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Mayo Kebi granite, Mayo-Kebbi Est Region, Chadi
Regional Level Types
Mayo Kebi graniteOccurrence
Mayo-Kebbi Est RegionRegion
ChadCountry

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Latitude & Longitude (WGS84):
9° 58' North , 15° 13' East
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Bongor27,770 (2012)38.8km
Yagoua80,235 (2012)41.6km
Gounou Gaya9,521 (2012)49.6km
Mindat Locality ID:
406259
Long-form identifier:
mindat:1:2:406259:5
GUID (UUID V4):
0


The Mayo-Kebbi massif is dominantly made of Neoproterozoic juvenile crust composed of granites and greenstone belts. The greenstone belts trend NNE-SSW. They comprise the Zalbi series to the west and the Goueygoudoum series to the east. The Zalbi series include metagabbro, metabasalt, chlorite-schist, talc-schist, and serpentinite, while the Goueygoudoum series consist of metabasalt associated with metacarbonatite and metacherts. Metamorphism recorded by these greenstone belts typically ranges from the lower greenschist facies in the Goueygoudoum series to the upper greenschist/amphibolite facies in the Zalbi series. To the west, close to the ChadCameroon border, the Zalbi series grade into tonalitic migmatitic gneisses of the Figuil complex.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

26 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:

Albite
Formula: Na(AlSi3O8)
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Baryte
Formula: BaSO4
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Brannerite
Formula: UTi2O6
'Calcic plagioclase'
Calcite
Formula: CaCO3
'Calcium Amphibole Subgroup'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Calcium Amphibole Subgroup var. Hornblende'
Formula: AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Chlorite Group'
Coffinite
Formula: U(SiO4) · nH2O
Ekanite
Formula: Ca2ThSi8O20
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
'Feldspar Group'
'Feldspar Group var. Perthite'
Fluorapatite
Formula: Ca5(PO4)3F
Hastingsite
Formula: NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2
Hematite
Formula: Fe2O3
Ilmenite
Formula: Fe2+TiO3
Kasolite
Formula: Pb(UO2)(SiO4) · H2O
'K Feldspar'
Magnetite
Formula: Fe2+Fe3+2O4
'Mica Group'
'Monazite Group'
Formula: REE(PO4)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
'Myrmekite'
Orthoclase
Formula: K(AlSi3O8)
Parauranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Quartz
Formula: SiO2
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Rutile
Formula: TiO2
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Talc
Formula: Mg3Si4O10(OH)2
Thorite
Formula: Th(SiO4)
Thorite var. Uranothorite
Formula: (Th,U)SiO4
Titanite
Formula: CaTi(SiO4)O
Uraninite
Formula: UO2
Uraninite var. Pitchblende
Formula: UO2
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
'White mica'
'Xenotime'
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Brannerite4.DH.05UTi2O6
Uraninite
var. Pitchblende
4.DL.05UO2
4.DL.05UO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Coffinite9.AD.30U(SiO4) · nH2O
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Thorite
var. Uranothorite
9.AD.30(Th,U)SiO4
Titanite9.AG.15CaTi(SiO4)O
Kasolite9.AK.15Pb(UO2)(SiO4) · H2O
Parauranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hastingsite9.DE.15NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Ekanite9.EA.10Ca2ThSi8O20
Talc9.EC.05Mg3Si4O10(OH)2
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorite Group'-
'Feldspar Group'-
'Calcium Amphibole Subgroup
var. Hornblende'
-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'Monazite Group'-REE(PO4)
'Xenotime'-
'Feldspar Group
var. Perthite'
-
'Mica Group'-
'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
'K Feldspar'-
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Calcium Amphibole Subgroup'-AnCa2(Z2+5-mZ3+m)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
'White mica'-
'Calcic plagioclase'-
'Myrmekite'-

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H CoffiniteU(SiO4) · nH2O
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
H Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
H KasolitePb(UO2)(SiO4) · H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H TalcMg3Si4O10(OH)2
H ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
CCarbon
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
O BaryteBaSO4
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BranneriteUTi2O6
O CalciteCaCO3
O CoffiniteU(SiO4) · nH2O
O EkaniteCa2ThSi8O20
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O FluorapatiteCa5(PO4)3F
O HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
O HematiteFe2O3
O Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
O IlmeniteFe2+TiO3
O KasolitePb(UO2)(SiO4) · H2O
O MagnetiteFe2+Fe23+O4
O Monazite GroupREE(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O OrthoclaseK(AlSi3O8)
O Uraninite var. PitchblendeUO2
O QuartzSiO2
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
O RutileTiO2
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O TalcMg3Si4O10(OH)2
O ThoriteTh(SiO4)
O TitaniteCaTi(SiO4)O
O UraniniteUO2
O ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O ZirconZr(SiO4)
O Thorite var. Uranothorite(Th,U)SiO4
O Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
O Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
O ApatiteCa5(PO4)3(Cl/F/OH)
O Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
F Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Na Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg TalcMg3Si4O10(OH)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Al Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al OrthoclaseK(AlSi3O8)
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Al Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Al Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si CoffiniteU(SiO4) · nH2O
Si EkaniteCa2ThSi8O20
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Si Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Si KasolitePb(UO2)(SiO4) · H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si TalcMg3Si4O10(OH)2
Si ThoriteTh(SiO4)
Si TitaniteCaTi(SiO4)O
Si ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si ZirconZr(SiO4)
Si Thorite var. Uranothorite(Th,U)SiO4
Si Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Si Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Si Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
PPhosphorus
P FluorapatiteCa5(PO4)3F
P Monazite GroupREE(PO4)
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S BaryteBaSO4
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
K OrthoclaseK(AlSi3O8)
K Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca CalciteCaCO3
Ca EkaniteCa2ThSi8O20
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca FluorapatiteCa5(PO4)3F
Ca HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Ca Calcium Amphibole Subgroup var. HornblendeAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca TitaniteCaTi(SiO4)O
Ca ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Calcium Amphibole SubgroupAnCa2(Z2+5-mZm3+)(Si8-(n+m)Al(n+m))(OH,F,Cl)2
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti BranneriteUTi2O6
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HastingsiteNaCa2(Fe42+Fe3+)(Si6Al2)O22(OH)2
Fe HematiteFe2O3
Fe IlmeniteFe2+TiO3
Fe MagnetiteFe2+Fe23+O4
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4
PbLead
Pb KasolitePb(UO2)(SiO4) · H2O
ThThorium
Th EkaniteCa2ThSi8O20
Th ThoriteTh(SiO4)
Th Thorite var. Uranothorite(Th,U)SiO4
UUranium
U BranneriteUTi2O6
U CoffiniteU(SiO4) · nH2O
U KasolitePb(UO2)(SiO4) · H2O
U Uraninite var. PitchblendeUO2
U UraniniteUO2
U ParauranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U Thorite var. Uranothorite(Th,U)SiO4

Localities in this Region

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate

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