[meteorite-list] 3d printing craters and consolidating my collection into larger pieces so selling of small ones off on eBay and Facebook

2015-03-06 Thread Raymond Borges via Meteorite-list
Hello fellow space fans,

Canyon Diablo AZ model
https://www.shapeways.com/product/T6BE4T7ET/arizona-meteor-crater-2-inch-or-50mm?key=3c59d5c09b15c4e3f32b92961f67963a

Odessa model
https://www.shapeways.com/product/MX6QWZX2Z/odessa-meter-crater-texas-4in-or-10cm

Working on wolf creek, henbury, gebel kamil, whitecourt and others.
Need digital elevation model data (DEM or DTM).

more sizes and materials here:
https://www.shapeways.com/shops/sciencehacker


Meteorites for sale or trade:
stores.ebay.com/spacerocks

See for sale album and like the page for updates:
https://www.facebook.com/spacerocks.org

For sale collection album link:
https://www.facebook.com/media/set/?set=a.399285676899143.1073741829.332551380239240type=1l=7773ebfe2b

Hearing offers on anything.

Raymond Borges
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[meteorite-list] Classification Correction- Gold Basin

2015-03-06 Thread Larry Atkins via Meteorite-list
Hello List,

For those that were paying attention to the Gold Basin thread, I made a mistake 
and sent the classification details for the wrong meteorite! I had several 
stones classified at the same time and I copied the write up for a different 
L6, not GB. Here's the correct info.

UCLA (Rubin, Breen)

specimen 1938, received October 2, 2014, 1 piece, 66.2 g
L6  S5W2
olivine: Fa 23.3±0.2 (n=11); low-Ca pyroxene: Fs20.2±0.7 Wo1.0±0.2 (n=15)

The rock exhibits strong mosacisim and contains maskelynite. Polycrystalline 
troilite is present.  Some metal grains contain small, irregularly shaped 
troilite grains within them. 

Thanks to everyone for the congrat's and kind words.



Sincerely,
Larry Atkins
 
IMCA # 1941
Ebay alienrockfarm
 


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[meteorite-list] AD - 30 % on Carbonaceous C. similar to Coolidge / 30 % on Atacamaites‏

2015-03-06 Thread Luc Labenne Meteorites via Meteorite-list
Hello List,

Anybody interested by special CC, I offer on my Ebay store,  30% on the Sahara 
00177. This CC related to reduced CVs is similar to Coolidge with a unique 
metal rich matrix showing armored chondrules (like in typical CR) but many are 
filled with bleb of metal outside and inside the chondrules which is uncommon.

a 
href=http#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Carbonaceous-Chondrites-#47;_i.html#63;_fsub#61;8153134015
 target=_blank 
class=newlyinsertedlinkhttp#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Carbonaceous-Chondrites-#47;_i.html#63;_fsub#61;8153134015/a


Concerning the Atacamaites, I offer 30% off

a 
href=http#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Atacamaites-#47;_i.html#63;_fsub#61;8169905015
 target=_blank 
class=newlyinsertedlinkhttp#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Atacamaites-#47;_i.html#63;_fsub#61;8169905015/a

And to finish, some thin sections:

a 
href=http#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Meteorite-Thin-Sections-#47;_i.html#63;_fsub#61;8159133015
 target=_blank 
class=newlyinsertedlinkhttp#58;#47;#47;stores.ebay.com#47;meteoritesandjewelry#47;Meteorite-Thin-Sections-#47;_i.html#63;_fsub#61;8159133015/a

All the best,
Luc

Luc Labenne
Labenne Meteorites
Meteorites for Science, Education  Collectors
http://www.meteorites.tv
Member of the Meteoritical Society, a non-profit international organization 
dedicated to research and education on meteorites and other extraterrestrial 
materials
https://www.facebook.com/meteorites.tv
http://www.youtube.com/meteoritestv
http://www.twitter.com/meteoritestv
Member of the Meteoritical Society, a non-profit international organization 
dedicated to research and education on meteorites and other extraterrestrial 
materials
Consider the environment before printing this mail. 
  
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Re: [meteorite-list] Ceres and Meteorites?

2015-03-06 Thread Larry Lebofsky via Meteorite-list
Hi Mike:

Two short answers:

1. Closest to the CI chondrites

2. Probably no meteorites from Ceres: nothing looks quite like it and I
think it is not near a resonance that would easily ship chunks of Ceres to
Earth (unlike Vesta).

Larry

 Hi List,

 Has Ceres ever been connected to any type of meteorite?

 Best regards,

 MikeG

 --
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 Web - http://www.galactic-stone.com
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[meteorite-list] Ceres and Meteorites?

2015-03-06 Thread Bernd V. Pauli via Meteorite-list
Hello MikeG and List,

MikeG inquires:

Has Ceres ever been connected to any type of meteorite?

GEHRELS TOM (1979) Asteroids (The University of Arizona Press, Tucson, Arizona,
1181 pp., Infrared Spectral Reflectances of Asteroid Surfaces, H.P. Larson and
G.J. Veeder, pp. 724-744, p. 735):

... the surface of Ceres is a hydrated mineral assemblage that, if restricted
to comparisons with meteorites, most closely resembles Type C2 carbonaceous
chondrites...The comparison of Ceres' surface with primitive meteoritic matter
is most consistent with the spectral data.

Cheers, Bernd


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[meteorite-list] Ad : Meteorite Books, Brenham, Moldavite, LDG, Unclassified Stones, Forest City, Mendota, More

2015-03-06 Thread Galactic Stone Ironworks via Meteorite-list
Hi Friends and Collectors,

I have many new offerings that are worth a look.  There are several
meteorite books, including some that are long out of print and a few
rare ones.  Use coupon code metlist at checkout for 20% OFF your
entire order.

I have some meteorite specimens that are not listed on the website
yet.  I am making these available to Met-List members before I
announce them to the general public.  Photos are available upon
request.  Contact me via email to inquire :

Forest City (H5 hammer fall), 105mg fragment
NWA 2798 (L3.2), polished endcut (gorgeous chondrule-heavy matrix), 2.6g
Al Haggounia (EL3), blue lithology, endcut, 13.6g
Brenham (PAL), polished translucent slice with gemmy GREEN olivines, 9.8g
UNWA, beautiful crusted individual, 17g
UNWA, desert varnished nice individual, 52g
Nininger Museum Brick (large thin slice), 72g
Moldavite, gemmy individual 99% undamaged, 2.04g
Mendota (wrong), polished endcut, 13.5g
Mendota (wrong), polished endcut, 10.5g
Libyan Desert Glass(impact glass), gemmy ventifact, 3.8g
Libyan (impact glass), gemmy individual, 1.4g
Terrestrial Peridotite, slice, 9.5g

(note, the pieces listed above are NOT on the website yet - contact me
to inquire about those specimens)


BOOKS :

Astroblemes : Cryptoexplosion Structures by McCall -
http://www.galactic-stone.com/product/astroblemes--cryptoexplosion-structures-by-mccall

Cosmic Debris by John G. Burke -
http://www.galactic-stone.com/product/cosmic-debris-by-john-g-burke--tight-hardcover-copy

Meteorite  Regolith Studies : Proceedings of the 11th Lunar 
Planetary Science Conference -
http://www.galactic-stone.com/product/meteorite-regolith-studies--proceedings-of-the-11th-lunar-planetary-science-conferenc

Meteorite Craters by Kathleen Mark -
http://www.galactic-stone.com/product/meteorite-craters-by-kathleen-mark

Meteorites and the Origin of Planets by John A. Wood -
http://www.galactic-stone.com/product/meteorites-and-the-origin-of-planets-by-john-a-wood

Planetary Geology by Nicholas Short, NASA -
http://www.galactic-stone.com/product/planetary-geology-by-nicholas-short-nasa

Rocks from Space by O. Richard Norton -
http://www.galactic-stone.com/product/rocks-from-space-by-o-richard-norton

Space Geology an Introduction by Elbert King -
http://www.galactic-stone.com/product/space-geology-an-introduction-by-elbert-king

Comets, Asteroids, and Meteorites -
http://www.galactic-stone.com/product/comets-asteroids-and-meteorites--time-life-books

All new offerings : http://www.galactic-stone.com/products/brand-new?pagesize=48

Thanks for looking and have a great weekend!

MikeG

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[meteorite-list] Use of Curiosity Rover Arm Expected to Resume in a Few Days

2015-03-06 Thread Ron Baalke via Meteorite-list

http://www.jpl.nasa.gov/news/news.php?feature=4504

Use of Rover Arm Expected to Resume in a Few Days
Jet Propulsion Laboratory
March 6, 2015

Mission Status Report

Managers of NASA's Curiosity Mars rover mission expect to approve resumption 
of rover arm movements as early as next week while continuing analysis 
of what appears to be an intermittent short circuit in the drill.

A fluctuation in current on Feb. 27 triggered a fault-protection response 
that immediately halted action by the rover during the mission's 911th 
Martian day, or sol. Since then, the rover team has avoided driving Curiosity 
or moving the rover's arm, while engineers have focused on diagnostic 
tests. Science observations with instruments on the rover's mast have 
continued, along with environmental monitoring by its weather station.

Diagnostic testing this week has been productive in narrowing the possible 
sources of the transient short circuit, said Curiosity Project Manager 
Jim Erickson of NASA's Jet Propulsion Laboratory, Pasadena, California. 
The most likely cause is an intermittent short in the percussion mechanism 
of the drill. After further analysis to confirm that diagnosis, we will 
be analyzing how to adjust for that in future drilling.

The sample-collection drill on Curiosity's robotic arm uses both rotation 
and hammering, or percussion, to penetrate into Martian rocks and collect 
pulverized rock material for delivery to analytical instruments inside 
the rover.

The short on Sol 911 occurred while the rover was transferring rock-powder 
sample from the grooves of the drill into a mechanism that sieves and 
portions the powder. The percussion action was in use, to shake the powder 
loose from the drill.

Engineers received results Thursday, March 5, from a test on Curiosity 
that similarly used the drill's percussion action. During the third out 
of 180 up-and-down repeats of the action, an apparent short circuit occurred 
for less than one one-hundredth of a second. Though small and fleeting, 
it would have been enough to trigger the fault protection that was active 
on Sol 911 under the parameters that were in place then.

The rover team plans further testing to characterize the intermittent 
short before the arm is moved from its present position, in case the short 
does not appear when the orientation is different.

After those tests, the team expects to finish processing the sample powder 
that the arm currently holds and then to deliver portions of the sample 
to onboard laboratory instruments. Next, Curiosity will resume climbing 
Mount Sharp.

NASA's Mars Science Laboratory Project is using Curiosity to assess ancient 
habitable environments and major changes in Martian environmental conditions. 
JPL, a division of the California Institute of Technology in Pasadena, 
built the rover and manages the project for NASA's Science Mission Directorate 
in Washington. For more information about Curiosity, visit:

http://www.nasa.gov/msl

http://mars.jpl.nasa.gov/msl/

You can follow the mission on Facebook and Twitter at:

http://www.facebook.com/marscuriosity

http://www.twitter.com/marscuriosity

Media Contact
Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-6278
guy.webs...@jpl.nasa.gov

2015-081

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[meteorite-list] Dawn Becomes First to Orbit a Dwarf Planet

2015-03-06 Thread Ron Baalke via Meteorite-list

http://www.jpl.nasa.gov/news/news.php?feature=4503

NASA Spacecraft Becomes First to Orbit a Dwarf Planet
Jet Propulsion Laboratory
March 6, 2016

NASA's Dawn spacecraft has become the first mission to achieve orbit around 
a dwarf planet. The spacecraft was approximately 38,000 miles (61,000 
kilometers) from Ceres when it was captured by the dwarf planet's gravity 
at about 4:39 a.m. PST (7:39 a.m. EST) Friday.

Mission controllers at NASA's Jet Propulsion Laboratory in Pasadena, California 
received a signal from the spacecraft at 5:36 a.m. PST (8:36 a.m. EST) 
that Dawn was healthy and thrusting with its ion engine, the indicator 
Dawn had entered orbit as planned.

Since its discovery in 1801, Ceres was known as a planet, then an asteroid 
and later a dwarf planet, said Marc Rayman, Dawn chief engineer and mission 
director at JPL. Now, after a journey of 3.1 billion miles (4.9 billion 
kilometers) and 7.5 years, Dawn calls Ceres, home.

In addition to being the first spacecraft to visit a dwarf planet, Dawn 
also has the distinction of being the first mission to orbit two 
extraterrestrial 
targets. From 2011 to 2012, the space-craft explored the giant asteroid 
Vesta, delivering new insights and thousands of images from that distant 
world. Ceres and Vesta are the two most massive residents of our solar 
system's main asteroid belt between Mars and Jupiter.

The most recent images received from the spacecraft, taken on March 1, 
show Ceres as a crescent, mostly in shadow because the spacecraft's trajectory 
put it on a side of Ceres that faces away from the sun until mid-April. 
When Dawn emerges from Ceres' dark side, it will deliver ever-sharper 
images as it spirals to lower orbits around the planet.

We feel exhilarated, said Chris Russell, principal investigator of the 
Dawn mission at the University of California, Los Angeles (UCLA). We 
have much to do over the next year and a half, but we are now on station 
with ample reserves, and a robust plan to obtain our science objectives.

Dawn's mission is managed by JPL for NASA's Science Mission Directorate 
in Washington. Dawn is a project of the directorate's Discovery Program, 
managed by NASA's Marshall Space Flight Center in Huntsville, Alabama. 
UCLA is responsible for overall Dawn mission science. Orbital ATK Inc., 
in Dulles, Virginia, designed and built the spacecraft. The German Aerospace 
Center, Max Planck Institute for Solar System Research, Italian Space 
Agency and Italian National Astrophysical Institute are international 
partners on the mission team.

For a complete list of mission participants, visit:

http://dawn.jpl.nasa.gov/mission

For more information about Dawn, visit:

http://www.nasa.gov/dawn

Media Contact
Elizabeth Landau
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-6425
elizabeth.lan...@jpl.nasa.gov

Dwayne Brown
NASA Headquarters, Washington
202-358-1726
dwayne.c.br...@nasa.gov

2015-080

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[meteorite-list] Meteorite Picture of the Day

2015-03-06 Thread Paul Swartz via Meteorite-list
Today's Meteorite Picture of the Day: NWA 8744

Contributed by: Greg Hupé

http://www.tucsonmeteorites.com/mpodmain.asp?DD=03/07/2015
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