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Tissint Martian meteorite, Tata Cercle, Tata Province, Souss-Massa Region, Moroccoi
Regional Level Types
Tissint Martian meteoriteMeteorite Fall Location
Tata CercleCercle
Tata ProvinceProvince
Souss-Massa RegionRegion
MoroccoCountry

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Latitude & Longitude (WGS84):
29° 28' 54'' North , 7° 36' 38'' West
Latitude & Longitude (decimal):
Köppen climate type:
Mindat Locality ID:
237014
Long-form identifier:
mindat:1:2:237014:2
GUID (UUID V4):
53225c89-a1cd-42d1-9de8-58dfa3b69145


Stone, Achondrite, Martian (Shergottite).
Depleted picritic shergottite similar to EETA79001, lithology A.
Witnessed fall 18 July 2011, 2:00 AM. Total known weight >7 kg.

Several locals observed a bright fireball in the Oued Drâa Valley 50 km east-southeast of Tata. Initially no stones were recovered, but after diligent searches by nomads, finally, in October 2011 several glassy black fusion crusted stones were recovered. Due to the lack of terrestrial weathering, we can be fairly certain the stones recovered here are from this fall. Several hundred stones from 0.1 g to over 1 kg have been recovered with estimates of the total recovered weight varying from 7 to 20 kg.
A 908,7 g heavy piece is on display in the Natural History Museum Vienna.

This is the fifth recovered witnessed Martian meteorite fall. It is an olivine-phyric shergottite that is related to and possibly launched paired with SaU 005 (plus parings), NWA 1195, NWA 2046 NWA 2626, NWA 4925, NWA 5789, NWA 6162, DaG 476 (plus parings) and Yamato 980459.
While most of the meteorite fragments were not recovered for two+ months after the fall, the meteorite shows minimal indications of terrestrial weathering.

Because of the fractured maskelynite (~20 vol%)and other delicate features from preterrestrial Martian impacts remain almost entirely intact (Balt et al., 2015). Following a similar line of argument, some isotopic signatures [light carbon (low in C-13) associated with Deuterium-enriched hydrogen (δD up to +1183‰)] of organic carbon in shock-melt veins are difficult to account for in terms of known carbonaceous chondrites and other possible abiotic sources. Thus, Lin et al. (2014) have again raised the possibility of biogenic carbon in a Martian meteorite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


21 valid minerals. 3 (TL) - type locality of 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 Diagram

Detailed Mineral List:

Ahrensite (TL)
Formula: SiFe2O4
Type Locality:
Akimotoite
Formula: (Mg,Fe2+)SiO3
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Bridgmanite
Formula: (Mg,Fe)SiO3
Chenmingite (TL)
Formula: FeCr2O4
Type Locality:
Chromite
Formula: Fe2+Cr3+2O4
Description: Usually or always very small crystals [< 10 µm](Balta et al., 2015)
'Fayalite-Forsterite Series'
Description: Olivine ranges from Mg-rich core (max Mg#81) to Fe-rich rims (min Mg#27)[Balta et al., 2015]
References:
Ilmenite
Formula: Fe2+TiO3
Keplerite
Formula: Ca9(Ca0.50.5)Mg(PO4)7
Lingunite
Formula: (Na,Ca)AlSi3O8
Magnetite
Formula: Fe2+Fe3+2O4
Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
Majorite
Formula: Mg3(MgSi)(SiO4)3
'Maskelynite'
Description: Compositional range An68Ab42Or1 to An47Ab48Or5 observed by Balta et al. (2015)
Merrillite
Formula: Ca9NaMg(PO4)7
'Orthopyroxene Subgroup'
Description: Some Mg-rich cores reported as orthopyroxene.
Perovskite
Formula: CaTiO3
Description: vitrified
Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Ringwoodite
Formula: (Mg,Fe2+)2SiO4
References:
Stishovite
Formula: SiO2
Tissintite (TL)
Formula: (Ca,Na,◻)AlSi2O6
Type Locality:
Tuite
Formula: Ca3(PO4)2
Ulvöspinel
Formula: TiFe2+2O4
Description: Cocrystallization of ulvöspinel & ilmenite
'UM2004-47-SiO:AlCaNa' ?
Formula: (Na,Ca)(Si,Al)6O11
'Unnamed (Magnesium (Iron Calcium) Trisilicate)'
Formula: (Mg,Fe,Ca)4Si3O10
Wüstite
Formula: FeO
Wüstite var. Magnesiowüstite
Formula: FeO

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
Wüstite4.AB.25FeO
var. Magnesiowüstite4.AB.25FeO
Chenmingite (TL)4.BB.FeCr2O4
Magnetite
var. Titanium-bearing Magnetite
4.BB.05Fe2+(Fe3+,Ti)2O4
4.BB.05Fe2+Fe3+2O4
Ulvöspinel4.BB.05TiFe2+2O4
Chromite4.BB.05Fe2+Cr3+2O4
Akimotoite4.CB.05(Mg,Fe2+)SiO3
Ilmenite4.CB.05Fe2+TiO3
Perovskite4.CC.30CaTiO3
Stishovite4.DA.40SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Tuite8.AC.45Ca3(PO4)2
Merrillite8.AC.45Ca9NaMg(PO4)7
Keplerite8.AD.Ca9(Ca0.50.5)Mg(PO4)7
Group 9 - Silicates
Ahrensite (TL)9.AC.SiFe2O4
Ringwoodite9.AC.15(Mg,Fe2+)2SiO4
Majorite9.AD.25Mg3(MgSi)(SiO4)3
Pigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Tissintite (TL)9.DA.25(Ca,Na,◻)AlSi2O6
Lingunite9.FA.70(Na,Ca)AlSi3O8
Bridgmanite9.H0.(Mg,Fe)SiO3
Unclassified
'UM2004-47-SiO:AlCaNa' ?-(Na,Ca)(Si,Al)6O11
'Maskelynite'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Orthopyroxene Subgroup'-
'Pyroxene Group'-ADSi2O6
'Fayalite-Forsterite Series'-
'Unnamed (Magnesium (Iron Calcium) Trisilicate)'-(Mg,Fe,Ca)4Si3O10

List of minerals for each chemical element

HHydrogen
H ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O ChromiteFe2+Cr23+O4
O IlmeniteFe2+TiO3
O MagnetiteFe2+Fe23+O4
O MajoriteMg3(MgSi)(SiO4)3
O PerovskiteCaTiO3
O Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
O Ringwoodite(Mg,Fe2+)2SiO4
O StishoviteSiO2
O Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
O UlvöspinelTiFe22+O4
O WüstiteFeO
O MerrilliteCa9NaMg(PO4)7
O Akimotoite(Mg,Fe2+)SiO3
O Pyroxene GroupADSi2O6
O TuiteCa3(PO4)2
O Lingunite(Na,Ca)AlSi3O8
O ApatiteCa5(PO4)3(Cl/F/OH)
O Wüstite var. MagnesiowüstiteFeO
O Tissintite(Ca,Na,◻)AlSi2O6
O AhrensiteSiFe2O4
O Bridgmanite(Mg,Fe)SiO3
O ChenmingiteFeCr2O4
O KepleriteCa9(Ca0.50.5)Mg(PO4)7
O UM2004-47-SiO:AlCaNa(Na,Ca)(Si,Al)6O11
O Unnamed (Magnesium (Iron Calcium) Trisilicate)(Mg,Fe,Ca)4Si3O10
FFluorine
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na MerrilliteCa9NaMg(PO4)7
Na Lingunite(Na,Ca)AlSi3O8
Na Tissintite(Ca,Na,◻)AlSi2O6
Na UM2004-47-SiO:AlCaNa(Na,Ca)(Si,Al)6O11
MgMagnesium
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg MajoriteMg3(MgSi)(SiO4)3
Mg Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Ringwoodite(Mg,Fe2+)2SiO4
Mg MerrilliteCa9NaMg(PO4)7
Mg Akimotoite(Mg,Fe2+)SiO3
Mg Bridgmanite(Mg,Fe)SiO3
Mg KepleriteCa9(Ca0.50.5)Mg(PO4)7
Mg Unnamed (Magnesium (Iron Calcium) Trisilicate)(Mg,Fe,Ca)4Si3O10
AlAluminium
Al Lingunite(Na,Ca)AlSi3O8
Al Tissintite(Ca,Na,◻)AlSi2O6
Al UM2004-47-SiO:AlCaNa(Na,Ca)(Si,Al)6O11
SiSilicon
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si MajoriteMg3(MgSi)(SiO4)3
Si Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Ringwoodite(Mg,Fe2+)2SiO4
Si StishoviteSiO2
Si Akimotoite(Mg,Fe2+)SiO3
Si Pyroxene GroupADSi2O6
Si Lingunite(Na,Ca)AlSi3O8
Si Tissintite(Ca,Na,◻)AlSi2O6
Si AhrensiteSiFe2O4
Si Bridgmanite(Mg,Fe)SiO3
Si UM2004-47-SiO:AlCaNa(Na,Ca)(Si,Al)6O11
Si Unnamed (Magnesium (Iron Calcium) Trisilicate)(Mg,Fe,Ca)4Si3O10
PPhosphorus
P MerrilliteCa9NaMg(PO4)7
P TuiteCa3(PO4)2
P ApatiteCa5(PO4)3(Cl/F/OH)
P KepleriteCa9(Ca0.50.5)Mg(PO4)7
SSulfur
S PyrrhotiteFe1-xS
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca PerovskiteCaTiO3
Ca Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca MerrilliteCa9NaMg(PO4)7
Ca TuiteCa3(PO4)2
Ca Lingunite(Na,Ca)AlSi3O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Tissintite(Ca,Na,◻)AlSi2O6
Ca KepleriteCa9(Ca0.50.5)Mg(PO4)7
Ca UM2004-47-SiO:AlCaNa(Na,Ca)(Si,Al)6O11
Ca Unnamed (Magnesium (Iron Calcium) Trisilicate)(Mg,Fe,Ca)4Si3O10
TiTitanium
Ti IlmeniteFe2+TiO3
Ti PerovskiteCaTiO3
Ti Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Ti UlvöspinelTiFe22+O4
CrChromium
Cr ChromiteFe2+Cr23+O4
Cr ChenmingiteFeCr2O4
FeIron
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe ChromiteFe2+Cr23+O4
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe PyrrhotiteFe1-xS
Fe Ringwoodite(Mg,Fe2+)2SiO4
Fe Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Fe UlvöspinelTiFe22+O4
Fe WüstiteFeO
Fe Akimotoite(Mg,Fe2+)SiO3
Fe Wüstite var. MagnesiowüstiteFeO
Fe AhrensiteSiFe2O4
Fe Bridgmanite(Mg,Fe)SiO3
Fe ChenmingiteFeCr2O4
Fe Unnamed (Magnesium (Iron Calcium) Trisilicate)(Mg,Fe,Ca)4Si3O10

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Tissint_meteorite
Wikidata ID:Q3333926

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate
North Africa
Northwest Africa MeteoritesGroup of Meteorite Fall Locations

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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