 | | Book (volume) | | (Specord 75 IR or Specord M80, Carl Zeiss, Jena, Germany), Perkin Elmer 1600 Series FT IR spectrometer or...FT IR spectrometer (Bruker Optics, Ettlingen, Germany). IR spectrum of a pure KBr disc was subtracted... Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province... Hydroboracite CaMgB6O8(OH)6·3H2O Locality: District # 99, underground mine, Inder boron deposit, Atyrau... Locality: Ore body No. 90 , Nalednoe deposit, upper reaches of Jana river, Sakha Republic, Russia. Description: |  | | Report (issue) | | Industrial Mineral Resources of the Macon-Gordon Kaolin District, Georgia by I/ 2/ 3/ B.F. Buie , John H. Hetrick...Cretaceous beds, undivided 7 Tertiary formations 11 Huber Formation 11 Clinchfield Sand 13 Tivola Limestone...industrial mineral resources of the Macon-Gordon kaolin district, Georgia. 2. Structure, mining areas, and elevations...Cretaceous beds, undivided, and Huber Formation in Macon-Gordon district, Georgia. Page Figure 1. Index...Index map showing the location of the Macon-Gordon district, Georgia 3 2. Scanning electron micrographs |  | | Journal (article/letter/editorial) | | physical–chemical regime (North-Bavarian Kaolin Mining District, Germany) Harald G. Dill a,⁎, Stephan Kaufhold b, Angela...University, Welfengarten 1, D-30167 Hannover, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe, D-30631 Hannover, P.O. Box 510163, Germany c Bundesanstalt für Geowissenschaften und Rohstoffe,... Wilhelmstraße 25-30, Germany d Schönwalder Straße 60, D-13585 Berlin, Germany b a r t i c l e i n...Sedimentological–mineralogical facies Mesozoic SE Germany ⁎ Corresponding author. E-mail address: haralddill@web |  | | Journal (article/letter/editorial) | | No.2, 151-158, 2000. Ti-BEARING PHASES IN THE HUBER FORMATION, AN EAST GEORGIA KAOLIN DEPOSIT PAUL ...Abstract-Six kaolin samples from the Lower Tertiary Huber Formation near Wrens, Georgia were analyzed using...sea-level changes responsible for the deposition of the Huber Formation. Evidence for original depositional sediment...soil-derived anatase). These observations for the Huber Formation are consistent with a previously published...kaolinite-rich ore body. Key Words-Anatase, Georgia, Huber Formation, Kaolinite, Rutile, Ti0 2 , Titanium, |  | | Journal (article/letter/editorial) | | Sandersville, GA 31082, USA Abstract—The Eocene Huber Formation, exposed in the CFI Hall mine south of...the gray, pink and cream kaolins indicate that ilmenite and pyrite are precursor Ti- and Fe-bearing phases...intermediate phase resulting from the anodic corrosion of ilmenite. Hematite, goethite and anatase are the dominant...cream. Key Words—Anatase, Crandallite, Hematite, Ilmenite, Kaolinite, Pseudorutile, Rutile, XRD, Raman....a Geologic setting The Lower to Middle Eocene Huber Formation occurs as a hard kaolin in the CFI Hall |  | | Journal (issue) | | 473 SENIOR FELLOWS Peter Bancroft The Braen Quarry, Haledon, Passaic County, New Jersey . . . ....Boulder, Colorado. After high school, he traveled in Germany and enrolled at the University at Marburg. After...After a year of study, however, he left Germany because of World War II. Hal received his B.S. in Chemistry...glockenspiel. In 1966 Ken moved to the Haight-Ashbury district of San Francisco, where he continued to perform...stores and restaurants. This lasted until the district was taken over by the hardcore drug culture, which |  | Gevorgyan, Hripsime, Repstock, Alexander, Schulz, Bernhard, Meliksetian, Khachatur, Breitkreuz, Christoph, Israyelyan, Arsen (2018) Decoding a post-collisional multistage magma system: The Quaternary ignimbrites of Aragats stratovolcano, western Armenia. Lithos, 318. 267-282 doi:10.1016/j.lithos.2018.07.024 | Journal (article/letter/editorial) | | Avenue, 0019 Yerevan, Armenia Freiberg/Saxony, Germany Institute for Mineralogy, TU Bergakademie Freiberg...Brennhausgasse 14, 09596 NU 3 MA Freiberg/Saxony Germany AC C EP T ED *Corresponding author: hripsime...high Zr content and Zr/Hf ratios of the entire Upper Pliocene to Quaternary post-collisional ACCEPTED...and sanidine (Ellis et al., 2014; Bachmann and Huber, 2016). Ellis et al. (2014) investigated cumulate...volatiles insufficient to unlock the mush for eruption (Huber et al., 2012). Other representatives of zoned ignimbrites |  | | Journal (article/letter/editorial) | | Geological Society 51/12(2006) 3 The Krásno Sn-W ore district near Horní Slavkov: mining history, geological...79, Czech Republic The tin-tungsten Krásno ore district near Horní Slavkov (Slavkovský les area, western...reviews the data on geological setting of the ore district, individual ore deposits and mining history. Horní...mineralogy; Slavkovský les; Krásno, Horní Slavkov ore district; Czech Republic. Introduction In the mining history...the Horní Slavkov Krásno mining district (Fig. 1). The Krásno district is located near Horní Slavkov in |  | | Journal (article/letter/editorial) | | Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...2.1.4. The Subvariscan Foredeep 8 During the Upper Carboniferous, the Subvariscan Foredeep subsided...Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The basin |  | | Journal (article/letter/editorial) | | components and element concentrations among magnetite, ilmenite, biotite, apatite, zircon, and liquid. Orthopyroxene... Oxygen fugacity and compositions of biotite, ilmenite, magnetite, and silicate liquid initially adjusted...quenched Fe2+Ti(Fe3+)–2 exchange equilibrium between ilmenite and magnetite, and consequently the reliability...constraints. These authors concluded that the ilmenite had undergone late- or post-eruption re-equilibration...http://dx.doi.org/10.2138/am.2013.4280 271 (namely ilmenite, magnetite, biotite, orthopyroxene, and clinopyroxene) |  | | Book | | the deep continental crust) Crust. 3. Geology - Germany (West) — OberWohlenberg, Jiirgen, 1933- . III....Springer-Verlag Berlin Heidelberg 1989 Printed in Germany The use of registered names, trademarks, etc....Republic of Germany (KTB) would be drilled in the Oberpfalz area of Northern Bavaria. The site...ostererer a ekare Geochronology of the Northeast Bavaria Dele UE ODOD 00 COS. 00LCOO ORC OOO COORD OEOODOC...the most ambitious project in the geosciences in Germany. From the beginning, the "Senatskommission fiir |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...property—near Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula:...(chryso lite, olivine) (Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest...Bartow County Allatoona Gold mine—lot 929, 21st district: bornite, chal copyrite, galena, gold, quartz |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | Institutfiir Mineralogie Ruhr Universitgit 463 Bochum, Germany Present address: Geologick3~s P. POVONDRA~ K....writer at an old quarry, Maaden-e-Tala, one km south of Kohrud village in the Kashan district, north-central...volcano-sedimentary sequence of Eocene age (H. Huber, priv. comm.). The intrusion is cut by porphyritic...small amounts of epidote, opaque grains (probably ilmenite), sphene, and zircon. In addition, there are rare |  | | Journal (article/letter/editorial) | | writer at an old quarry, Maaden-e-Tala, one km south of Kohrud village in the Kashan district, north-central...volcano-sedimentary sequence of Eocene age (H. Huber, priv. comm.). The intrusion is cut by porphyritic...small amounts of epidote, opaque grains (probably ilmenite), sphene, and zircon. In addition, there are rare |  | | Journal (article/letter/editorial) | | College and Observatory Gilching, 82205 Gilching, Germany; mr@infis.org Abstract: This review systematically...the tuyère, 1800 K could be reached, while in the upper area, the temperature was still 700 K. In the center...center, the temperature was higher than in the upper and the outer area. In China, in the 9–8th c. BC...found in high mountains, e.g., the Black Forest (Germany) or the Alps [72–77]. Droplet fulgurites, produced...(Sylt community, Nordfriesland district, Schleswig-Holstein, Germany, 54◦ 550 000 N, 8◦ 210 000 E), University |  | | Report (issue) | | CONTENTS Page The Huber Formation of Eastern Central Georgia by B. F. BUIE . Contact of Huber Formation overlain...fossil zone in clayey sand, near top Figure 2. of Huber Formation . . . . . . . . . . . . Schematic diagram...stratigraphic section of Huber Formation Figure 4. Road cut exposure of updip Huber Formation Photograph...the Cretaceous beds Table 2. undifferentiated and Huber Formation . . . . Figure 6. Contrast of fracture...Figure 8. Anomalous Distribution of Sinks in the Upper Little River Watershed: Tift, Turner and Worth Counties |  | | Journal (article/letter/editorial) | | Vol. 53, No. 5, 490±510, 2005. ALTERATION OF ILMENITE IN THE CRETACEOUS SANDSTONES OF NOVA SCOTIA, SOUTHEASTERN...Dartmouth, N.S., Canada B2Y 4A2 ÐMost detrital ilmenite grains in sandstones of the Chaswood Formation...backscattered electron images, and elemental maps. Ilmenite grains (Ti/(Ti+Fe) & 0.48) alter patchily to pseudorutile...been precipitated. Si and Al occur in the altered ilmenite, either (1) inherited from original quartz and...change from leucoxene to rutile. The alteration of ilmenite is an important source of Fe for diagenetic minerals |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...historian-collector William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature...ridge had once been mined for quartz, and large ilmenite masses could be seen on the old dumps. In 1975-1976...Brunet collected sharp, black, flattened hexagonal ilmenite crystals to 7 .5 cm in matrix of massive quartz |  | Morgado, Eduardo, Morgan, Daniel J., Castruccio, Angelo, Ebmeier, Susanna K., Parada, Miguel-Ángel, Brahm, Raimundo, Harvey, Jason, Gutiérrez, Francisco, Walshaw, Richard (2019) Old magma and a new, intrusive trigger: using diffusion chronometry to understand the rapid-onset Calbuco eruption, April 2015 (Southern Chile) Contributions to Mineralogy and Petrology, 174 (7) doi:10.1007/s00410-019-1596-0 | Journal (article/letter/editorial) | | few hours. By analysis of Fe–Ti exchange between ilmenite and titanomagnetite crystals in samples of erupted...groups: X usp0.10–0.17; Xusp0.42–0.46), and ilmenite ( Xilm0.77–0.85) (Castruccio et al. 2016; Morgado...to 1070 °C recorded in the rims of Fe–Ti oxide (ilmenite–titanomagnetite) crystal pairs (~ 120 °C above...contain scarce (< 0.1 vol%) titanomagnetite and ilmenite grains in contact with each other (Cal-149Tb,...eruption using Fe–Ti interdiffusion chronometry in ilmenite–titanomagnetite phenocryst pairs. In addition |  | Kovaleva, E., Huber, M.S., Roelofse, F., Tredoux, M., Praekelt, H. (2018) Pseudotachylite vein hosted by a clast in the Vredefort Granophyre: characterization, origin and relevance. South African Journal of Geology, 121 (1) 51-68 doi:10.25131/sajg.121.0002 | Journal (article/letter/editorial) | | E. KOVALEVA, M.S. HUBER, F. ROELOFSE, M. TREDOUX AND H. PRAEKELT Pseudotachylite vein hosted by a clast...characterization, origin and relevance E. Kovaleva, M.S. Huber, F. Roelofse, M. Tredoux and H. Praekelt Department...pdf by Yonsei University user E. KOVALEVA, M.S. HUBER, F. ROELOFSE, M. TREDOUX AND H. PRAEKELT into account...and Reimold, 2004). Lieger and Riller (2012) and Huber and Kovaleva (2017) suggested that the inhomogeneous...proportions of clinopyroxene, biotite, amphibole, ilmenite, magnetite and spinel (e.g. French et al., 1989; |  | Papoulis, Dimitrios, Tsolis-Katagas, Panagiota, Kalampounias, Angelos G., Tsikouras, Basilios (2009) Progressive formation of halloysite from the hydrothermal alteration of biotite and the formation mechanisms of anatase in altered volcanic rocks from Limnos Island, northeast Aegean Sea, Greece. Clays and Clay Minerals, 57 (5) 566-577 doi:10.1346/ccmn.2009.0570505 | Journal (article/letter/editorial) | | both ilmenite and biotite. Ilmenite was altered to anatase and Fe oxides. The altered ilmenite crystals...anatase within the space occupied previously by ilmenite, leading to the formation of skeletal anatase...morphology of newly formed anatase developed outside ilmenite margins in the form of layers parallel to those...biotite) during hypogene and supergene kaolinization. Ilmenite alters to microcrystalline anatase Vol. 57,...(Figure 2d). Iron oxides, anatase, and sparse ilmenite (identified by SEM-EDS microanalyses) were present |  | | Report (chapter) | | Altenhoeferallee 1, 60428 Frankfurt am Main, Germany M Abbreviated title: Phase-equilibria modelling...and potentially eruptible volumes of magma in the upper crust (Bachman & Bergantz 2004; Cashman et al. 2017)...2019 directed to Holness (2018) and Bachmann & Huber (2019), for a valuable critical assessment of the...Sp(WPC) for spinel (White et al. 2002), Ilm(WPH) for ilmenite (White et al. 2000), cAmph(DP) PT and oAmph(DP)...the compaction of the crystal mush (Bachmann & Huber 2019). The phase assemblages produced in both bulk |  | | Journal (article/letter/editorial) | | material scavenged from the country rocks, i.e.the upper crust, during ascent and emplacement is negligible...siderophiles elements from their affinities for the upper crust, mantle or core (Goldschmidt, 1954). Conquently...(Crocket and Teruta, 1977). By comparison, the upper crust indicates 28 ppm of Cu and 0.3 ppb of Au (Rudnick...(Padilla-Garza et al., 2004), and 4 in the Indio Muerto District, El Salvador, Chile (Gustafson et al., 2001)....of the latent heat in buffering the mush motion (Huber et al., 2009). Conversely, the supercriticality |  | | Journal (article/letter/editorial) | | R. Sturm placement (e. g. Fry 1979, Ramsay & Huber 1983, Eisbacher 1990), mineralogical and geochemical...from the Bavarian forest to the Rodl valley. The quarry, 174 R. Sturm Fig. 1. A) Geological map showing...investigated shear zone which is mainly exposed in a quarry near the village Unterurasch (dashed line marks...zircon 175 Fig. 2. Illustration of the mylonite quarry with the position of the sample points (95/1a =...protolith of the shear zone could not be found in the quarry itself, but was sampled about 100 m away from the |
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