[meteorite-list] Serious question?
From: Mark Ferguson <mafer_at_meteoritecentral.com>
Date: Thu Apr 22 10:29:56 2004 Message-ID: <03e201c37d52$42ac8a60$6701a8c0_at_vs.shawcable.net> This is a multi-part message in MIME format. ------=_NextPart_000_03D4_01C37D17.838BC180 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I think the list has taken this thread well and answered a lot of the = questions. It is interesting how terminology can be misunderstood, such = as oxidation, its just not only rust! But,I think the most perplexing question has that of classifications. = Since the researchers are somewhat divided as of yet on some classes as = to where they should be placed or categorized, it makes for a lively = topic. And I'm sure as equipment becomes more refined and techniques to = define minerals become larger in numbers, those classes will become even = more a subject of debate. Right now we have isotopes on one side and = physical mineralogy on the other and often they clash, or so it appears = to me, and one is usually favored over the other for a definitive ruling = on where a meteorite falls within a class. The other measure used is = metal content. And this puzzles me somewhat as metals are a later = forming element ( even though I've heard that some physicists consider = any element other than Hydrogen or Helium a metal). And require some = fractionation to occur before they are evolved out of solution. That it = takes a sun to form before the heavier elements are even formed. This = brings up the Aluminum isotopes used for initial heat of early = planitismals. When is it formed and how is it formed so early on? And = why is only the Aluminum isotopes ( Al26 I think) a source of internal = heat mentioned. This is one of the things I haven't read about ( having = only read Dodd, Wasson, Sears and one other that I just can't remember = how his name is spelled but its like Ramdhor or something about opaque = minerals in meteorites) and maybe that's what I need to read, so if = someone on list knows of a book which covers the formation of basic = elements a little better in how and when they formed early on, I catch = up on the big picture.=20 Have enjoyed these topics very much and thanks to all for contributing Mark =20 ----- Original Message -----=20 From: Howard Wu=20 To: Mark Ferguson=20 Sent: Wednesday, September 17, 2003 11:47 AM Subject: Re: [meteorite-list] Serious question? Thanks Mark, I guess my point was it a big planet. Mars and the moon aren't puny = either. Lots of different mineralogies if you could get a closer look.=20 So lets go... Howard Wu Mark Ferguson <mafer_at_imagineopals.com> wrote: Different rock types Howard, Yosemite is granite batholith, Zion is = sandstone ----- Original Message -----=20 From: Howard Wu=20 To: mark ford ; meteorite-list_at_meteoritecentral.com=20 Sent: Tuesday, September 16, 2003 11:53 AM Subject: RE: [meteorite-list] Serious question? When I go into Yosemite the cliffs are grey. When I am in Zion = they are red. Go figure?=20 Howard Wu mark ford <markf_at_ssl.gb.com> wrote: On a similar note ... why is the Lunar surface Grey and Mars red = if they are both resurfaced by meteorites, likewise wouldn't we = expect other rocky bodies/planets to be red too especially those with a = thin atmosphere? Surley the only process that would turn meteorite = dust into red soil is oxygen or WATER ?? Any thoughts? Mark Ford. -----Original Message----- From: Tom aka James Knudson [mailto:knudson911_at_frontiernet.net]=20 Sent: 16 September 2003 05:56 To: meteorite-list Subject: [meteorite-list] Serious question? Hello List, Scientists are now thinking that mars is red from = meteorite dust, right? They also say tons of meteorite dust are landing on = earth, right? I was wondering if the black iron stuff we get on our magnets = when we drag them through the dirt could me meteorite related? Thanks, Tom Peregrineflier <>< The proudest member of the IMCA 6168 ______________________________________________ Meteorite-list mailing list Meteorite-list_at_meteoritecentral.com http://www.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ Meteorite-list mailing list Meteorite-list_at_meteoritecentral.com http://www.pairlist.net/mailman/listinfo/meteorite-list -------------------------------------------------------------------------= - Want to chat instantly with your online friends? Get the FREE = Yahoo! Messenger -------------------------------------------------------------------------= ----- Want to chat instantly with your online friends? Get the FREE Yahoo! = Messenger ------=_NextPart_000_03D4_01C37D17.838BC180 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2600.0" name=3DGENERATOR></HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2> I think the list has taken this = thread well=20 and answered a lot of the questions. It is interesting how terminology = can be=20 misunderstood, such as oxidation, its just not only rust!</FONT></DIV> <DIV><FONT face=3DArial size=3D2>But,I think the most perplexing = question has that=20 of classifications. Since the researchers are somewhat divided as of yet = on some=20 classes as to where they should be placed or categorized, it makes for a = lively=20 topic. And I'm sure as equipment becomes more refined and techniques to = define=20 minerals become larger in numbers, those classes will become even more a = subject=20 of debate. Right now we have isotopes on one side and physical = mineralogy=20 on the other and often they clash, or so it appears to me, and one is = usually=20 favored over the other for a definitive ruling on where a meteorite = falls within=20 a class. The other measure used is metal content. And this puzzles me = somewhat=20 as metals are a later forming element ( even though I've heard that some = physicists consider any element other than Hydrogen or Helium a metal). = And=20 require some fractionation to occur before they are evolved out of = solution.=20 That it takes a sun to form before the heavier elements are even formed. = This=20 brings up the Aluminum isotopes used for initial heat of early = planitismals.=20 When is it formed and how is it formed so early on? And why is only the = Aluminum=20 isotopes ( Al26 I think) a source of internal heat mentioned. This is = one of the=20 things I haven't read about ( having only read Dodd, Wasson, Sears and = one other=20 that I just can't remember how his name is spelled but its like Ramdhor = or=20 something about opaque minerals in meteorites) and maybe that's what I = need to=20 read, so if someone on list knows of a book which covers the formation = of basic=20 elements a little better in how and when they formed early on, I catch = up on the=20 big picture. </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Have enjoyed these topics very much and = thanks to=20 all for contributing</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Mark</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV> </DIV> <DIV> </DIV> <DIV> </DIV> <BLOCKQUOTE=20 style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A title=3Dfreewu2000_at_yahoo.com = href=3D"mailto:freewu2000_at_yahoo.com">Howard Wu</A>=20 </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = title=3Dmafer_at_imagineopals.com=20 href=3D"mailto:mafer_at_imagineopals.com">Mark Ferguson</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Wednesday, September 17, = 2003 11:47=20 AM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [meteorite-list] = Serious=20 question?</DIV> <DIV><BR></DIV> <DIV>Thanks Mark,</DIV> <DIV>I guess my point was it a big planet. Mars and the moon aren't = puny=20 either. Lots of different mineralogies if you could get a closer look. = </DIV> <DIV> </DIV> <DIV>So lets go...</DIV> <DIV> </DIV> <DIV>Howard Wu<BR><BR><B><I>Mark Ferguson <<A=20 = href=3D"mailto:mafer_at_imagineopals.com">mafer@imagineopals.com</A>></I>= </B>=20 wrote:</DIV> <BLOCKQUOTE class=3Dreplbq=20 style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px = solid"> <META content=3D"MSHTML 6.00.2600.0" name=3DGENERATOR> <STYLE></STYLE> <DIV><FONT face=3DArial size=3D2>Different rock types Howard, = Yosemite is=20 granite batholith, Zion is sandstone</FONT></DIV> <BLOCKQUOTE=20 style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style=3D"FONT: 10pt arial">----- Original Message ----- = </DIV> <DIV=20 style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B>=20 <A title=3Dfreewu2000_at_yahoo.com = href=3D"mailto:freewu2000_at_yahoo.com">Howard=20 Wu</A> </DIV> <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A = title=3Dmarkf_at_ssl.gb.com=20 href=3D"mailto:markf_at_ssl.gb.com">mark ford</A> ; <A=20 title=3Dmeteorite-list_at_meteoritecentral.com=20 = href=3D"mailto:meteorite-list_at_meteoritecentral.com">meteorite-list@meteor= itecentral.com</A>=20 </DIV> <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, September = 16, 2003=20 11:53 AM</DIV> <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> RE: = [meteorite-list] Serious=20 question?</DIV> <DIV><BR></DIV> <DIV>When I go into Yosemite the cliffs are grey. When I am in=20 Zion they are red. Go figure? </DIV> <DIV> </DIV> <DIV>Howard Wu<BR><BR><B><I>mark ford <<A=20 href=3D"mailto:markf_at_ssl.gb.com">markf@ssl.gb.com</A>></I></B>=20 wrote:</DIV> <BLOCKQUOTE class=3Dreplbq=20 style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff = 2px solid"><BR><BR>On=20 a similar note ... why is the Lunar surface Grey and Mars red = if<BR>they=20 are both resurfaced by meteorites, likewise wouldn't we = expect<BR>other=20 rocky bodies/planets to be red too especially those with a=20 thin<BR>atmosphere? Surley the only process that would turn = meteorite=20 dust into<BR>red soil is oxygen or WATER ??<BR><BR>Any=20 thoughts?<BR><BR>Mark Ford.<BR><BR><BR>-----Original=20 Message-----<BR>From: Tom aka James Knudson=20 [mailto:knudson911_at_frontiernet.net] <BR>Sent: 16 September 2003=20 05:56<BR>To: meteorite-list<BR>Subject: [meteorite-list] Serious = question?<BR><BR>Hello List, Scientists are now thinking that = mars is=20 red from meteorite<BR>dust, right? They also say tons of = meteorite dust=20 are landing on earth,<BR>right?<BR>I was wondering if the black = iron=20 stuff we get on our magnets when we<BR>drag them through the = dirt could=20 me meteorite related?<BR>Thanks, Tom<BR>Peregrineflier=20 <><<BR>The proudest member of the IMCA=20 = 6168<BR><BR><BR><BR>______________________________________________<BR>Met= eorite-list=20 mailing=20 = list<BR>Meteorite-list_at_meteoritecentral.com<BR>http://www.pairlist.net/ma= ilman/listinfo/meteorite-list<BR><BR>____________________________________= __________<BR>Meteorite-list=20 mailing=20 = list<BR>Meteorite-list_at_meteoritecentral.com<BR>http://www.pairlist.net/ma= ilman/listinfo/meteorite-list</BLOCKQUOTE> <P> <HR SIZE=3D1> <FONT face=3DArial size=3D2>Want to chat instantly with your = online=20 friends? <A=20 = href=3D"http://uk.rd.yahoo.com/mail/tagline_messenger/*http://uk.messenge= r.yahoo.com/"><B>Get=20 the FREE Yahoo! Messenger</B></A></FONT></BLOCKQUOTE></BLOCKQUOTE> <P> <HR SIZE=3D1> <FONT face=3DArial size=3D2>Want to chat instantly with your online=20 friends? <A=20 = href=3D"http://uk.rd.yahoo.com/mail/tagline_messenger/*http://uk.messenge= r.yahoo.com/"><B>Get=20 the FREE Yahoo! Messenger</B></A></FONT></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_03D4_01C37D17.838BC180-- Received on Wed 17 Sep 2003 03:30:43 PM PDT |
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