Australian impact cratering record: Updates and recent discoveries 21DEC2021

Australian impact cratering record: Updates and recent discoveries

Quintero, R.R., Cavosie, A.J., Cox, M.A., Miljković, K. and Dugdale, A., 2021. 

Australian impact cratering record: Updates and recent discoveries. 

Large Meteorite Impacts and Planetary Evolution VI, Geological Society of America
Special Paper 550, pp. 41-69
https://www.researchgate.net/publication/352849799_Australian_impact_cratering_record_Updates_and_recent_discoveries

Another paper:

Cavosie, A.J., Quintero, R.R., Radovan, H.A. and Moser, D.E., 2010. 

A record of ancient cataclysm in modern sand: Shock microstructures in detrital minerals from the Vaal
River, Vredefort Dome, South Africa. Bulletin, 122(11-12), pp.1968-1980.
https://www.researchgate.net/publication/249526675_A_record_of_ancient_cataclysm_in_modern_sand_Shock_microstructures_in_detrital_minerals_from_the_Vaal_River_Vredefort_Dome_South_Africa

https://www.researchgate.net/profile/Raiza-Quintero

Yours,

Paul H.

Life-style of 3 Billion-year-old Microbes, Barberton, South Africa, Tidalites

Life-style of 3 Billion-year-old Microbes, Barberton, South Africa, Tidalites

3 billion-year-old fossils show early microbes lived in cavities
Daily News, New Scientist, December 16, 2015
https://www.newscientist.com/article/dn28678-3-billion-year-old-fossils-show-early-microbes-lived-in-cavities/

Three billion-year-old fossils present early microbes lived
in cavities. Sun Journal Observer, December 18, 2015
http://www.sunnewsjournal.com/uncategorized/3-billion-year-old-fossils-show-early-microbes-lived-in-cavities/16816/

The Paper is:

Homann, M., C. Heubeck, T. R.R. Bontognali, A.-S. Bouvier,
L. P. Baumgartner, and A. Airo, 2015, Evidence for cavity-
dwelling microbial life in 3.22 Ga tidal deposits. Geology.
First published online December 4, 2015, doi: 10.1130/G37272.1
http://geology.gsapubs.org/content/early/2015/12/04/G37272.1.abstract

A related paper is:

Homann, M., C. Heubeck, A. Airo, and M. M. Tice, 2015,
2015, Morphological adaptations of 3.22 Ga-old tufted
microbial mats to Archean coastal habitats (Moodies
Group, Barberton Greenstone Belt, South Africa).
Precambrian Research, v. 266,,p. 47–64,
doi:10.1016/j.precamres.2015.04.018.
http://www.sciencedirect.com/science/article/pii/S0301926815001308

Yours,

Paul H.

New Species of Ancient Human Discovered In South Africa

New Species of Ancient Human Discovered In South Africa

The Atlantic has a great article about how these fossils
were discovered and excavated. It is:

6 Tiny Cavers, 15 Odd Skeletons, and 1 Amazing New
Species of Ancient Human. (The inside story behind a
spectacular new hominin find.) by Ed Yong, Sept. 10, 2015
http://www.theatlantic.com/health/archive/2015/09/homo-naledi-rising-star-cave-hominin/404362/

The paper is:

Berger, L. E., J. Hawks, D. J. de Ruiter, and many others, 2015,
Homo naledi, a new species of the genus Homo from the Dinaledi
Chamber, South Africa. eLife. vol. 4, e09560. DOI: 10.7554/eLife.09560
Abstract at http://elifesciences.org/content/4/e09561
PDF file at http://elifesciences.org/content/elife/4/e09560.full.pdf

Yours,

Paul H.

Meteorite Fragment Found in Morokweng Crater Impact Melt

Paul bristolia at yahoo.com
Wed May 10 17:23:59 EDT 2006

Maier, W. D., M. A. G. Andreoli, I. McDonald, M. D. Higgins, A. J. Boyce, A.
Shukolyukov, G. W. Lugmair, L. D. Ashwal, P. Graser, E. M. Ripley, and R. J.
Hart, 2006, Discovery of a 25-cm asteroid clast in the giant Morokweng
impact crater, South Africa. Nature. vol. 441, no. 4751, pp. 203-206.

http://www.nature.com/nature/journal/v441/n7090/abs/nature04751.html

Fragment of an LL6 chondrite breccia found impact melt of 70 km
diameter crater in South Africa.

Information about the Morokweng Impact Crater can be found at:

http://www.unb.ca/passc/ImpactDatabase/images/morokweng.htm