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Unique
date in the history of meteorites!
Debris from Asteroid 2008 TC3!
Ultra rarely special meteorite
material!
Almahata Sitta-
Asteroid 2008 TC3 -
20°43.04'N,
32°30.58'E /
20°46.15N, 32°17.96'E
Country:
(“Station
6” in Arabic), Nahr an Nil, Nubian Desert, Sudan
Stone:
Achondrite (ureilite, polymict, anomalous)
Fall:
7 October 2008, 05:46 h local time (UT+3)
Approx.
recovered weight:
3950g ; 47
pieces;
~ultra rarely~
LAGEST RESULTS
Asteroid TC3:
NOT ONLY A
UREILITIC METEORITE, BUT A BRECCIA CONTAINING
MANY DIFFERENT ACHONDRITIC AND CHONDRITIC LITHOLOGIES!
Almahata Sitta
- Asteroid 2008 TC3 - "Forecasting
Witness Fall"
Reported:
Meteoritical
Bulletin Database No. 96, 2009
History:
On October 6, 2008, a small asteroid called 2008 TC3 was discovered by the
automated Catalina Sky Survey 1.5 m telescope at Mount Lemmon, Tucson, Arizona,
and found to be on a collision course with Earth.
Numerous astronomical
observatories followed the object until it entered the Earth’s umbra at Oct.
7.076 UTC the next day. The astrometric position of 295 observations of 2008 TC3
over the period Oct. 6.278 to Oct. 7.063 was used to calculate the approach
trajectory over the impact location in northern Sudan. The object exploded at a
high ~37 km altitude over the Nubian Desert, and as a result the meteorites are
spread over a large area. A search was organized by the University of Khartoum
on Dec. 2–9, led by P. Jenniskens (SETI Institute) and M. H. Shaddad (Khartoum).
Physical characteristics:
During the first expedition, 15 meteorites were found along the approach path of
the asteroid, for a total weight of 563 g. A second field expedition, on Dec.
25–30, added 37 meteorites, for a total recovered weight of 3.95 kg, spread over
an area of 28 × 5 km. The meteorites are dark, thinly crusted, and roundish in
shape, ranging in size from 1–10 cm.
Petrography
(M. Zolensky, JSC, and A.
Steele, CIW): The sample is a fine-grained, fragmental breccia with subrounded
mineral fragments and olivine aggregates embedded in a cataclastic matrix of
ureilitic material. Mineral fragments include polycrystalline olivine, low-Ca
pyroxene, pigeonite and carbon-rich aggregates up to 0.5 mm in maximum dimension,
kamacite, and troilite. The examined samples have considerable porosity; the
pore walls are commonly coated by anhedral to euhedral crystals of low-Ca
pyroxene (Fs2Wo3) and olivine (Fa12–14), and in some instances spherules of
kamacite and botryoidal masses of troilite. Most olivine and pyroxene aggregates
have interstitial silicates with Si-content that increases adjacent to metal
grains. Some clasts consist of rounded pyroxene grains containing an abundant
nanophase Fe-rich mineral. Aggregates of carbonaceous material are common and
measure up to 0.5 mm—these contain fine-grained troilite and kamacite, the
latter containing Si and P. The major carbon phase is graphite. Shock effects
are not apparent.
Mineral compositions and
geochemistry:
Low–Ca pyroxene: Fs2Wo5-Fs17Wo4, Cr2O3 = 0.33–1.02 wt%; pigeonite:
Fs15Wo5-Fs18Wo11, Cr2O3 = 0.72–1.11 wt%), olivine (Fa8–15, CaO = 0.15–0.51 wt%,
Cr2O3 = 0.03– 1.58 wt%). Kamacite is Fe0.92Ni0.08-Fe0.96Ni0.04. Troilite
contains up to 4.3 wt% Cr. Mineral grains exhibit no zoning.
Classification:
Achondrite (ureilite, polymict, anomalous). Anomalous features include lack of
zoning of olivine, large size of carbonaceous aggregates, and overall
fine-grained texture.
Type specimens: Samples with
masses ranging from a few to a few hundred grams for a total of 3.95 kg are on
deposit at Khartoum.
Almahata
Sitta
Note:
I refer my
meteorites directly from the Meteoritehunter. Therefore:
“Authenticity guarantees” always “ 1a goods and Top
quality"
For more information:
http://en.wikipedia.org/wiki/2008_TC3
http://www.oosa.unvienna.org/pdf/pres/stsc2009/tech-25.pdf
http://www.newscientist.com/article/dn16635-first-tracked-space-rock-recovered-after-impact
Description:
Here I offer a
~ultra rarely~ fragment of
the
"Forecasting Witness Fall",
an
Achondrite (ureilite, polymict, anomalous) an
"Unique date in the history of meteorites" and “Debris from asteroid 2008 TC3”!
The first
meteorite that was observed already in space!
Scientists
calculated that the asteroid landed in the south of Sudan. Finally, he ended up
even in the Almahatta Sitta, in
southern Sudan, in the desert.
A success for
the science!
A great asset
for any collection!
Almahata Sitta-Asteroid
2008 TC3
is hard to get
on the Meteorite-Market.
The first
“Forecasting
Witness Fall”
of the world.
The
Almahata Sitta -Ureilite-an-
Achondritic
and Chondritic Lithologies
has a weight of: 0.012gr.
Delivery is
made in an original
collector's box, dimensions: 2.80 x 2.80 cm
Almahata Sitta
-Asteroid 2008 TC3-
"Forecasting Witness Fall"
Discovery
Date: 6 October 2008
Fall:
7 October 2008, 05:46 h local time (UT+3)
~ ultra rarely ~
Almahata Sitta
-
Asteroid 2008 TC3-
-
fresh fusion crust-
Achondrite
-ureilite,
polymict, anomalous-
Achondritic
and Chondritic Lithologies
~ultra rarely~
Almahata Sitta
-
Asteroid 2008 TC3-
weight of: 0.012gr.
Unique
date in the history of meteorites!
Debris from Asteroid 2008 TC3!
~Ultra rarely special meteorite
material!~
A great
chance to add this very
hard to find
item to your
Meteorite’s Collection!
A must for
every connoisseur
Ready for the
collection!
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