Re: [meteorite-list] Serious question?

2003-09-18 Thread chris sharp
: Charles R. Viau [EMAIL PROTECTED] To: 'Philip R. Burns' [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Thursday, September 18, 2003 10:55 AM Subject: RE: [meteorite-list] Serious question? Thanks, I understand the difference much better in that context. I love this list, where else can you get info like

RE: [meteorite-list] Serious question?

2003-09-18 Thread mark ford
PROTECTED] Subject: Re: [meteorite-list] Serious question? How about a large iron impacting the Northern hemisphere of Mars creating an impact basin now filled by lava and mud. The iron impactor disintegrated and spread iron all over the planet in a fallout cloud and created a layer of iron rich

Re: [meteorite-list] Serious question?

2003-09-18 Thread S. Singletary
At 08:55 PM 9/18/2003 +1000, chris sharp wrote: The iron impactor disintegrated and spread iron all over the planet in a fallout cloud and created a layer of iron rich material on the surface. My knee-jerk reaction to that is to think about the large iron meteorites in our collections. They tend

Re: [meteorite-list] Serious question?

2003-09-18 Thread chris sharp
- Original Message - From: S. Singletary [EMAIL PROTECTED] To: chris sharp [EMAIL PROTECTED]; Charles R. Viau [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Thursday, September 18, 2003 9:23 PM Subject: Re: [meteorite-list] Serious question? At 08:55 PM 9/18/2003 +1000, chris sharp

Re: [meteorite-list] Serious question?

2003-09-18 Thread Tom aka James Knudson
]; Charles R. Viau [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Thursday, September 18, 2003 4:23 AM Subject: Re: [meteorite-list] Serious question? At 08:55 PM 9/18/2003 +1000, chris sharp wrote: The iron impactor disintegrated and spread iron all over the planet in a fallout cloud and created a layer

Re: [meteorite-list] Serious question?

2003-09-18 Thread almitt
Tom aka James Knudson wrote: Hey List, I got it figured out! The large Iron the disintegrated must have came from the same parent body as the Nantan! Thanks, Tom Peregrineflier Rust in Space :-) __ Meteorite-list mailing list [EMAIL

Re: [meteorite-list] Serious question?

2003-09-18 Thread Kevin Fly Hill
Subject: RE: [meteorite-list] Serious question? Chris Interesting points! I think the temperature on mars might also have something to do with the existence of iron rich 'red soil', frost thaw frost thaw for billions of years, would create a fine dust, in its self would it not? Anyone fancy

Re: [meteorite-list] Serious question?

2003-09-18 Thread Sterling K. Webb
Hi, Steve, and all, When you are talking about a large impactor, the physical properties of the impactor material become entirely irrelevant. By the time you get up to a one-kilometer diameter impactor, or a ten-kilometer diameter impactor, it wouldn't matter whether the impactor was made of

RE: [meteorite-list] Serious question? Now into RED EARTH

2003-09-18 Thread Charles R. Viau
, but they are topographic cousins in any case. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kevin Fly Hill Sent: Thursday, September 18, 2003 11:17 AM To: [EMAIL PROTECTED] Subject: Re: [meteorite-list] Serious question? If you want to speculate on rusting

Re: [meteorite-list] Serious question?

2003-09-17 Thread Howard Wu
is sandstone - Original Message - From: Howard Wu To: mark ford ; [EMAIL PROTECTED] 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 Zionthey are red. Go figure? Howard Wumark ford [EMAIL

Re: [meteorite-list] Serious question?

2003-09-17 Thread Mark Ferguson
, Yosemite is granite batholith, Zion is sandstone - Original Message - From: Howard Wu To: mark ford ; [EMAIL PROTECTED] Sent: Tuesday, September 16, 2003 11:53 AM Subject: RE: [meteorite-list] Serious question

RE: [meteorite-list] Serious question?

2003-09-17 Thread Charles R. Viau
, very slow and small like rusting, or vigorous as in a burning pile of leaves. CharlyV IMCA 4351 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Philip R. Burns Sent: Tuesday, September 16, 2003 5:53 PM To: [EMAIL PROTECTED] Subject: Re: [meteorite-list

RE: [meteorite-list] Serious question?

2003-09-17 Thread S. Singletary
At 08:10 PM 9/17/2003 -0400, Charles R. Viau wrote: Oxidation - Definition - Combining a substance with oxygen. Strictly speaking oxidation is the loss of electrons. The electrons need somewhere to go so something is going to gain electrons and that is the reduction part. So to undergo oxidation,

RE: [meteorite-list] Serious question?

2003-09-17 Thread Charles R. Viau
To: [EMAIL PROTECTED] Subject: RE: [meteorite-list] Serious question? At 08:10 PM 9/17/2003 -0400, Charles R. Viau wrote: Oxidation - Definition - Combining a substance with oxygen. Strictly speaking oxidation is the loss of electrons. The electrons need somewhere to go so something is going to gain

RE: [meteorite-list] Serious question?

2003-09-17 Thread Charles R. Viau
Subject: RE: [meteorite-list] Serious question? Two linked reactions: One is oxidized; the other is reduced. Howard Wu Charles R. Viau [EMAIL PROTECTED] wrote: Ok, so for the symantics of that definition, would you call that a reduction reaction not involving oxygen

RE: [meteorite-list] Serious question?

2003-09-17 Thread Philip R. Burns
At 08:32 PM 9/17/2003 -0400, you wrote: Ok, so for the symantics of that definition, would you call that a reduction reaction not involving oxygen, and not oxidation.. ? In general, oxidation is the loss of electrons, and reduction is the gain of electrons. Those terms are used in modern

RE: [meteorite-list] Serious question?

2003-09-17 Thread Charles R. Viau
PM To: [EMAIL PROTECTED] Subject: RE: [meteorite-list] Serious question? At 08:32 PM 9/17/2003 -0400, you wrote: Ok, so for the symantics of that definition, would you call that a reduction reaction not involving oxygen, and not oxidation.. ? In general, oxidation is the loss of electrons

RE: [meteorite-list] Serious question?

2003-09-17 Thread S. Singletary
Nope. I call that, as will any chemist you ask, an oxidation-reduction reaction. Oxidation is the loss of electrons, nothing more nothing less. Steven At 08:32 PM 9/17/2003 -0400, you wrote: Ok, so for the symantics of that definition, would you call that a reduction reaction not involving

RE: [meteorite-list] Serious question?

2003-09-16 Thread mark ford
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

RE: [meteorite-list] Serious question?

2003-09-16 Thread Howard Wu
When I go into Yosemite the cliffs are grey. When I am in Zionthey are red. Go figure? Howard Wumark ford [EMAIL PROTECTED] wrote: On a similar note ... why is the Lunar surface Grey and Mars red ifthey are both resurfaced by meteorites, likewise wouldn't we expectother rocky bodies/planets to

RE: [meteorite-list] Serious question?

2003-09-16 Thread Philip R. Burns
At 08:49 AM 9/16/2003 +0100, you 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

Re: [meteorite-list] Serious question?

2003-09-16 Thread Tom aka James Knudson
] Sent: Tuesday, September 16, 2003 1:42 PM Subject: RE: [meteorite-list] Serious question? At 08:49 AM 9/16/2003 +0100, you 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

Re: [meteorite-list] Serious question?

2003-09-16 Thread Sterling K. Webb
Hi, Tom, Every year the Earth receives tens of thousands of tons of extraterrestial dust. Most of it is ablated from meteorites entering the atmosphere, but a small amount is cometary, and solar system dust, and even a smidge of interstellar dust. The best place to find it is in deep

Re: [meteorite-list] Serious question?

2003-09-16 Thread Philip R. Burns
At 11:00 PM 9/16/2003 +, you wrote: The concept of a red planet as the result of meteorite bombardment is absurd. Maybe not, if you have the right kind of planet, namely one with an atmosphere and appropriate oxidizing compounds. Albert Yen and colleagues wrote a paper about this a bit in

Re: [meteorite-list] Serious question?

2003-09-16 Thread j . divelbiss
Hello all, Here is my simple, romantic notion of Mars and its red-orange/yellow-brown rocks. Living here in Pennsylvania and being close to some very nice Pre-Cambrian bedrock(mafic and ultamafic) that includes metadiabase gabbro, olivine-rich gabbro, dunite-like olivine veins, and mica-rich

Re: [meteorite-list] Serious question?

2003-09-15 Thread Steve Schoner
--- Tom aka James Knudson [EMAIL PROTECTED] wrote: 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