 | | Report (volume) | | tremolite or actinolite, and biotite are also common. Magnetite is a conspicuous accessory mineral. Finegrained...biotite 1-8; clinopyroxene, orthopyroxene (rare), magnetite, epidote, apatite, and sphene usually total less...Clinopyroxene, amphibole, orthopyroxene, biotite, magnetite, and sodic labradorite are common in the recrystal... Large biotite flakes rim the xenoliths, and magnetite crystals are visible in them. Under the microscope...clinopyroxene, altering to hornblende, 5 percent; magnetite, 5 percent; quartz, 5 percent. GABBRO Gabbro |  | | Report (volume) | | .-___.--_ 118. Raised marine platform, western quarry, Shemya_______________________________ 119. Furrowed...lavas are composed of plagioclase, pyroxene, magnetite, cristobalite, tridymite, and zeolites. Hornblende...groundmass contains plagioclase, clinopyroxene, magnetite, and a few pleochroic yellow apatite crystals...chlorite, epidote, and opaque oxides, mostly magnetite. Age and depositioncd environment. The age of...Islands and part of the Alaskan mainland (Kellogg and Nygard, 1951). The turf is only a few feet thick over |  | | Journal (article/letter/editorial) | | properties. Images corresponding to biominerals: magnetite based magnetotactic bacteria are reprinted with...permission of ACS Publications. Abiogenic minerals: magnetite framboids from the Tagish Lake meteorite are reproduced...self-assemblies: 2D and 3D self-assemblies of magnetite nanoparticles stabilized by oleic acid adopted...Figure 6 mesocrystals formed by self-assembly of magnetite nanoparticles with control). In Figure 6 mesocrystals...mesocrystals formed by self-assembly of magnetite nanoparticles with different different size size and and |  | | Report (issue) | | chert, augite, black opaque minerals (principally magnetite), and hypersthene. Other minerals are com- paratively...Agriculture (Dept. of Agriculture, 19^9; Dellogg and Nygard, 1951) contributed to such modification as has...places they are dominant in the flora (Kellogg and Nygard, 1951, p. 16, fig. 12; Dept. of Agriculture, 19^9...between soil types and climate belts (Kellogg and Nygard, 1951, p. 22; Jenny, 1950; Reiche, 1950). Two types...drainage exist in the Near Islands (cf. Kellogg and Nygard, 1951 > pp. 2^-25) The first of these is a steeply |  | | Journal (article/letter/editorial) | | contain phenocrysts of plagioclase, augite, and magnetite, with or without pigeonite, orthopyroxene, fayalitic...or without pigeonite, and microphenocrysts of magnetite and ilmenite. Pyrrhotite and apatite are found...olivine, and ferroaugite, and microphenocrysts of magnetite. Ferrohypersthene, apatite, and zircon inclusions...cummingtonite, biotite, augite, hypersthene, magnetite, and ilmenite are set in matrix of clear perlitic...(1971). hypersthene, augite, quartz, hornblende, magnetite, and ilmenite. The matrix is a whitish grey glass |  | | Journal (article/letter/editorial) | | plagioclases from gabbroic and noritic rocks of the Nygard pluton, Central Sweden, are symmetrically dispersed...traceable through the low albites as trails of fine magnetite (cf. Clough, 1897, plate vi) it is apparent that |  | | Report (volume) | | others common hornblende. Accessory minerals are magnetite, apatite, and rare sphene, zircon, and primary...diopside. Hypersthene and common hornblende and magnetite appear as phenocrysts in some dikes. In one dike...pseudomorphs of penninite (?) ; a trace of ilmenitic magnetite, which forms subhedral to anhedral crystals and...and a trace of euhedral to subhedral ilmenitic magnetite. Microlites of plagioclase are common and of apatite...and a trace of subhedral to euhedral ilmenitic magnetite. Microlites of plagioclase are common, and of |  | | Report (issue) | | at Pilot Mountain State Park, particularly Eric Nygard and Andy Whitaker for their assistance. Many hours...Crenulated and rodded quartz-feldspar layer in the State quarry (Stop 8). post-metamorphic Danbury fault originally...appreciated. We are grateful for the cooperation of Eric Nygard and Andy Whitaker at Pilot Mountain State Park...interlayered calcsilicate gneiss, biotite-augen gneiss, magnetite-quartz feldspar gneiss, epidosite, and amphibolite...types present in the Miller Creek complex include magnetite-quartz-feldspar granofels, calc-silicate rock |  | | Book (edition) | | Fe203. Other Minerals The commonest of these is magnetite, FegOi, or The ferrous iron in this formula is...titanomagnetite, which forms a connecting link between pure magnetite and the highly titaniferous ilmenite, FeTiOj,...solution of aluminous sediments by the magma. Magnetite crystallizes directly from silicate melts and...common. Magnetite and red ochre (hematite) are found at almost every vent. Some crystals of magnetite were...THE MAGMA 45 work on contact metamorphism in Norway, described the conversion of a shale containing |  | | Book (edition) | | tkanomagnetite, which forms a connecting link between pure magnetite and the highly tiuniferous FeTiO,, or (Fe,TI)/^...solution of aluminous sediments by the magma. Magnetite crystallises directly from silicate melts and...common. Magnetite and red odire (hematite) are found at almost every vent. Some crystals of magnetite were...THE MAGMA <6 work on contaa metaroorphism in Norway, described the oonversw^n of a shale containing...sgirine Olivine Nephetine Leucite MelUite Tridymite Magnetite Ilmenite Pyrilc Quartz Orthoclase, Microdine |  | | Book (edition) | | 1\11 INERALS Oxides. The commonest of these is magnetite, Fe 3O., or FeO,Fe::O3. The ferrous iron in this...titanomagnetite, which forms a connecting link between pure magnetite and the highly titaniferous ilmenite, FeTiO 3...found at • almost every b vent. Some crystals of magnetite were examined spectroscopically and chemically...Goldschmidt, in his great work on contact metamorphism in Norway, described the conversion of a shale containing...Olivine Nepheline > Leucite Melilite Tridymite Magnetite Ilmenite Pyrites - Hydatogtnetie Quartz Orthoclase |  | | Journal (article/letter/editorial) | | Lett. 361, 26-33. Pedersen, R.B., Thorseth, I.H., Nygard, T.E., Lilley, M.D. and Kelley, D.S. (2010) Hydrothermal...Crust (Rouxel et al., 2003) (4) Lokken, Ordovician, Norway (Planavsky et al., 2012; Moeller et al., 2014)...4-2.5 Ga Kuruman and Brockman Iron Formations, magnetite-rich facies (Johnson et al., 2003; Johnson et |  | | Book (edition) | | GEOGRAPHY OF NORDEN DENMARK -: FINLAND: ICELAND NORWAY: SWEDEN EDITOR AXEL NEW SOMME EDITION HEINEMANN...BOKHANDELN - LONDON YORK First published in Norway 1960 Second edition 1961 First published New...chapters, particularly with regard to Finland, Norway and Sweden, which have so much in common, whereas...Finland, fishing and water-power development for Norway, and manufacturing industries for Sweden. To provide...Ellen Torkildsen. Bergen, April 1968 AXEL SOMME NORWAY DENMARK Kgbenhavn kommune, Frederiksberg counties |  | | Book | | pegmatite quarry, St. Yrieix .. . . .• ,, 16. Details of part of the Clos de Barre Quarry, St. Yrieix...Marcognac ... . . . · .. . .•• . .. ,, 18. Pougat's Quarry, Marcognac, in 1808 . .. ... ... . .. " 19~ Diagram...formatio11 at Queylou, L es Eyzies ..• ,, 24. Section of quarry on the plateau of Queylou . .. .. . . .. ,! 25...varying amount of tourmaline. Apatite, zircon and magnetite a1~e constant accesso1·y minerals, while cordierite...fineness. • Fig. 14. Section in the' Robert 1 quarry, St. Yrieixt in 1836. ( After Brongniart.) G gneiss |  | | Book | | and Margaret A. Stewart 22. Glacial History of Norway 279 393 Mehmet Akif Sankaya, Attila ;;iner and...of Geology, University of Troms , N-9037 Troms , Norway Laurence D. Andriashek (575), E.R.C.B., Alberta...University of Bergen, Allégt. 41, NO-5007 Bergen, Norway Kevin Hall (1081), Department of Geography, Geoinformatics...of Geology, University of Troms , N-9037 Troms , Norway Matthew S. Lachniet (843), Department of Geoscience...Norwegian University of Life Sciences, N-1432 Aas, Norway Leszek Marks (299), Polish Geological Institute |  | | Report (issue) | | long, abundant n.pn.tite, spn.rse zircon, and magnetite partly nJtered to hematite. The granodiorite at...Botts (sample 5), L. Shapiro, S. M. Berthold, E. A. Nygard (sample 6), by rapid methods, and F. H. Neuerburg...fragments and inclusions of apatite, zircon, magnetite, and other accessories. Chemical characteristics...sulfides, su~h as pyrrhotite and pyrite, and magnetite, are present. The susceptibility of thes.e rocks...local magnetic anomaly is probably produced by magnetite enrichment associated with this alteration. The |  | | Journal (volume) | | HY. Dolomiitti. Härme, M. The Kalkkimaa dolomite quarry. Geotekn. 55 s. 87, 1954. Dolomiitti. Inberg, I...1936. Kvartsi. Härme, M. The Kalkkimaa dolomite quarry. Geotekn. 55 s. 87, 1954. Kvartsi. Inberg, I. J...iarkisto. Rikkikiisu. Härme, M. The Kalkkimaa dolomite quarry. Geotekn. 55 S. 87, 1954. Aarne Laitakari: MineraruLihakemis·to...1954. Amblygoniitti. Volborth, A. The pegmatite quarry of Viitaniemi. Geotekn 55. 24. s. 92. 1954. Amblygoniitti...5-6. 1954. Berylli. Volborth, A. The pegmatite quarry of Viitaniemi. Geotekn. 55. 24. s. 92. 1954. Berylli |  | | Book | | segregation of heavy minerals such as garnet and magnetite , but this has less influence than particle size...cycles in the alluvium of Hornelen Basin (Devonian) Norway: Sedimentary response to tectonic events: Geological...Dahlgren , T. , Haflidason , H. , Kuijpers , A. , Nygard , A. , Praeg , D. , Stoker, M. , and Vorren , T...from the Tilje Formation (Jurassic) , offshore Norway, showing thick , homogeneous fluid-mud (FM) layers...deposits in the Tilje Formation (Jurassic) , offshore Norway: Geology, v. 37 , p 539-542 Jaeger, J.M. and Nittrouer |  | | Book (volume) | | Namdal (Norway) USE Namdalen (Norway) Namdalen (Norway) UF Namdal (Norway) Namsen River Valley (Norway) Namsen...Namsen Valley (Norway) BT Valleys—Norway Namdapha Biosphere Reserve (India) BT Biosphere reserves—India...Nams Fjord (Norway) USE Namsfjorden (Norway) Nams River (Norway) USE Namsen River (Norway) Namsangia language...Namsen Elv (Norway) USE Namsen River (Norway) Namsen Elven (Norway) USE Namsen River (Norway) Namsen Fjord...Fjord (Norway) USE Namsfjorden (Norway) Namsen River (Norway) UF Nams River (Norway) Namsen Elv (Norway) |  | | Report (issue) | | causing the crystallization of magnetite-rich spinel. Fractionation of magnetite would suppress the expected...The search for additional effects expected from magnetite crystallization, such as V-depletion, was not...emplacement of the Sausfjellet pluton, central Norway: Ductile flow, stoping, quartzite mylonitic pegmatite...high-temperature mylonites from the Jotun Nappe, southern Norway: Tectonophysics, v. 303, p. 223-249, doi:10.1016/S0040-1951...of the extensional collapse basins of Caledonian Norway (Steel, 1988; Osmundsen and Andersen, 2001; Vetti |  | | Book (volume) | | — ME., H. 8, Berlin 1931. KOVENKO V.: Gite de magnetite aceompagne de Tourmaline de la region de Divrik...146, 1932. 488. ESKOLA P . : On the eclogites of Norway. — Wissensch. Schriften, Kristiania 1921. 489....Fennia, 50, Helsinki 1928. 494 a. LABSSON W . : Der Nygard Pluton. Eine geol. petr. Detailstudie eines basischen...1934. N E W H O U S E and GALLAHAM: Two kinds of magnetite? — Ec. Geol., 1927. NIGGLI P . : Gesteins- und... Geol., Nr. 2, 1943. B R O W N S.: Supergene Magnetite. — Ec. Geol., Nr. 2, 1944. FAUST G.: The differentiation |
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