[meteorite-list] AD: Collection Specimens Up For Auction

From: Dave Ribeca <davior_at_meteoritecentral.com>
Date: Fri, 18 Dec 2015 08:13:16 -0500
Message-ID: <C4BAAD733C2640DBA9CA0C03F8F06BB4_at_UserPC>

Prices reduced - EIGHTY FIVE (85) collection specimens are now up for
auction. TWENTY FOUR (24) new specimens. Check it out! You might see
something for your collection.... Merry Christmas, everyone!

http://www.ebay.com/sch/i.html?_odkw=Ribeca&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=ribeca&_sacat=0

David L. Ribeca
IMCA Member 4050


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Subject: Meteorite-list Digest, Vol 153, Issue 19

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Today's Topics:

   1. Meteorite Picture of the Day (valparint at aol.com)
   2. Ad: $1.99 Auctions Ending Today (Ruben Garcia)
   3. AD: Kaba, quality Thin Sections, Bingol, Tissint2, Big NWA,
      meteorite stands, etc on EBAY (cbo)
   4. Rocks Rich in Silica Present Puzzles for Mars Curiosity Rover
      Team (Ron Baalke)
   5. Mars Spacecraft Shipped to California for March Launch
      (InSight) (Ron Baalke)
   6. Asteroid 1998 WT24 Looks Even Better Second Time Around
      (Ron Baalke)


----------------------------------------------------------------------

Message: 1
Date: Thu, 17 Dec 2015 00:00:16 -0700
From: <valparint at aol.com>
To: <meteorite-list at meteoritecentral.com>
Subject: [meteorite-list] Meteorite Picture of the Day
Message-ID: <0CA5B50ED59644E69512D7C0D602A066 at Seuthopolis>
Content-Type: text/plain

Today's Meteorite Picture of the Day: Kaidun

Contributed by: Anne Black

http://www.tucsonmeteorites.com/mpodmain.asp?DD=12/17/2015


------------------------------

Message: 2
Date: Thu, 17 Dec 2015 15:08:48 -0700
From: Ruben Garcia <rubengarcia85382 at gmail.com>
To: "Meteorite-list at meteoritecentral.com"
<Meteorite-list at meteoritecentral.com>
Subject: [meteorite-list] Ad: $1.99 Auctions Ending Today
Message-ID:
<CAJet4mMmJv3+jAkbw6v4SeyiOB9LtxzM2V+NoPSZw5YDkhWUvQ at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

HI all,

I'll have 4 lots total of $1.99 auctions ending before Christmas. Here
is the first batch.

http://www.ebay.com/sch/mr-meteorite/m.html?item=321950365737&ssPageName=STRK%3AMESELX%3AIT&rt=nc&LH_Auction=1




-- 
Rock On!
Ruben Garcia
http://www.MrMeteorite.com
------------------------------
Message: 3
Date: Fri, 18 Dec 2015 01:12:48 +0100
From: "cbo" <cbo at t-online.hu>
To: <Meteorite-list at meteoritecentral.com>
Subject: [meteorite-list] AD: Kaba, quality Thin Sections, Bingol,
Tissint2, Big NWA, meteorite stands, etc on EBAY
Message-ID: <002e01d13928$d444aa80$7ccdff80$_at_hu>
Content-Type: text/plain; charset="iso-8859-2"
Ending soon my lot of EBAY auction in very reduced prices (many from 1.99$)
in the Weekend
See them here in my EBay store:
http://stores.ebay.com/eurodome
Historic Kaba CV3, the first CV3 on the World
Witnessed fall meteorie from 1857, old Kingdom of Hungary
Impossible to obtain it!
0.003 gr 250$
0.019 gr 800$
BIG NWA xxx 4.838 kg chondrite, regmaglypted, well shaped - 2200$
Flight marked and super shaped 629 gr NWA xxx JUST NOW - 399$
Quality polished Thin Sections 23 pcs:
First on the market Bing?ol Howardite from 44$
First on the market nice "Tissint2" from 34$
Allende CV3, quality double polished - 69$
NWA 5884 Super nice Ureilite - 99$
NWA 5886 rare EL6 enstatite - 49$
NWA 6926 awsome ach-ungr - from 32.99$
NWA 6953 mesosiderite, very nice - 49$
NWA 8263 L3.5, chondrule tons - 59$
Tatahouine, rare diogenite - 99$
Lot of nice NWA xxx with super chondrules from 1.99$
Lot of Chelyabinsk LL5 - 39$ - reduced
NWA 5488 Lodranite - 125$ - reduced
Almahata Sitta EL6 350$
NEW "Tissint2" 2015 witnessed fall 4.30gr slice from 1.99$ - reduced
Nice Agoudals:
from 17-45$
Rare Kuresoi Kenya fall!!
from 49$ - reduced
Lot of Moldavites (Vlatavine) from 16$
Nice shaped Moldavites from 16$
Meteorite stands SETs 35$/pair
And many more...
Super rare iron meteorite from Hungary!
Kaposf?red IVA - 29.23 gr etched full-slice (TKW:2.2kg)- 2500USD
See here it:  http://www.hunmet.com/images/KaposfuredIVA_29_23gr.jpg
LPI Conference study: http://www.lpi.usra.edu/meetings/LPSC98/pdf/1082.pdf
If you are interest each of them, please contact me in PM!
Zsolt Kereszty
IMCA#6251
Meteoritical Society
Hungarian Astronomical Society
------------------------------
Message: 4
Date: Thu, 17 Dec 2015 17:29:37 -0800 (PST)
From: Ron Baalke <baalke at zagami.jpl.nasa.gov>
To: meteorite-list at meteoritecentral.com (Meteorite Mailing List)
Subject: [meteorite-list] Rocks Rich in Silica Present Puzzles for
Mars Curiosity Rover Team
Message-ID: <201512180129.tBI1TbE3024128 at zagami.jpl.nasa.gov>
Content-Type: text/plain; charset=us-ascii
http://www.jpl.nasa.gov/news/news.php?feature=4799
Rocks Rich in Silica Present Puzzles for Mars Rover Team
Jet Propulsion Laboratory
December 17, 2015
In detective stories, as the plot thickens, an unexpected clue often 
delivers
more questions than answers. In this case, the scene is a mountain on
Mars. The clue: the chemical compound silica. Lots of silica. The sleuths:
a savvy band of Earthbound researchers whose agent on Mars is NASA's 
laser-flashing,
one-armed mobile laboratory, Curiosity.
NASA's Curiosity rover has found much higher concentrations of silica
at some sites it has investigated in the past seven months than anywhere
else it has visited since landing on Mars 40 months ago. Silica makes
up nine-tenths of the composition of some of the rocks. It is a rock-forming
chemical combining the elements silicon and oxygen, commonly seen on Earth
as quartz, but also in many other minerals.
"These high-silica compositions are a puzzle. You can boost the 
concentration
of silica either by leaching away other ingredients while leaving the
silica behind, or by bringing in silica from somewhere else," said Albert
Yen, a Curiosity science team member at NASA's Jet Propulsion Laboratory,
Pasadena, California. "Either of those processes involve water. If we
can determine which happened, we'll learn more about other conditions
in those ancient wet environments."
Water that is acidic would tend to carry other ingredients away and leave
silica behind. Alkaline or neutral water could bring in dissolved silica
that would be deposited from the solution. Apart from presenting a puzzle
about the history of the region where Curiosity is working, the recent
findings on Mount Sharp have intriguing threads linked to what an earlier
NASA rover, Spirit, found halfway around Mars. There, signs of sulfuric
acidity were observed, but Curiosity's science team is still considering
both scenarios -- and others -- to explain the findings on Mount Sharp.
Adding to the puzzle, some silica at one rock Curiosity drilled, called
"Buckskin," is in a mineral named tridymite, rare on Earth and never seen
before on Mars. The usual origin of tridymite on Earth involves high 
temperatures
in igneous or metamorphic rocks, but the finely layered sedimentary rocks
examined by Curiosity have been interpreted as lakebed deposits. 
Furthermore,
tridymite is found in volcanic deposits with high silica content. Rocks
on Mars' surface generally have less silica, like basalts in Hawaii, though
some silica-rich (silicic) rocks have been found by Mars rovers and 
orbiters.
Magma, the molten source material of volcanoes, can evolve on Earth to
become silicic. Tridymite found at Buckskin may be evidence for magmatic
evolution on Mars.
Curiosity has been studying geological layers of Mount Sharp, going uphill,
since 2014, after two years of productive work on the plains surrounding
the mountain. The mission delivered evidence in its first year that lakes
in the area billions of years ago offered favorable conditions for life,
if microbes ever lived on Mars. As Curiosity reaches successively younger
layers up Mount Sharp's slopes, the mission is investigating how ancient
environmental conditions evolved from lakes, rivers and deltas to the
harsh aridity of today's Mars.
Seven months ago, Curiosity approached "Marias Pass," where two geological
layers are exposed in contact with each other. The rover's laser-firing
instrument for examining compositions from a distance, Chemistry and Camera
(ChemCam), detected bountiful silica in some targets the rover passed
on its way to the contact zone. The rover's Dynamic Albedo of Neutrons
instrument simultaneously detected that the rock composition was unique
in this area.
"The high silica was a surprise -- so interesting that we backtracked
to investigate it with more of Curiosity's instruments," said Jens 
Frydenvang
of Los Alamos National Laboratory in New Mexico and the University of
Copenhagen, Denmark.
Gathering clues about silica was a major emphasis in rover operations
over a span of four months and a distance of about one-third of a mile
(half a kilometer).
The investigations included many more readings from ChemCam, plus elemental
composition measurements by the Alpha Particle X-ray Spectrometer (APXS)
on the rover's arm and mineral identification of rock-powder samples by
the Chemistry and Mineralogy (CheMin) instrument inside the rover.
Buckskin was the first of three rocks where drilled samples were collected
during that period. The CheMin identification of tridymite prompted the
team to look at possible explanations: "We could solve this by determining
whether trydymite in the sediment comes from a volcanic source or has
another origin," said Liz Rampe, of Aerodyne Industries at NASA's Johnson
Space Center, Houston. "A lot of us are in our labs trying to see if there's
a way to make tridymite without such a high temperature."
Beyond Marias Pass, ChemCam and APXS found a pattern of high silica in
pale zones along fractures in the bedrock, linking the silica enrichment
there to alteration by fluids that flowed through the fractures and 
permeated
into bedrock. CheMin analyzed drilled material from a target called "Big
Sky" in bedrock away from a fracture and from a fracture-zone target called
"Greenhorn." Greenhorn indeed has much more silica, but not any in the
form of tridymite. Much of it is in the form of noncrystalline opal, which
can form in many types of environments, including soils, sediments, hot
spring deposits and acid-leached rocks.
"What we're seeing on Mount Sharp is dramatically different from what
we saw in the first two years of the mission," said Curiosity Project
Scientist Ashwin Vasavada of JPL. "There's so much variability within
relatively short distances. The silica is one indicator of how the chemistry
changed. It's such a multifaceted and curious discovery, we're going to
take a while figuring it out."
For more about Curiosity, which is examining sand dunes this month, visit:
http://mars.jpl.nasa.gov/msl/
Media Contact
Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-6278
guy.webster at jpl.nasa.gov
Dwayne Brown / Laurie Cantillo
NASA Headquarters, Washington
202-358-1726 / 202-358-1077
dwayne.c.brown at nasa.gov / laura.l.cantillo at nasa.gov
------------------------------
Message: 5
Date: Thu, 17 Dec 2015 17:31:21 -0800 (PST)
From: Ron Baalke <baalke at zagami.jpl.nasa.gov>
To: meteorite-list at meteoritecentral.com (Meteorite Mailing List)
Subject: [meteorite-list] Mars Spacecraft Shipped to California for
March Launch (InSight)
Message-ID: <201512180131.tBI1VL1G025327 at zagami.jpl.nasa.gov>
Content-Type: text/plain; charset=us-ascii
http://www.jpl.nasa.gov/news/news.php?feature=4797
Mars Spacecraft Shipped to California for March Launch
Jet Propulsion Laboratory
December 17, 2015
NASA Insight Mission Status Report
NASA's next Mars spacecraft has arrived at Vandenberg Air Force Base,
California, for final preparations before a launch scheduled in March
2016 and a landing on Mars six months later.
Lockheed Martin Space Systems, Denver, built and tested the spacecraft
and delivered it on Dec. 16 from Buckley Air Force Base in Denver to 
Vandenberg,
on the central California Coast.
Preparations are on a tight schedule for launch during the period March
4 through March 30. The work ahead includes installation and testing of
one of the mission's key science instruments, its  seismometer, which
is scheduled for delivery to Vandenberg in January.
"InSight has traveled the first leg of its journey, getting from Colorado
to California, and we're on track to start the next leg, to Mars, with
a launch in March," said InSight Principal Investigator Bruce Banerdt,
of NASA's Jet Propulsion Laboratory, Pasadena, California.
The seismometer, provided by France's national space agency (CNES), includes
a vacuum container around its three main sensors. Maintaining the vacuum
is necessary for the instrument's extremely high sensitivity; the 
seismometer
is capable of measuring ground motions as small as the width of an atom.
A vacuum leak detected during testing of the seismometer was repaired
last week in France and is undergoing further testing.
InSight's heat-probe instrument from Germany's space agency (DLR), the
lander's robotic arm and the rest of the payload are already installed
on the spacecraft.
InSight, short for Interior Exploration using Seismic Investigations Geodesy
and Heat Transport, is the first Mars mission dedicated to studying the
deep interior of the Red Planet. This Mars lander's findings will advance
understanding about the formation and evolution of all rocky planets,
including Earth.
One of the newest additions installed on the InSight lander is a microchip
bearing the names of about 827,000 people worldwide who participated in
an online "send your name to Mars" activity in August and September 2015.
InSight will be the first mission to Mars ever launched from California.
The mission is part of NASA's Discovery Program, managed by NASA's Marshall
Space Flight Center in Huntsville, Alabama.
For more information about InSight, visit:
http://insight.jpl.nasa.gov
Media Contact
Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-6278
guy.webster at jpl.nasa.gov
Gary Napier
Lockheed Martin Space Systems, Denver
303-971-4012
gary.p.napier at lmco.com
George Diller
NASA Kennedy Space Center, Florida
321-861-7643
george.h.diller at nasa.gov
Dwayne Brown / Laurie Cantillo
NASA Headquarters, Washington
202-358-1726 / 202-358-1077
dwayne.c.brown at nasa.gov / laura.l.cantillo at nasa.gov
2015-378
------------------------------
Message: 6
Date: Thu, 17 Dec 2015 17:33:04 -0800 (PST)
From: Ron Baalke <baalke at zagami.jpl.nasa.gov>
To: meteorite-list at meteoritecentral.com (Meteorite Mailing List)
Subject: [meteorite-list] Asteroid 1998 WT24 Looks Even Better Second
Time Around
Message-ID: <201512180133.tBI1X4LK026433 at zagami.jpl.nasa.gov>
Content-Type: text/plain; charset=us-ascii
http://www.jpl.nasa.gov/news/news.php?feature=4800
Asteroid Looks Even Better Second Time Around
Jet Propulsion Laboratory
December 17, 2015
[Images]
On the left is a radar image of asteroid 1998 WT24 taken in December 2001
by scientists using NASA's the 230-foot (70-meter) DSS-14 antenna at 
Goldstone,
California. Image credit:NASA/JPL-Caltech/GSSR/NRAO/AUI/NSF
Asteroid 1998 WT24 safely flew past Earth on Dec. 11 at a distance of
about 2.6 million miles (4.2 million kilometers, 11 lunar distances).
During its flyby, NASA scientists used the 230-foot (70-meter) DSS-14
antenna at Goldstone, California, to probe it with microwave transmissions.
Using this technique, they created the highest-resolution radar images
of the asteroid.
This is the second time asteroid 1998 WT24 has been in the sights of NASA's
solar system radar. In December of 2001, Goldstone obtained the first
radar images of 1998 WT24 (http://neo.jpl.nasa.gov/images/1998wt24.html),
which revealed that the asteroid was about 1,300 feet (400 meters) in
diameter and shaped like a Russet potato. The radar images from 2001 had
a resolution of about 60 feet (19 meters) per pixel.
The new radar images achieve a spatial resolution as fine as 25 feet (7.5
meters) per pixel. They were obtained using the same DSS-14 antenna at
Goldstone to transmit high-power microwaves toward the asteroid. However,
this time, the radar echoes bounced off the asteroid were received by
the National Radio Astronomy Observatory's 100-meter (330-foot) Green
Bank Telescope in West Virginia.
"With this upgraded resolution we can see the asteroid's ridges and 
concavities
in much greater detail," said Shantanu Naidu, a postdoctoral researcher
at NASA's Jet Propulsion Laboratory in Pasadena, California, who works
with the radar team and set up the observing plan for the asteroid's flyby.
"One or two other radar bright features that could be outcrops on the
surface are also visible."
The next visit of asteroid 1998 WT24 to Earth's neighborhood will be on
Nov. 11, 2018, when it will make a distant pass at about 12.5-million
miles (52 lunar distances).
Naidu noted JPL's asteroid radar team is also preparing to observe asteroid
2003 SD220, which will make its closest approach on Dec. 24 at about 28
lunar distances.
"From optical observations, we know it could be anything between a few
hundred meters and a few kilometers wide and that it is on NASA's list
as a potential human-accessible target, said Naidu. "But that is about
it. Using radar, we should be able to see the shape of the object. For
me, that is what makes this job so exciting. Every time we observe 
something,
we are seeing something nobody has ever seen. We are making an unknown
known, and as a scientist what can be better than that?"
Radar is a powerful technique for studying an asteroid's size, shape,
rotation, surface features and surface roughness, and for improving the
calculation of asteroid orbits. Radar measurements of asteroid distances
and velocities often enable computation of asteroid orbits much further
into the future than would be possible otherwise.
NASA places a high priority on tracking asteroids and protecting our home
planet from them. In fact, the U.S. has the most robust and productive
survey and detection program for discovering near-Earth objects (NEOs).
To date, U.S. assets have discovered about 98 percent of known NEOs.
In addition to the resources NASA puts into understanding asteroids, it
also partners with other U.S. government agencies, university-based 
astronomers,
and space science institutes across the country, often with grants, 
interagency
transfers and other contracts from NASA, and also with international space
agencies and institutions that are working to track and better understand
these objects. In addition, NASA values the work of numerous highly skilled
amateur astronomers, whose accurate observational data helps improve 
asteroid
orbits after they are found.
JPL hosts the Center for Near-Earth Object Studies for NASA's Near-Earth
Object Observations Program within the agency's Science Mission Directorate.
More information about asteroids and near-Earth objects is at these sites:
http://neo.jpl.nasa.gov
http://www.jpl.nasa.gov/asteroidwatch
Media Contact
DC Agle
Jet Propulsion Laboratory, Pasadena, Calif.
818-393-9011
agle at jpl.nasa.gov
Charles Blue
National Radio Astronomy Observatory
434.296.0314
cblue at nrao.edu
2015-380
------------------------------
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End of Meteorite-list Digest, Vol 153, Issue 19
*********************************************** 
Received on Fri 18 Dec 2015 08:13:16 AM PST


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