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Northwest Africa 725 meteorite (NWA 725), Tissemoumine, Alnif Cercle, Tinghir Province, Drâa-Tafilalet Region, Moroccoi
| Regional Level Types | |
|---|---|
| Northwest Africa 725 meteorite (NWA 725) | Meteorite Fall Location |
| Tissemoumine | - not defined - |
| Alnif Cercle | Cercle |
| Tinghir Province | Province |
| Drâa-Tafilalet Region | Region |
| Morocco | Country |
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Latitude & Longitude (WGS84):
30° 36' 7'' North , 5° 9' 32'' West
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Jebel Tiskaouine | 1,197 (2017) | 47.4km |
Other/historical names associated with this locality:
NWA 725
An unusual achondrite meteorite with a reduced mineral assemblage. Stephant et al. (2022) considered NWA 725 and other "primitive winonaites" to be members of a distinct class of meteorites, termed "tissemouminites", of which NWA 725 is considered the type example. NWA 725 contains relict chondrules and exhibits relatively high porosity of ~10% (Zeng et al., 2019).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
10 valid minerals.
Meteorite/Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
| ⓘ Diopside Formula: CaMgSi2O6 |
| ⓘ Enstatite Formula: Mg2Si2O6 |
| ⓘ Forsterite Formula: Mg2(SiO4) |
| ⓘ Goethite Formula: Fe3+O(OH) References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
| ⓘ Merrillite Formula: Ca9NaMg(PO4)7 References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
| ⓘ Native Iron Formula: Fe References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
| ⓘ Nickelphosphide Formula: (Ni,Fe)3P References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
| ⓘ Troilite Formula: FeS References: Carnegie Museum of Natural History analysisIdentified by Chris Emproto: SEM-EDS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Iron | 1.AE.05 | Fe |
| ⓘ | Nickelphosphide | 1.BD.05 | (Ni,Fe)3P |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Merrillite | 8.AC.45 | Ca9NaMg(PO4)7 |
| Group 9 - Silicates | |||
| ⓘ | Forsterite | 9.AC.05 | Mg2(SiO4) |
| ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Enstatite | Mg2Si2O6 |
| O | ⓘ Forsterite | Mg2(SiO4) |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Mg | Magnesium | |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Enstatite | Mg2Si2O6 |
| Mg | ⓘ Forsterite | Mg2(SiO4) |
| Mg | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Enstatite | Mg2Si2O6 |
| Si | ⓘ Forsterite | Mg2(SiO4) |
| P | Phosphorus | |
| P | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| P | ⓘ Nickelphosphide | (Ni,Fe)3P |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Ca | Calcium | |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Native Iron | Fe |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Nickelphosphide | (Ni,Fe)3P |
| Ni | Nickel | |
| Ni | ⓘ Nickelphosphide | (Ni,Fe)3P |
Other Regions, Features and Areas containing this locality
AfricaContinent
- Sahara DesertDesert
African PlateTectonic Plate
- Tindouf basinBasin
- West African CratonCraton
- Anti-Atlas Pan-African BeltOrogenic Belt
Northwest Africa MeteoritesGroup of Meteorite Fall Locations
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References
Zeng, Xiaojia, Shang, Yingli, Li, Shijie, Li, Xiongyao, Wang, Shijie, Li, Yang (2019) The layered structure model for winonaite parent asteroid implicated by textural and mineralogical diversity. Earth, Planets and Space, 71 (1) doi:10.1186/s40623-019-1015-9
Stephant, A.; Carli, C.; Anand, M.; Néri, A.; Davidson, J.; Pratesi, G.; Cuppone, T.; Greenwood, R.C.; Franchi, I.A. (2022) Tissemouminites: A new group of primitive achondrites spanning the transition between acapulcoites and winonaites. Meteoritics and Planetary Science, 58 (1). p.111-134. doi:10.1111/maps.13944
Northwest Africa 725 meteorite, Tissemoumine, Alnif Cercle, Tinghir Province, Drâa-Tafilalet Region, Morocco