[meteorite-list] Recent impact craters

2023-07-26 Thread E.P. Grondine via Meteorite-list
Hi everyone -  The recent discussion of meteorites from Earth reminds me -  The impact structures from neither of the Holocene Start Impact Events have been identified yet. We have the 14C production spikes from the gamma radiation of the two impacts, and while we can use the meltwater outflows

Re: [meteorite-list] Show me the Shock

2023-07-26 Thread ALAN RUBIN via Meteorite-list
It would have a cosmic-ray exposure age of 4.4 billion years. No iron meteorite has a CRE age anywhere near that. On Tue, Jul 25, 2023, 1:32 PM Alfredo Petrov via Meteorite-list < meteorite-list@meteoritecentral.com> wrote: > There could be pieces of iron from Earth's core floating around the

[meteorite-list] Meteorite Picture of the Day

2023-07-26 Thread Paul Swartz via Meteorite-list
Wednesday, Jul 26 2023 Meteorite Picture of the Day: Steinbach Contributed by: Anne Black http://www.tucsonmeteorites.com/mpodmain.asp?DD=07/26/2023 __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com