Emily is joined by Aubrey Whymark of Tektites.info to chat about TEKTITES! From Moldavite to Australites, Tektites are an extremely famous type of natural glass formed in the seconds following a meteorite impact. This episode dives into the technical aspect of Tektites, and common Tektite scams within the crystal trade.
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AUBREY'S RECOMMENDED READING ON TEKTITES:
This booklet probably provides one of the best brief and simplified introductions to tektites: McNamara K., Bevan A. 1985-2001. Tektites. Western Australian Museum. pp. 38. Out of Print.
This reference is probably one of the more comprehensive recent works which is reasonably straightforward: McCall G. J. H. 2001. Tektites in the Geological Record: Showers of Glass from the Sky. The Geological Society, London. (In print but can be expensive, affordable through The Geological Society, London (often on sale).)
Other references include:
Barnes V. E., Barnes M. A. (Eds.) 1973. Benchmark Papers in Geology: Tektites. Dowden, Hutchinson & Ross, Inc. Out of Print but commonly available at a reasonable price.
Heinen G. 1998. Tektites, Witnesses of Cosmic Catastrophes. Imprimerie' Linden, Luxemburg. 221p. Also published in German as 'Tektite, Zeugen Kosmischer Katastrophen'. Out of Print.
Hurtig M. 2017. Moldavite und ihre Fundschichten in der Lausitz und in angrenzenden Gebieten. Veröffentlichungen des Museums der Westlausitz Kamenz Sonderheft. 233 pp. Available.
McCall G. J. H. 2001. Tektites in the Geological Record: Showers of Glass from the Sky. The Geological Society, London. In print but can be expensive, affordable through The Geological Society, London (often on sale).
McColl D. 2017. Australia's Little Space Travellers. The Flight Shaped Tektites of Australia. Springer 64 pp. In Print.
O'Keefe J. A. 1976. Tektites and their Origin. Elsevier Scientific Publishing Company. Amsterdam. pp. 254. Out of Print. Hancock L. 2008 version (different format) available free at http://originoftektites.com/index.php
O'Keefe J. A. (Ed.) 1963. Tektites. The University of Chicago Press. Out of Print but commonly available at a reasonable price.
Glass B. P., Simonson B. M. 2013. Distal Impact Ejecta Layers: A Record of Large Impacts in Sedimentary Deposits. Springer. 716 pp. In print, but expensive.
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00:00 Intro
02:09 Tektites
09:13 How did Aubrey's interest in Tektites start?
11:29 The Australasian strewn field
18:04 Tektite morphology
31:29 How are Tektites formed?
34:23 Mystery Australasian impact site
60:17 Volatiles in Tektites
65:09 Tektite colour
67:47 Are Pseudo-Tektites Tektites?
74:51 Tektite sculpture
81:51 Aubrey's favourite tektites
87:25 What would happen in the event of an asteroid impact today?
92:59 How to stay up to date with Aubrey's research
7 mins
29 mins