Within Indonesia are a series of small rocks which in only 5 minutes time were thrown 2,000 kilometers. This is the story of how the unusual Belitung Island tektites formed, which are often sold by the trade name "billitonites".
Thumbnail Photo Credit: This work "TektiteBlack26", is a derivative of a photo (resized, cropped, text overlay, overlaid with GeologyHub made graphics (the image border and the GeologyHub logo)) from "Indochinite tektites (Pleistocene, 783-803 ka; Australasian Tektite Strewn Field, southeastern Asia) 19", by: James St. John, jsjgeology, 2021, Posted on Flickr, Flickr account link: [ Ссылка ], Photo link: [ Ссылка ], CC BY 2.0. "TektiteBlack26" is used & licensed under CC BY 2.0 by Youtube.com/GeologyHub
Estimates on asteroid diameter, velocity, and tnt energy equivalent in this video were sourced using the calculator at [ Ссылка ], which was used with permission.
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Sources/Citations:
[1] Harbowo, Danni & Afdareva, M & Inggrid, V & Sumardi, S. (2021). Batusatam physical and chemical properties review: A Billitonite tektite in Southeastern Belitung Island, Indonesia. IOP Conference Series: Earth and Environmental Science. 882. 012012. 10.1088/1755-1315/882/1/012012. CC BY 3.0.
[2] Chernonozhkin, S.M., González de Vega, C., Artemieva, N. et al. Isotopic evolution of planetary crusts by hypervelocity impacts evidenced by Fe in microtektites. Nat Commun 12, 5646 (2021). [ Ссылка ], CC BY 4.0
[3] Andrea Verolino, Susanna F. Jenkins, Kerry Sieh et al. Assessing Volcanic Hazard and Exposure at Obscure Volcanic Fields: A Case Study from the Bolaven Volcanic Field, Laos, 11 October 2021, PREPRINT (Version 1) available at Research Square [[ Ссылка ]]
[4] Verolino, A., Jenkins, S.F., Sieh, K. et al. Assessing volcanic hazard and exposure to lava flows at remote volcanic fields: a case study from the Bolaven Volcanic Field, Laos. J Appl. Volcanol. 11, 6 (2022). [ Ссылка ], CC BY 4.0. This source was used to create the outline of the Bolaven Volcanic Field, age of its eruptions, rate of eruptions, rate of eruptions during a set geologic timespan (such as in the last x years with x being a number of years), type of lava it erupts, and location of the Laos impact crater related to the Australasian tektites.
[5] McCall (2005) Known Tektite Strewn Fields and Finds from McCall.
[6] G. Collins & others, "A numerical assessment of simple airblast models of impact...", Meteoritics & Planetary Science, [ Ссылка ] (2017), CC BY 4.0
0:00 An Unusual Find
0:57 Tektites
2:32 Impact Vector
3:30 Current Tektite Value
3:45 Conclusion
