Re: [meteorite-list] NEW LUNAR monzogabbro meteorite looks like aShergottite
Weathering processes on the moon are primarily related to solar and impact
processes, so mantle material, as well as intrusive monzogabbroic material
equivalent to mugearitic rock in extrusive terrestrial contexts will have been
present on the lunar surface in variable concentrations in respect to magnitude
of impact, although relationships of impact intensity to depth of specific
geologic materials is not determinate, since plutonic bodies of mafic
composition are not restricted to any depth on earth at all times, and basaltic
extrusive expressions of chemical compositions rich in ferromagnessian minerals
(noritic and gabbroic rock) are exceedingly common here. This new lunar
material seems to be hypabyssal macroscopically, which may account for the
reported subjective responses of certain members of the meteoritical community
of similarity to shergottites, which are related to extrusive and hypabyssal
intrusive activity on mars.
Martin Altmann [EMAIL PROTECTED] wrote: Hi Rob,
.. Meteorites have, at least the potential to come from
deeper than the long weathered surface materials
brought back by the Apollo crews. This all makes sense
to me, if it is a confirmed discovery.
You're right Rob,
For example the pairing group around Dho 310-breccias has some spinel,
indicating that those parts of the breccia stem from the deeper lunar crust
(20km), see here:
http://www.meteorites.ru/menu/publication-e/demidova-ms2003-e.pdf
Or take the fresher granulite NWA 3163/4483, which is suggested to be a
crustal rock, practically not sampled by the Apollo missions:
http://www.lpi.usra.edu/meetings/lpsc2006/pdf/1365.pdf
Best
Martin
-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von Rob
McCafferty
Gesendet: Mittwoch, 28. Februar 2007 23:10
An: gipometeorites; meteorite-list@meteoritecentral.com
Betreff: Re: [meteorite-list] NEW LUNAR monzogabbro meteorite looks like
aShergottite
I am not going to claim any authority in the area of
geology but I will claim a good experience of
Anorthosite, a principle constituent of the lunar
surface. The Isle of Harris, the next island down from
me [is actually connected to my island, Lewis, by a
land bridge] has an entire mountain made from the
stuff, despite it's rare nature and I've collected
plenty of it to decorate my garden.
It weathers by ice and abrasion to the same gorgeous
white colour of the genesis rock brought back by the
Apollo 15 crew. This is not surprising since their
rock was weathered on the outside too, but that stone
was impact weathered only.
Inside the rocks from harris they are remarkably
crystaline, quite grey in appearance and U took the
liberty of borrowing a lathe[?] to polish a small
section of a chunk i rather brutally chipped off with
a chisel. Apart from the colour, it looks very like a
piece of SAU008/005, a shergottite.
In all honesty and with hindsight, it does not
surprise me that a lunar meteorite may well look like
a martian one.
Anorthosite I believe, is a plutonic rock and since
most of the white part of the moon is made from it,
the only surpise to me, after thinking about it, is
that one that looks like a shergottite has not been
discovered before.
I suggest that aeons of impacts on the moon do not
leave big enough chunks near the surface to preserve
the structure of the rock and that is why we haven't
seen one before. Having said that, we've only really
been looking for a few years.
Meteorites have, at least the potential to come from
deeper than the long weathered surface materials
brought back by the Apollo crews. This all makes sense
to me, if it is a confirmed discovery.
In a differentiated body the size of the moon and
mars, I think, in retrospect, we should not be
surprised at all.
Obviously, if this turns out to be a hoax, I absolve
myself of all I have said here on the grounds that I
have never heard of monzogabbro before. Gabbro is just
a feldspar with less than 60% or is it 40%[?]
anorthosite. What the frip does monzo mean? I thought
he was a character in the muppet show.
Rob McC
{the man with a million tons of fake moon rock}
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Re: [meteorite-list] NEW LUNAR monzogabbro meteorite looks like aShergottite
Hi Rob,
.. Meteorites have, at least the potential to come from
deeper than the long weathered surface materials
brought back by the Apollo crews. This all makes sense
to me, if it is a confirmed discovery.
You're right Rob,
For example the pairing group around Dho 310-breccias has some spinel,
indicating that those parts of the breccia stem from the deeper lunar crust
(20km), see here:
http://www.meteorites.ru/menu/publication-e/demidova-ms2003-e.pdf
Or take the fresher granulite NWA 3163/4483, which is suggested to be a
crustal rock, practically not sampled by the Apollo missions:
http://www.lpi.usra.edu/meetings/lpsc2006/pdf/1365.pdf
Best
Martin
-Ursprüngliche Nachricht-
Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von Rob
McCafferty
Gesendet: Mittwoch, 28. Februar 2007 23:10
An: gipometeorites; meteorite-list@meteoritecentral.com
Betreff: Re: [meteorite-list] NEW LUNAR monzogabbro meteorite looks like
aShergottite
I am not going to claim any authority in the area of
geology but I will claim a good experience of
Anorthosite, a principle constituent of the lunar
surface. The Isle of Harris, the next island down from
me [is actually connected to my island, Lewis, by a
land bridge] has an entire mountain made from the
stuff, despite it's rare nature and I've collected
plenty of it to decorate my garden.
It weathers by ice and abrasion to the same gorgeous
white colour of the genesis rock brought back by the
Apollo 15 crew. This is not surprising since their
rock was weathered on the outside too, but that stone
was impact weathered only.
Inside the rocks from harris they are remarkably
crystaline, quite grey in appearance and U took the
liberty of borrowing a lathe[?] to polish a small
section of a chunk i rather brutally chipped off with
a chisel. Apart from the colour, it looks very like a
piece of SAU008/005, a shergottite.
In all honesty and with hindsight, it does not
surprise me that a lunar meteorite may well look like
a martian one.
Anorthosite I believe, is a plutonic rock and since
most of the white part of the moon is made from it,
the only surpise to me, after thinking about it, is
that one that looks like a shergottite has not been
discovered before.
I suggest that aeons of impacts on the moon do not
leave big enough chunks near the surface to preserve
the structure of the rock and that is why we haven't
seen one before. Having said that, we've only really
been looking for a few years.
Meteorites have, at least the potential to come from
deeper than the long weathered surface materials
brought back by the Apollo crews. This all makes sense
to me, if it is a confirmed discovery.
In a differentiated body the size of the moon and
mars, I think, in retrospect, we should not be
surprised at all.
Obviously, if this turns out to be a hoax, I absolve
myself of all I have said here on the grounds that I
have never heard of monzogabbro before. Gabbro is just
a feldspar with less than 60% or is it 40%[?]
anorthosite. What the frip does monzo mean? I thought
he was a character in the muppet show.
Rob McC
{the man with a million tons of fake moon rock}
__
Meteorite-list mailing list
Meteorite-list@meteoritecentral.com
http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] NEW LUNAR monzogabbro meteorite looks like aShergottite
Oh yeah...Not a particulary remarkable entry at that.
Since gabbro has been found in lunar meteorites, it's
not particularly surprising this stuff is either.
Atrange group the feldspars. So many names based on
how much anorthosite is in them as a proportion to
secondary minerals. Yipe. I'm glad I'm not a
geologist. If I had to be I'd pick the moon over the
earth any day.
Rob McC
--- Gerald Flaherty [EMAIL PROTECTED] wrote:
Google it. It's a n entry.
Jerry Flaherty
- Original Message -
From: Rob McCafferty [EMAIL PROTECTED]
To: gipometeorites [EMAIL PROTECTED];
meteorite-list@meteoritecentral.com
Sent: Wednesday, February 28, 2007 5:09 PM
Subject: Re: [meteorite-list] NEW LUNAR monzogabbro
meteorite looks like
aShergottite
I am not going to claim any authority in the area
of
geology but I will claim a good experience of
Anorthosite, a principle constituent of the lunar
surface. The Isle of Harris, the next island down
from
me [is actually connected to my island, Lewis, by
a
land bridge] has an entire mountain made from the
stuff, despite it's rare nature and I've collected
plenty of it to decorate my garden.
It weathers by ice and abrasion to the same
gorgeous
white colour of the genesis rock brought back by
the
Apollo 15 crew. This is not surprising since their
rock was weathered on the outside too, but that
stone
was impact weathered only.
Inside the rocks from harris they are remarkably
crystaline, quite grey in appearance and U took
the
liberty of borrowing a lathe[?] to polish a small
section of a chunk i rather brutally chipped off
with
a chisel. Apart from the colour, it looks very
like a
piece of SAU008/005, a shergottite.
In all honesty and with hindsight, it does not
surprise me that a lunar meteorite may well look
like
a martian one.
Anorthosite I believe, is a plutonic rock and
since
most of the white part of the moon is made from
it,
the only surpise to me, after thinking about it,
is
that one that looks like a shergottite has not
been
discovered before.
I suggest that aeons of impacts on the moon do not
leave big enough chunks near the surface to
preserve
the structure of the rock and that is why we
haven't
seen one before. Having said that, we've only
really
been looking for a few years.
Meteorites have, at least the potential to come
from
deeper than the long weathered surface materials
brought back by the Apollo crews. This all makes
sense
to me, if it is a confirmed discovery.
In a differentiated body the size of the moon and
mars, I think, in retrospect, we should not be
surprised at all.
Obviously, if this turns out to be a hoax, I
absolve
myself of all I have said here on the grounds that
I
have never heard of monzogabbro before. Gabbro is
just
a feldspar with less than 60% or is it 40%[?]
anorthosite. What the frip does monzo mean? I
thought
he was a character in the muppet show.
Rob McC
{the man with a million tons of fake moon rock}
--- gipometeorites [EMAIL PROTECTED]
wrote:
Hi List,
Aziz Habibi asked me to forward a email from him
to
the list,
so here it is:
dear list,
here is the first lunar monzogabbro!!, as you
will
read in the classification; it's also the first
lunar to look like a shergotite.
under microscope it's looking exactly like a
shergotite from the texture..
with all modesty this is one of the most
important
planetary meteorite.a very rare classification .
enjoy photo in this link and here is the
classification done by doctor Albert Jambon from
upvi Paris.
. yes a lunar with a Martianshergtoite
texture.
go to this link and click on lunar album nwa
4683.
http://photos.yahoo.com/azizhabibi
to understand how it's classified as monzogabbro
check out this link.
http://www.uwgb.edu/DutchS/PETROLGY/classification_of_igneous_rocks.htm.
enjoy photo in this link and here is the
classification done by doctor Albert Jambon from
upvi Paris.
there are other album including a new oriented
Martian and a very fresh lodranites.
all the best,
aziz habibi
Proposed NameNWA 4683
Geographic Coordinates1
undisclosed.
Erfoud Morocco
Find : october of 2006
Major classification (group) Achondrite (Lunar
monzogabbro)
History: two pieces bought from nomads in Erfoud
(Morocco).
Physical characteristics: One stone broken in
two
pieces 68 and 409g. Dull black fusion crust on
one
side, weathered on the other side. It is a gray,
coarse grained, pristine magmatic rock consisting
of
millimetric phenocrysts mainly of pyroxene and
plagioclase.
Petrography: A. Jambon, O. Boudouma and D.
Badia.
UPVI .
The texture is best described as shergottitic
like .
Pyroxene are highly fractured while plagioclase
laths, partly
