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Lesotho

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Key
Lock Map
Geological map of Lesotho

Lesotho
Inspecting a pocket.

Butha-Buthe District, Lesotho
Geological map of Lesotho

Lesotho
Inspecting a pocket.

Butha-Buthe District, Lesotho
Geological map of Lesotho

Lesotho
Area:30,355 km2
Locality type:Country
Name(s) in local language(s):Lesotho (Basutoland)


Basutoland was a British protectorate for the first part of the 20th century. On 1966-10-04, it became independent under the name of Lesotho.
It is an enclave — entirely surrounded by the Republic of South Africa.

Select Mineral List Type

Standard Detailed Strunz Dana 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

24 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:

Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
'Albite-Anorthite Series'
Almandine
Formula: Fe2+3Al2(SiO4)3
'Apatite'
'Apophyllite'
Baryte
Formula: BaSO4
'Biotite'
Calcite
Formula: CaCO3
Diamond
Formula: C
Localities: Reported from at least 6 localities in this region.
'commodity:Diamond'
Diopside
Formula: CaMgSi2O6
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Enstatite
Formula: MgSiO3
Enstatite var: Bronzite
Formula: (Mg,Fe2+)2[SiO3]2
'Fayalite-Forsterite Series'
'Garnet Group'
Formula: X3Z2(SiO4)3
Gonnardite
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
Hercynite
Formula: Fe2+Al2O4
Hercynite var: Picotite
Formula: (Fe,Mg)(Al,Cr)2O4
'Heulandite subgroup'
Ilmenite
Formula: Fe2+TiO3
'Kimberlite'
Knorringite (TL)
Formula: Mg3Cr2(SiO4)3
Reference: AmMin 53 (1968), 1833-1840
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Pectolite
Formula: NaCa2Si3O8(OH)
Periclase
Formula: MgO
Periclase var: Ferropericlase
Formula: (Mg,Fe)O
Perovskite
Formula: CaTiO3
Pyrite
Formula: FeS2
Pyrope
Formula: Mg3Al2(SiO4)3
Quartz
Formula: SiO2
Quartz var: Agate
Quartz var: Chalcedony
Formula: SiO2
Rutile
Formula: TiO2
Sanidine
Formula: K(AlSi3O8)
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Spinel
Formula: MgAl2O4
'Stilbite subgroup'
'UM1975-10-O:CaFeMgTi'
Formula: ~Ca2Ti2(Fe,Mg)2O9
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Diamond1.CB.10aC
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hercynite4.BB.05Fe2+Al2O4
var: Picotite4.BB.05(Fe,Mg)(Al,Cr)2O4
Ilmenite4.CB.05Fe2+TiO3
Periclase4.AB.25MgO
var: Ferropericlase4.AB.25(Mg,Fe)O
Perovskite4.CC.30CaTiO3
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 9 - Silicates
'Aegirine-augite'9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Almandine9.AD.25Fe2+3Al2(SiO4)3
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Enstatite9.DA.05MgSiO3
var: Bronzite9.DA.05(Mg,Fe2+)2[SiO3]2
Gonnardite9.GA.05(Na,Ca)2(Si,Al)5O10 · 3H2O
Knorringite (TL)9.AD.25Mg3Cr2(SiO4)3
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Pectolite9.DG.05NaCa2Si3O8(OH)
Pyrope9.AD.25Mg3Al2(SiO4)3
Sanidine9.FA.30K(AlSi3O8)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Albite-Anorthite Series-
Apatite-
Apophyllite-
Biotite-
Fayalite-Forsterite Series-
Garnet Group-X3Z2(SiO4)3
Heulandite subgroup-
Kimberlite-
Serpentine Subgroup-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Stilbite subgroup-
UM1975-10-O:CaFeMgTi-~Ca2Ti2(Fe,Mg)2O9

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Diamond1.3.6.1C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX
Periclase4.2.1.1MgO
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Perovskite4.3.3.1CaTiO3
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Hercynite7.2.1.3Fe2+Al2O4
Spinel7.2.1.1MgAl2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Knorringite (TL)51.4.3a.4Mg3Cr2(SiO4)3
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Aegirine-augite65.1.3b.2(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Diopside65.1.3a.1CaMgSi2O6
Enstatite65.1.2.1MgSiO3
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Sanidine76.1.1.2K(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Gonnardite77.1.5.7(Na,Ca)2(Si,Al)5O10 · 3H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Apatite'-
'Apophyllite'-
'Biotite'-
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
Enstatite
var: Bronzite
-(Mg,Fe2+)2[SiO3]2
'Fayalite-Forsterite Series'-
'Garnet Group'-X3Z2(SiO4)3
Hercynite
var: Picotite
-(Fe,Mg)(Al,Cr)2O4
'Heulandite subgroup'-
'Kimberlite'-
Periclase
var: Ferropericlase
-(Mg,Fe)O
Quartz
var: Agate
-SiO2
var: Chalcedony-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Stilbite subgroup'-
'UM1975-10-O:CaFeMgTi'-~Ca2Ti2(Fe,Mg)2O9

List of minerals for each chemical element

HHydrogen
H Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
H LaumontiteCaAl2Si4O12 · 4H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H PectoliteNaCa2Si3O8(OH)
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C CalciteCaCO3
C DiamondC
OOxygen
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AlmandineFe32+Al2(SiO4)3
O BaryteBaSO4
O Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
O CalciteCaCO3
O Quartz (var: Chalcedony)SiO2
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O DiopsideCaMgSi2O6
O EnstatiteMgSiO3
O Periclase (var: Ferropericlase)(Mg,Fe)O
O Garnet GroupX3Z2(SiO4)3
O Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
O HercyniteFe2+Al2O4
O IlmeniteFe2+TiO3
O KnorringiteMg3Cr2(SiO4)3
O LaumontiteCaAl2Si4O12 · 4H2O
O NatroliteNa2Al2Si3O10 · 2H2O
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O PectoliteNaCa2Si3O8(OH)
O PericlaseMgO
O PerovskiteCaTiO3
O Hercynite (var: Picotite)(Fe,Mg)(Al,Cr)2O4
O PyropeMg3Al2(SiO4)3
O QuartzSiO2
O RutileTiO2
O SanidineK(AlSi3O8)
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O SpinelMgAl2O4
O UM1975-10-O:CaFeMgTi~Ca2Ti2(Fe,Mg)2O9
O ZirconZr(SiO4)
NaSodium
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Na PectoliteNaCa2Si3O8(OH)
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg DiopsideCaMgSi2O6
Mg EnstatiteMgSiO3
Mg Periclase (var: Ferropericlase)(Mg,Fe)O
Mg KnorringiteMg3Cr2(SiO4)3
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg PericlaseMgO
Mg Hercynite (var: Picotite)(Fe,Mg)(Al,Cr)2O4
Mg PyropeMg3Al2(SiO4)3
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg SpinelMgAl2O4
Mg UM1975-10-O:CaFeMgTi~Ca2Ti2(Fe,Mg)2O9
AlAluminium
Al Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Al AlmandineFe32+Al2(SiO4)3
Al Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Al HercyniteFe2+Al2O4
Al LaumontiteCaAl2Si4O12 · 4H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al Hercynite (var: Picotite)(Fe,Mg)(Al,Cr)2O4
Al PyropeMg3Al2(SiO4)3
Al SanidineK(AlSi3O8)
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al SpinelMgAl2O4
SiSilicon
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AlmandineFe32+Al2(SiO4)3
Si Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Si Quartz (var: Chalcedony)SiO2
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si DiopsideCaMgSi2O6
Si EnstatiteMgSiO3
Si Garnet GroupX3Z2(SiO4)3
Si Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Si KnorringiteMg3Cr2(SiO4)3
Si LaumontiteCaAl2Si4O12 · 4H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si PectoliteNaCa2Si3O8(OH)
Si PyropeMg3Al2(SiO4)3
Si QuartzSiO2
Si SanidineK(AlSi3O8)
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si ZirconZr(SiO4)
SSulfur
S BaryteBaSO4
S PyriteFeS2
KPotassium
K SanidineK(AlSi3O8)
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca CalciteCaCO3
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
Ca Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Ca PectoliteNaCa2Si3O8(OH)
Ca PerovskiteCaTiO3
Ca UM1975-10-O:CaFeMgTi~Ca2Ti2(Fe,Mg)2O9
TiTitanium
Ti IlmeniteFe2+TiO3
Ti PerovskiteCaTiO3
Ti RutileTiO2
Ti UM1975-10-O:CaFeMgTi~Ca2Ti2(Fe,Mg)2O9
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Cr KnorringiteMg3Cr2(SiO4)3
Cr Hercynite (var: Picotite)(Fe,Mg)(Al,Cr)2O4
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AlmandineFe32+Al2(SiO4)3
Fe Enstatite (var: Bronzite)(Mg,Fe2+)2[SiO3]2
Fe Periclase (var: Ferropericlase)(Mg,Fe)O
Fe HercyniteFe2+Al2O4
Fe IlmeniteFe2+TiO3
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Fe Hercynite (var: Picotite)(Fe,Mg)(Al,Cr)2O4
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe UM1975-10-O:CaFeMgTi~Ca2Ti2(Fe,Mg)2O9
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZrZirconium
Zr ZirconZr(SiO4)
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Rhodes, R.C. and Krohn, D.H. (1972). Tectonic control over regional geochemical variation in the Karroo basaltic Province of Southern Africa. Transactions of the Geological Society of South Africa, 75(1), 11-21.
Dunlevey, J.N., Ramluckan, V.R. and Mitchell, A.A. (1993). Secondary mineral zonation in the Drakensberg Basalt Formation, South Africa. South African Journal of Geology, 96(4), 215-220. (Note: Although article states South Africa, Lesotho is featured).
Maud, R.R., Partridge,T. C., Dunlevey, J.N. (1998). The Lesotho 'volcanic' event of February 1983. South African Journal of Geology, 101(4), 313-322.
Moore, A.E. Lock, N.P. (2001). The origin of mantle-derived megacrysts and sheared peridotites-evidence from kimberlites in the northern Lesotho - Orange Free State (South Africa) and Botswana pipe clusters. South African Journal of Geology, 104(1), 23-38.

Localities in this Region
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