[meteorite-list] Rose City H5 Chondrite Auction Questioning/Picture
From: Mark Fox <unclefireballmtf_at_meteoritecentral.com>
Date: Thu Apr 22 10:02:30 2004 Message-ID: <20020318184309.71962.qmail_at_web14906.mail.yahoo.com> March 18, 2002 Greetings Meteorite Enthusiasts! Long time no type, I must agree! Since the advent of Lent, I decided to cut back on using the computer except for work and special matters, which excludes Sundays, of course. But now, someone has opened up an interesting discussion concerning one of my favorite meteorites --- Rose City. Since I am still intently searching the area in my county (Newaygo) for a Michigan meteorite, it so happens that I like to learn everything I can about the fascinating specimens and rumors of meteorites that have been found in the state. This has boiled down in a way to include keeping track of such meteorites that are being offered for sale. Tom, or his ebay User ID: topaz.mineral.expl is the only person I have so far come across that ever sells Michigan meteorites on ebay, which according to his auctions, is also the only source I know of for the rare Rose City H5 chondrite (fall, 1921), Grand Rapids IRANOM octahedrite (find, 1883), and Seneca Township fine octahedrite (find, 1923). As of recent, it appears that he has put up a lot of Michigan meteorite pieces for bid, including the big chunk (28.7g) of what he calls Rose City; the cause of current questioning. Despite that, that particular auction evidently caused some hearty bidding and ended a little while ago. When I first started visiting his auctions, I was dumfounded that a person was actually selling Michigan meteorites, of which I am gathering, are not very commonly offered for sale! This prompted me to finally ask him where he was able to get such a big and handsome piece of Rose City and Allegan, which at the time referred to large sized samples from both falls. He e-mailed me back (Thursday, September 20, 2001) and writes in part of the letter: "This is the third or fourth piece of the Rose City that I have had for sale over the past several years, although this is by far the best. They are all from my personal collection acquired over the past 35 years (I have been a mineral dealer since 1977). On ebay I have offered specimens of almost all of the Michigan falls and finds." In any event, I must agree with the questions raised about the pictures he has displayed in his ebay auctions. They do seem to contrast noticeably with the first picture I had glanced of Rose City, the beautiful one pictured on the Arizona State University web site. The link to the picture is at: http://meteorites.asu.edu/rose.htm Perhaps this distinct difference is due to what Bern doubtfully inferred at the end of his e-mail about the subject --- a light-colored clast. Of course, one would more likely agree with Bern's other conclusions, and dismiss the clast theory altogether, since all the other Rose City pieces I have seen by Tom exhibit (at least mostly if not entirely) the same texture and color as his most recent piece. Still, don't always cling to what seems to be the obvious or "easy" conclusion and be carried away with one's extrapolations, of which even I am at fault with (and not to say that Bern was). In this case, such a hasty conclusion would translate into the 28.7 gram chunk of rock labeled as Rose City as not being one in the same when shown with definitive Rose City material. At this point negative extrapolation would take over. Now with that said, here is a theory (expanded from Bern's) that should be given some thought. From the pieces professionally examined, Rose City is looked upon as one highly shocked chunk of space rock, with an S6 designation! Perhaps this meteorite, unbeknownst to the majority of meteorite enthusiasts due in part to its rarity, is composed of two distinct meteorite materials cemented together, so much so that perhaps a better term needs to be used--- a mesoclastic-breccia if you will. Therefore, possibly only certain section(s) of Rose City were ever sampled for sale and/or for study which involved revealing the brutally brecciated black matrix we commonly associate with Rose City, and only a small percentage of the lighter "peaceful" matrix that went unnoticed. In conclusion, I do not detect deceit by Tom, but question his Rose City picture like a cautious potential bidder should. In his new Seneca Township ebay auction which I believe is still going on, it should be noted that he has taken the effort to correct a mistake regarding the location where the iron was found. If you would like to response to me privately or have a question, etc., your best bet for an answer is to use this e-mail for the next few weeks: marktfoxvdb_at_yahoo.com Please forgive me for errors if any are present in this letter. Long strewn fields! Mark Fox Newaygo, MI USA __________________________________________________ Do You Yahoo!? Yahoo! Sports - live college hoops coverage http://sports.yahoo.com/ Received on Mon 18 Mar 2002 01:43:09 PM PST |
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