| | Journal (article/letter/editorial) | occurrenceof wairakite in spilitic rocks from St. Thomas, Virgin Islands, is of specialinterest for severalreasons...consolidationof this spilite. The oldest rocks of St. Thomas are the keratophyres and spilites of the Water...xenoliths. Length of section 5 inches. flow at Nadir, St. Thomas. Later field work showedthat there wereprobably...ol Werurrro lnou Sr. Tnouas ,q.NpWnrn.lrr St. Thomas n (mean)1.502+ 001 ^f-d 2Y, .0015to .0025...toWerne.r T.c.sln 2. X-Rev Dlu Wairaki (Coombs) St. Thomas (200) dA dA 6.84 6.85 (2rr) 40 80 3.65 | | | Report (issue) | Stallard Professional Paper 1789–A U.S. Department of the Interior U.S. Geological Survey Contents Abstract...mega-annum, 1 million years old USDA U.S. Department of Agriculture USGS U.S. Geological Survey WEBB Water...Rico have been studied on a long-term basis by the U.S. Geological Survey to evaluate water, energy, and...nation are being monitored long-term as part of the U.S. Geological Survey’s (USGS) Water, Energy, and Biogeochemical...particularly 1 U.S. Geological Survey, 3215 Marine St. Suite E127, Boulder, Colo. 80303, USA U.S. Geological | | | Journal (article/letter/editorial) | illite, kaolinite, montmorillonite, chlorite, and epidote minerals. The band rationing method and the mixture-tuned...data can map and differentiate corchlorite and epidote as well as kaolinite and montmorillonite because...discriminating hydrothermal alteration minerals at Nevada, USA. Costa et al. (2015) assessed the potential of WV-3...zones such as hematite, goethite, chlorite and epidote as well as kaolinite and montmorillonite. These...Spatial resolution (m) Nadir: 0.31 20 Off-Nadir: 0.36 Nadir: 1.24 20 Off-Nadir: 1.38 Panchromatic P | | | Journal (article/letter/editorial) | Ratios, and Logical Operator Algorithms John C. Mars† U.S. Geological Survey, Reston, Virginia 20192 Abstract...the Al-O-H spectral absorption feature, chlorite-epidote–rich Proterozoic schist and Jurassic skarn deposits...point off nadir, spatial resolution varies from 1.24 m at nadir to 1.38 m at 20° off nadir for the VNIR...VNIR bands and from 3.7 m at nadir to 4.10 m at 20° off nadir for the SWIR bands. In this study, the SWIR...450 to 800 nm with 0.31 m spatial resolution at nadir and twelve 30-m resolution atmospheric calibration | | Shebl, Ali, Abdellatif, Mahmoud, Elkhateeb, Sayed O., Csámer, Árpád (2021) Multisource Data Analysis for Gold Potentiality Mapping of Atalla Area and Its Environs, Central Eastern Desert, Egypt. Minerals, 11 (6) 641 doi:10.3390/min11060641 | Journal (article/letter/editorial) | (illite/muscovite (sericite)), and propylitic (epidote, chlorite, and calcite) alteration zones could...Advanced Land Observing Satellite (ALOS) and has a nadir spatial resolution of 2.5m that enabled better discernment...minerals. RBD was also very helpful for disclosing epidote-chlorite-rich areas through the following ratio:... Thus, calcite, muscovite, quartz, kaolinite, epidote, and chlorite were mapped. Linear structures form...argillic alteration map. Rocks rich in chlorite-epidote-calcite are mapped via RBD (b7 + b9)/(b8), as seen | | | Report (issue) | McKelvey Forum on Mineral and Energy Resources U.S. Geological Survey Circular 995 DEPARTMENT OF THE...THE INTERIOR DONALD PAUL HODEL, Secretary U.S. GEOLOGICAL SURVEY Dallas L. Peck, Director Free on application...application to the Books and Open-File Reports Section, U.S. Geological Survey, Federal Center, Box 25425, Denver...participation resulted in many positive contributions to U.S. Geological Survey programs in mineral and energy...Session 1 Gary R. Winkler, Charles H. Thorman; Thomas G. Hildenbrand, David A. Lindsey Technical Session | | | Journal (article/letter/editorial) | and (iii) Ca–Al–Si-(OH) bearing minerals such as epidote group, as well as carbonate group (calcite and...assemblages of the outer propylitic zone include epidote, chlorite, and calcite which all exhibit absorption...Laboratory spectra of muscovite, kaolinite, alunite, epidote, calcite, and chlorite resampled to ASTER bandpasses...have 2.17 μm secondary absorption features; and epidote, calcite, and chlorite, which are typically associated...additional 4 day repeat coverage due to its off-nadir pointing capabilities. ASTER is a cooperative effort | | | Book | Quartz Treasure chambers of Augustus II Surface lustre St George statuette Chalcedony Frederick the Great’s...Danburite Axinite Jewellery shopping Vesuvianite Epidote Kornerupine Zoisite Peridot Shwedagon pagoda Garnet...surrounding one of the oldest stones in the Crown Jewels, St Edward’s sapphire – according to tradition, this...The angle between a and b is 120 degrees. In the USA, the trigonal is considered a division of the hexagonal...Agate Tourmaline Aventurine Turquoise Quartz USA Spain Jadeite Aquamarine Guatemala Sapphire Spinel | | | Journal (article/letter/editorial) | Hofstra U.S. Geological Survey, Box 25046, MS 973, Denver Federal Center, Denver, Colorado 80225, USA ABSTRACT...Landsat Thematic Mapper (TM) imagery acquired from the U.S. Geological Survey Seamless Data Distribution system...required. ASTER scenes acquired with significantly off-nadir viewing geometries (>~6º) have higher positional...ephemeris data than do scenes acquired with near-nadir geometries, requiring the use of the rubber-sheeting...overlain on Landsat Thematic Mapper derived from U.S. Geological Survey Seamless Data Distribution system | | | Journal (article/letter/editorial) | Band 01 0.52–0.60 Nadir looking Band 02 0.63–0.69 Nadir looking Band 03N 0.76–0.86 Nadir looking Band 03B...(2003) Carbonates–mafic minerals Carbonate–chlorite–epidote Dolomite Calcite and Dolomite (7 + 9)/8 (6 + 8)/7...between 9.9 and 1.1 μm due to ferrous oxide; 2) the epidote, chlorite, and calcite of propylitic zone have...rocks including actionalite, Muscovite, pyrope, epidote, glaucophane, chlorite, pyrophyllite, paragonite...plot (Fig. 7), the spectra of hematite, siderite, epidote, actinolite, hornblende, augite and diopside minerals | | | Journal (article/letter/editorial) | of the tin-tungstenmassive ene, chlorite,sphene,epidote,rutile, and iron oxide. replacementand vein mineralizationand...MAGNETITE HEMATITE fault, Fig. 2), and one fault, the Nadir fault, has ............ caused so much offset...dependingon whether they occur aboveor belowthe Nadir fault (Figs.2, 6, and 7). PYRITE C HALCOPYRITE...bismuthinite are absent.Vein-ore relationshipsabove the Nadir fault indicatethe quartz-wolframiteveinsare preore...(1976). Concentriczoneshave been defined above the Nadir fault and are centered about tinted fluorite of | | Marini, Mattia, Della Porta, Giovanna, Felletti, Fabrizio, Grasso, Benedetta Marcella, Franzini, Marica, Casella, Vittorio (2019) Insight into Heterogeneous Calcite Cementation of Turbidite Channel-Fills from UAV Photogrammetry. Geosciences, 9 (5) 236 doi:10.3390/geosciences9050236 | Journal (article/letter/editorial) | points were2c) measured and three tilted by 45° from nadir) aerial (Figure acquiredfrom fromthe thesporadic...threeAfter oblique (camera tilted by 45◦with fromthe nadir) aerial blocks (Figure 2c) acquired from the HEXA-PRO...rocks (orthogneisses with muscovite and garnet or epidote, micaschists, schists with glaucophane and chloritoid...rocks (orthogneisses with muscovite and garnet or epidote, micaschists, schists with glaucophane and chloritoid...biotite). Identified accessory minerals are zircon, epidote, garnet, titanite, rutile, glaucophane and magnetite | | | Journal (article/letter/editorial) | (Squantum ‘Tillite’) preserved in the Boston Basin, USA, which is dated by U/Pb zircon analysis of a volcanic...eastern Blue Ridge of central and northern Virginia, USA (Fig. 2) recognized as the Lynchburg Group (Wehr...coarse-grained grossular garnet, chlorite, actinolite, epidote, magnetite, calcite, and dolomite as determined...facies metamorphism include albite, chlorite, epidote, actinolite, and quartz (Reed, 1955; Badger, 1993)...diamictite (Myrow and Kaufman, 1999) and approaching the nadir in values recognized in the older Ediacaran Period | | | Journal (article/letter/editorial) | minerals (e.g., sericite, kaolinite, chlorite, epidote and carbonate) related to PCD alteration zones...consists of a variable mineralogy of chlorite–epidote and calcite (e.g., Abrams and Brown, 1984; Hunt...m resolution. The swath width is 60 km, but off-nadir pointing capability extends the total cross-track...analyses indicated the occurrence of chlorite, epidote, clinozoisite and quartz as major phases, with...actinolite, tremolite, quartz and albite with minor epidote; 5) For potassic alteration, biotite and orthoclase | | Douville, Eric, Bienvenu, Philippe, Charlou, Jean Luc, Donval, Jean Pierre, Fouquet, Yves, Appriou, Pierre, Gamo, Toshitaka (1999) Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems. Geochimica et Cosmochimica Acta, 63 (5) 627-643 doi:10.1016/s0016-7037(99)00024-1 | Journal (article/letter/editorial) | Copyright © 1999 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/99 $20.00 1 .00 Pergamon...Ridge DIVA 1 (Nautile/Nadir) L. STRIKE (Alvin) (Alvin/Atlantis II) DIVA 1 (Nautile/Nadir) TAG (Alvin) (Alvin/Atlantis...(Alvin/Atlantis II) HYDROSNAKE (Nautile/Nadir) MICROSMOKE (Nautile/Nadir) East Pacific Rise CYATHERM (Cyana/Suroit)...(Cyana/Suroit) HERO (Nautile/Nadir) NAUDUR (Nautile/Nadar) Back-Arc Basins NAUTILAU (Nautile/Nadir) MANUSFLUX (Shinkai...1993 TAG Mark 7 US Eiffel tower Igrectroi (Y3) St. of Liberty Sintra Eiffel tower Petit Chimiste Mark | | | Report (issue) | GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printing...range of work done during the 1962 fiscal year. /t THOMAS B. NOLAN, Director. in CONTENTS Foreword. _... Jr., K. L. Buck, and A. P. Pierce______ 200. Epidote and related minerals in two deep geothermal drill...______ 201. Epidote in hot-spring systems, and depth of formation of propylitic epidote in epithermal...used in geochemical exploration by the U.S. Geological Survey; U.S. Geol. Survey Bull. 1152, 100 p. Winfrey | | | Book | Quartz Treasure chambers of Augustus II Surface luster St. George statuette Chalcedony Frederick the Great’s...Danburite Axinite Jewelry shopping Vesuvianite Epidote Kornerupine Zoisite Peridot Shwedagon pagoda Garnet...cut 067 068 STUART SAPPHIRE Octagonal rose-cut St. Edward’s Sapphire Velvet cap with ermine band ...oldest known stones clearly identified as sapphire is St. Edward’s Sapphire: it is believed to date from the...of Persia 1700 1800 1747 The ruby is looted by Nadir Shah’s commander Ahmad Shah, later king of Afghanistan | | | Journal (issue) | Mineralogical Society Vol. 52, No. 2 – Fall 2011 $10.00 U.S. Inside this issue Franklin Mill Site, Part II Harry...M������������ S������ V��. ��, N�. � – F��� ���� $10.00 U.S. Denise Kroth, Treasurer, FOMS 240 Union Avenue...Mineral Museum. Franklin Middle School, Washington St., Franklin, New Jersey. 9:00 AM – 6:00 PM Saturday...Butts, Bernard Kozykowski, Earl Verbeek, Ralph Thomas, the Franklin Mineral Museum, and the Sterling...Mineral Museum, May 1, 2011 Tema J. Hecht 600 W. 111th St., Apt. 11B Photos by Tema J. Hecht. The famous | | | Journal (article/letter/editorial) | quartz, oligoclase, orthoclase, micas, and lesser epidote and zircon [16]. The unit, which was first named...Feke (Adana) ve Bayιndιr (Kaman) Fluoritleri nin Nadir Toprak Elementlerinin Kar ş ιla ş tιrιlmasι, (Çukurova...Sierra Cuchillo area, southcentral New Mexico,” U.S. Geol. Surv., OpenFile Rept. 880566, (1988). 3...S. Yaman, “Bayιndιr (Kaman) Florid filonlarιnda nadir toprak elementleri,” Jeokimyasι, Jeoloji mühendisli...Sierra Cuchillo area, southcentral New Mexico,” U.S. Geol. Surv., OpenFile Rept. 880566, (1988). 42 | | | Journal (article/letter/editorial) | c Applied Physics Laboratory, Laurel, MD 20723, USA b a r t i c l e i n f o abstract Article history:...accuracy and the discovery of a new mineral on Mars, epidote, is reported thanks to these new data reduction...reserved. Keywords: CRISM Mars Hydrated minerals Epidote Remote sensing VNIR reflectance spectroscopy 1...System (PDS) node which is calibrated radiance ðW m2 st1 mm1 ) divided by a solar radiance spectrum whose...chlorite, prehnite BD2.33 Epidote, Fe/Ca carbonate BD2.35 Prehnite, chlorite, epidote D2.45 Zeolites, sulphates | | Takodjou Wambo, Jonas Didero, Pour, Amin Beiranvand, Ganno, Sylvestre, Asimow, Paul D., Zoheir, Basem, Salles, Rodrigo dos Reis, Nzenti, Jean Paul, Pradhan, Biswajeet, Muslim, Aidy M. (2020) Identifying high potential zones of gold mineralization in a sub-tropical region using Landsat-8 and ASTER remote sensing data: A case study of the Ngoura-Colomines goldfield, eastern Cameroon. Ore Geology Reviews, 122. 103530pp. doi:10.1016/j.oregeorev.2020.103530 | Journal (article/letter/editorial) | California Institute of Technology, Pasadena, CA 91125, USA 4Department 5University 6Centre of Geology, Faculty... jarosite, kaolinite, muscovite, chlorite and epidote at district scale. The Automated Spectral Hourglass...covering the study area was obtained through the U.S. Geological Survey Earth Resources Observation and...Helvetia-Rosemont 12 copper mining district, southern Arizona, USA. Landsat-8 bands 2 (0.45-0.51 µm) and 4 (0.640.67...coinciding with ASTER band 6. The propylitic zone forms epidote, chlorite and calcite, exhibiting Mg-OH absorption | | | Journal (article/letter/editorial) | chloritic alterations. Propylitic alteration including epidote, chlorite, albite, and carbonates occurs in the...2006). Propylitic and chloritic alterations (e.g., epidote, chlorite and carbonates) display strong absorption...viewing angles, ranging from 8.59 to 5.73 degrees off nadir, resulting misregistration (Rockwell and Hofstra...(Mongolia) after evaluating them in the Cuprite region (U.S.). 4.2.3 . ASTER TIR mineralogical indices 14 ...occurrence of alteration zones, consisting of chlorite, epidote, and muscovite, within the Kharmagtai Cu-Au deposits | | Zoheir, Basem, Emam, Ashraf, Abd El-Wahed, Mohamed, Soliman, Nehal (2019) Gold endowment in the evolution of the Allaqi-Heiani suture, Egypt: A synthesis of geological, structural, and space-borne imagery data. Ore Geology Reviews, 110. 102938 doi:10.1016/j.oregeorev.2019.102938 | Journal (article/letter/editorial) | Ma) (Johnson and Woldehaimanot, 2003; Jacobs and Thomas, 2004; Yeshanew et al., 2017; Stern, 2017). The...the homoclinal structures, whereas chlorite and epidote schists prevail in the intensely folded blocks...acquired with 38.7° incident angle and 34.3° off-nadir angle. On the other hand, the two Sentinel-1 satellites...resolution, full polarization and variable off-nadir angle have significantly enhanced structural mapping...S2 foliation, typically defined by muscovite, epidote and chlorite, and L2 lineation is defined by quartz | | Rockwell, Barnaby W., Knepper, Daniel H., Horton, John D. (2015) Landsat maps (phase V, deliverable 60), ASTER maps (phase V, deliverable 62), ASTER_DEM maps (phase V, deliverable 63), and spectral remote sensing in support of PRISM-II mineral resource assessment project, Islamic Republic of Mauritania (phase V, deliverables 61 and 64): Chapter E in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II). Open-File Report Vol. 2015 (2013-1280) US Geological Survey doi:10.3133/ofr20131280e | Report (issue) | 2013‒1280 Chapter E U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior...SALLY JEWELL, Secretary U.S. Geological Survey Suzette M. Kimball, Acting Director U.S. Geological Survey...la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-E,...purposes only and does not imply endorsement by the U.S. Government. Although this information product, for...preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or for stratigraphic | | | Report (issue) | 2013‒1280 Chapter E U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior...SALLY JEWELL, Secretary U.S. Geological Survey Suzette M. Kimball, Acting Director U.S. Geological Survey...la République Islamique de Mauritanie (PRISM-II): U.S. Geological Survey Open-File Report 2013‒1280-E,...purposes only and does not imply endorsement by the U.S. Government. Although this information product, for...preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or for stratigraphic |
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