Misteca meteorite, Sola de Vega Municipality, Oaxaca, Mexicoi
Regional Level Types | |
---|---|
Misteca meteorite | Meteorite Fall Location |
Sola de Vega Municipality | Municipality |
Oaxaca | State |
Mexico | Country |
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Latitude & Longitude (WGS84):
16° 48' 0'' North , 97° 5' 59'' West
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
San Sebastián Río Dulce | 413 (2018) | 1.4km |
Las Juntas | 226 (2018) | 3.0km |
San Pedro el Alto | 821 (2018) | 5.1km |
Las Huertas | 171 (2018) | 5.2km |
San Andrés | 331 (2014) | 7.1km |
Mindat Locality ID:
266237
Long-form identifier:
mindat:1:2:266237:7
GUID (UUID V4):
3aca5413-26d0-4fea-a8b4-a3d472671738
Iron meteorite, ungrouped (Iron, ung., Og)
Find, 1804; 10 kg
An ~10-11 kg mass of meteoritic iron was found, heated to perhaps 1000°C, sectioned, distributed to various museums and vendors, and sometimes mislabeled. The octahedral iron is characterized by 'mottled' (heat altered) kamacite, taenite, and schreibersite which have been only partially transformed. Cavities apparently due to heated and melted troilite and graphite are present, but most if not all of the original troilite and graphitic matter are apparently lost. It is perhaps, then, not surprising that Choi et al. (1995) reclassified Misteca as an ungrouped iron — removing it from an earlier IIICD classification — but whether Misteca's heat-treated metal sufficiently represents its original pre-terrestrial condition to be meaningfully classified might be an open question.
Buchwald (1975) has presented a thorough treatment of Misteca and several Mexican irons — including two other irons from Oaxaca (Apoala, IIAB 1889 find; Yanhuitlan, IIIAB 1825 find). To the extent possible, he has untangled some of the various effects of pre-terrestrial shocks, artificial heating, and careless bookkeeping.
Misteca is one of 117 ungrouped iron meteorites (~10% of all classified irons) listed with the Meteoritical Bulletin Database as of early September 2015. Masses of 1-2 kg have been held at the Naturhistorisches Museum in Vienna, the Hungarian National History Museum in Budapest, and the Museum für Naturkunde in Berlin.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 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 |
ⓘ Iron var. Kamacite Formula: (Fe,Ni) |
ⓘ Iron var. Martensite Formula: Fe |
ⓘ 'Plessite' |
ⓘ Schreibersite Formula: (Fe,Ni)3P |
ⓘ Taenite Formula: (Fe,Ni) |
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) |
ⓘ | var. Martensite | 1.AE.05 | Fe |
ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
ⓘ | Schreibersite | 1.BD.05 | (Fe,Ni)3P |
Unclassified | |||
ⓘ | 'Plessite' | - |
List of minerals for each chemical element
P | Phosphorus | |
---|---|---|
P | ⓘ Schreibersite | (Fe,Ni)3P |
Fe | Iron | |
Fe | ⓘ Iron | Fe |
Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
Fe | ⓘ Schreibersite | (Fe,Ni)3P |
Fe | ⓘ Taenite | (Fe,Ni) |
Fe | ⓘ Iron var. Martensite | Fe |
Ni | Nickel | |
Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
Ni | ⓘ Schreibersite | (Fe,Ni)3P |
Ni | ⓘ Taenite | (Fe,Ni) |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
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