Random Tusks

Breaking: PNAS paper finds no diamonds; Claims YD team mistaken in identification

Impact Hypothesis Loses Its Sparkle: Shock-Synthesized Diamonds Said to Prove Catastrophic Impact Killed Off N. American Megafauna Can’t Be Found enlarge Tyrone Daulton is pictured with the transmission electron microscrope he used to search in vain for shock-synthesized nanodiamonds, evidence that a extraterrestrial object such as a meteorite killed off North American megafauna. (Credit…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question

Random Tusks

Clayton's Craters and other cool stuff in the Sahara

I haven’t blogged in a few days while investigating the odd features of the Egyptian-Libyan Sahara.  I first started poking around this subject following the announcement of the fresh and appetizing Kamil Crater in the central-western Egyptian Sahara.  This got me to looking into the subject of other purported craters in the Sahara.  I had no idea that a controversy has brewed for…
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Charles Appleton Day

2021 Tall el-Hammam study makes final Jeopardy! question