[meteorite-list] Extra-terrestrial Hypatia stone rattles solar system status quo

From: cdtucson at cox.net <*cdtucson_at_meteoritecentral.com*> Date: Fri, 12 Jan 2018 10:00:06 -0500 Message-ID: <20180112100006.EBCQ5.185866.imail_at_fed1rmwml108> · cdtucson_at_meteoritecentral.com

--
Love & Life
---- "Sterling K. Webb via Meteorite-list" <meteorite-list at meteoritecentral.com> wrote: 
> Hi, Jeff, Mattias, List,
> 
> Diamonds are formed deep
> within the Earth's mantle: 
> between 100 km and 200 km
> below the surface at static
> temperatures of 900 - 1300 C. 
> Pressures there are between
> 45 - 60 kilobars.
> 
> A meteor impact, even a
> relatively small one (Meteor
> Crater) can generate 20-25
> kilobars in impact pressures. 
> A 50% increase in veocity
> would boost those impact
> temperatures and pressures
> to diamond-forming levels.
> 
> If it was an iron meteorite
> with carbon inclusions...
> 
> Little diamonds...
> 
> See: Meteor Impact on Solid
> Surfaces, by E. J. Opik:
> http://adsabs.harvard.edu/full/1958IrAJ....5...14O
> 
> So, don't just drop the lumps
> of coal; throw them down... 
> really hard. And it wouldn't
> hurt to give them a good
> squeeze before you do!
> 
> Another good reference on
> the effect of impact pressures
> and temperatures can be found
> here:
> http://theconversation.com/meteorite-impact-turns-silica-into-stishovite-in-
> a-billionth-of-a-second-48946
> 
> Diamonds and craters go together.
> 
> Russia's largest diamond mine
> IS a crater: "The world's largest
> known diamond deposit was
> formed by a massive asteroid
> impact," they say:
> 
> "Diamonds Beneath the Popigai
> Crater -- Northern Russia:"
> https://geology.com/articles/popigai-crater-diamonds/
> 
> Poipigai is the seventh largest
> crater on Earth, and the world's
> largest known diamond deposit.
> It is 100 kilometers wide, with
> a rim of deformed rock up to 20
> kilometers wide. 
> 
> It was formed by the impact of
> a massive asteroid of 5 or 6 km. 
> The biggest diamonds there are
> only 2mm in size, the size of the
> carbon flakes they formed from.
> 
> Interestingly, the conditions at
> the impact point were too severe
> to form diamonds! "The diamonds
> found today were probably formed
> in a thin zone of rock located
> about 12 to 13 kilometers out
> from the point of impact."
> 
> 
> Sterling Webb
> __________________________
> 
> From: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] On
> Behalf Of Mattias B?rmann via Meteorite-list
> Sent: Wednesday, January 10, 2018 10:39 AM
> To: Jeff Kuyken; Gmail; Tommy; Met-List
> Subject: Re: [meteorite-list] Extra-terrestrial Hypatia stone rattles solar
> system status quo
> 
> Sale of lumps of coal suspended pending further notice ; -)
> 
> Am 10.01.2018 um 11:10 schrieb Jeff Kuyken via Meteorite-list:
> 
> 		Hmmm... diamonds formed from shock with the Earth's
> atmosphere or ground? Really? Can't say I'm convinced but happy to be proven
> wrong. Although if I'm wrong I'm climbing up a tree and going to start
> dropping lumps of coal... ;)
> 
> 	Cheers,
> 
> 	Jeff Kuyken
> 	Meteorites Australia
> 	www.meteorites.com.au
> 	IMCA #3085
> 	www.imca.cc
> 	_____________________________
> 	From: Gmail via Meteorite-list <meteorite-list at meteoritecentral.com>
> <mailto:meteorite-list at meteoritecentral.com> 
> 	Sent: Wednesday, January 10, 2018 11:55 am
> 	Subject: Re: [meteorite-list] Extra-terrestrial Hypatia stone
> rattles solar system status quo
> 	To: Tommy <tommy58 at hvc.rr.com> <mailto:tommy58 at hvc.rr.com> ,
> Met-List <meteorite-list at meteoritecentral.com>
> <mailto:meteorite-list at meteoritecentral.com> 
> 	
> 	
> 	Seems strange that it has not been classified or published in the
> MetBull which makes me question any of the findings. If I understand
> correctly, meteoriticists/researchers cannot publish papers until the
> meteorite has been published in the MetBull.
> 	
> 	Mendy Ouzillou
> 	
> 	On Jan 9, 2018, at 6:28 PM, Tommy via Meteorite-list
> <meteorite-list at meteoritecentral.com>
> <mailto:meteorite-list at meteoritecentral.com>  wrote:
> 	
> 	Have any of you folks heard about this and if so what are your
> thoughts?
> 	
> 	Regards!
> 	
> 	Tom
> 	
> 	
> 	https://www.sciencedaily.com/releases/2018/01/180109112437.htm
> 
> 
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