Tektites are found at or near the surface of a large part of the Earth’s continents and ocean floors. They are present in four major strewn fields and the Australasian one alone covers 10% of the planet. Our understanding of these natural glasses has developed in tandem with the recognition of the importance of impact events in the geological record, and tektites are now generally accepted to have resulted from the ejection of silicate melt droplets from the upper levels of large, terrestrial meteorite craters. There is however no up to date volume in the literature which deals with these...

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