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Lewis Cliff 87009 meteorite, Lewis Cliff, Buckley Island quadrangle, Eastern Antarctica, Antarcticai
| Regional Level Types | |
|---|---|
| Lewis Cliff 87009 meteorite | Meteorite Fall Location |
| Lewis Cliff | Cliff |
| Buckley Island quadrangle | Quadrangle |
| Eastern Antarctica | Region |
| Antarctica | Continent |
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Latitude & Longitude (WGS84):
84° 21' 24'' South , 161° 17' 29'' East
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Other/historical names associated with this locality:
LEW 87009
Carbonaceous chondrite (CK6; S3; W1)
Find, 1982; 50.5 g
A single stone, still largely covered by its fusion crust was recovered. The hand specimen has no obvious chondrules or clasts. The matrix lacks chondritic structure and is mostly a coarse-grained aggregate of olivine (Fa31), pyroxene (Fs12Wo44) with minor plagioclase (An44-48). Minor opaques are mostly 10-30 µm blebs of magnetite with lesser, trace amounts of pentlandite and pyrite. Glassy veins are indicative of pre-terrestrial, but post-formational shock.
The CK (Karoonda-like) carbonaceous chondrites are one of 8 currently recognized carbonaceous chondrite groups. CK chondrites are distinguished by abundant fine-grained matrix, mm-sized chondrules, occasional refractory inclusions, and a high degree of oxidation. Like LEW 87009, most CK chondrites have been metamorphosed to type 4 or higher.
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:
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Description: Augite (Fs12Wo44) is the only pyroxene reported in the brief AMN & Atlas of Meteorites descriptions. |
| ⓘ 'Fayalite-Forsterite Series' Description: Olivine Composition Fa31. |
| ⓘ 'Glass' |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ Pentlandite Formula: (NixFey)Σ9S8 |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Description: Albitic plagioclase (An44-48) [Andesine] is only a minor component. |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pentlandite | 2.BB.15 | (NixFey)Σ9S8 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 9 - Silicates | |||
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Unclassified | |||
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Glass' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Al | Aluminium | |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| S | Sulfur | |
| S | ⓘ Pentlandite | (NixFey)Σ9S8 |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Fe | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Fayalite-Forsterite Series | |
| Ni | Nickel | |
| Ni | ⓘ Pentlandite | (NixFey)Σ9S8 |
Other Regions, Features and Areas containing this locality
Antarctic MeteoritesGroup of Meteorite Fall Locations
Antarctic PlateTectonic Plate
- Ross Orogen
- Central Transantarctic MountainsOrogenic Belt
Antarctica
- Transantarctic MountainsMountain Range
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