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Steingarden Nunataks site, Queen Maud Land, Eastern Antarctica, Antarcticai
| Regional Level Types | |
|---|---|
| Steingarden Nunataks site | Group of Meteorite Fall Locations |
| Queen Maud Land | Region |
| Eastern Antarctica | Region |
| Antarctica | Continent |
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Type:
Group of Meteorite Fall Locations
Other/historical names associated with this locality:
Queenmet site
The Steingarden Nunataks site (Queenmet site) is located on blue ice fields to the SE of the Wohlthat Massiv at a distance of about 160 km from the Lazarev meteorite find site.
It is characterised by large blue ice fields and the presence of several nunataks, which rise by in general less than 100 m above the ice surface. The ice surface of the Steingarden Nunataks site slopes gently to the northwest in direction to a large ice stream that proceeds from the Polar Plateau between Payer Mountains and the Steingarden Nunataks site toward the coast. The site itself can be described in general terms to be dominated by a gentle topographic step connecting two unnamed nunataks, which separates ice at a higher elevation to the east in comparison to snow and ice fields to the west. The southern nunatak is located at 72°23.5′ S, 16° E, the northern one at 72°13′ S, 16°8′ E. The ice surface along this topographic step is divided into modest ice depressions and ice rises, presumably indicating hummocky bedrock topography. The presence of numerous patchy blue ice fields is probably caused by sub-ice rises.
As a result of a search campaign, carried out by the Bundesanstalt für Geowissenschaften und Rohstoffe (BGR) of Germany during the Antarctic summer field season 2007/08, 15 meteorites (consisting of 14 stony meteorites and a 32.6 kg iron meteorite) were found at the Steingarden Nunataks site, the majority of them on blue ice on the upper side of a topographic step at an elevation of on average 2475 m a.s.l. (Delisle et al., 2015). In particular, seven meteorite find locations (find sites 2–7, 11) in the Steingarden Nunataks area are closely spaced and tied to one ice ridge complex, while the rest of the find sites are widely dispersed.
The meteorites received the official name "Steingarden Nunataks" (STG) from the Meteoritical Society Nomenclature Committee (Meteoritical Bulletin 102).
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities7 valid minerals.
Meteorite/Rock Types Recorded
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Meteorite/Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
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) |
| ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
| ⓘ | Schreibersite | 1.BD.05 | (Fe,Ni)3P |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Whitlockite | 8.AC.45 | Ca9Mg(PO4)6(PO3OH) |
| Group 9 - Silicates | |||
| ⓘ | Forsterite | 9.AC.05 | Mg2SiO4 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Maskelynite' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Plessite' | - | |
| ⓘ | 'Glass' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Low-calcium pyroxene' | - | |
| ⓘ | 'High-calcium pyroxene' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Whitlockite | Ca9Mg(PO4)6(PO3OH) |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Forsterite | Mg2SiO4 |
| O | ⓘ Whitlockite | Ca9Mg(PO4)6(PO3OH) |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Forsterite | Mg2SiO4 |
| Mg | ⓘ Whitlockite | Ca9Mg(PO4)6(PO3OH) |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Forsterite | Mg2SiO4 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Schreibersite | (Fe,Ni)3P |
| P | ⓘ Whitlockite | Ca9Mg(PO4)6(PO3OH) |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | Calcium | |
| Ca | ⓘ Whitlockite | Ca9Mg(PO4)6(PO3OH) |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| 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 | ⓘ Schreibersite | (Fe,Ni)3P |
| Fe | ⓘ Taenite | (Fe,Ni) |
| Ni | Nickel | |
| Ni | ⓘ Native Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Schreibersite | (Fe,Ni)3P |
| Ni | ⓘ Taenite | (Fe,Ni) |
Localities in this Region
- Eastern Antarctica
- Queen Maud Land
- Eastern Antarctica
- Queen Maud Land
- Steingarden Nunataks site
- Queen Maud Land
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References
