 | | Journal (issue) | | known of its existance as the source for the finest rutile crystals in the world and it was one of the few...Ga., view looking north-northwest. the presence of lazulite, pyrophyllite and rutile in a published report...Investigation then showed that pyrophyllice, cyanite, rutile and other minerals were also present. Prof. Shepard...were very small-a few insignificant pits. It was rutile, however, which made the mountain famous. At least...been made on the north slope in search of specimen material. Kunz' reported that the rutile from this locality |  | | Journal (issue) | | Bochum, W. Germany Eric Offermann Arlesheim, Switzerland Harold and Erica Van Pelt Los Angeles, CA photomicrography:...477 by W. A. Henderson, Jr. & V. Peisley Fibrous rutile from Franklin, New Jersey........................world's premier location for large, multiply twinned rutile crystals. Active kyanite mining over the past several...reaching the collector market. In addi tion to rutile, the mountain is well known for its abundant large...northeast at ir regular intervals at least to central North Carolina. The highest hill reached an elevation |  | | Journal (article/letter/editorial) | | shear zones and contain brannerite and grains of rutile. The larger nodules not only are surfounded by...Blankenshipof Reseda,California, and W. p. Sykes of North Hollywood, California, brought to D. F. Hewett specimens...prospecting for uranium in the low hills along the north slope of the san Bernardino Mountains, San Bernardino...found on the steep eastward slope of a ridge that extends generally north from the San Bernardino Nfountains...feet, where it mergesinto one of the broad basins north of the mountains.Projecting the land net into the |  | | Report (chapter) | | Lincoln County, Georgia. The finest specimens of rutile on exhibition in many of the famous private and...---- _________________ 18 ___ 18 Pyrophyllite Rutile --- 18 19 Developmental Stages at Graves Mtn...ECONOMIC GEOLOGY Kyanite _________ _ Pyrophyllite Rutile ---------------------28 --------------- ---------------·---...of kyanite to pyrophyllite _____ 29 17. Coarse rutile in pyrophyllitized kyanite ___________________...more than a century its unusually fine crystals of rutile and lazulite have attracted collectors from all |  | | Book | | Petrographie Universitat Perolles CH-1700 Fribourg Switzerland Prof. Dr. FRANZ NEUBAUER Institut fur Geologie...Pre-Alpine Basement ofthe Brian~onnais (Wallis, Switzerland) .......... 297 P. THELIN, M. SARTORI, M. BURRI...Austro-Alpine Nappes in the Bernina Massif (Grisons, Switzerland; Valtellina, Italy). . . . . . . . . . . . .... GEOTEST, Birkenstr. IS CH-30S2 Zollikofen, Switzerland BIINO,G. Institut fUr Mineralogie und Petrographie...Petrographie, Balzerstr. 1 CH-3012 Bern, Switzerland BONIN,B. Dept. de Petrologie - Volcanologie, Biitiment |  | | Journal (issue) | | Bochum-Querenburg, West Germany Eric Offermann Arlesheim, Switzerland photomicrography: Julius Weber Mamaroneck, New...Harker, 2, Wellsic Lane, Rothley, Leicestershire LE 7 7QB England South Africa: Horst Windisch, 30 van...Sullivan, an American collector/dealer living in Switzerland. He will keep us informed of goings-on in Europe...eight-fold rotations. Figure 14 is a cyclic twin in rutile. Eight individuals form a complete “ring.” Poly...Figure 8. (above) Calcite showing parallel growth (North Vernon, Indiana; golden yellow; 6.4 cm wide; U.S |  | | Journal (article/letter/editorial) | | University of Fribourg, Pérolles, 1700 Fribourg, Switzerland EMPA, Swiss Federal Laboratories for Materials...Energy, Überlandstrasse 129, 8600 Dübendorf, Switzerland c Institut für Geowissenschaften, Mineralogie-Geochemie...debris avalanche deposits extending about 25 km north into Lake Natron. Lengai II is characterized by...Energy, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland. Tel: +41 44 8234862; fax: +41 448234022. E-mail...ft.) East slope OL; 2°45.376, 35°57.523 South-west slope OL; 2°46.360; 35°53.536 Western slope OL; 2°45 |  | | Report (issue) | | -----------------------------------------------Rutile...........•••.........•..•..........•.•.•••......________________________ Origin of the kyanite-rutile-lazulite mineralization....-------------------...---------------···---------------------------·-North Carolina.. -------------------------·--········...16 Massive kyanite from Gumlog, about 7 miles north of Blairsville. Showing the cleavages of kyanite...studied the deposits of kyanite and vermiculite in north Georgia in the summer of 1934 under an allotment |  | | Book (edition) | | .............................................. North Carolina ....................................................................... _............ . North Carolina ..................................................................................... . North Carolina ......................................... Prospecting and mining at the emerald mine in North Carolina were aUended wit.h only partial success...M. Walker, of New York, N. Y., and Richard Stino-le, of PJ1ilipsburg, Mont., for informat.ion concerning |  | | Journal (article/letter/editorial) | | Turkey. Sommaire La tourmaline est le borosilicate le plus répandu dans le milieu magmatique-hydrothermal...trouvent le gisement mésothermal argentifère à Pb–Zn–Cu de Kadıkalesi (Bodrum–Muğla) et le gisement aurifère...dans le domaine de la buergerite. Le mécanisme de substitution principal serait exprimé par le vecteur...compositions dévient de la série idéale schorl–dravite selon le vecteur d’échange de l’uvite. Les spectres de Mössbauer...contain Cu–Au–Mo mineralization. Although present in North American and some Australasian deposits, breccia |  | | Report (issue) | | .. : ... ·......................... ·... 185-186 Le~s 97 and 98 ....................................... . . . . . . . . . . . . . . 8 III. A. Brown's North quarry, property of the R.ockmart Shale Brick &.... . . . . . 36 B. Dump of slate waste, Brown's North quarry, R.ockmart, Polk County ...................cent. The usual mode of occurrence is in minute rutile ''needles.'' 20 GEOLOGICAL SUEVEJ[ OF GEORGIA...Clastic or authigenous. Clastic Quartz grains Rutile needles. Feldspar grains. Tourmaline. Zircon grains |  | | Journal (volume) | | Geology of Romania, Technical Univ. Cluj-Napoca – North Center Baia Mare Editor in Chief: Conf. Dr. Sorin...Cluj-Napoca – North Center Baia Mare, Floarea Damian, Technical Univ. Cluj-Napoca – North Center Baia Mare...Annual Conference and International Symposion. North America Lake Management Society: p268-274. Smol...010041 Bucharest, RO; Technical Laboratory at Lhoist North America, Inc., 3700 Hulen Street, Forth Worth, Texas...element minerals occurrence is situated on the north slope of the Sebes Mts, South Carpathians, in the upper |  | Mi, Wentian, Luo, Yuhang, Xin, Jie, Tai, Baoqiang, Ye, Xiangfei, Miao, Ke, Shang, Fuhua, Zhang, Peng (2023) Provenance Difference Analysis of the Eastern and Western Taiyuan Formation in the Northern Margin of the Ordos Basin and Its Tectonic Significance. Minerals, 13 (2) 155 doi:10.3390/min13020155 | Journal (article/letter/editorial) | | Paleozoic, the Siberian plate collided with the North China Craton, and the Taiyuan Formation was deposited...© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed...Basin is the largest multicycle craton basin in the North China Craton [1,2] (Figure 1), with sustained subsidence...considered to be from the northern margin of the North China Craton, but the difference between the east...considered to be from the northern margin of the North China Craton, but the difference between the east |  | | Report (volume) | | area ; two major systems bound the district on the north and west. Quartz veins in the area are grouped into...is .asymmetrical in cross section. The eastward slope is more irregular and at places more abrupt than...than the generally unbroken front of the western slope. Glacial cirques are prominent on the east side of...and steep ridges that are heavily timbered on the north-facing slopes and also in shaded canyons. Yellow...in many of the ranges of western Montana; to the north, they crop out over much of northern Idaho, western |  | | Report (issue) | | aluminous alterations in other regions Examples in North America Examples in South America Large hydrothermal...High—alumina deposits in Moore County Other deposits in North Carolina Origin and significance of the high alumina... 10a Figure 3.--Schematic cross section of the North Kounrad 10b alteration system and its copper ore...--Generalized geologic map of the Asheboro area, central North Carolina 18a Figure 5.--Hydrothermal alteration...--Hydrothermal alteration at Pilot Mountain, Randolph County North, Carolina 30a Figure 7.--Soil sample analyses, Pilot |  | | Report (chapter) | | thickened Indian plate, has been studied along the north-south transect of Mt Everest (Chomolungma; 8848m)...quartzplagioclase-biotite-orthoclase-garnet-sillimanite + rutile; 11, quartz-plagioclase-biotite-muscovite-kyanitegarnet...itegarnet ___sillimanite + orthoclase + rutile; 12, quartz-biotite-muscovite-plagioclase-kyanite + garnet...synmetamorphic thrusting along the MCT as proposed by Le Fort (1975). The HHC of the Everest region has been...metres thick which generally dips 15-30 ° to the north and separates the HHC from the underlying Lesser |  | | Journal (article/letter/editorial) | | large-scale thrust systems dipping to the north (Fig. 1). From south to north, these units in Nepal are: the molasse...l’Arun”; Bordet, 1961) deflecting to the north the E–W trend of the north-dipping lithotectonic contacts, and...range in southern Tibet (Fig. 2). From south to north the ATW shows a complete section of the Himalayan...Tethyan Sedimentary Series at the top (Fig. 2). North of Tumlingtar and structurally upward, the lowgrade...between Nepal (to the south) and China (to the north). (LHCS, Fig. 2), as is done in western–central |  | | Report (issue) | | _________ _ 3 3 6 7 7 7 North west-trending faults ____ - _____ _ North-trending faults ______________...staurolite in garnet-mica schist of the staurolite zone north of Junction Peak ____ 13 Photographs showing pseudomorphs...allows correlation with known equivalents farther north with greater certainty than could be done previously...in this report starting with biotite zone in the north and followed succes.sively by zones of garnet, staurolite...miles. Several high-angle faults--most trending north, ·some trending northwest-interrupt the stratigraphic |  | | Journal (article/letter/editorial) | | This article was downloaded by: [North Carolina State University] On: 10 April 2015, At: 14:38 Publisher:...compaction, and soil horizons. Downloaded by [North Carolina State University] at 14:38 10 April 2015...rocks are spread in an unbroken mantle over only north China, while others claim that they occur in south...fact, loess and loess-like rocks are found only north of the Tsinling Shan range. Here they cover most...material (sand, gravel, and pebble). Downloaded by [North Carolina State University] at 14:38 10 April 2015 |  | | Report (volume) | | aluminous alterations in other regions ---Examples in North America ---------------------------------------...-----------------------------------------------Other deposits in North Carolina --------------------------------------...-------------3. Schematic cross section of the North Kounrad alteration system and its copper ore body...Generalized geologic map of the Asheboro area, central North Carolina --------------------------------------...Hydrothermal alteration atPilot Mountain, Randolph County, North Carolina -------------------------------------- |  | Bernet, Matthias, Piraquive, Alejandro, Urueña, Cindy, López-Isaza, Julián Andrés, Bermúdez, Mauricio A., Zuluaga, Carlos, Amaya, Sergio, Villamizar, Nicolás (2019) Multidisciplinary petro-geo-thermochronological approach to ore deposit exploration. Ore Geology Reviews, 112. 103017 doi:10.1016/j.oregeorev.2019.103017 | Journal (article/letter/editorial) | | zircons, monazite, titanite, xenotime, allanite, rutile, cassiterite, magnetite, calcite, etc.) and mineral...Scherstén et al., 2012; André-Mayer et al., 2014; Le Mignot et al., 2017; Toro et al., 2017) All these...rocks datable with the U-Pb method are for example rutile, allanite, xenotime, monazite, cassiterite or garnet...contrast to high temperature U-Pb dating of zircon, rutile or monazite, U-Pb dating of calcite allows dating...to dating Fe and Mn-oxides (magnetite, hematite, rutile) and base metal vein mineralization (Lippolt and |  | | Report (issue) | | absence of accessory minerals such as apatite, rutile and zircon. Subsequent low grade regional metamorphism...collected one kilometer east of the haul road just north of Nutirwik Creek. Fault bounded slivers of purple...****** ****** f ***** 67*45' 5 kilometers North Slope terrane Purple and green phyllite Endicoa terrane |  | | Journal (article/letter/editorial) | | separated by large-scale thrust systems (Fig. 1). From north to south, these units are the IndusYarlung Tsangpo...extensional shear zone (Burg et al., 1984), the north-directed South Tibetan Detachment System of Burchfiel...(Bordet, 1961) which offers a complete section of the north-dipping Himalayan nappe pile, from the Lesser Himalayan...System, which separates the greenschist-facies North Col Formation (and Cambrian to Eocene Tethyan sedimentary...(LH); 2) Greater Himalayan Crystallines (GHC); 3) North Col Formation; 4) Tethyan sedimentary sequence; |  | | Report (issue) | | __-__ Slate __ . Halifax County Other localities North Carolina Hagers Mountain, Person County.- _.______...________ ____ Rutherford County Other localities North Carolina-South Carolina Kings Mountain district... IV CONTENTS Page Kyanite deposits Continued North Carolina-South Carolina Continued Kings Mountain..._________________________________________________-_ ___ __ North Carolina _.._...__.._._._......__.__-_ .._ _ South...Lincoln and Gaston Counties, N.C. Geologic map of the north end of Clubb Mountain, Lincoln County, N.C. Geologic |  | | Report (issue) | | of Blue Ball post office and the same distance north-northeast of Olio post office. The prospects are...Mountain, attaining an altitude of 1,750 feet; and the north side is formed by Petit Jean Mountain, another 271...shale dips at angles of 40° or more toward the north and is estimated to be fully 4,000 feet thick. Heavy...40°-45° S. on the south slope of the mountain and 60°-70° N1. on the north slope. Sandstones and shales...younger than the Atoka formation are exposed on the north side of the Dutch Creek valley and on the PERIDOTITE |
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