 | | Journal (article/letter/editorial) | | Copyright © 1998 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/98 $19.00 1 .00 Pergamon...The Willsboro-Lewis wollastonite ores, New York, USA PHILIP R. WHITNEY1,* and JAMES F. OLMSTED2,†1 Geological... New York State Museum, Albany, New York 12230, USA Department of Earth and Environmental Sciences, SUNY...SUNY College, Plattsburgh, New York 12901, USA 2 (Received August 4, 1997; accepted in revised form...skarns in the Willsboro-Lewis district, New York, USA were formed in a complex hydrothermal system associated |  | | Journal (article/letter/editorial) | | Wisconsin, USA by KENNETH W. KLEWIN Department of Geology, Northern Illinois University, DeKalb, Illinois 60115...(Fig. 1) of northern Wisconsin (Leighton, 1954; Olmsted, 1968, 1979; Tabet & Mangham, 1978; Klewin, 1987)...Pond intrusion is clearly a separate intrusion (Olmsted, 1979), but the Potato River and Mineral Lake intrusions...sample from the Mineral Lake intrusion (J. F. Olmsted, pers. comm., 1988) falls on the Keweenawan apparent...similar to those in the. Mineral Lake intrusion (Olmsted, 1968) and in the Skaergaard intrusion (Wager & |  | McLelland, James, Hamilton, Michael, Selleck, Bruce, McLelland, Jonathan, Walker, Douglas, Orrell, Suzanne (2001) Zircon U-Pb geochronology of the Ottawan Orogeny, Adirondack Highlands, New York: regional and tectonic implications. Precambrian Research, 109 (1) 39-72 doi:10.1016/s0301-9268(01)00141-3 | Journal (article/letter/editorial) | | Geology, Colgate Uni6ersity, Hamilton, NY 13346, USA Geological Sur6ey Canada, 601 Booth St., Room 689...Uni6ersity, Hamilton, NY 13346, USA d 124 Valley Road, Montclair, NJ 07042, USA e Department of Geology, Uni6ersity...66045, USA f Department of Geosciences, Hobart and William Smith Colleges, Gene6a, NY 14456, USA b Received...and McLelland, 1995). Postel (1952), Whitney and Olmsted (1988, 1993), and McLelland et al. (1996) have...emplacement of other Lyon Mt. Gneiss facies. Whitney and Olmsted (1988) recognized metasomatism as a possible origin |  | Mclelland, J., Morrison, J., Selleck, B., Cunningham, B., Olson, C., Schmidt, K. (2002) Hydrothermal alteration of late- to post-tectonic Lyon Mountain Granitic Gneiss, Adirondack Mountains, New York: Origin of quartz-sillimanite segregations, quartz-albite lithologies, and associated Kiruna-type low-Ti Fe-oxide deposits. Journal of Metamorphic Geology, 20 (1) 175-190 doi:10.1046/j.0263-4929.2001.00345.x | Journal (article/letter/editorial) | | Fe-oxide deposits. Postel (1952) and Whitney & Olmsted (1988, 1993) described the principal units of the...generally lacking ferromagnesian phases except for magnetite. Commonly, quartz±microperthite and microcline...Adirondacks. This result differs from that of Whitney & Olmsted (1988) who argued that the LMG consists of recrystallized...1997; Fournier, 1999). The quartz±albite and magnetite deposits are interpreted to be the result of alteration...where the LMG occurs (Postel, 1952; Whitney & Olmsted, 1988, 1993; McLelland et al., 2001). Although |  | | Journal (article/letter/editorial) | | Geophysics, University of Wisconsin, Madison, WI 53706, USA (coryc@geology.wisc.edu) ABSTRACT Oscillatory zoning...Willsboro wollastonite deposit, NE Adirondack Mts, NY, USA, preserves a record of the temporal evolution of...skarn belt (b). Map in (b) is after Whitney & Olmsted (1998). Box in (a) shows location of (b). Thus...metaigneous lithologies (Figs 2a & 3d). Whitney & Olmsted (1998) divided these skarn types into garnetite...that formed the wollastonite skarn. Whitney & Olmsted (1998) measured rare earth elements (REE’s) in |  | Lupulescu, Marian V., Hughes, John M., Chiarenzelli, Jeffrey R, Bailey, David G. (2017) Texture, Crystal Structure, and Composition of Fluorapatites From Iron Oxide-Apatite (Ioa) Deposits, Eastern Adirondack Mountains, New York. The Canadian Mineralogist, 55 (3) 399-417 doi:10.3749/canmin.1600057 | Journal (article/letter/editorial) | | Mountains consist of intrusive sheets or dikes of magnetite, fluorapatite, augitic pyroxene, quartz, and microcline...with hematite exsolution, Vrich titanite rimming magnetite, zircon, monazite-(Ce), stillwellite-(Ce), lanthanite-(Ce)...2016); and (3) flotation and concentration of magnetite microlites crystallized from a silicate melt (Los...IOA-type deposits of the Mineville mines, Essex County. Lindberg & Ingram (1964) described a very (YREE)-rich...al. 2011) and those within the St. Lawrence County magnetite district (Leonard & Buddington 1964), may |  | | Journal (article/letter/editorial) | | ultramafic unit, which is mainly constituted by magnetite-, diopside-, and antigoritebearing serpentinites...of chromium from some inclusions of Cr-bearing magnetite found in the analyzed sample and already documented...with increasing distance from the Cr-bearing magnetite grains has been described in detail by Adamo et...of these elements from the included Cr-bearing magnetite. The C1-normalized diagrams of rare-earth elements...than the smaller HREE. According to Whitney & Olmsted (1998), the amount of LREE in andradite is indeed |  | | Journal (issue) | | Parkway, Suite 306, Jacksonville, Florida 32224 USA Phone: +1.904.721.2925 / Fax: +1.904.721.2930 Editorial...subscribe at the following rates: USA & Canada, 1 year, $90. Outside the USA & Canada, 1 year, $150. For subscriber...Central Parkway, Suite 306, Jacksonville, FL 32224 USA; email: subscriptions@e-mj.com; phone: +1.904.721...Central Parkway, Suite 306, Jacksonville, FL 32224 USA phone: +1.904.721.2925, fax: +1.904.721.2930, www...Show/Longwall Edition, Pittsburgh, Pennsylvania, USA. Contact: Web: www.longwallusa.com. MARCH 7-10, |  | | Journal (article/letter/editorial) | | (a) with a mafic inclusion (OPT 010) (b) from Olmsted Point in the Tuolumne Intrusive Series. They show...of plagioclase with small amounts of quartz, magnetite, and apatite. The apatite in both rocks occurs...in NAW 019. The similarities suggest that the Olmsted Point inclusions originated as chilled droplets...North America Wall and a mafic inclusion from Olmsted Point in the Half Dome granodiorite of the Tuolumne...granular groundmass of plagioclase, biotite, quartz, magnetite and apatite. Apatite occurs in both rocks as elongate |  | | Journal (article/letter/editorial) | | Superior syncline. The most cornmon intrusive 845 OLMSTED: REARING POND GABBRO EXPLANATION REARINGPOND INTRUSION...anorthositic unit called the Mineral Lake intrusion (Olmsted, 1968), which is about 5000m thick and 18kn long...about the centrally-situated main mass of 846 OLMSTED: REARING POND GABBRO are shown in Table I and...1548 olivine. In sme exanples olivine was OLMSTED: REARING POND GABBRO 847 tacts between the units...color. Serpentinizedcumulus olivine and minor magnetite are enclosed in iarge irregular pyroxene and |  | | Journal (article/letter/editorial) | | WA 99164-2812, USA c Department of Geology, Smith College, Northampton, MA 01063, USA Istituto Nazionale...for garnets from the Crown Jewel Au-skarn deposit (USA), discusses the factors controlling incorporation...Hervig, 1994; Nicolescu et al., 1998; Whitney and Olmsted, 1998; Smith et al., 2004). This paper presents...alteration producing proximal coarse-grained magnetite-garnet skarns, intermediate pyroxene-garnet skarns...(Gaspar, 2005). Ore mineralogy is dominated by magnetite in the prograde stage and pyrrhotite in the retrograde |  | | Journal (article/letter/editorial) | | and granites of the western Adirondacks, New York, USA: a differentiated A-type suite Philip R. Whitney...The State Education Department, Albany, N Y 12230, USA (Received April 18, 1991; revised and accepted November...and granites of the western Adirondacks, New York, USA: a differentiated A-type suite. Precambrian Res....The State Education Department, Albany, NY 12230, USA distribution ofgranitoids, of six 15-min. quadrangles...Some LG lack mafic silicates entirely. Minor magnetite is nearly ubiquitous, and titanite is common. |  | | Journal (article/letter/editorial) | | intrusions of the Mellen Complex of Wisconsin (Olmsted, 1969, 1979; Tabet and Mangham, 1978; Klewin, 1987)...growing pyroxene. There are often large num Magnetite and ilmenite form the bulk of these minerals,...Hm 0 - 4 . The magnetite grains display compositions rang ing from nearly pure magnetite (Ulv 0 Mt 100...pristine mem bers of the magnetite-ulvospinel series are rare. Using exsolved magnetite leads to temperatures...below the QFM buffer (closer to the wiistite-magnetite buffer). The QFM buffer is the most common buffer |  | | Journal (article/letter/editorial) | | interested in seeing how much of the sand was magnetite. "I am sending you a package of that "singing...interested to know that the sand grains are quartz, magnetite, ilmenite and garnet. The majority of the grains...grained sand whose predominating color is black (magnetite and ilmenite) mottled with red (garnet) and gray...gray (quartz). Au Train is in northwestern Alger County. Fossiliferous Pliocene Sand from Italy Anthony...about a mile or two north of Chamberlain, Brule County, South Dakota. Beach Sand from Rio de Janeiro, |  | | Journal (article/letter/editorial) | | Department of Geology, University of Illinois Urbana Champaign, Champaign, IL, USA ABSTRACT ARTICLE HISTORY ...Beaver Bay Complex of the Mid-Continent Rift (MN, USA). The SLI, with a simple mineralogical and compositional...University of Illinois Urbana Champaign, 605 E. Springfield, Champaign, IL 61820, USA Supplemental data...Examples include the 45th Avenue sill (Seifert and Olmsted 2004), the Endion sill (Oestrike 1983), and the...and position, olivine, orthopyroxene, apatite, magnetite, and ilmenite. Upper level SLI rocks also contain |  | | Journal (article/letter/editorial) | | held at the home pyrite, chrysocolla, lodestone, magnetite, chalof President Dr. Arthur Hopkins, 741 Beacom...good in heaven. Rockland County Mineral & Gem Society The Rockland County Mineral & Gem Society meets...G. Wirtenson, both of Nyack, N. Y. The Rockland County Mineral & Gem Society invites all rockhounds in...Before the Grand Canyon views were shown, Geo. C. Olmsted spoke briefly on the geology of that region, then...coffee and cookies much to our delight. Geo. C. Olmsted 1129 James Boulevard Signal Mountain, Tenn. North |  | Valley, Peter M., Fisher, Christopher M., Hanchar, John M., Lam, Rebecca, Tubrett, Michael (2010) Hafnium isotopes in zircon: A tracer of fluid-rock interaction during magnetite–apatite (“Kiruna-type”) mineralization. Chemical Geology, 275 (3) 208-220 doi:10.1016/j.chemgeo.2010.05.011 | Journal (article/letter/editorial) | | zircon: A tracer of fluid-rock interaction during magnetite–apatite (“Kiruna-type”) mineralization Peter M...Accepted 7 May 2010 Editor: B. Bourdon Keywords: Magnetite–apatite (“Kiruna-type”) deposits IOCG deposits...Accessory minerals LA-MC-ICPMS LA-ICPMS Apatite Magnetite a b s t r a c t In situ analyses of hafnium isotopes...information on the characterization and evolution of magnetite–apatite (“Kiruna-type”) deposits and the tectonic...New York is the host to numerous zircon-bearing magnetite–apatite deposits. Hafnium isotopic compositions |  | | Journal (article/letter/editorial) | | should be used with caution for albitemuscovite magnetite-pyrite assemblages associated with iron formation-hosted...magmas (e.g., Dougan 1976; Shaw 1972; Whitney and Olmsted 1988); or (4) products of large-scale metasomatism...totalling 5.3 mt at 5.0g/t Au, and 1.98% Cu. Magnetite-rich ironstones (Fe20~~ + S i O 2 = 96%, Fe20'~'...muscovite schist (Fig. 2A), prevasively cut by magnetite-hematite-pyrite-chalcopyrite _+ scheelite clots...at the Harley/Mariposa Creek Member contact, magnetite blebs 0.5 2.0 mm wide comprise only ~ 5-10% of |  | | Report (volume) | | Georgia..........Dr. S. W. McCallie, Atlanta. Illinois...........Mr. F. W. DeWolf, Urbana. Indiana.....See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Journal (article/letter/editorial) | | quartz, whitish feldspar, black biotite and black magnetite. "Pegmatite sand from dry wash 6 miles west of...white (also brown) sea shells, and a little black magnetite. "Please accept this small sample of sand from...feldspar, black hornblende, greenish epidote, black magnetite. "Sherwood Island State Park, Conn. Situated on...quartz, with minor amounts of black, lustrous magnetite, pinkish garnet, some silvery muscovite, green...translucent quartz, with some smoky quartz and black magnetite. "From an eroded area near Hamburg, Franklin Co |  | | Report (issue) | | Ordovician Section of Minnesota to Those of Iowa and Illinois. . . . . . . . . . . . . . . . . . . .. 70 24...Platteville Limestone West of Spring Gro,'e, Houston County ..... ,..........................................:Map of Blue Earth County ............................... 1014 ~39. Map of Brown County ...................................... 1019 40. Map of Chisago County .................................. 13] 41. Map...Map of Dakota County ................................... 136 4~3. Map of Dodge County ............. |  | | Journal (article/letter/editorial) | | 1951. The program was devoted to sand. George C. Olmsted, by means of projections, showed enlargements on...and garnet as well as technical sands. George C. Olmsted, Programs 1129 James Boulevard Signal Mountain...he had recently mined on his property in Morgan County. He had with him a particularly attractive specimen...Dry Lagoon and Big Lagoon in northern Humboldt County, Calif., according to Field Trip Chairman Paul...the Mazon Creek Pennsylvanian Fossils of Central Illinois, by Dr. Robert Whitfield, Asst. Paleobotanist |  | | Report (volume) | | and mineralization in the Trigo Mountains, Yuma County, Arizona. in Frost, E.G., and Martin, D.L., eds...San Diego State University, M.S. thesis, I 04 p. Olmsted, F.H., Loeltz. O.J., and Irelan, Burdge, 1973,...the Muggins Mountains Wilderness Study Area, Yuma County, Arizona: U.S. Geological Survey Bulletin 1702-D...and development of Cenozoic drainage in Mohave County, Arizona: Geological Society of America Bulletin...Upper Tertiary Units, Osborne Wash Area, La Paz County, Ariz., by Anna V. Buising and Kathi K. Beratan |  | | Report (issue) | | APPENDIX B. SYNONYM STA TABLE NAME Page State/County Values ............................ B-STA-1 APPENDIX...criteria are defined as follows: SSSCCC - State & County Codes State - State boundaries N/S - N or S (North...Month - Current month or before Range - Valid for county limits Table - Edit from Value Table Req. - Required...Description #STAte code (NATION - FMAS users only) #COUnty code (PROVINCE - FMAS users only) *SEQuence number...three-digit county/province code is assigned to field positions 4-6. For the U.S. this is the county code from |
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