district, Michigan Working from geologic maps prepared by the Cleveland |  | | Journal (article/letter/editorial) | | HIGH FIELD STRENGTH ELEMENTS IN THE T ZONE, THOR LAKE RARE-METAL DEPOSIT YONGGANG FENG§ AND IAIN M....Avenue, Windsor, Ontario N9B 3P4 ABSTRACT The Thor Lake rare-element (Y-REE-Nb-Ta-Zr-Be) deposit, Northwest...replacement of igneous aegirine and arfvedsonite by quartz + magnetite + high field strength element (HFSE)-bearing...fluorcarbonates. Initial replacement of aegirine by quartz + magnetite increased porosity in some of the T...Williams-Jones 2005). For instance, in the Strange Lake REE deposit, where HFSE-rich minerals include magmatic |  | Sheard, E. R., Williams-Jones, A. E., Heiligmann, M., Pederson, C., Trueman, D. L. (2012) Controls on the Concentration of Zirconium, Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada. Economic Geology, 107 (1) 81-104 doi:10.2113/econgeo.107.1.81 | Journal (article/letter/editorial) | | Niobium, and the Rare Earth Elements in the Thor Lake Rare Metal Deposit, Northwest Territories, Canada...Toronto, Ontario, Canada M5H 3P5 Abstract The Thor Lake rare metal (Zr, Nb, REE, Ta, Be, Ga) deposits in...2094 to 2185 Ma alkaline to peralkaline Blachford Lake Intrusive Complex. A layered alkaline suite dominated...lower zones of the Nechalacho deposit (formerly the Lake zone), and in which Zr is hosted primarily by zircon...Ilímaussaq: Gerasimovsky, 1969; Strange Lake: Miller, 1986; Thor Lake: Trueman et al., 1988; Lovozero: Kogarko |  | | Journal (article/letter/editorial) | | Geologic Setting Regional geology The Blachford Lake Intrusive Complex, which comprises a series of alkaline...hosts the Nechalacho rare metal deposit at Thor Lake (Northwest Territories, Canada), within the Slave...the Canadian Shield a Yellowknife Thor Lake Great Slave Lake Fort Resolution Hay River (Fig. 1a). This... was intruded along the east arm of Great Slave Lake, into Archean mica-schists of the Yellowknife Supergroup...2010). The subcircular peralkaline Grace Lake Granite and Thor Lake Syenite near the eastern edge of the |  | Goscombe, Ben, Foster, David A., Blewett, Richard, Czarnota, Karol, Wade, Ben, Groenewald, Bruce, Gray, David (2019) Neoarchaean metamorphic evolution of the Yilgarn Craton: A record of subduction, accretion, extension and lithospheric delamination. Precambrian Research, 335. 105441 doi:10.1016/j.precamres.2019.105441 | Journal (article/letter/editorial) | | University of Florida, Gainesville, Florida, 32611, USA. 3Geoscience Australia, GPO Box 378, Canberra,...maximum deposition ages of 2663-2676 Ma in the Lake Grace and Jimperding domains (Table 1), and ~2646 Ma...clinopyroxene, ilmenite and minor rutile (Table 3). Quartz has not been confirmed. Orthopyroxene and clinopyroxene... andesine to labradorite plagioclase and minor quartz, magnetite, ilmenite and titanite (Table 3). Retrograde...epidote occurs as coronas around hornblende or quartz in contact with hornblende. Garnet±clinopyroxene |  | | Journal (article/letter/editorial) | | 2013a) International Study Center 2013b). In the USA, as much as 58 % of Nb is used in the productions...period from 1994 to 2012. Steel production in the USA, Japan, South Korea, Brazil and EU countries currently...peralkaline complexes (e.g. Nechalacho or Strange Lake) is possible, but conditional on the extraction...recover Nb as a byproduct of phosphate (e.g. Prairie Lake [Nuinsco Resources Ltd. 2014], Nkombway Hill [van...Pegmatites consist mainly of K-feldspar, albite and quartz±muscovite and/or biotite (Černý 1991a). Reviews |  | | Journal (article/letter/editorial) | | et al., 2003). Gallium concentrations in the Thor Lake rare metals, Nechalacho deposit, Northwest Territories...rare earth element (REE) mineralization at Thor Lake (Trueman et al., 1988; Sheard et al., 2012), the...Since the studies of gallium mineralization at Thor Lake referred to above, our understanding of the rare...rock Mineral Ga (ppm) Source Apex mine, Utah Quartz, jarosite, minor goethite Jarosite 1,100 to 3...Nevada Fresh rock Argillic alteration Kaolinite + quartz alteration Silicification 4.5 to 36 5.0 to 93 |  | | Journal (article/letter/editorial) | | section). The other major orthogneiss unit, the Crooked Lake gneiss, differs from the Mossel gneiss by its generally...hornblende. The Crooked Lake gneiss is mostly of dioritic, quartz-dioritic, quartz-monzodioritic, monzonitic...with emplacement of the precursors of the Crooked Lake gneiss between D1 and D 2. Study of U-Pb in zircon...between 2,501 _+ 4 Ma and 2,486 _ 6 Ma ago. The Grace Lake 9ranodiorite, which sporadically crops out as...can be distinguished from the Mossel and Crooked Lake gneisses on chemical, mineralogical isotopic and |  | | Journal (article/letter/editorial) | | and reset 1025_+ 56 Ma old grains. An enclosed quartz diorite vein, of presumed late magmatic origin...showing the basement geology (except for the Grace Lake granodiorite, outcrops of which are not large...trondhjemite, granodiorite and granite), and the Crooked Lake gneiss (a composite more mafic orthogneiss unit)...unit), while introducing a fourth unit, the Grace Lake granodiorite (leucocratic gneiss and granitoid in...tectonic intercalations within the Mossel and Crooked Lake gneisses, was not considered to be a separate mappable |  | | Report (issue) | | ALASKA INDEX: STREAMFLOW, LAKE LEVELS, AND WATER-QUALITY RECORDS TO SEPTEMBER 30, 1988 By Patsy J.................... ................. .......... 3 Lake sites ............................................records.............. B. Index of lake water-quality records and lake levels........ 2. South-central Alaska...records.............. B. Index of lake water-quality records and lake levels........ 3. Southwest Alaska...records.............. B. Index of lake water-quality records and lake levels........ 4. Yukon Basin, Alaska |  | | Journal (article/letter/editorial) | | . . :::.:.:.y _....g q$$$$y ?? ,‘. m Crooked Lake Gneiss 1 Mossel gneiss Tryne metavolcanics 78’00”..., 1983 ) showing the position of Fig. 2. The Grace Lake granodiorite crops out over too small an area...6 __-. - - dyke7 1250 Ma suite 5 dyke 8 Crooked Lake Gneiss I 500m , I Fig. 2. Geological map of...basement rocks consist almost exclusively of Crooked Lake Gneiss. The map locality is indicated in Fig. 1...monzonite bodies, collectively called the Crooked Lake Gneiss and variably dated from 250 12 4 Ma to 2484 |  | Neyedley, Kevin, Hanley, Jacob J., Falck, Hendrik, Bodnar, Robert J., Fedele, Luca, Fayek, Mostafa, Sharpe, Ryan (2019) Sulfide melt inclusions associated with magmatic Ni-Cu-platinum-group element (PGE) mineralization in the Caribou Lake Gabbro, Blatchford Lake intrusive suite, Northwest Territories, Canada. Ore Geology Reviews, 107. 513-531 doi:10.1016/j.oregeorev.2019.02.009 | Journal (article/letter/editorial) | | (PGE) mineralization in the Caribou Lake Gabbro, Blatchford Lake Intrusive Suite, Northwest Territories...(PGE) mineralization in the Caribou Lake Gabbro, Blatchford Lake Intrusive Suite, Northwest Territories...(PGE) mineralization in the Caribou Lake Gabbro, Blatchford Lake Intrusive Suite, Northwest Territories...plagioclase, olivine, ilmenite) in the mineralized Caribou Lake Gabbro, a marginal subalkaline-alkaline mafic-ultramafic...assemblage that forms part of the multiphase Blatchford Lake Intrusive Suite, Northwest Territories, Canada. |  | | Report (volume) | | Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana U.S. GEOLOGICAL SURVEY BULLETIN 1766...Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana By R. C. PEARSON, B. R. BERGER, H. E....resources of the Eastern Pioneer Mountains, Beaverhead County, Montana. (U.S. Geological Survey bulletin ; 1766)...10 Map of eastern Pioneer Mountains, Beaverhead County, Montana, and vicinity 3 20 Generalized geologic...Resources of the Eastern Pioneer Mountains, Beaverhead County, Montana By R. C. Pearson, B. R. Berger, H. E. |  | | Report (chapter) | | http://sp.lyellcollection.org/ at University of Michigan on October 29, 2014 Geological Society, London...http://sp.lyellcollection.org/ at University of Michigan on October 29, 2014 Pb isotopic domains from...Precambrian gneisses in the Arabian Shield and the SW USA (Stacey & Stoeser 1983; Wooden & Mueller 1988). In...http://sp.lyellcollection.org/ at University of Michigan on October 29, 2014 60 M. J. FLOWERDEW ET AL...http://sp.lyellcollection.org/ at University of Michigan on October 29, 2014 Pb ISOTOPE DOMAINS IN ANTARCTICA |  | | Book (edition) | | the greens of amazonite; the whites and pinks of quartz and the purples of fluorite. There is also the...mine Monmouth XV, lot 28 At Wilberforce, take County Road #4 west 0.6 km from highway 648; take the...of road on right (west) side opposite cottage on lake; proceed for 200 m to the mine. amphibole, calcite... Tunnels driven under east end of Little Mullet Lake to get at ore deposit. Ali that remains as evidence...garnet, graphite, green peristerite, clear to smoky quartz, uraninite, uranothorite, zircon Second largest |
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