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Chad

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Geological map of Chad

Chad
Area:1,284,000 km2
Locality type:Country


Note: Since 2002, Chad has been divided into 18 regions, which are subdivided into 52 departments and further divided into 348 sub-prefectures. Implementation of the new plan has been slow on the ground, however. The regions approximately correspond with 14 prefectures which existed up to 1999.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

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

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Arsenopyrite
Formula: FeAsS
'Bauxite'
Beryl
Formula: Be3Al2(Si6O18)
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
'Columbite-(Fe)-Columbite-(Mn) Series'
'Eguëite'
Formula: CaFe14(PO4)10(OH)14·21H2O
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Feldspar Group'
Gaylussite
Formula: Na2Ca(CO3)2 · 5H2O
Gold
Formula: Au
Localities: Reported from at least 9 localities in this region.
Hessite
Formula: Ag2Te
Ilmenite
Formula: Fe2+TiO3
Kanemite (TL)
Formula: HNaSi2O5 · 3H2O
Reference: Bull.Soc.fr.Min.Crist.(1972) 95, 372-382
Kawazulite
Formula: Bi2Te2Se
Magadiite
Formula: Na2Si14O29 · 11H2O
Malachite
Formula: Cu2(CO3)(OH)2
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Siegenite
Formula: CoNi2S4
Sphalerite
Formula: ZnS
Talc
Formula: Mg3Si4O10(OH)2
'Thénardite'
Formula: Na2SO4
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Trona
Formula: Na3H(CO3)2 · 2H2O
Uraninite
Formula: UO2
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Group 2 - Sulphides and Sulfosalts
'Arsenopyrite'2.EB.20FeAsS
'Chalcopyrite'2.CB.10aCuFeS2
'Hessite'2.BA.60Ag2Te
'Kawazulite'2.DC.05Bi2Te2Se
'Pyrite'2.EB.05aFeS2
'Pyrrhotite'2.CC.10Fe7S8
Siegenite2.DA.05CoNi2S4
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Ilmenite'4.CB.05Fe2+TiO3
'Quartz'4.DA.05SiO2
'Rutile'4.DB.05TiO2
Uraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Calcite'5.AB.05CaCO3
'Gaylussite'5.CB.35Na2Ca(CO3)2 · 5H2O
'Malachite'5.BA.10Cu2(CO3)(OH)2
Trona5.CB.15Na3H(CO3)2 · 2H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Thénardite7.AC.25Na2SO4
Group 9 - Silicates
'Actinolite'9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Beryl'9.CJ.05Be3Al2(Si6O18)
'Epidote'9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
'Kanemite' (TL)9.EF.25HNaSi2O5 · 3H2O
'Magadiite'9.EA.20Na2Si14O29 · 11H2O
'Muscovite'9.EC.15KAl2(AlSi3O10)(OH)2
var: Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Bauxite'-
'Chlorite Group'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Eguëite'-CaFe14(PO4)10(OH)14·21H2O
'Feldspar Group'-
Wolframite-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Hessite2.4.2.1Ag2Te
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 3:4
Siegenite2.10.1.6CoNi2S4
AmBnXp, with (m+n):p = 2:3
Kawazulite2.11.7.5Bi2Te2Se
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Cassiterite4.4.1.5SnO2
Rutile4.4.1.1TiO2
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
Group 13 - ACID CARBONATES
Miscellaneous
Trona13.1.4.1Na3H(CO3)2 · 2H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 15 - HYDRATED NORMAL CARBONATES
AmBn(XO3)p·xH2O, with (m+n):p > 1:1
Gaylussite15.2.2.1Na2Ca(CO3)2 · 5H2O
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
A2XO4
'Thénardite'28.2.3.1Na2SO4
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Group 73 - PHYLLOSILICATES Condensed Tetrahedral Sheets
Condensed Tetrahedral Sheets with double layers
Kanemite (TL)73.1.5.1HNaSi2O5 · 3H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 78 - Unclassified Silicates
Magadiite78.7.12.1Na2Si14O29 · 11H2O
Unclassified Minerals, Rocks, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Bauxite'-
'Chlorite Group'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Eguëite'-CaFe14(PO4)10(OH)14·21H2O
'Feldspar Group'-
Muscovite
var: Sericite
-KAl2(AlSi3O10)(OH)2
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H EguëiteCaFe14(PO4)10(OH)14·21H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H GaylussiteNa2Ca(CO3)2 · 5H2O
H KanemiteHNaSi2O5 · 3H2O
H MagadiiteNa2Si14O29 · 11H2O
H MalachiteCu2(CO3)(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
H TalcMg3Si4O10(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H TronaNa3H(CO3)2 · 2H2O
BeBeryllium
Be BerylBe3Al2(Si6O18)
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CalciteCaCO3
C GaylussiteNa2Ca(CO3)2 · 5H2O
C MalachiteCu2(CO3)(OH)2
C TronaNa3H(CO3)2 · 2H2O
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BerylBe3Al2(Si6O18)
O CalciteCaCO3
O CassiteriteSnO2
O EguëiteCaFe14(PO4)10(OH)14·21H2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O GaylussiteNa2Ca(CO3)2 · 5H2O
O IlmeniteFe2+TiO3
O KanemiteHNaSi2O5 · 3H2O
O MagadiiteNa2Si14O29 · 11H2O
O MalachiteCu2(CO3)(OH)2
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O RutileTiO2
O Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
O TalcMg3Si4O10(OH)2
O ThénarditeNa2SO4
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O TronaNa3H(CO3)2 · 2H2O
O UraniniteUO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
NaSodium
Na GaylussiteNa2Ca(CO3)2 · 5H2O
Na KanemiteHNaSi2O5 · 3H2O
Na MagadiiteNa2Si14O29 · 11H2O
Na ThénarditeNa2SO4
Na TronaNa3H(CO3)2 · 2H2O
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg TalcMg3Si4O10(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
AlAluminium
Al BerylBe3Al2(Si6O18)
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si BerylBe3Al2(Si6O18)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si KanemiteHNaSi2O5 · 3H2O
Si MagadiiteNa2Si14O29 · 11H2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
Si TalcMg3Si4O10(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
PPhosphorus
P EguëiteCaFe14(PO4)10(OH)14·21H2O
SSulfur
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S PyriteFeS2
S PyrrhotiteFe7S8
S SiegeniteCoNi2S4
S SphaleriteZnS
S ThénarditeNa2SO4
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K Muscovite (var: Sericite)KAl2(AlSi3O10)(OH)2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca CalciteCaCO3
Ca EguëiteCaFe14(PO4)10(OH)14·21H2O
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca GaylussiteNa2Ca(CO3)2 · 5H2O
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe EguëiteCaFe14(PO4)10(OH)14·21H2O
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
CoCobalt
Co SiegeniteCoNi2S4
NiNickel
Ni SiegeniteCoNi2S4
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
SeSelenium
Se KawazuliteBi2Te2Se
AgSilver
Ag HessiteAg2Te
SnTin
Sn CassiteriteSnO2
TeTellurium
Te HessiteAg2Te
Te KawazuliteBi2Te2Se
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
AuGold
Au GoldAu
BiBismuth
Bi KawazuliteBi2Te2Se
UUranium
U UraniniteUO2

Localities in this Region
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Some regions, for example mining districts and mountain ranges, cut across political boundaries and do fit neatly into the standard locality hierarchy. These pages provide an alternative way to aggregate localities, minerals and photographs from the sites within.

Sahara Desert, North Africa

Desert - 706 mineral species & varietal names listed

Lake Chad, Central Africa

Lake - 0 mineral species & varietal names listed

The following list is the regular hierarchical locality list for this region.


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.
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