[meteorite-list] Clay meteorites?

2010-10-15 Thread Robert Verish
After reading this article, I have a question: Do we have to keep an open mind to the possibility of finding a clay meteorite? -- Bob V. http://blogs.nationalgeographic.com/blogs/news/breakingorbit/2010/10/geminids-meteor-shower-driven-by-exploding-clays.html Exploding Clays Drive Geminids Sky

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread Darren Garrison
On Fri, 15 Oct 2010 09:01:27 -0700 (PDT), you wrote: Do we have to keep an open mind to the possibility of finding a clay meteorite? Yep. http://www.google.com/search?num=100hl=ensafe=offbiw=800bih=490q=%22carbonaceous+chondrites%22+clayaq=faqi=aql=oq=gs_rfai=

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread lebofsky
Robert: Do you own a CI or a CM? Then you have a meteorite with clay minerals in it! Larry After reading this article, I have a question: Do we have to keep an open mind to the possibility of finding a clay meteorite? -- Bob V.

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread star-bits
As I recall Tim Swindle (U of AZ) did noble gas studies of Lafayette carbonate clays. I doubt you are going to find a big chunk of clay, it will be a minor portion of the overall stone and may not be decernable by the naked eye. -- Eric Olson 610 W. Moore Rd Tucson AZ 85755

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread lebofsky
Hi Eric: Murchison, as an example, contains, 12% water by weight. All of this in clay minerals. This in not a minor component. Larry As I recall Tim Swindle (U of AZ) did noble gas studies of Lafayette carbonate clays. I doubt you are going to find a big chunk of clay, it will be a minor

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread cdtucson
Bob, This is a great question. I too would love to hear from a meteoriticist about this. I am quite sure that Dr. Campins is an amazing Astronomy professor but does he also study rocks FROM space? Darren pointed out many links to Carbonaceous meteorites that clearly contain clay but again I ask.

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread lebofsky
Hi Carl and Bob: Humberto Campins is in the same department as Dan Britt who has written many papers on both asteroids and meteorites (I think he is the one who perfected the method for measuring meteorite porosities for the work published by Brother Guy). So, yes, Humberto does talk to meteorite

Re: [meteorite-list] Clay meteorites?

2010-10-15 Thread Laurence Garvie
bolidecha...@yahoo.com Subject: [meteorite-list] Clay meteorites? To: Meteorite-list Meteoritecentral meteorite-list@meteoritecentral.com Message-ID: 972507.79052...@web51705.mail.re2.yahoo.com Content-Type: text/plain; charset=us-ascii After reading this article, I have a question: Do