[meteorite-list] organics in Muchison.....
From: dave carothers <carothersdl_at_meteoritecentral.com>
Date: Wed, 17 Feb 2010 23:14:25 -0500 Message-ID: <5FFA36B7663342A2B225D275AAE24283_at_your291etg47cr> Wow!!! Everyone's getting high snorting Murchison. Before you know it, the Feds will make it a crime. Dave ----- Original Message ----- From: <ensoramanda at ntlworld.com> To: "Gary Fujihara" <fujmon at mac.com>; "Galactic Stone & Ironworks" <meteoritemike at gmail.com> Cc: <meteorite-list at meteoritecentral.com>; "Greg Redfern" <gredfern at earthlink.net> Sent: Wednesday, February 17, 2010 7:38 AM Subject: Re: [meteorite-list] organics in Muchison..... > Hi All, > > Really excited by all this Murchison talk and new science....by some > strange luck I 'invested' in a 50g lump before Tucson that should arrive > in the post (fingers crossed) within the week...can't wait for a sniff! > > Graham E, UK > > > ---- Galactic Stone & Ironworks <meteoritemike at gmail.com> wrote: >> Hi Folks! >> >> So it's true about the aroma of Murchison? I wish I had a piece big >> enough to smell without actually inhaling it. >> >> If I try to sniff my current Murchison, it will fly up my nose. LOL >> >> Best regards, >> >> MikeG >> >> >> >> On 2/16/10, Gary Fujihara <fujmon at mac.com> wrote: >> > Ha ha! I concur, and must confess that I too love the smell of >> > Murchison in the morning. >> > >> > Sent from Gary's iPhone >> > >> > On Feb 16, 2010, at 4:31 PM, Greg Redfern <gredfern at earthlink.net> >> > wrote: >> > >> >> My pristine Jim Strope 80g Murchison is kept under a bell jar. I >> >> LOVE the smell of all the aromatic compounds. Smells like a fine >> >> cognac. >> >> >> >> This meteorite is a joy to behold both visually and by inhaling ;-) >> >> >> >> Greg >> >> >> >> >> >> -----Original Message----- >> >>> From: Greg Catterton <star_wars_collector at yahoo.com> >> >>> Sent: Feb 16, 2010 6:01 PM >> >>> To: meteorite-list at meteoritecentral.com >> >>> Subject: Re: [meteorite-list] organics in Muchison..... >> >>> >> >>> I have to agree, this has been an awesome discussion. >> >>> Murchison is one of my favorite samples in my collection. >> >>> When information comes out like this, it always adds something even >> >>> more special to it. >> >>> >> >>> Not an ad for me but, if anyone following this does not currently >> >>> have a sample, Gary has some really nice samples at very good >> >>> prices on ebay: >> >>> http://search.ebay.com/_W0QQsassZfujmonQQhtZ-1 >> >>> >> >>> Its a must have for collectors, and this recent news just goes to >> >>> show that the study of this is ongoing. >> >>> >> >>> Any other links to information on this meteorite would be great! >> >>> >> >>> Greg Catterton >> >>> www.wanderingstarmeteorites.com >> >>> IMCA member 4682 >> >>> On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites >> >>> >> >>> >> >>> --- On Tue, 2/16/10, Matthias B?rmann <majbaermann at web.de> wrote: >> >>> >> >>>> From: Matthias B?rmann <majbaermann at web.de> >> >>>> Subject: Re: [meteorite-list] organics in Muchison..... >> >>>> To: Zelimir.Gabelica at uha.fr, meteorite-list at meteoritecentral.com >> >>>> Date: Tuesday, February 16, 2010, 4:39 PM >> >>>> Hello Zelimir & Murchisionados, >> >>>> >> >>>> highly interesting indeed: thanks so much for informing us >> >>>> about your and your colleagues scientific work and giving us >> >>>> so the feeling of being privileged enough to sit in the very >> >>>> first row. >> >>>> >> >>>> If I understand your approach correct, your non-targeted >> >>>> focus of investigation leads directly to a highly diverse >> >>>> pattern. >> >>>> >> >>>> The last sentence of the abstract reads: "This molecular >> >>>> complexity, which provides hints on heteroatoms >> >>>> chronological assembly, suggests that the extraterrestrial >> >>>> chemodiversity is high compared to terrestrial relevant >> >>>> biological- and biogeochemical-driven chemical space." The >> >>>> high level of extraterrestrial chemodiversity vs. the less >> >>>> diverse terrestrial "chemical space" - could that mean that >> >>>> development of life could depend on a kind of reduction of >> >>>> diversity? Caused by selection (= "targetting"?)? Life would >> >>>> be essentially linked to a process of picking up elements >> >>>> out of the construction kit? But than it begins to play by >> >>>> combining them? Wouldn't that point to the necessity to make >> >>>> a strong distinction between diversity and complexity? Could >> >>>> that mean that the complexity of terrestrial biological and >> >>>> biochemical "space" is a result of reduction of (initial) >> >>>> diversity? >> >>>> >> >>>> Perhaps six (crazy) questions too much from a non-natural >> >>>> scientist ... >> >>>> >> >>>> Best regards, >> >>>> >> >>>> Matthias B. >> >>>> >> >>>> >> >>>> ----- Original Message ----- From: <Zelimir.Gabelica at uha.fr> >> >>>> To: <meteorite-list at meteoritecentral.com> >> >>>> Sent: Tuesday, February 16, 2010 9:58 PM >> >>>> Subject: [meteorite-list] organics in Muchison..... >> >>>> >> >>>> >> >>>> >> >>>> Darren, list, >> >>>> >> >>>> >> >>>> The media info Darren is speaking about refers to the >> >>>> research we (a >> >>>> group of scientists) are being conducting since several >> >>>> months on >> >>>> Murchison, namely a non targeted analysis of its >> >>>> extraterrestrial >> >>>> organic contents. >> >>>> >> >>>> In a post I sent by end of last September, I had notified >> >>>> the list of >> >>>> that work by just mentioning the keywords "Murchison" and >> >>>> "organic >> >>>> contant". >> >>>> >> >>>> The paper, that was submitted for publication in due time >> >>>> (right in >> >>>> time for the 40th anniversary of Murchison fall), was just >> >>>> anounced >> >>>> released out of press a couple of hours ago. >> >>>> >> >>>> Here is the reference: PNAS, 107 (7), 2763 -2768 (2010). >> >>>> >> >>>> Abstract can be read here: >> >>>> >> >>>> http://www.pnas.org/content/107/7/2763 >> >>>> >> >>>> >> >>>> More discussions are available through various media press >> >>>> comments >> >>>> (easily found by Googling with keys: "Murchison, Phillippe >> >>>> Schmitt-Kopplin"). >> >>>> >> >>>> May I just insist that the incredible number of molecules >> >>>> we had found >> >>>> originated from the fact that the screening was not >> >>>> targeted. >> >>>> >> >>>> Also we never claimed that any of the hundreds of thousands >> >>>> of >> >>>> molecules we detected had a pre-biotic origin, something >> >>>> that seems to >> >>>> provoke debate in the media. >> >>>> Our work just shows there's no shortage of molecules on >> >>>> meteorites in >> >>>> general, and in Murchison, taken as reference in >> >>>> particular, that >> >>>> origin-of-life researchers could investigate... >> >>>> >> >>>> Those familtar with Ensisheim shows might remember that >> >>>> Philippe >> >>>> (Phil) was our new enthroned Ensisheim meteorite guardian >> >>>> in 2008. >> >>>> >> >>>> Phil is the head of the lab in Neuherberg (Munich) where >> >>>> all the >> >>>> measurements (combined FTICR-MS,NMR & GC) were run. >> >>>> We all, co-authors, are deeply indebted to him for his >> >>>> discern and >> >>>> faith in initiating that challenging research and for his >> >>>> expertise >> >>>> that caused its success beyond any of our initial >> >>>> expectations. >> >>>> >> >>>> So far we have recorded tons of other data on "many more" >> >>>> other >> >>>> meteorites. More exciting and weird results are coming >> >>>> continuously; >> >>>> thay will be published in the months to come. >> >>>> >> >>>> My best wishes, >> >>>> >> >>>> Zelimir >> >>>> >> >>>> >> >>>> Shawn Alan <photophlow at yahoo.com> >> >>>> a ??crit? : >> >>>> >> >>>>> Darren and List >> >>>>> >> >>>>> Thank you for the read up on Murchison meteorite on >> >>>> how scientist have identified over 14,000 compounds >> >>>> and counting. While we are on the topic of Murchison >> >>>> meteorite, I came across an article on line that >> >>>> points out these interesting facts and finds on the >> >>>> Murchison as quoted from the article as follows.... >> >>>>> "Presolar grains are the oldest materials in the solar >> >>>> system," says Philipp Heck of the University of Chicago. >> >>>>> "The ages of the grains clearly indicate that they are >> >>>> older than the solar system." >> >>>>> But just how old? >> >>>>> Heck and his colleagues isolated 22 grains from the >> >>>> Murchison meteorite, which is well-known for the >> >>>>> organic material it contains, and measured how long >> >>>> the grains spent in interstellar space before winding >> >>>> up >> >>>>> in our nascent solar system. The implied grain ages, >> >>>> reported in a recent paper of the Astrophysical >> >>>> Journal, >> >>>>> appear to support a hypothesis that our solar system >> >>>> formed after a smaller satellite galaxy crashed into the >> >>>>> Milky Way around 6 billion years ago."...... >> >>>>> >> >>>>> "From the isotope abundances, the researchers estimate >> >>>> that the majority of grains spent between 3 >> >>>>> and 200 million years in interstellar space before >> >>>> falling into our molecular cloud some 4.6 billion >> >>>>> years ago." >> >>>>> >> >>>>> >> >>>>> Here is the link to the article I found on line. >> >>>>> http://www.astrobio.net/pdffiles/news_3202.pdf >> >>>>> >> >>>>> and if your up for a read, here is an article on the >> >>>> age of presolar SiC grains found in Murchison >> >>>> meteorite. >> >>>>> >> >>>>> http://presolar.wustl.edu/ref/Gyngard09b.pdf >> >>>>> >> >>>>> Enjoy >> >>>>> Shawn Alan >> >>>>> >> >>>>> >> >>>>> >> >>>>> [meteorite-list] Murchison-- chock full o' stuffDarren >> >>>> Garrison cynapse at charter.net >> >>>>> Tue Feb 16 00:25:30 EST 2010 >> >>>>> >> >>>>> >> >>>>> Previous message: [meteorite-list] West Texas >> >>>> Meteorite Hunt - February 15, 2009 >> >>>>> Next message: [meteorite-list] West Texas Meteorite >> >>>> Hunt - February 15, 2009 >> >>>>> Messages sorted by: [ date ] [ thread ] [ subject ] [ >> >>>> author ] >> >>>>> >> >>>>> http://news.discovery.com/space/meteorite-crammed-with-millions-of-organic-compounds.html >> >>>>> >> >>>>> Meteorite Crammed with 'Millions' of Organic >> >>>> Compounds >> >>>>> >> >>>>> By Ian O'Neill | Mon Feb 15, 2010 04:52 PM ET >> >>>>> >> >>>>> A meteorite that hit the town of Murchison, Australia, >> >>>> hasn't quit giving up its >> >>>>> secrets. >> >>>>> >> >>>>> The Murchison meteorite is one of the most studied >> >>>> space rocks because many >> >>>>> pieces were recovered after it was seen breaking up as >> >>>> it fell through the >> >>>>> atmosphere in 1969. Approximately 100 kg of the >> >>>> carbonaceous chondrite was >> >>>>> recovered. >> >>>>> >> >>>>> Carbonaceous chondrites are extremely important to >> >>>> scientists as they were >> >>>>> formed from material that existed in the solar >> >>>> system's planet-forming disk of >> >>>>> gas and dust. They are, quite literally, time capsules >> >>>> holding onto a 4 billion >> >>>>> year old record of the birth of our solar system. >> >>>>> >> >>>>> In this case, the Murchison meteorite has given us >> >>>> another clue as to the >> >>>>> abundance of organic chemicals that existed before the >> >>>> Earth had formed. In >> >>>>> fact, this particular meteorite may have originated >> >>>> from material older than our >> >>>>> sun. >> >>>>> >> >>>>> "We are really excited. When I first studied it and >> >>>> saw the complexity I was so >> >>>>> amazed," said Dr Phillipe Schmitt-Kopplin, of the >> >>>> Institute for Ecological >> >>>>> Chemistry in Neuherberg, Germany. >> >>>>> >> >>>>> "Meteorites are like some kind of fossil. When you try >> >>>> to understand them you >> >>>>> are looking back in time." >> >>>>> >> >>>>> This new research made use of high resolution >> >>>> spectroscopic tools to identify >> >>>>> the various compounds inside. Although this meteorite >> >>>> has provided scientists >> >>>>> with vast amounts of information about specific >> >>>> carbon-based organics before, >> >>>>> this was the first non-targeted study. In other words, >> >>>> the researchers weren't >> >>>>> tracking down just one type of chemical, they did a >> >>>> broad analysis for all the >> >>>>> chemicals it might contain. >> >>>>> >> >>>>> And what they found came as a shock, it appears that >> >>>> the primordial solar system >> >>>>> probably had a higher chemical diversity than >> >>>> present-day Earth. >> >>>>> >> >>>>> In this study, 14,000 specific compounds including 70 >> >>>> amino acids were >> >>>>> identified. But this number appears to be the tip of >> >>>> the iceberg; the meteorite >> >>>>> probably contains millions of different organic >> >>>> compounds. More detailed >> >>>>> analysis will now be carried out. >> >>>>> >> >>>>> But why is this important? To understand the diversity >> >>>> of organic chemicals that >> >>>>> were floating around a primordial solar system will >> >>>> help us understand how life >> >>>>> may have appeared on Earth. This particular chunk of >> >>>> carbonaceous chondrite >> >>>>> drifted through the gas and dust of the early solar >> >>>> system, collecting all the >> >>>>> basic organic chemistry from around that time, does >> >>>> that mean diverse organic >> >>>>> chemistry is the "norm" for proto-planetary star >> >>>> systems? >> >>>>> >> >>>>> These organic compounds are known to exist on comets, >> >>>> asteroids and other >> >>>>> planetary bodies, so what makes Earth the hothouse of >> >>>> life when everywhere else >> >>>>> seems to be lifeless? >> >>>>> >> >>>>> If organic chemistry is ubiquitous, perhaps planning >> >>>> to "seed" young star >> >>>>> systems with Earth-based life isn't such a good idea. >> >>>> The conditions for life >> >>>>> may not be that rare after all. >> >>>>> >> >>>>> ______________________________________________ >> >>>>> Visit the Archives at >> >>>>> http://www.meteoritecentral.com/mailing-list-archives.html >> >>>>> Meteorite-list mailing list >> >>>>> Meteorite-list at meteoritecentral.com >> >>>>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >>>>> >> >>>> >> >>>> >> >>>> >> >>>> ______________________________________________ >> >>>> Visit the Archives at >> >>>> http://www.meteoritecentral.com/mailing-list-archives.html >> >>>> Meteorite-list mailing list >> >>>> Meteorite-list at meteoritecentral.com >> >>>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >>>> >> >>>> ______________________________________________ >> >>>> Visit the Archives at >> >>>> http://www.meteoritecentral.com/mailing-list-archives.html >> >>>> Meteorite-list mailing list >> >>>> Meteorite-list at meteoritecentral.com >> >>>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >>>> >> >>> >> >>> >> >>> >> >>> ______________________________________________ >> >>> Visit the Archives at >> >>> http://www.meteoritecentral.com/mailing-list-archives.html >> >>> Meteorite-list mailing list >> >>> Meteorite-list at meteoritecentral.com >> >>> http://six.pairlist.net/mailman/listinfo/meteorite-list >> >> >> >> >> >> >> >> ______________________________________________ >> >> Visit the Archives at >> >> http://www.meteoritecentral.com/mailing-list-archives.html >> >> Meteorite-list mailing list >> >> Meteorite-list at meteoritecentral.com >> >> http://six.pairlist.net/mailman/listinfo/meteorite-list >> > ______________________________________________ >> > Visit the Archives at >> > http://www.meteoritecentral.com/mailing-list-archives.html >> > Meteorite-list mailing list >> > Meteorite-list at meteoritecentral.com >> > http://six.pairlist.net/mailman/listinfo/meteorite-list >> > >> >> >> -- >> ------------------------------------------------------------ >> Mike Gilmer >> http://www.galactic-stone.com >> http://www.facebook.com/galacticstone >> ------------------------------------------------------------ >> ______________________________________________ >> Visit the Archives at >> http://www.meteoritecentral.com/mailing-list-archives.html >> Meteorite-list mailing list >> Meteorite-list at meteoritecentral.com >> http://six.pairlist.net/mailman/listinfo/meteorite-list > > ______________________________________________ > Visit the Archives at > http://www.meteoritecentral.com/mailing-list-archives.html > Meteorite-list mailing list > Meteorite-list at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > Received on Wed 17 Feb 2010 11:14:25 PM PST |
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