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Kayakent meteorite, Günyüzü District, Eskişehir Province, Turkeyi
| Regional Level Types | |
|---|---|
| Kayakent meteorite | Meteorite Fall Location |
| Günyüzü District | District |
| Eskişehir Province | Province |
| Turkey | Country |
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Latitude & Longitude (WGS84):
39° 15' 48'' North , 31° 46' 48'' East
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Sivrihisar | 10,535 (2012) | 29.6km |
| Polatlı | 93,262 (2012) | 46.7km |
| Yunak | 14,050 (2012) | 50.1km |
Iron meteorite, octahedrite (IIIAB, Om)
Fell, April 1961; 85 kg
In 1967 a metallic mass was recovered near Kayakent in central Turkey which villagers reported as having fallen several years before. The meteorite surface displays mild weathering features which presumably occurred during the rainy seasons while the meteorite had been left outside. The meteorite — dimensions 30.5 x 26 x 25.5 cm — is covered with regmaglypts and its black fusion crust is still intact in many places. In etched sections kamacite is prominent as long lamellae within the Widmanstätten structure with taenite and plessite covering ~30% of the surface. Schreibersite is common as boundary precipitates and as small blebs inside plessite fields. A small amount of troilite and chromite are also present. Magnetite and wüstite are found in the fusion crust. Cosmic ray exposure ages of ~400 million years are reported.
Kayakent is one of 11 witnessed IIIAB meteorite falls. As of late 2014 the IIIAB irons constituted about 27% of all recovered iron meteorites listed at the Meteoritical Society's 'Meteoritical Bulletin Database'. The main mass has been with the Department of Astronomy, Ege University in Izmir, Turkey.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 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:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 Description: Primary constituents of Reichenbach lamellae. |
| ⓘ 'Limonite' Description: Terrestrial weathering product found mostly near the surface. |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Native Iron Formula: Fe Description: Kamacite is shock-hardened and decorated with minute phosphide precipitates. |
| ⓘ Native Iron var. Kamacite Formula: (Fe,Ni) Description: Kamacite is shock-hardened and decorated with minute phosphide precipitates. |
| ⓘ Native Iron var. Martensite Formula: Fe |
| ⓘ 'Plessite' |
| ⓘ Schreibersite Formula: (Fe,Ni)3P |
| ⓘ Taenite Formula: (Fe,Ni) |
| ⓘ Troilite Formula: FeS |
| ⓘ Wüstite Formula: FeO |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native 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 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Wüstite | 4.AB.25 | FeO |
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
| ⓘ | 'Plessite' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Wüstite | FeO |
| P | Phosphorus | |
| P | ⓘ Schreibersite | (Fe,Ni)3P |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Native Iron | Fe |
| Fe | ⓘ Native Iron var. Kamacite | (Fe,Ni) |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Schreibersite | (Fe,Ni)3P |
| Fe | ⓘ Taenite | (Fe,Ni) |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Wüstite | FeO |
| Fe | ⓘ Native Iron var. Martensite | Fe |
| Ni | Nickel | |
| Ni | ⓘ Native Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Schreibersite | (Fe,Ni)3P |
| Ni | ⓘ Taenite | (Fe,Ni) |
Other Regions, Features and Areas containing this locality
Anatolia PlateTectonic Plate
AsiaContinent
Eurasian Plate
- Anatolide-Tauride MountainsAccretionary Complex
Turkey
- ⭔Central Anatolia RegionRegion
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