Oyo LL4 Meteorite Chondrite OYO meteorite

Description

OYO
This meteorite is officially classified & approved
as Oyo LL4 chondrite meteorite
Classified by
world renowned and profoundly respected Dr Anthony J. Irving and team at University of Washington.
OYO
LL4 CHONDRITE
FOUND IN JANUARY 2019
IN NORTH EAST OF THE TOWN OF OYO
NIGERIA
COORDINATES
7.877°N, 3.963°E
192 GRAMS
THE BUYER WILL GET A 192 GRAMS SLICE OF OYO LL4 METEORITE END CUT AS SHOWN IN PHOTOS
IN A LABELLED DISPLAY BOX COMBINED WITH CERTIFICATE OF AUTHENTICITY
GUARANTEED AUTHENTICITY
YOU ARE BUYING 100% A GUARANTEED AUTHENTIC METEORITE
You will get slice of 31 gram combined with a signed certificate of authenticity
First express class delivery and provenance provided.
I SHIP WORLDWIDE WITH DHL, UPS OR SIMILAR EXPRESS SERVICE, TRACKED & TRACED
This Items will not include any reference and will be posted as a "Gift" for Customs purposes
TRULY A BEAUTIFUL MUSEUM QUALITY SHOWPIECE
FRESH FUSION CRUST WITH  VELVETY TEXTURE AND TONS OF CONTRACTION CRACKS
OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABA
SE
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Oyo
Basic information
Name:
Oyo
This is an OFFICIAL meteorite name.
Abbreviation:
There is no official abbreviation for this meteorite.
Observed fall:
No
Year found:
2019
Country:
Nigeria
Mass:
1975 g
Classification
history:
Recommended:
LL4
Comments:
Approved 5 Sep 2020
Writeup
Writeup from MB 109:
Oyo
7.877°N, 3.963°E
Oyo, Nigeria
Find: 2019 Jan
Classification: Ordinary chondrite (LL4)
History
: Three similar-appearing stones were found together 4.4 km NE of the town of Oyo, Nigeria at 7.877°N, 3.963°E and were purchased from the finder by Mbark Arjdal in January 2019.
Petrography
: (A. Irving,
UWS
and P. Carpenter,
WUSL
) Closely packed, well-formed chondrules are set in a sparse matrix containing altered kamacite, taenite, chromite, troilite and merrillite.
Geochemistry
: Olivine (Fa
28.3±0.2
, range Fa
28.1-28.5
, N = 6), low-Ca pyroxene (Fs
23.4±0.5
Wo
1.6±0.3
, range Fs
23.0-24.3
Wo
1.4-2.0
, N = 6), augite (Fs
8.3±0.3
Wo
45.4±0.1
, range Fs
8.0-8.5
Wo
45.3-45.5
, N = 3). Magnetic susceptibility log χ (× 10
-9
m
3
/kg) = 3.41.
Classification
: Ordinary chondrite (LL4).
Specimens
: 54.2 g including one polished thin section at
UWB
; remainder with Mr. M.Arjdal.
Data from:
MB109
Table 0
Line 0:
State/Prov/County:
Oyo
Place of purchase:
Nigeria
Date:
2019 Jan
Latitude:
7.877°N
Longitude:
3.963°E
Mass (g):
1975
Pieces:
3
Class:
LL4
Shock stage:
S2
Weathering grade:
W2
Fayalite (mol%):
28.3±0.2
Ferrosilite (mol%):
23.4±0.5
Wollastonite (mol%):
1.6±0.3
Magnetic suscept.:
3.41
Classifier:
A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):
54.2
Type spec location:
UWB
Main mass:
M. Arjdal
Comments:
Work name Arj ZM 337; submitted by A. Irving
Institutions
and collections
UWS
: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL
: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB
: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
Catalogs:
References:
Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:
Coordinates:
Recommended:
:
(7° 52' 37"N, 3° 57' 47"E)
Statistics:
This is 1 of 2 approved meteorites from
Oyo, Nigeria
This is 1 of 21 approved meteorites from
Nigeria
Revision
history:
This lists important revisions made to data for this record.