Tombigbee River meteorite (A-F; DeSotoville meteorite), Choctaw Co., Alabama, USAi
| Regional Level Types | |
|---|---|
| Tombigbee River meteorite (A-F; DeSotoville meteorite) | Meteorite Fall Location |
| Choctaw Co. | County |
| Alabama | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° 14' North , 88° 12' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Deposit first discovered:
1859
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lisman | 505 (2017) | 10.6km |
| Pennington | 210 (2017) | 13.8km |
| Butler | 1,798 (2017) | 16.1km |
| Myrtlewood | 124 (2017) | 23.6km |
| Bellamy | 543 (2011) | 24.8km |
Iron meteorite, anomalous hexahedrite (IIG)
Find 1867, 43 kg
Six separate masses of Fe-Ni metal (Ni ~ 4-5%) were found in Choctaw and Sumter counties from 1859-1886 (a line 16 km long). Fragments weighed between 0.757 and 11.976 kg. A kamacite matrix accompanied by schreibersite ribbons is quite common, but the separate masses — often heavily weathered — are not entirely homogeneous. A few troilite nodules are sometimes embedded in the much more abundant schreibersite. While the predominant structure is that of a hexahedrite, minor amounts of taenite and plessite are also present. While in space Tombigbee River experienced both severe shock and some uneven annealing. Once on earth at least one of the recovered pieces has been exposed to artificial heating.
Tombigbee River was the first to be recovered and remains the most massive of the small IIG iron meteorite group with only six known members.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
Meteorite/Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Iron Formula: Fe Description: Two generations of Neumann bands are present. Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ Iron var. Kamacite Formula: (Fe,Ni) Description: Two generations of Neumann bands are present. Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ 'Limonite' Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ 'Plessite' Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ Schreibersite Formula: (Fe,Ni)3P Description: Schreibersite lamellae are distorted by shock and rhabdites are abundant. Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ Taenite Formula: (Fe,Ni) Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
| ⓘ Troilite Formula: FeS Reference: Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Iron | 1.AE.05 | Fe |
| ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
| ⓘ | Schreibersite | 1.BD.05 | (Fe,Ni)3P |
| ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Plessite' | - | |
List of minerals for each chemical element
| P | Phosphorus | |
|---|---|---|
| P | ⓘ Schreibersite | (Fe,Ni)3P |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Fe | Iron | |
| Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Fe | ⓘ Schreibersite | (Fe,Ni)3P |
| Fe | ⓘ Taenite | (Fe,Ni) |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Iron | Fe |
| Ni | Nickel | |
| Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Schreibersite | (Fe,Ni)3P |
| Ni | ⓘ Taenite | (Fe,Ni) |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Buchwald, V. F. (1975) Handbook of Iron Meteorites. University of California Press. 1418 pages.
Malvin, D.J., Wang, D. & Wasson, J.T., 1984. Chemical classification of iron meteorites, X—Multielement studies of 43 irons, resolution of group IIIE from IIIAB, and evaluation of Cu as a taxonomic parameter. Geochim. Cosmochim. Acta 48, 785–804.
Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.
Wasson, J.T. & Choi, W.-H. (2009). The IIG iron meteorites: Probable formation in the IIAB core. Geochim. Cosmochim. Acta 73, 4879–4890.
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