Box Mini Tektite specimens

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#TK-39 Box mini Tektite specimens, containing 4-9 pieces. Each one unique. This Tektite was found on the Pacific Rim in China, from the Australasian strewn field from a meteor impa ct that occurred 780,000 years ago. Tektites (from Greek τηκτός tēktós, "molten") are gravel-sized bodies composed of black, green, brown, or gray natural glass formed from terrestrial debris ejected during meteorite impacts. The term was coined by Austrian geologist Franz Eduard Suess (1867–1941). The overwhelming consensus of Earth and planetary scientists is that tektites consist of terrestrial debris that was ejected during the formation of an impact crater. During the extreme conditions created by an hypervelocity meteorite impact, near-surface terrestrial sediments and rocks were either melted, vaporized, or some combination of these, and ejected from an impact crater. After ejection from the impact crater, the material formed millimeter- to centimeter-sized bodies of molten material, which as they re-entered the atmosphere, rapidly cooled to form tektites that fell to Earth to create a layer of distal ejecta hundreds or thousands of kilometers away from the impact site. This Tektite was found on the Pacific Rim in China, from the Australasian strewn field from a meteor impact that occurred 780,000 years ago. Show more