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| having the green sheen for which amber from this region is noted. Graduating in size from 21.6 to 16.6...iron oxide layers, diffract the Sonoran Desert region, stretching from southwest United States and allow...France Those familiar with specimens from this region will comprehend how rare it is to obtain a cut...collector’s stone found only in Germany’s volcanic region known as the Eifel Mountains. Named originally...The present oval-cut sapphire, a classic for the region, is a fine stone with excellent clarity and luster |
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| LIFE-SIZED SKULL-FORM CARVING OF A GIBEON METEORITE WITH RARE TRIDYMITE INCLUSION Acid-etched to reveal |
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| Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |
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| 224±O.045 Si/Al l5.6±l.6 l6.7±1.3 THE IRON METEORITE BARRANCA BLANCA H. J. Axon and D. Faulkner, Faculty...the microstructure. 257 THE BORGO SAN DONNINO METEORITE: MINERALOGY AND CHEMISTRY B. Baldanza and G. R...research workers, nevertheless the BROGO SAN DONNINO meteorite was never completely studied and described. Therefore...affected to some extent. A PROJECT TO OBSERVE METEORITE FALLS A. T. Blackwell and I. Halliday. Department...covers terrain which is readily accessible for meteorite searching. Each observatory contains five wide-angle |
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| Arizona, in his demonstration of preparing the meteorite for presentation and etching etc. I acknowledge...Kapitany sitting on an eleven tonne Mundrabilla meteorite at the Perth Museum, WA Typeset in Australia by...publisher of this book. AN APPOINTMENT WITH A METEORITE We had marvelled at seen meteorites of all Fair...Tuscon. Why We knew Australia the magnificent meteorite crater in Arizona, and had kinds being displayed...action seems to happen in the USA? had its own meteorite craters, and large meteorites had fallen on the |
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| Appendices, References PUBLISH ED FOR THE CENTER FOR METEORITE STUDIES, ARIZONA STATE UNIVERSITY BY THE UNIVERSITY...Poems, London,l803 PREFACE The Center for Meteorite Studies is pleased to have the opportunity to...work. As a part of his travels the Center for Meteorite Studies is proud to acknowledge the year he spent...teaching about the meteorites in the Nininger Meteorite Collection. This set of books is the most comprehensive... Foremost certainly as far as the Center for Meteorite Studies is concerned is Herbert G. Fales whose |
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| Zerhamra Supplement PUBLISHED FOR THE CENTER FOR METEORITE STUDIES , ARIZONA STATE UNIVERSITY BY T HE UNIVERSITY...and Ablation 30 Sound Phenomena 31 Chapter 4 - Meteorite Craters 0 0 0 0 0 0 0 0 0 0 0 0 0...Data on Meteors, Fireballs and Meteorites 15 The Meteorite Fall 19 Factors Affecting Penetration Characteristics...Structures 131 Concluding Remarks 136 Chapter 12 - Meteorite Ages . . . . . . . . . .... .... 137 Nucleosynthesis... . . . . . . . . . . . . . . 167 8 - List of Meteorite Collections ... ....... . . . . 170 Literature |
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| Germany, Emerald Mining in Austria’s Habachtal Region, A Return to Tucson, and More… Duncan Pay FEATURE...history of Austrian emerald deposits in the Habachtal region. p. 40 REGULAR FEATURES p. 55 47 The Dr. Edward...Stephen M. Avery’s 50 years in gem cutting • Meteorite skull carving • Puzzle-like gemstone designs •...Germany, Emerald Mining in Austria’s Habachtal Region, a Return to Tucson, and More… Welcome to the Spring...history of emerald mining in Austria’s Habachtal region. In the second installment of his two-part series |
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| sharp, but irregular interfaces with the host meteorite and have characteristics which suggest that formed...from hot deserts. The 26AI concentration in a meteorite depends upon different parameter like the exposure...analyzed sample and the terrestrial age of the meteorite. Our data contributes to the understanding of...production rate characteristic for the corresponding meteorite class. We do not find extremely low 26AI concentrations...order to reconstruct the irradiation history of a meteorite in detail, it is essential to analyze other cosmogenic |
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| crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E. Frimmel...fourfold rotary inversion axis in c. Example: the meteorite mineral schreibersite (Fe,Ni)3P. 5 4/m, tetr.-dipyramidal:...calcite and aragonite, CaCO3, α-quartz, β-quartz, tridymite, christobalite, coesite and stishovite, SiO2....by the SiO2 polymorphs α-quartz, β-quartz and tridymite, whose transformations may be either displacive...β-quartz to the even higher temperature phase tridymite, involves the total breaking of the bonds between |
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| FIB sections retrieved from the matrix of each meteorite using a Talos F200X. All observations were conducted... [14] Schrader & Davidson (submitted) GCA. METEORITE MATERIAL MODEL FOR STRUCTURAL PROPERTIES Parul...needed to achieve this objective. At present, the meteorite material found on earth are the only objects from...properties for the entire family of asteroids, meteorite unit models are developed to determine the effective...turn deduce the properties of asteroids. The meteorite unit is a representative volume that accounts |
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| Fe2+-Mg2+ ORDER-DISORDER IN PYROXENE FROM THE CACHARI METEORITE Y. A. Abdu1, R. B. Scorzelli2, I. Souza Azevedo2...San Juan, Argentina. Introduction: The Cachari meteorite, found in 1916 in Argentina, is a monomictic eucrite...Guidebook to the geology of Meteor Crater. Center for Meteorite Studies Publication 17. [3] Kieffer S. W. 1971...1–2 Ma range in ages of chondrules from a given meteorite (e.g., [4]) are difficult to understand. The volatile...Takeda2, A. Yamaguchi1, and M. Ohtake3. 1Antarctic Meteorite Research Center, National Institute of Polar Research |
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| occasionally shift the transmission window into the orange region (figure 4B). Here we discuss the color centers...remaining unique characteristics from the geographic region (i.e., country of origin) in which their kimberlites...shows that it is predominantly in the same spatial region of the stone as the N3 luminescence, which may...integrated for 60 ms. The inset zooms in on the region of the 499 nm ZPL. 228 TIME-GATED LUMINESCENCE...mining titles for Chivor 1 and 2 and land in the region are sold to the “Chivor Emerald Corporation” in |
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| to determine the point-group. Tourmaline from Namibia exemplifies an extreme case where symmetry is expressed...(b) (c) Fig. 5.27 Black tourmaline from Erongo, Namibia. (a) Prismatic crystal with striations. (b) One...magnetite inclusion in clinopyroxene from Messum (Namibia). (b) Magnetic force image of the same sample illustrating...× 0.5 cm from the rock sample that contains the region of interest. One side of the slab is polished with...a bright circular region (Figure 10.12a). In monochromatic light this bright region can be brought to |
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| pyroxenite, near Libby, Montana, from the Khibiny region (Kola Peninsula), and from an alkaline-syenite...aragonite outside of its thermodynamic stability region are related to entrapment of HC0 3 ~ groups in...1965. The system CaO-C0 2 -H 2 in the two phase region calcite and aqueous solution,/. GeoL, 73, 391-403...a metamorphosed rock strongly suggests either meteorite impact or large-scale conventional or nuclear...vicinity of other craters suspected to be of meteorite-impact origin. Coesite has also been recovered |
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| within the city limits, but also to the surrounding region. In this edition of the Thesaurus, names of cities...newly added are followed by the word “region”; e.g., Stripa region. Names of materials, when used as GeoRef...Village in central. BT Alberta Canada Abee Meteorite Term introduced in 1985. Impact at SA glaciers... isochrons isotopes SA SA Abruzzi Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...Islands Adalia use Antalya Adamawa Administrative region in N. BT Cameroon adamellite As of 1981, includes |
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| the city limits, but also to the sur¬ rounding region. Terms for materials in GeoRef, for example, "iron...Aberfeldy Term introduced in 1989. Town and mining region in Tayside, central Scotland; oil field in Lloydminster...Italy NT Chieti NT Marsica AJjsaroka Fault Abee Meteorite aa Taylor County Texas Texas Southwestern U...in GeoRef (see Introduction, p. vi). Autonomous region on the Adriatic Sea. CO N414000N425500 E0144800E0130000...SA Aleutian Islands Adalia use Antalya Adamawa Region in W Africa, now part of N central Cameroon and |
