FUNDS OF MUSEUM OF METEORITES
|
|
|
Name: |
Northwest Africa 869 (NWA 869)
|
ACCN:
|
Type: |
Chondrite, L3-6 |
Location: |
area of Tindouf, Algeria
|
Coordinates: |
27° 40.5' N, 8° 7.7' W
|
Fall: |
4.4 ± 0.7 × 103 yrs ago
|
Found: |
2000/2001
|
TKW: |
>2 t
|
Chemical Composition: | Regolith breccia, containing solar noble gases and preirradiated lithologies. Olivine in lithic clasts: Fa0.2-49.2; olivine in matrix: Fa10.3-29.3; low-Ca pyroxene in lithic clasts: Fs2.1-35.9; low-Ca pyroxene in matrix: Fs7.0-23.9. Bulk oxygen isotopes: δ17O = 3.52; δ18O = 4.67; Δ17O = 1.09 per mil. |
---|
Weathering grade: | W1, S3 |
---|
Age: |
4402 ± 7 × 106 yrs
|
Additional Information: |
Exact location of meteorite fall strewn field is unknown. |
External References: |
1) Met. Bull. Database 2) Encyclopedia of Meteorites
|
Notes: |
Alternative name: NWA 869 Currently, by total mass (~2t), NWA 869 is the largest stony meteorite discovered on Earth.
|
Exhibit |
Item: |
Full Individual
|
[Image] |
Inventory Code: |
M-NWA869.1 |
Registration Year: |
2017
|
Origin: |
Richard Dreiser collection
|
Size: |
35 × 35 × 29 mm
|
Weight: |
54.4 g
|
Short Description: |
|
Related Items: |
M-NWA869.2, M-NWA869.O3, M-NWA869.O4, M-NWA869.O9
See also: [On sale now] |
Notes: |
|