 | Duchesne, J. C., Roelandts, I., Demaiffe, D., Weis, D. (1985) Petrogenesis of monzonoritic dykes in the Egersund-Ogna anorthosite (Rogaland, S.W. Norway): trace elements and isotopic (Sr, Pb) constraints. Contributions to Mineralogy and Petrology, 90 (2) 214-225 doi:10.1007/bf00378262 | Journal (article/letter/editorial) | | dykes in the Egersund-Ogna anorthosite (Rogaland, S.W. Norway): trace elements and isotopic (St, Pb) constraints...in the Egersund-Ogna anorthositic massif (S.W. Norway): the Lomland dyke, which varies from norite to...Whatever the composition of the parental magma, plagioclase fractionation tends to enrich the liquid in,...quartz mangerites. Discovery in the Hidra body (S.W. Norway) of a contact facies (Duchesne et al. 1974) of...and subtraction of an important quantity of plagioclase should display a significant negative Eu anomaly |  | | Journal (article/letter/editorial) | | The Netherlands 111 Monzonorites from Rogaland (Southwest Norway): a Series of Rocks Coeval but not Comagmatic...Hertogen, J., 1989. Monzonorites from Rogaland (Southwest Norway ): a series of rocks coeval but not comagmatic...formation of massif-type anorthosites. In Rogaland (S.W. Norway) they occur as large dykes, intrusions and...evidence on monzonorites from the Rogaland anorthosite province (S. Norway). It amplifies earlier results...relationships and petrographic characters In the Rogaland anorthosite province, monzonorites occur as dykes |  | | Journal (article/letter/editorial) | | N A L P A P E R Astri J. S. Kvassnes Æ Anita Hetland Strand Heidi Moen-Eikeland Æ Rolf Birger Pedersen...Ordovician Lyngen Magmatic Complex in Troms, Northern Norway. The two magmatic suites of the Lyngen Gabbro strike...Statoil, 4035 Stavanger, Norway H. Moen-Eikeland Nipefjellet 83, 5300 Kleppestø, Norway R. B. Pedersen Department... University of Bergen, Allegt 41, 5007 Bergen, Norway north, but several non-tectonic transitions from...quartz-grain aggregates in a groundmass of quartz, plagioclase, and pyroxene. The augen can be up to 1.5 cm |  | | Journal (article/letter/editorial) | | Trams@,Norway b Geologisk Institutt, Universitetet i Bergen, All&aten 41, 5007 Bergen, Norway Received4...within the Scandinavian Caledonides of northern Norway (Fig. 11, and represents one of the many 244...crystallization of olivine, clinopyroxene and plagioclase from tholeiitic basaltic magma (e.g. Coleman...the western and the eastern suites (Dalland and Hetland, 1995). The RSZ contains variably serpentinised...amphibolitisation of pyroxene and corrosion of quartz and plagioclase. Postkinematic tonalites cut the shear zone, |  | | Report (volume) | | McConnell, Miley Evans, and George Hammond (Sharp and Hetland, 1968, p. 3). By 1969 the principal companies to...samples from various properties, and Sharp and Hetland (1968) gave a brief summary of the geology of the...miles southeast of Leadore, Idaho. Later, Austin, Hetland, and Sharp (1970) gave a brief description of the...Salmon River Mountains (Ruppel, 1968; Sharp and Hetland, 1968; Anderson, 1957, p. 14-15; 1956, p. 16-18;...units in the Lemhi Pass quadrangle (Sharp and Hetland, 1968; Sharp and Cavender, 1962, pl. 1) ; consequently |  | | Report (issue) | | GEOLOGICAL SURVEY, and BYRON J. SHARP and DONALD L. HETLAND, U.S. ENERGY RESEARCH AND DEVELOPMENT ADMINISTRATION...Geological Survey, and Byron J. Sharp and Donald L. Hetland, U.S. Energy Research and Development Administration...property. Between 1964 and 1966 B. J. Sharp and D. L. Hetland of the U.S. Atomic Energy Commission (now the Department...summary of the geology of the area (Sharp and Hetland, 1968) which included two reconnaissance maps at...were published by Austin (1968). Later, Austin, Hetland, and Sharp (1970) gave a brief description of the |  | | Journal (article/letter/editorial) | | separatoryfunnel to obtainfractionsof orthoclase, plagioclase, and quartz,and, after staining,the feldsparswere...substitutionof Na* for K*. The composition of the plagioclase wasdetermined fromtheangle(20) between the(131)and(1õ1)...index of refractionof the plagioclase and the refractiveindex of the plagioclase glass (using Sosman'smethod(10))...Sosman'smethod(10)) providedindependent data on the plagioclase composition.The glasswas obtainedby heatingfor...7% 23.4% 35.0% 6.2% 4.2% Quartz Orthoclase Plagioclase Biotite Biotite visibly altered to chlorite |  | | Report (issue) | | respectively in 1953 (Sharp and Hetland, 1954, p. 5) and 1954 (Hetland, 1955, p. 5); the Midnite and Daybreak...Bur. Mines Minerals Yearbook, 1934, p. 495-506. Hetland, D. L., 1955, Preliminary report on the Buckhorn... v. 28, no. 6, p. 333-335. Sharp, B. J.,. and Hetland, D. L., 1954, Preliminary report on uranium occurrences...exposed sevp. 124-125; Sharp, 1956; Davis and Hetland, -1956; eral miles north and northeast of the deposits...Canada Proc., v. 5, p. 15-41. Davis, D. L., and Hetland, D. L., 1956, Uranium in clastic rocks of the Basin |  | | Journal (article/letter/editorial) | | Burgers body is well fit by a logarithmic function (Hetland & Hager 2006). We can extend the differential equations...900°C dry Diffusion creep 100 1017 1000 Wet plagioclase 4 Viscosity (Pa s) 10 1 0.1 0.01 1 Diffusion...pyroxene. Garnet, spinel, and (at shallow depth) plagioclase are minor phases. This suggests that deformation...experimental error, suggesting that the viscosity of plagioclase rocks is not significantly affected by chemical...rate 10-12 s-1 Quartz (Rutter & Brodie 2004b) Plagioclase (Rybacki et al. 2006) Diopside (Dimanov & Dresen |  | | Report (volume) | | L. Reyner, written communication, 1951; D. L. Hetland, written communication, 1953) at the Royse property...contains inclusions of hornblende-plagioclase gneiss, biotite-quartz-plagioclase gneiss, and pegmatite granite...core by the U.S. Atomic Energy Commission (D. L. Hetland, oral communication, 1955). All other uranium minerals...are enclosed in hornblende- and biotite-quartz-plagioclase schist and gneiss, granitic gneiss, and metamorphosed |  | Marchesi, Claudio, Garrido, Carlos J., Godard, Marguerite, Belley, France, Ferré, Eric (2009) Migration and accumulation of ultra-depleted subduction-related melts in the Massif du Sud ophiolite (New Caledonia) Chemical Geology, 266 (3) 171-186 doi:10.1016/j.chemgeo.2009.06.004 | Journal (article/letter/editorial) | | up section. Clinopyroxene, orthopyroxene and plagioclase progressively appear in dunite up to the transition...olivine precipitation. Rare clinopyroxene and plagioclase crystallized in interstitial melt pores of dunite...crystallization of clinopyroxene, orthopyroxene and plagioclase in variable amounts. These liquids were more...Up section, clinopyroxene, orthopyroxene and plagioclase progressively appear in dunite defining a transition...are defined by variations of the mafic mineral/plagioclase ratio. 3. Sampling and petrography For this study |  | | Journal (article/letter/editorial) | | 23% quartz, 9% kaolinite/dickite clays and 4% plagioclase. Our own X-Ray Diffraction (XRD) analysis showed...similar results but with minor chlorite instead of plagioclase and kaolinite/dickite. 2.2. Experimental apparatus... S., Chu, R., Helmberger, D.V., Kanamori, H., Hetland, E., Moore, A.W., Webb, F.H., 2011. The 2011 magnitude |  | Martin, James E., Sawyer, J. Foster, Fahrenbach, Mark D., Tomhave, Dennis W., Schulz, Layne D. (2004) Geologic Map of South Dakota, South Dakota Geological Survey. | Map | | Archean) - Gray phyllite, mica schist, and biotite-plagioclase schist. Approximately 500 ft (152 m) exposed...Lake Red Lake White River k r ee White Lake Hetland Wol f C re Chamberlain ds Fish Qlo Lake Qlov |  | | Report (volume) | | hydrothermal. Authors' abstract 31 Davis, D. L., and Hetland, D. L., 1956, Uranium in clastic rocks of the Basin...0.01 to 0.28 percent Ug08. 61 Hart, O. M., and Hetland, D. L., 1953, Preliminary report on uraniumbearing...intersections with the veins. Authors' abstract 64 Hetland, D. L., 1955, Preliminary report on the Buckhorn...separate mineral nor isomorphously substitutes in plagioclase and other rock-forming minerals. Hence, it concentrates...Kings River area, Nevada. 141 Sharp, B. J., and Hetland, D. L., 1954, Preliminary report on uranium occurrence |  | | Book | | crystals very rare and minute Sornwall, Jevon, hetland peat swamps), pyrrhotite, pyrites, often found...“omplex Transvaal); eridot: ted Sea, Surma, srazil Norway, Ips, Urals, ake Superior, \rizona alteration...bent crystals -ornwaill, Yevon, Jolgelly Wales), Norway, 3lack Forest, darz, etc. Germany), sudbury Ontario)...wedgeor lozenge-shaped, elongate, twins common Norway, Travancore (India), East Indies, garnet, zircon...fuses to grey magnetic globule Germany, Sweden, Norway, WES:S: Re; Sudbury (Ontario), Transvaal pyrrhotite | | | Book | | crystals very rare and minute ~ornwall, )evon, ,hetland peat swan1ps), 3avaria Germany), . ..,nmea, 3olivia...penetration twins pigment, steel manufacture) ., Norway, Travancore (India), East Indies, Brazil, Nigeria...zinc blende, galena, magnetite Germany, Sweden, Norway, U.S.S.R., Sudbury (Ontario), Transvaal pyrrhotite...vertically striated augite and Sweden, hornblende Norway, Roumania, Portugal, Kola Peninsula (U.S.S.R.)... NOS. 95-7 61 Associated Minerals Localities Norway, Sweden, Quebec, Ontario, Virginia, Georgia, Florida |  | | Report (volume) | | 80 percent hornblende, about 20 to 25 percent plagioclase, and locally as much as 3 percent pyrite, together...chlorite and biotite, magnetite or ilmenite. Plagioclase is also commonly somewhat altered to fine-grained...phenocrysts ~ mm to 2 mm long in a groundmass of plagioclase and hornblende. . Metamorphism, which included...commonly contain muscovite, biotite, untwinned plagioclase, and potassium feldspar. The calc-silicate minerals...of quartz, potassium feldspar, and untwinned plagioclase, plates of biotite about 0.02 mm long, and a |  | | Journal (article/letter/editorial) | | ortho- and clino-pyroxene, hornblende, and plagioclase and thereby extended the initial concept of Thomas...Angel, R. J., and Ross, N. L.: Elasticity of plagioclase feldspars, J. Geophys. Res.-Sol. Ea., 121, 663–675...208, 43–62, 1951. Thyng, K. M., Greene, C. A., Hetland, R. D., Zimmerle, H. M., and DiMarco, S. F.: True |  | | Journal (issue) | | publishing channel of all scientific meetings held in Norway with a geological content. Editors: Hans Arne Nakrem...Norges Geologiske Undersøkelse N‐7491 Trondheim, Norway E‐mail: ngf@geologi.no www.geologi.no Published...Norges Geologiske Undersøkelse N‐7491 Trondheim, Norway E‐mail: ngf@geologi.no www.geologi.no NGF Abstracts...Abstracts and Proceedings Of the Geological Society of Norway Number 1, 2017 Vinterkonferansen 2017 Oslo, January...Petroleum Guri V. Ganerød, Geological Survey of Norway Dag Helland Hansen, Aker BP Jean Sebastien L’Herureuz |  | | Report (issue) | | Shetland margin 205 Glaciation curves for south-west Norway, north-west Britain and East Faroe, for the last...system developed southwards between Greenland and Norway to western Ireland (Roberts et al., 1999; Coward...the Nordcapp Basin off the north-west coast of Norway (e.g. Ziegler, 1990; Dore et al., 1999, fig. 1;...faults and lineaments. Platform areas E AST S HETLAND HIGH The East Shetland High forms a generally...Paleocene times., separating East Greenland and mid Norway, though from seismic volcanostatigraphical analysis |  | | Book | | . . . . . . . . . . . . Alum Shale, Sweden and Norway . . . . . . . . . . . . . . . . . . . . . . . ...Discoloration Pale red feldspar, either sodic plagioclase or n1icrocline or orthoclase, where in contact...Ronge, northern Sask.; Villeneuve, Ont.; southern Norway; northern Karelia, U.S.S.R.; Brazil, in Minas Gerais...1954) , and a zoned crystal fro1n Satersdalen, Norway, with a 1nore strongly radioactive core is pictured...known: Naegi, Japan (Pellas, 1954) , and Hundholmen, Norway (Vogt, 1911). Metamict fergusonite recrystallizes |  | | Report (issue) | | developed only locally and consists of clinopyroxene-plagioclase-epidote. Minor potassic alteration with quar...skarns with retrograde biotite, hornblende, plagioclase, quartz, calcite, and opaques such as pyrrhotite...is characterized by K-feldspar replacement of plagioclase and fine-grained, shreddy blue-green biotite...quartz-sericite) zone contains sericite after plagioclase and sericite + chlorite + rutile + pyrite after...montmorillonite, sericite, chlorite, and pyrite replace plagioclase and the mafic minerals. These altered rocks are |  | | Report (issue) | | Coso_--------- Light-gay bentonitic clay Davis and Hetland (1956); V-1. and ne-sand, coarse-grained Troxel...--------A-4, P-2, P-8. V-1----------- Davis and Hetland (1956). Esmeralda County 12 13 14 P-1, V-L..._________________________ _ P-9----------- Davis and Hetland (1956); Finch (1956). Queen Nos. 2 and 3, Bonanza...V-1-----------~ I Myerson (1956); Davis and Hetland (1956). Clark County 17 Carnotite No.1 (Overton...sediments and Tuffaceous sandstone.. Quartz, plagioclase, potAbundant carbonized and silicified plant |  | | Report (issue) | | and consist of quartz, microcline, perthite, plagioclase, muscovite, tourmaline, garnet, magnetite-ilmenite...pegmatites and aplites consist of quartz, sanidine, plagioclase, biotite, magnetite, zircon, apatite, and sphene...medium– coarse grained and consists of K-feldspar, plagioclase, quartz, biotite, ±muscovite, with trace pyrite... 1990; Price et al., 1990). Mineral Albitic plagioclase K-feldspar quartz biotite Li-mica Magnetite fluorite...muscovite, hematite/goethite, chlorite, and trace of plagioclase with accessory apatite, zircon, calcite, fluorite |  | | Report (issue) | | Observations on order-disorder relations of natural plagioclase: Norsk Geologisk Tidsskrift, v. 42, no. 2, p...transition: GSA Bulletin, v. 87, p. 1179-1187. Hetland, D.L. 1955 Preliminary report on the Buckhorn claims |
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