 | | Journal (article/letter/editorial) | | oxidation products on the surface of the Hoba nickel-iron meteorite D. C. GOLDEN!, D. W. MING2 AND M. E...oxide layer adjacent to the surface of the Hoba Ni-Fe meteorite was analyzed chemically and mineralogically...oxide layer surrounding Hoba. Most of the Ni from the unweathered original meteorite was distributed among...Some Ni migrated to the limestone in which the meteorite is embedded. No evidence for zaratite or akaganeite...accumulation in limestone in contact with the meteorite is probably due to phosphate adsorbed on Fe-oxides |  | | Journal (issue) | | Figure 1 Headframe of the De Wet Shaft, Tsumeb 1 Namibia Handbook (Footprint) p324 -7- SMLS Journal 176...and diversity of mineral resources throughout Namibia. Although widely ranging and distributed, a large...areas in Namibia reveal rocks of the original basement complex, but in the vicinity of Grootfontein and Berg...Berg Aukas gneisses and granites of the Grootfontein Metamorphic Complex are exposed. These rocks are...brand new book on the minerals and crystals of Namibia (Bahmann,2001) Although it was in German, the pictures |  | | Book | | 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 |  | | Journal (article/letter/editorial) | | an adventure of a lifetime. Spend two weeks in Namibia, a country of striking scenery, exotic animals...felt that additional days should be scheduled in Namibia to offset the time (and expense) spent on the long...their spouses, and four other friends. Our tour of Namibia and South Africa was now extended for a third week...Mineral Safari to the remote southwestern corner of Namibia. We decided to rent vans and depart the safari...drive more than 1,000 kilometers to Oranjemund, Namibia, where the Orange River flows into the frigid South |  | | Journal (article/letter/editorial) | | fresh, coarse-grained quartz-dolerite crosses the top of the hill. The meteorite lies exposed for some...I t was buried 2 or 3 feet deep in a red loamy quartz rubble, which is covered by a few inches of soil...t there was a sacred stone FIG. 1. The Mbosi meteorite ; side view as seen in the excavation. (Much reduced...as can be seen from the present exposure, the meteorite is roughly wedge-shaped, about 10 feet long, 3...3 feet wide, and 4 feet FIo. 2. The Mbosi meteorite viewed from the left end of fig. 1. (Muchreduced |  | | Journal (issue) | | in a locality, or a particular species, such as quartz. Some collect nothing but gem crystals, sometimes...mines are 3 inches across and are associated with quartz crystals. The odd, gearlike form of the mineral...known for superb, rhombic, red rhodochrosite with quartz. These are exceptional in quality and are highly...sit on a flat plate covered with small, bright quartz crystals, with minor fluorite and sulfide minerals...England, Colorado, California, Peru, Italy, France, Namibia, and many other places. Aside from the Austrian | | | Journal (issue) | | in a locality, or a particular species, such as quartz. Some collect nothing but gem crystals, sometimes...mines are 3 inches across and are associated with quartz crystals. The odd, gearlike form of the mineral...known for superb, rhombic, red rhodochrosite with quartz. These are exceptional in quality and are highly...sit on a flat plate covered with small, bright quartz crystals, with minor fluorite and sulfide minerals...England, Colorado, California, Peru, Italy, France, Namibia, and many other places. Aside from the Austrian |  | | Book (edition) | | Meteorites ol . Meteorite Classification 63 . Collecting Meteorites 78 . Meteorite Craters 90 OT...and Museums 123 Appendix D: Meteorite Dealers 127 Appendix E: Meteorite Verification Laboratories ...the area of meteorites; Mike’s cataloging of meteorite prices over the past ten years has been an invaluable...Martinez assisted me with the photography of meteorite and tektite samples; trust me, these rocks are...History in New York for photos of the Willamette Meteorite and the 1833 Niagara Falls Leonid Storm painting |  | | Journal (article/letter/editorial) | | presentation on the Minerals of the Aris Phonolite, Namibia. Earl English did the final summation of the evening...Watts spoke on his trip to the Aris phonolite (Namibia), I showed some experimental digital work, Bob...Turner gave a presentation on A Brief Wander Around Namibia, which ranged from travelogue through reminiscences...Iron mine (a uraninite deposit) to the 60-ton Hoba Meteorite and the Omaruru Tourmaline mine. After another...in Kenya that complemented the earlier talk on Namibia. David Binns followed with the annual quiz—a really |  | | Book (edition) | | Meteorites 51 5. Meteorite Classification 63 6. Collecting Meteorites 78 7. Meteorite Craters 90 8...and Museums 123 Appendix D: Meteorite Dealers 127 Appendix E: Meteorite Verification Laboratories 133...the area of meteorites; Mike's cataloging of meteorite prices over the past ten years has been an invaluable...Martinez assisted me with the photography of meteorite and tektite samples; trust me, these rocks are...History in New York for photos of the Willamette Meteorite and the 1833 Niagara Falls Leonid Storm painting |  | | Book | | 1 Y IG MINERAL! |de up of minerals such as quartz, and feldspar. Minerals and gemstones ike an interesting...displays might show different colors and shapes of quartz. Interesting or unusual rocks, such as magnetic...Earth. The incredible heat and pressure from the meteorite melts minerals and shoots them up into the air...following the fireballs. ▼ The Hob a Meteorite is the largest meteorite ever found and the biggest naturally...Arctic regions. -■ SOUP BOWLS? Agate is a type of quartz that forms in layers of different colors making |  | | Journal (article/letter/editorial) | | The Mechanical and Thermal Alteration of Iron Meteorite Structures H. J. AXON, Department of Metallurgy...rates require the parent meteorite bodies to be very much larger than known meteorite falls and it is necessary...in size. This nickel-iron, extracted from the meteorite and cleaned from adhering material, shows some...to their diameter. Polished sections of the meteorite show that 1. The clusters of nickel-iron grains...Metallographic Observations on the TishomingoOklahoma Meteorite R. D. BUCHHEIT and J. L. MC CALL, Battelle Memorial |  | | Journal (article/letter/editorial) | | XXIII. Meteoric iron and silica-glass from the meteorite craters of Henbury (Central Australia) and Wabar...occurrences has added much to the knowledge of meteorite craters. 1 The two present m a n y points in common... Spencer, Meteorite craters. Nature, London, 1932, vol. 129, pp. 781784, 5 figs. Meteorite craters as...Abstr., vol. 5, p. 301.] A. R. Alderman, The meteorite craters at Henbury, Central Australia. Min. Mag...Geogr. Journ. London, 1933, vol. 81, pp. 1-26 (Meteorite craters mentioned, pp. 12-14, 24-25, plates at |  | | Book | | Goudie Heather Viles Landscapes and Landforms of Namibia World Geomorphological Landscapes Series editor...Goudie • Heather Viles Landscapes and Landforms of Namibia 123 Andrew Goudie School of Geography and the...geographically coherent region. This volume presents the geomorphology of Namibia—a country that hosts superb...with wildlife—they can all be found across Namibia. Since Namibia is relatively easy to navigate, the book...their assistance and valued company in the field in Namibia, including Dick Grove, the late Charles Koch, Abi |  | | Book | | mineralogists of that time working actively in meteorite research. It was then one of the few books available...the following years, great progress was made in meteorite research, mainly due to the increasing interest...fields, as well as meteorite, collectors and experts. Thus, this book describes meteorite falls, in¬ cluding...to obtain these results. An appendix for the meteorite collector shows how to calculate trade values...values for different meteorites, and a list of meteorite falls from the last 8 years is given. Mainz, January |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda São Thomé...Democratic Republic of Congo were also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly figured...relatively high potassium content and the abundance of quartz means that the saprock is not broken down into |  | | Journal (article/letter/editorial) | | phase was sulfide ¼ 1; open symbols, light grey region) and at values of aFe¼1 pure FeS ( asulfide FeS...FeS FeS ( aFeS <1; filled symbols, light yellow region), which corresponds to the fO2 I I (~IW–1) at which...of sulfide saturation of the lunar mare source region, we note that all the Apollo suites contain at...the estimates of the magnitude of postaccretion meteorite flux for the Moon, and imposes only an upper bound...high-purity silica into the closed end of a fused quartz tube, followed by the chromite crucible, which |  | | Book | | when earthly emanations were set ablaze in the region of fire that he believed surrounded the planet...During the early life of the Solar System, the region orbits to pull the comets in toward the Sun or...nucleus spins, it periodically exposes a volatile region on its surface to sunlight, un¬ leashing a fresh...characteristic emission in the ultraviolet wavelength region of the spectrum. However, since Earth's atmosphere...hydrogen in the UV range and hydroxyl in the radio region proved that the water ice proposed by Whipple twenty |  | | Book | | Stones from the Sky 17 3 Astronomical 27 4 Meteorite Flight, Falls, and Impacts 37 5 The Morphology...Possible Primitive Life 213 Forms 5 CONTENTS 18 Meteorite Ages and Isotopic Studies 219 19 The Origin... Illustrations PLATES PAGE The fall of the Sikhot-Alin Meteorite (Academy of Sciences of the USSR) 45 The re-entry...Schwarz) 49 The World's largest single meteorite mass-the Hoba meteorite, South West Africa (American Museum...recovery site (V. F. Buchwald, the finder) 57 A meteorite mass (iron) on display in Outer Mongolia (New |  | | Book | | obtain a panorama of the scope and substance of meteorite research. I endeavored to remedy this situation...not exhaustively discussed—the great upsurge in meteorite research along many new lines in recent years...and conservation of meteoritic material. Every meteorite is to some degree unique; and meteorites, unlike...I not been favored bv the curatorship of the meteorite collection of The American Museum of Natural History...Chicago Natural History Museum, the Nininger Meteorite Collection (Arizona State University, Tempe), |  | | Book | | CHAPTER 4 A Rain of Comet Dust 65 CHAPTER 5 Meteorite Hunting 81 CHAPTER 6 Rocks from the Moon and...Neptune (Fig. 1.1). Comets probably formed in the region where Uranus and Neptune were born. Here the physical...relative distances to the giant planets and the region of comet formation. Cosmic Pinball 13 coalesce...distant orbits at the edge of the solar system in a region called the Gort cloud, named in honor of Ian Oort...the first comet to be observed in the microwave region of the spectrum, where scientists found emissions |  | | Book | | older rocks, their most common constituent being quartz. Grains of mica give the sand and the sandstone...action of the weather. These grains, like those of quartz and mica, come from the granite, and if the feldspar...nondescript sort of dark rock, formed of coarse grains of quartz and other minerals and perhaps containing large...rock itself. Thus a granite is not sorted out into quartz, feldspar and mica and a granite pebble may show...in a conglomerate consist of granite, quartzite, quartz, flint and a very similar material, chert. Limestone |  | | Journal (issue) | | Pacific Northwest, the fiery trail of a large meteorite illumi- nated the skies over southern Oregon... only a mile short of the Oregon border. The meteorite was found on October 13, 1938, by three deer hunters...hunters and was recovered the following year by meteorite scientist H.H . Nininger, assisted by three professors...Washington, D.C. The Goose Lake meteorite is presently the largest meteorite in the Smithsonian's collection...Oregon's near-miss experience with the Goose Lake meteorite provides an appropriate background for this review |  | | Book | | that has been exposed over time by erosion. e--_ Quartz The Grand Canyon, Arizona, USA. The Colorado River...mix of three main mineral crystals - feldspar, quartz, and mica. The type of feldspar and the mix of...including feldspars, olivine, amphiboles, micas, and quartz. Tuff is rock formed of volcanic ash, which is...minerals forms wavy pauerns Contains over 90 per cent quartz Fulgurite is lightning ''frozen in stone'' at... Sandstones are made from small grains of hard quartz. The mineral is tough and makes a hardwearing rock |  | | Book | | the study of meteorites and information on key meteorite falls. ISBN-13: 978-1-55407-515-7 (bound).--978-1-55407-833-2...Mars opposite Weighing in at 60 t plus, the Hoba meteorite is the largest |known on Earth. | or the...metal and silicate minerals. These different meteorite types are further described in chapter 4. Peebe...on Earth is in the form of tiny dust grains, meteorite: stone, iron and stony- usually less than 1 mm... WHAT ARE METEORITES? LEFT The Peekskill meteorite was witnessed by many people as it partially burned |
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