 | | Journal (article/letter/editorial) | | carbonatites. Associated minerals include phlogopite, magnetite, spinel, grossular, forsterite, monticellite,...massive or granular form, was the matrix for magnetite mined at the Tilly Foster mine, 10 kilometers...lustrous, transparent cinnamon-red crystals on magnetite, clinochlore, and massive chondrodite. These were...noted for beautiful titanite, fine dodecahedral magnetite crystals, clinochlore, and serpentine pseudomorphs...County; this and other related Putnam County magnetite localities, some of which have produced chondrodite |  | | Journal (article/letter/editorial) | | same time the main carrier of magnetite mineralization. The magnetite accumulations are irregularly distributed...hory Mountains, except those from the locality of Boden (23 samples), -- g) metabasites of the Krugn~ hory...0.442 V~clav ~ CernT~Potok Niederschmiedeberg Boden 1 Localities: 2 Localities: 3 Localities: 4 Localities:...near P~fseenice and that in the proximity of Boden in Saxony are the richest in P205. I n the latter deposit...that of the pelitic material. The skarn b o d y at Boden departs from all other localities investigated by |  | | Journal (article/letter/editorial) | | e Granulites from the Saxon Granulite Massif, Germany. Part I: Petrology JOCHEN RÖTZLER1∗ AND ROLF L...14415 POTSDAM, GERMANY 2 GEOFORSCHUNGSZENTRUM POTSDAM, TELEGRAFENBERG, 14473 POTSDAM, GERMANY RECEIVED...by clinopyroxene + amphibole + plagioclase + magnetite. The high P–T conditions and the absence of thermal...the 1996 RÖTZLER AND ROMER UHT GRANULITES IN SAXONY: PETROLOGY range 355–320 Ma, as reflecting metamorphic...clinopyroxene (Cpx3), pargasite, plagioclase and magnetite; (h) plagioclase exsolution blebs in titanite |  | | Journal (article/letter/editorial) | | magmas in the central Great Basin, USA David R. Boden 1445 High Chaparral Dr., Reno, NV 89511, USA Received...at a scale of 1:24000 and published at 1:48000 (Boden 1992). Introduction Calderas and related erupted...silicic volcanic center, the Toquima caldera complex (Boden 1986). Compositional characteristics of the main...Corcoran Canyon at 29.6 Ma and 27.7 Ma, respectively (Boden 1986) (Fig. 2, Table 1). The source areas for the...Moores Creek, Mt. Jefferson, and Trail Canyon (Boden 1986) (Fig. 2). The Moores Creek caldera is the |  | | Journal (article/letter/editorial) | | dissolves hematite and goethite, slightly dissolves magnetite and ilmenite, and has negligible effects on clay...The Clay Minerals Society tite, goethite, and magnetite and has a minimal effect on clay minerals, except...mesh) and only minor effect (9%) on - 100-mesh magnetite (McKeague et ai., 1971). The severity ofthis treatment...fraktionierte Extraktion der freien Eisenoxide in Boden, ihre mineralogischen Formen und ihre Entstehungsweisen:...ausgewahlten Boden aus Virginia untersucht. Die NH.Ox-DBehandlung entternte aus allen BOden die geringsten |  | | Journal (article/letter/editorial) | | 8050 Freising-Weihenstephan, Federal Republic of Germany Abstract-The boiling 5-M-NaOH treatment was found...saprolite consisting only of goethite, gibbsite, some magnetite (which was removed by magnetic separation) and...= kaolinite, Qz = quartz, An = anatase, Mg = magnetite, removed by a magnet in the NaOH-treated sample)...obtained in illitic-smectitic soils clays from Germany (Sch\\ ertmann et al., 1982). so 40 ' , , degrees...14, 125-138. Foister, H. (1971) Ferrallitische Boden aus sauren metamorphen Gesteinen in den feuchten |  | | Journal (article/letter/editorial) | | (plagioclase, sanidine, biotite, hornblende, quartz, magnetite, apatite, sphene, and ilmenite) in equilibrium...plagioclase, quartz, sanidine, sphene, ilmenite or magnetite, and melt is calibrated experimentally, and yields...calculated from the coexistence of pyrrhotite and magnetite. Maximum CO 2 fugacity (2520 b) is inferred assuming...plagioclase, sanidine, biotite, hornblende, quartz, magnetite, sphene, and ilmenite. Apatite and pyrrhotite...Canyon biotites in equilibrium with sanidine and magnetite (Whitney & Stormer, 1985). This estimate depends |  | | Journal (article/letter/editorial) | | geophysical aspects of the Siljan Ring are presented in Boden and Eriksson (1988). To investigate the possibility...sphene, apatite, zircon, rutile, ilmenite, and magnetite. M i n o r a m o u n t s o f other granite types...4 4 ) is a ferrodiabase containing about 30% magnetite. Plagioclase p h e n o c r y s t s in the R1 d...hematite in shallow granites above 2000 m to mostly magnetite below this depth. This change applies both to...z ; CPX, clinopyroxene; FSPAR, feldspar; MAG, magnetite; KFS, p o t a s s i u m feldspar; PLAG, plagioclase; |  | Rudnev, V. V., Chukanov, N. V., Nechelyustov, G. N., Yamnova, N. A. (2007) Hydroxylborite, Mg3(BO3)(OH)3, a new mineral species and isomorphous series fluoborite-hydroxylborite. Geology of Ore Deposits, 49 (8) 710-719 doi:10.1134/s1075701507080053 | Journal (article/letter/editorial) | | ludwigite, kotoite, szaibelyite, clinohumite, magnetite, serpentine, and chlorite are associated minerals...The borate was identified in association with magnetite, humite-group minerals, forsterite, and ludwigite...fluoborite from (2) Pöhla, Saxony, Germany, containing 20.09 wt % F and from (3) Boden (New Jersey, the United |  | | Journal (article/letter/editorial) | | Bremen, Department of Geosciences, D-28359, Bremen, Germany U.S. Environmental Protection Agency, Office of...Matthess (1977) reported for groundwater in Northern Germany a natural variation of Cd concentrations from 2...influenced soil water and groundwater in Northern Germany Cd concentrations of up to 27.8 μg/L and 2.34 μg/l...its bioavailability. The total Cd deposition in Germany in 2014, for example, was 2. Cadmium content in...sulfide-bearing sedimentary rocks (Naseem et al., 2014). In Germany, background Cd concentrations in groundwater range |  | | Journal (article/letter/editorial) | | Stratiform Stratiform Magnetite skarns Magnetite skarns Magnetite skarns Magnetite skarns Large Large...tangencial vectors for the Bouger anomalies of Saxony shows two main strike directions: towards NE and...the border area between the Czech Republic and Germany. It coincides with the occurrence of Late Variscan... 3. Reflection seismic profile MVE-90 (East) in Germany was set out in SW–NE direction along the border...100 km long and starts northeast of Plauen in Germany and terminates southeast of Karlovy Vary in the |  | | Journal (article/letter/editorial) | | in an Fe-Ca skarn. Associated minerals include magnetite, actinolite, albite, epidote, and titanite (Gonzales...the Eifel Mountains, Rhineland-Palati- nate, Germany; Wilmot Pass, South Island, New Zealand; and Ragged...Camoscio, Piedmont, Italy; and Boden, in the Erzgebirge, Saxony, Germany. Ferriallanite-(Ce) is the analogue...Associated minerals include aegirine, ilvaite, magnetite, fayalite, fluorite, and several REE-containing |  | | Journal (article/letter/editorial) | | caldera complexof late Oligoceneage(Fig. la andb; Boden, 1986). Ash-flowtuffsof the complexlie unconformably...thislate history eastof RoundMountain(Fig. lc; Boden,1986). of alteration and oxidation. granitebatholithof...oliticash-flowtuffserupted from them (Fig. lb; Boden, 1986). At 26.7 Ma, the tuff of RoundMountain is...tuffsand guidedrise of magmasand collapseof ealderas(Boden, 1986). Only smalldisplacements occurredon the faultsaftereruption...together with trace amountsof hornblende,pyroxene,magnetite,and allanitccompose30 to 40 percentof its denselyweldedmiddle |  | | Journal (article/letter/editorial) | | the ferrimagnetic-paramagnetic transition in magnetite. The proposed model is internally consistent with...~1/3R8/304 component is particularly evident in magnetite and magnetite-rich compositions at high temperatures...FeA1204- FezTiO4 and MgAlzO4--MgzTiO4 spinels (Boden and Glasser 1973; Muan et al. 480 Table 5. Conditions...oct q 486 Fe2TiO 4 and MgA120 4 - Mg2TiO 4 (Boden and Glasser 1973; Muan et al. 1972) and the constraints...1987). Results of the synthesis experiments of Boden and Glasser (1973) and Muan et al. (1972) suggest |  | | Journal (article/letter/editorial) | | orthopyroxene + clinopyroxene + plagioclase + Ti-magnetite + apatite) can explain most major and trace element...plagioclase (up to 20 mm)+augite (up to 2 mm)+magnetite (up to 2 mm; mostly maghemitized _+olivine (up...finegrained groundmass of plagioclase + pyroxene + magnetite (see Appendix for individual sample descriptions...absence of reaction rims among plagioclase, augite, magnetite, and apatite indicates that these phases co-precipitated...However, many samples contain a continuum of magnetite grain sizes from 1 mm to less than 0.05 mm. In |  | | Journal (article/letter/editorial) | | contents. Association of subhedral biotite and magnetite with actinolitic amphibole in clots implies a...gas bi mt actinolitic amph titanite. Magnetite coexisting with biotite with Fe/(Fe+Mg) 0:34...Amphibole Biotite Clinopyroxene Titanite Apatite Magnetite-ilmenite Zircon 62.8 0.72 16.9 5.01 0.06 2.21...abundant inclusions of apatite, titanite, and magnetite, are surrounded by biotite flakes. Both isolated...crystals up to 1 mm associated with euhedral magnetite and orthoclase. Discrete biotite crystals from |  | | Journal (article/letter/editorial) | | zone). The mineral may have been derived from the magnetite in the Harvkesbury sandstone and or from siderite...1962,p. 334), and lowtemperature oxidation of magnetite or dehydration of lepidocrocite (Gruner, 1926;...Sydney laterites, has been reported to contain magnetite (Osborne,1948,p. xx), and Loughnan and others...of tropical (lateritic) weathering. Moreover, magnetite, and possibly also hematite, may have been deposited...(a-FezOe)necessarilyimplies complete oxidation of magnetite to hematite, or Frankel (1966) that maghemite |  | Štemprok, M., Seifert, T., Holub, F. V., Chlupáčová, M., Dolejš, D., Novák, J. K., Pivec, E., Lang, M. (2008) Petrology and geochemistry of Variscan dykes from the Jáchymov (Joachimsthal) ore district, Czech Republic. Journal of GEOsciences, 53 (1) 65-104 | Journal (article/letter/editorial) | | Bergakademie, 09596 Freiberg, Brennhausgasse 14, Germany Boháčova 866/4, 149 00 Prague 4, Czech Republic...Geoinstitut, University of Bayreuth, 95440 Bayreuth, Germany Institute of Geology, v.v.i., Academy of Sciences...deposits of Schlema-Alberoda and Schneeberg located in Saxony, further to the NW. The Jáchymov district covers...Sächsisches Landesamt für Umwelt und Geologie (Dresden, Germany) using combination of X-ray fluorescence, ICP-OES...fluorapatite accompanied by some titanite and magnetite. All the samples display variable but generally |  | | Journal (article/letter/editorial) | | Universitiit Miinchen D-85350 Freising-Weihenstephan, Germany Abstract-Greigites from a g1ey and a Tertiary sediment...Landesamt, Concordiastrasse 28, D-96049 Bamberg, Germany. Copyright © 1994, The Gay Minerals Society Step...sites. In spite of structural equivalence to magnetite, the hyperfine fields of greigite are much lower...Auerswald, K., Stanjek, H., and Becher, H. H. (1992) BOden in Landschaftsausschnitten Bayems IV. Bodenabfolge |  | | Journal (article/letter/editorial) | | experimentally documented above 1000°C (Muan et al. 1972, Boden & Glasser 1973). On the join spinel–magnesioferrite...miscibility gap documented on the spinel–qandilite join (Boden & Glasser 1973). The growth of qandilite at the...__ 28 19 16 _________________ titaniferous magnetite (2) _________ 13 12 111 38 ___________ _____...clinopyroxene, sanidine, plagioclase, titaniferous magnetite). The black color of these phases in thin section...abundance of variably magnesian titaniferous magnetite (Table 3). Qandilite and magnesioferrite occur |  | | Report (issue) | | County, Oregon by Terry E. C. Keith and James R. Boden U.S. Geological Survey, Menlo Park, California 94025...dominantly of plagioclase ( An47)» clinopyroxene, and magnetite. Iron oxidation has resulted in rea coatings...groundmass of plagioclase, clinopyroxene, and magnetite. There are few mafic minerals in the groundmass...clinopyroxene, tridymite, o-cristobalite, and magnetite make up this flow. The flow is distinctive in...groundmass consists of plagioclase, clinopyroxene, and magnetite. most of the small vesicles. A thin layer of |  | | Journal (article/letter/editorial) | | Stormer (1985) by ANITA L. GRUNDER AND DAVID R. BODEN (Received 30 July 1986; revised typescript accepted...California 94305 738 ANITA L. GRUNDER AND DAVID R. BODEN COMPOSITIONAL ZONATION TABLE 1 Chemical analyses...demonstrated. 740 ANITA L. GRUNDER AND DAVID R. BODEN 1 i 1 i i i e q u i l i brium e n v e l o...system (Luth & 742 ANITA L GRUNDER AND DAVID R. BODEN THE TWO-CHAMBER MODEL W & S's estimates of pressure...the magma. 744 ANITA L. GRUNDER AND DAVID R. BODEN We cannot account for the apparent 'inverted' pressure |  | Salje, E. K. H., Lampronti, G. I., Soto-Parra, D. E., Baro, J., Planes, A., Vives, E. (2013) Noise of collapsing minerals: Predictability of the compressional failure in goethite mines. American Mineralogist, 98 (4) 609-615 doi:10.2138/am.2013.4319 | Journal (article/letter/editorial) | | the proper implant material (Kashef et al. 2011; Boden et al. 2008). The typical failure under shear stress...BW39m YL8m BW39m(second) HZ54.8m YL17m Goethite Magnetite Clinochrys. Orthopyroxene 88.1%±3.8% <5% 7.1 ±...et al. 2007): goethite (Hazemann et al. 1991); magnetite (Bragg 1915); clinochrysotile (Whittaker 1956);...(1 1 1) for goethite; (1 0 0) and (1 1 1) for magnetite; (1 0 0) for clinochrysotile; (0 0 1) for talc;...and strength. Engineering Geology, 74, 113–127. Boden, B.P. and Jarvis, C.G. (2008) Spinal injuries in |  | | Journal (article/letter/editorial) | | are predominantly specular hematite replacing magnetite ( 1 1 1, Figure 3); much of the original ilmenite...fossil soils in the lower Rotliegendes of western Germany (28, pp. 324-30), in the Jurassic Morrison and...released by physical weathering (41, 111}-mainly magnetite, amphibole, and biotite, with subordinate ilmenite...amphibole has been destroyed, and some of the magnetite has been oxidized to specular hematite in older...alluvium many biotite flakes have been bleached, magnetite has been converted to specular hematite, and ilmenite |  | | Book (edition) | | the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit, Herault dept.. France... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur...the Sankt Christoph mine, near Breitenbrunn, Saxony, Germany, and many localities in the Alps, e.g. on Grossgreiner...With anthophyllite, talc, chromean spine!, and magnetite in desilicified pegmatites, mainly at the exocontact |
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