 | | Journal (article/letter/editorial) |
| © Meteoritical Society, 1990. Printed in USA Tektite research 1936-1990* VIRGIL E. BARNES Bureau of...farm 23 May 1990) ;\bstract-~if~y-odd years of tektite research are reviewed, proceeding from the discovery...earthly materials was ignored so long by most tektite researchers, until it was found that the Moon rocks...participation in tektite investigations, it does not attempt to cover all facets of tektite research. For...For bibliographies of tektite literature and reviews of tektite research prior to 1977, see Barnes (1940a |
 | | Journal (article/letter/editorial) |
| Analysis of Libyan Desert Glass Mass on the Great Sand Sea (Southwest Egypt): Clues to Primary Glass Distribution...2015 / Published: 2 April 2015 Abstract: Libyan Desert Glass (LDG) is a natural silica-rich melted rock...scattered over the sand and bedrock of the Western Desert of Egypt, northeast of the Gilf Kebir. In this work...Oligocene–Early Miocene fluvial dynamics in the Western Desert of Egypt. This was verified from a spatial distribution...high-density population allowed us to restrict the source area of the melting process. We demonstrate the importance |
 | Greshake, Ansgar, Wirth, Richard, Fritz, Jörg, Jakubowski, Tomasz, Böttger, Ute (2018) Mullite in Libyan Desert Glass: Evidence for high-temperature/low-pressure formation. Meteoritics & Planetary Science, 53 (3) 467-481 doi:10.1111/maps.13030 | Journal (article/letter/editorial) |
| (2017) doi: 10.1111/maps.13030 Mullite in Libyan Desert Glass: Evidence for high-temperature/low-pressure...November 2017) Abstract–Libyan Desert Glass (LDG) is a SiO2-rich natural glass whose origin, formation...The object is dominantly composed of siliceous glass and separated from the surrounding LDG by numerous...Underwood INTRODUCTION Libyan Desert Glass (LDG) is a very silica-rich natural glass that occurs as irregular...southern region of the Great Sand Sea of southwest Egypt. The light-yellow to greenish colored pieces were |
 | | Catalog/List |
| Technology Officer Kathleen Guzman Managing Director New York Hayley Brigham Managing Director Beverly Hills...Gold Mockingbird Mine (Talc & Lacy claim) Colorado area, Whitlock District Bagby-Mariposa-Mount Bullion-Whitlock...Dodecahedron Mockingbird Mine (Talc & Lacy claim) Colorado area, Whitlock District Bagby-Mariposa-Mount Bullion-Whitlock...it is really the expansive crystallized surface area of this virtually 6-inch (15 cm) wonder which makes...Bid: $1,800 72015 Gold Nugget Yukon-Koyukuk Census Area Alaska, USA This robust Gold from the Yukon is rather |
 | | Journal (article/letter/editorial) |
| Planetary Science. This new view of the universe includes what I would like to call the New Catastrophism, incorporating...planetological science approach has resulted in new tools to address the ultimate questions of Earth’s...into plate tectonics, and, finally, focus on the New Catastrophism. SOUTH AFRICAN JOURNAL OF GEOLOGY... when pioneer seafarers discovered new continents and opened new shipping routes around the world, mapmakers...obtained the “recipe” and began to rebuild these new but crude instruments. His telescopic investigation |
 | | Catalog/List |
| CEO Co-Chairman of the Board Managing Director New York Hayley Brigham Managing Director Beverly Hills... 72010 Aquamarine on Muscovite Nagar (Nagir), Hunza Valley Gilgit District, Gilgit-Baltistan (Northern Areas)...Mine, Magdalena Magdalena District, Socorro Co. New Mexico, USA This spectacular specimen is, obviously...American locality for Smithsonite - the Kelly Mine in New Mexico. This colossal ‘collector grade’ mineral features...Socorro Co. New Mexico, USA This specimen of Smithsonite came from the acclaimed Kelly Mine in New Mexico |
 | | Catalog/List |
| presentation. These beautiful fossils are displayed under glass in a rich, elegant wooden frame. The sculpted dark...“Brittle” Starfish Plate Ophiura sp. Ordovician Sahara Desert, Morocco This large and shapely mass mortality...with Ophiura sp. from the Ordovician of the Sahara Desert of Morocco. It seems ironic that so many marine...arizonicum Upper Triassic, Chinle Formation, Painted Desert Member Egg Canyon, Garfield County, Utah, USA While...Section Schinoxylon sp. Eocene, Blue Forest Eden Valley, Sweetwater County, Wyoming, USA This is actually |
 | | Catalog/List |
| CEO Co-Chairman of the Board Managing Director New York Hayley Brigham Managing Director Beverly Hills... SESSION ONE 72001 Moldavite (2 pieces) Moldau River Valley Czech Republic The material Moldavite is a product...impact and is a variety of tektite, which is, essentially, a meteorite glass. This pair of pieces are both...$250 72002 Libyan Desert Glass Libyan Desert Glass Area Great Sand Sea Western Desert, Egypt Associated...Associated with meteoric impacts, Libyan Desert Glass is known as an “impactite” formed when the heat and pressure |
 | | Journal (article/letter/editorial) |
| prepared for one or two regions of 45 × 60 µm2 matrix area for each thin section. The X-ray maps were acquired...Zr/Ba and Sm/Nd, respectively. We will also discuss new results for carbonaceous chondrites. References:...option totally unlikely. Walton et al. [8]. provided new Ar-Ar analyses in melt inclusions from shergottites...elements. To confirm this interpretation and obtain new insights on CAI and chondrule formation we performed...Meeting of the Meteoritical Society: Abstracts 5003 NEW K-AR DATING ON IMPACT-GENERATED MELT FROM THE CARSWELL |
