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Kerimasi volcano, Monduli District, Arusha Region, Tanzaniai
Regional Level Types
Kerimasi volcanoVolcano
Monduli DistrictDistrict
Arusha RegionRegion
TanzaniaCountry

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Latitude & Longitude (WGS84):
2° 52' 4'' South , 35° 56' 57'' East
Latitude & Longitude (decimal):
-2.86801,35.94944
GRN:
S02E25
Type:
Volcano
Köppen climate type:
Aw : Tropical savanna, wet
Nearest Settlements:
PlacePopulationDistance
Mto wa Mbu17,754 (2016)54.7km
Kiratu19,803 (2018)60.5km
Ngorongoro10,836 (2016)65.8km
Mindat Locality ID:
208416
Long-form identifier:
mindat:1:2:208416:2
GUID (UUID V4):
0


Kerimasi is an extinct carbonatite-nephelinite volcano located in the Gregory rift in northern Tanzania.

It is composed of nephelinitic pyroclastic rocks with carbonatite agglomerates and tuffs.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

34 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Anhydrite
Formula: CaSO4
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Baddeleyite
Formula: ZrO2
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Celestine
Formula: SrSO4
ⓘ Cerianite-(Ce)
Formula: (Ce4+,Th)O2
ⓘ 'Clinopyroxene Subgroup'
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorite
Formula: CaF2
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ Franklinite
Formula: Zn2+Fe3+2O4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Glaucochroite
Formula: CaMn2+(SiO4)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Halite
Formula: NaCl
ⓘ Jacobsite
Formula: Mn2+Fe3+2O4
ⓘ Kerimasite (TL)
Formula: Ca3Zr2(SiO4)(Fe3+O4)2
ⓘ Kimzeyite
Formula: Ca3Zr2(SiO4)(AlO4)2
ⓘ Latrappite
Formula: Ca2NbFe3+O6
ⓘ Magnesioferrite
Formula: MgFe3+2O4
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ 'Melilite Group'
Formula: Ca2M(XSiO7)
ⓘ Monticellite
Formula: CaMg(SiO4)
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ Nyerereite
Formula: Na2Ca(CO3)2
ⓘ Periclase
Formula: MgO
ⓘ Perovskite
Formula: CaTiO3
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Shortite
Formula: Na2Ca2(CO3)3
ⓘ Sphalerite
Formula: ZnS
ⓘ Spinel
Formula: MgAl2O4
ⓘ Strontianite
Formula: SrCO3
ⓘ Sulphohalite
Formula: Na6(SO4)2FCl
Description: Identified from carbonate-rich melt inclusions in jacupirangite.
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Ulvöspinel
Formula: TiFe2+2O4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘPyrrhotite2.CC.10Fe1-xS
Group 3 - Halides
ⓘHalite3.AA.20NaCl
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘPericlase4.AB.25MgO
ⓘFranklinite4.BB.05Zn2+Fe3+2O4
ⓘJacobsite4.BB.05Mn2+Fe3+2O4
ⓘMagnesioferrite4.BB.05MgFe3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘUlvöspinel4.BB.05TiFe2+2O4
ⓘLatrappite4.CC.30Ca2NbFe3+O6
ⓘPerovskite4.CC.30CaTiO3
ⓘBaddeleyite4.DE.35ZrO2
ⓘCerianite-(Ce)4.DL.05(Ce4+,Th)O2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘStrontianite5.AB.15SrCO3
ⓘNyerereite5.AC.10Na2Ca(CO3)2
ⓘShortite5.AC.25Na2Ca2(CO3)3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘBaryte7.AD.35BaSO4
ⓘCelestine7.AD.35SrSO4
ⓘSulphohalite7.BD.05Na6(SO4)2FCl
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘGlaucochroite9.AC.05CaMn2+(SiO4)
ⓘMonticellite9.AC.10CaMg(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘKimzeyite9.AD.25Ca3Zr2(SiO4)(AlO4)2
ⓘKerimasite (TL)9.AD.25Ca3Zr2(SiO4)(Fe3+O4)2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
Unclassified
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Melilite Group'-Ca2M(XSiO7)

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ NyerereiteNa2Ca(CO3)2
Cⓘ ShortiteNa2Ca2(CO3)3
Cⓘ StrontianiteSrCO3
OOxygen
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnhydriteCaSO4
Oⓘ BaddeleyiteZrO2
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CelestineSrSO4
Oⓘ Cerianite-(Ce)(Ce4+,Th)O2
Oⓘ DolomiteCaMg(CO3)2
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ ForsteriteMg2(SiO4)
Oⓘ FrankliniteZn2+Fe23+O4
Oⓘ GlaucochroiteCaMn2+(SiO4)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ JacobsiteMn2+Fe23+O4
Oⓘ KimzeyiteCa3Zr2(SiO4)(AlO4)2
Oⓘ LatrappiteCa2NbFe3+O6
Oⓘ MagnesioferriteMgFe23+O4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MonticelliteCaMg(SiO4)
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NyerereiteNa2Ca(CO3)2
Oⓘ PericlaseMgO
Oⓘ PerovskiteCaTiO3
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ ShortiteNa2Ca2(CO3)3
Oⓘ SpinelMgAl2O4
Oⓘ StrontianiteSrCO3
Oⓘ SulphohaliteNa6(SO4)2FCl
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ UlvöspinelTiFe22+O4
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Melilite GroupCa2M(XSiO7)
Oⓘ KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ SulphohaliteNa6(SO4)2FCl
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ HaliteNaCl
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NyerereiteNa2Ca(CO3)2
Naⓘ ShortiteNa2Ca2(CO3)3
Naⓘ SulphohaliteNa6(SO4)2FCl
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ MagnesioferriteMgFe23+O4
Mgⓘ MonticelliteCaMg(SiO4)
Mgⓘ PericlaseMgO
Mgⓘ SpinelMgAl2O4
AlAluminium
Alⓘ KimzeyiteCa3Zr2(SiO4)(AlO4)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ ForsteriteMg2(SiO4)
Siⓘ GlaucochroiteCaMn2+(SiO4)
Siⓘ KimzeyiteCa3Zr2(SiO4)(AlO4)2
Siⓘ MonticelliteCaMg(SiO4)
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Melilite GroupCa2M(XSiO7)
Siⓘ KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ BaryteBaSO4
Sⓘ CelestineSrSO4
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ SulphohaliteNa6(SO4)2FCl
ClChlorine
Clⓘ HaliteNaCl
Clⓘ SulphohaliteNa6(SO4)2FCl
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ NephelineNa3K(Al4Si4O16)
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ AnhydriteCaSO4
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ GlaucochroiteCaMn2+(SiO4)
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ KimzeyiteCa3Zr2(SiO4)(AlO4)2
Caⓘ LatrappiteCa2NbFe3+O6
Caⓘ MonticelliteCaMg(SiO4)
Caⓘ NyerereiteNa2Ca(CO3)2
Caⓘ PerovskiteCaTiO3
Caⓘ ShortiteNa2Ca2(CO3)3
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Melilite GroupCa2M(XSiO7)
Caⓘ KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
TiTitanium
Tiⓘ PerovskiteCaTiO3
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ UlvöspinelTiFe22+O4
MnManganese
Mnⓘ GlaucochroiteCaMn2+(SiO4)
Mnⓘ JacobsiteMn2+Fe23+O4
FeIron
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ FrankliniteZn2+Fe23+O4
Feⓘ JacobsiteMn2+Fe23+O4
Feⓘ LatrappiteCa2NbFe3+O6
Feⓘ MagnesioferriteMgFe23+O4
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyrrhotiteFe1-xS
Feⓘ UlvöspinelTiFe22+O4
Feⓘ KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
ZnZinc
Znⓘ FrankliniteZn2+Fe23+O4
Znⓘ SphaleriteZnS
SrStrontium
Srⓘ CelestineSrSO4
Srⓘ StrontianiteSrCO3
ZrZirconium
Zrⓘ BaddeleyiteZrO2
Zrⓘ KimzeyiteCa3Zr2(SiO4)(AlO4)2
Zrⓘ KerimasiteCa3Zr2(SiO4)(Fe3+O4)2
NbNiobium
Nbⓘ LatrappiteCa2NbFe3+O6
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Cerianite-(Ce)(Ce4+,Th)O2
ThThorium
Thⓘ Cerianite-(Ce)(Ce4+,Th)O2

Localities in this Region

Tanzania

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Somali PlateTectonic Plate

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

www.getamap.net (n.d.) http://www.getamap.net/maps/tanzania/arusha/_kerimasi/
Hay, Richard L. (1983) Natrocarbonatite tephra of Kerimasi volcano, Tanzania. Geology, 11 (10). 599-602 doi:10.1130/0091-7613(1983)11<599:ntokvt>2.0.co;2
Mariano, A.N. and Roeder, P.L. (1983) Kerimasi: a neglected carbonatite volcano. Journal of Geology, 91, 449-455.
Church, A.A. (1996) The petrology of the Kerimasi carbonatite volcano and the carbonatites of Oldoinyo Lengai with a review of other occurrences of extrusive carbonatites. Ph.D. thesis, University of London, 384 pp.
Zaitsev, A. N. (2010) Nyerereite from calcite carbonatite at the Kerimasi Volcano, Northern Tanzania. Geology of Ore Deposits, 52 (7) 630-640 doi:10.1134/s1075701510070159
Guzmics, Tibor, Mitchell, Roger H., Szabó, Csaba, Berkesi, Márta, Milke, Ralf, Ratter, Kitti (2012) Liquid immiscibility between silicate, carbonate and sulfide melts in melt inclusions hosted in co-precipitated minerals from Kerimasi volcano (Tanzania): evolution of carbonated nephelinitic magma. Contributions to Mineralogy and Petrology, 164 (1) 101-122 doi:10.1007/s00410-012-0728-6
Martins, T., Chakhmouradian, A. R., Medici, L. (2014) Perovskite alteration in kimberlites and carbonatites: the role of kassite, CaTi2O4(OH)2. Physics and Chemistry of Minerals, 41 (6) 473-484 doi:10.1007/s00269-014-0667-z
Káldos, Réka, Guzmics, Tibor, Mitchell, Roger H., Dawson, John Barry, Milke, Ralf, Szabó, Csaba (2015) A melt evolution model for Kerimasi volcano, Tanzania: Evidence from carbonate melt inclusions in jacupirangite. Lithos, 238. 101-119 doi:10.1016/j.lithos.2015.09.011
geo.web.ru (n.d.) http://geo.web.ru/conf/alkaline/2009/Zaitsev2.htm
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