(PDF) Libyan Desert Glass area in western Egypt: Shocked quartz …

Web17 feb. 2024 · ‘Libyan desert glass comes from the border region of Egypt and Libya, where 29 million years ago an enormous asteroid impact occurred and the sands of the Sahara were literally melted into glass,’ says Hyslop. To melt the sand, temperatures of more than 1600°C (2900°F) are required. Web1 dag geleden · Libyan Desert Glass is the remaining evidence of a tremendous asteroid or comet impact with the Earth. Some scientists think an air burst explosion caused the release of sufficient heat to melt and fuse the surface desert sand … text comtech911

WebLibyan Desert Glass/ Libyan Gold Tektite Meanings. Confidence, mental acuity, psychic protection, access to Akashic records, manifestation, realization of personal potential. ... It is a glassy yellow silicon dioxide material with a hardness of 5 to 6, it is believed to be formed from a meteorite impact melting the desert sand. Libyan Desert glass has been dated as having formed about 29 million years ago. Like obsidian, it was knapped and used to make tools during the Pleistocene. The glass is nearly pure silica which requires temperatures above 1,600 °C to form – hotter than any igneous rock on Earth. Meer weergeven Libyan Desert glass or Great Sand Sea glass is an impactite, made mostly of lechatelierite, found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert glass can be … Meer weergeven The origin of desert glass is uncertain. Meteoritic origins have long been considered possible, and recent research links the glass to impact features, such as zircon breakdown, vaporized quartz and meteoritic metals, and to an impact crater. Some … Meer weergeven • V. de Michele (ed.): Proceedings of the Silica '96 Meeting on Libyan Desert Glass and related desert events, Bologna, 1997 Contents • P.A. Clayton / L.J. Spencer: Silica Glass from the Libyan Desert, Vortrag vom 09.11.1933 online Meer weergeven • Atacama desert glass – Desert glass found in the Atacama Desert • Darwin glass – Natural desert glass found in Tasmania • Edeowie glass – Natural glass found in South Australia Meer weergeven • Google Scholar: "Desert Glass" • Glass in Nature from The Corning Museum of Glass Meer weergeven Web5 apr. 2024 · This Metaphysical Crystals item is sold by RicaReiki. Ships from Ingomar, PA. Listed on Apr 5, 2024 text compression method