[meteorite-list] Cold hunting
From: dfpens_at_comcast.net <dfpens_at_meteoritecentral.com>
Date: Thu Apr 22 10:29:55 2004 Message-ID: <20030915013655.3A70353843_at_pairlist.net> Rob and All: I was hoping to elicit some discussion on whether there was some chance of finding any of the Chicora pieces that I speculated may still be around. I didn't mean to get so far off the thread of "cold hunting". I thought some of the more knowledgeable list members might provide some advice. Perhaps this is a topic for another thread. Best Wishes, Dave > Hi All, > > On the subject of met hunting, Dave P. replied to my remark: > > Matson: "If you want to reduce search time per (cold) meteorite > find (i.e. non-strewnfield), the #1 factor is "survival time" -- > you must maximize it any way you can: > > 1. Low deposition rate -- ideally a ~negative~ deposition rate: you'd > prefer a surface that is "deflating" > > 2. Low annual precipitation > > 3. Minimal human presence" > > ----- > with: > > > There is yet another way. Search a known strewn field - not one > > that has been picked over but one that has not. > > Searching a known strewn field (picked over or not) will naturally > produce meteorites faster than any non-strewn field. (The discussion > thread was specific to cold hunting.) Certainly if anyone wanted to > find a meteorite as quickly as possible, I would direct them to > Holbrook, Gold Basin, Park Forest, Allende etc. as no large strewn > field is ever completely searched out, and you have the further > advantage of knowing exactly what you're looking for. (Caveat on > Gold Basin: this area has been searched for a long time by a very > large number of people, so the rate of new GB finds is perhaps > approaching the natural "background" rate of any good desert > locale. Just look at the number of non-GB finds that have been > made.) > > On the same subject, Zelimir Gabelica wrote: > > > I believe Mark is perfectly right by saying that most meteorites > > are lying below the soil surface. I did not make any compiling > > but I guess if you go through all the Met. Bull's reporting > > meteorite FINDS, I am pretty sure that about (at least ?) > > half of them were found through plowing some field. > > You're forgetting about NWA, and more importantly Antarctica. The > number of buried meteorite finds is an insignificant fraction > compared to those found on the surface. > > Cheers, > Rob > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://www.pairlist.net/mailman/listinfo/meteorite-list Received on Sun 14 Sep 2003 09:36:51 PM PDT |
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