[meteorite-list] Mercury question

From: Pete Pete <rsvp321_at_meteoritecentral.com>
Date: Fri, 17 Jun 2011 17:08:42 -0400
Message-ID: <BAY153-w401B8DDE4037B4E8F73676F86D0_at_phx.gbl>

Hi, Mike,

 

I was referring to Sterling's text:"...Mercury surface, and presumably its crust, is composed of high-potassium non-feldspar rocks.",

which I believe is opposite to what is generally found in angrites.

 

Cheers,

Pete

 






----------------------------------------
> Date: Fri, 17 Jun 2011 16:36:02 -0400
> Subject: Re: [meteorite-list] Mercury question
> From: meteoritemike at gmail.com
> To: rsvp321 at hotmail.com
> CC: sterling_k_webb at sbcglobal.net; meteorite-list at meteoritecentral.com
>
> Good question Pete. :)
>
> Is there anything coming out of this new Mercury data (yet) that is
> relevant to the angrite parent body issue?
>
> Best regards,
>
> MikeG
>
> --
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>
>
> On 6/17/11, Pete Pete <rsvp321 at hotmail.com> wrote:
> >
> >
> >
> > I love it when scientific consensus gets turned on its head with facts!
> >
> > (My first astronomy book, Golden Library of Knowledge, "The Moon", 1959, has
> > three theories for the creation of lunar craters; volcanic, meteorite, and
> > the bubble theory - popping bubbles while in a molten state)
> >
> >
> >
> > I'm assuming that angrites are slowly being discounted from Mercury origin?
> >
> >
> >
> > Cheers,
> >
> > Pete
> >
> >
> >
> >> From: sterling_k_webb at sbcglobal.net
> >> To: meteorite-list at meteoritecentral.com
> >> Date: Fri, 17 Jun 2011 13:20:09 -0500
> >> Subject: Re: [meteorite-list] Mercury question
> >>
> >> Carl, List,
> >>
> >> Only one Mercury question?
> >>
> >> What is revealed from the first bulk composition
> >> scans is that Mercury surface, and presumably its
> >> crust, is composed of high-potassium non-feldspar
> >> rocks. In a word, Mercury is nothing like it's
> >> "supposed" to be.
> >>
> >> Mercury appears to have been made (the rock
> >> part) from high-volatile stuff, a notion that stands
> >> everything everybody has ever thought about
> >> Mercury on its head.
> >> http://www.youtube.com/watch?v=mrBCExa2Rgw&feature=player_embedded
> >>
> >> Being non--field-geologically literate, I would
> >> like somebody on the List to post a list of Earthly
> >> high-potassium non-feldspar rocks rich in sulfur.
> >> I suppose that would be a bunch of high-potassium
> >> metallic sulfides, because one of the things we're
> >> seeing is a lot of sulfur on the surface of Mercury.
> >> Those yellow markings and stains in the photos?
> >>
> >> I don't think anybody ever thought Mercury
> >> would be a place rich in volatiles -- completely
> >> illogical.
> >>
> >> Welcome to the Real World...
> >>
> >> When I started out every book said the craters
> >> on the Moon were volcanoes. We spent a noticeable
> >> amount of the time we were actually ON the Moon
> >> looking for the evidence for lunar volcanoes. There
> >> aren't any volcanoes on the Moon.
> >>
> >> In one of the early Messenger flyby's there was
> >> a featured imaged called "Spider" crater. I posted
> >> here that I was pretty sure it was a caldera volcano.
> >> Now it appears that a lot of the "craters" on Mercury
> >> MAY be volcanoes.
> >>
> >> It would ironic (at the least) if we were to go from
> >> "Moon volcanoes that are really impacts" all the way
> >> to "Mercury impacts that are really volcanoes"!
> >> http://www.nytimes.com/2011/06/17/science/space/17mercury.html
> >>
> >> Even better would be if Mercurian volcanoes were caused by
> >> impacts, because every geophysicist on Earth rejects the
> >> notion that impacts could cause volcanoes (and flood basalts).
> >>
> >> As long as we are going to be wrong about most
> >> things, why not be wrong about everything? (I love
> >> that NYTimes headline "Close Up, Mercury Is Less
> >> Boring." Well, Earth Monkeys, at least it's not as
> >> boring as the NYTimes...
> >>
> >> Oh, the other thing is that the magnetic field of
> >> Mercury is bigger (stronger) at one pole than the
> >> other pole, just in case there's not already enough
> >> weirdness.
> >>
> >> I have an easy explanation; Mercury's core is
> >> EGG-SHAPED.
> >>
> >> Huh? Or two imperfectly merged cores of differing
> >> sizes from a giant impact that did not completely
> >> differentiate after the event.
> >>
> >> And let's not even get close to the question of how
> >> a volatile-rich planet with a huge iron core could FORM
> >> this close to the Sun...
> >>
> >>
> >> Sterling K. Webb
> >> ---------------------------------------------------------------------------
> >> ----- Original Message -----
> >> From: <cdtucson at cox.net>
> >> To: "meteoritelist" <meteorite-list at meteoritecentral.com>
> >> Sent: Thursday, June 16, 2011 5:41 PM
> >> Subject: [meteorite-list] Mercury question
> >>
> >>
> >> > List,
> >> > I have a question.
> >> > With this new data from MESSENGER about the surface composition of
> >> > Mercury;
> >> >
> >> > http://messenger.jhuapl.edu/news_room/details.php?id=174
> >> >
> >> > What does this mean it terms of what a meteorite would be expected to
> >> > look like?
> >> > Would it be metallic -ish?
> >> > Anyone, Thanks.
> >> > Carl
> >> >
> >> > "Democracy is two wolves and a lamb voting on what to have for dinner.
> >> > Liberty is a well-armed lamb contesting the vote".?
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> >> >
> >>
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Received on Fri 17 Jun 2011 05:08:42 PM PDT