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Sepon Mine, Vilabouly District, Savannakhét Province, Laosi
Regional Level Types
Sepon MineMine
Vilabouly DistrictDistrict
Savannakhét ProvinceProvince
LaosCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 16° North , 105° East (est.)
Margin of Error:~7km
Locality type:Mine
Köppen climate type:Aw : Tropical savanna, wet


A gold and copper mine.

Gold operations ceased in December 2013 due to depleting ore reserves and lower margins. The gold plant has been placed on care and maintenance while the Sepon operation focuses on copper production.

Owned by MMG Ltd.

Regions containing this locality

Sunda PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

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

28 valid minerals.

Detailed Mineral List:

Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Reference: Michael J. Stott specimens
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Niedermayr, G., Jahn, S. & Bode, R. (2012): Mineralientage München 2011-Masstab aller Börsen. Mineralien Welt. 23 (1): 15-40 (p.19)
Baryte
Formula: BaSO4
Bornite
Formula: Cu5FeS4
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: Michael Stott
Calcite
Formula: CaCO3
Cerussite
Formula: PbCO3
Reference: Niedermayr, G., Jahn, S. & Bode, R. (2012): Mineralientage München 2011-Masstab aller Börsen. Mineralien Welt. 23 (1): 15-40 (p.19)
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: Georgzén, A. (2011): Kanunggruvan, Seponprovinsen i sydöstra Laos. Berg & Mineral (Stockholms Amatörgeologiska Sällskap). 21 (nr 68), 16-20
Chalcocite
Formula: Cu2S
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: Georgzén, A. (2011): Kanunggruvan, Seponprovinsen i sydöstra Laos. Berg & Mineral (Stockholms Amatörgeologiska Sällskap). 21 (nr 68), 16-20
Copper
Formula: Cu
Reference: Niedermayr, G., Jahn, S. & Bode, R. (2012): Mineralientage München 2011-Masstab aller Börsen. Mineralien Welt. 23 (1): 15-40 (p.19)
Cuprite
Formula: Cu2O
Reference: Georgzén, A. (2011): Kanunggruvan, Seponprovinsen i sydöstra Laos. Berg & Mineral (Stockholms Amatörgeologiska Sällskap). 21 (nr 68), 16-20
Dolomite
Formula: CaMg(CO3)2
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Fluorite
Formula: CaF2
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Galena
Formula: PbS
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Gold
Formula: Au
Libethenite
Formula: Cu2(PO4)(OH)
Reference: Michael Stott
Malachite
Formula: Cu2(CO3)(OH)2
Molybdenite
Formula: MoS2
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Reference: Michael Stott
Pyrite
Formula: FeS2
Pyrolusite
Formula: Mn4+O2
Reference: Georgzén, A. (2011): Kanunggruvan, Seponprovinsen i sydöstra Laos. Berg & Mineral (Stockholms Amatörgeologiska Sällskap). 21 (nr 68), 16-20
'Pyroxene Group'
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Quartz
Formula: SiO2
Quartz var: Jasper
Reference: Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.
Silver
Formula: Ag
Reference: Georgzén, A. (2011): Kanunggruvan, Seponprovinsen i sydöstra Laos. Berg & Mineral (Stockholms Amatörgeologiska Sällskap). 21 (nr 68), 16-20
Sphalerite
Formula: ZnS
Stibnite
Formula: Sb2S3

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Gold1.AA.05Au
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Bornite2.BA.15Cu5FeS4
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Stibnite2.DB.05Sb2S3
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Cerussite5.AB.15PbCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Brochantite7.BB.25Cu4(SO4)(OH)6
Chalcanthite7.CB.20CuSO4 · 5H2O
Group 8 - Phosphates, Arsenates and Vanadates
Libethenite8.BB.30Cu2(PO4)(OH)
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Group 9 - Silicates
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Silver1.1.1.2Ag
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
AmBnXp, with (m+n):p = 3:2
Bornite2.5.2.1Cu5FeS4
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Stibnite2.11.2.1Sb2S3
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Cerussite14.1.3.4PbCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq
Pseudomalachite41.4.3.1Cu5(PO4)2(OH)4
A2(XO4)Zq
Libethenite41.6.6.2Cu2(PO4)(OH)
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Allophane71.1.5.1(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Pyroxene Group'-
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

HHydrogen
H BrochantiteCu4(SO4)(OH)6
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H PseudomalachiteCu5(PO4)2(OH)4
H LibetheniteCu2(PO4)(OH)
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H ChalcanthiteCuSO4 · 5H2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
CCarbon
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
C DolomiteCaMg(CO3)2
C CalciteCaCO3
C CerussitePbCO3
OOxygen
O BrochantiteCu4(SO4)(OH)6
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O CupriteCu2O
O DolomiteCaMg(CO3)2
O BaryteBaSO4
O CalciteCaCO3
O QuartzSiO2
O CerussitePbCO3
O PseudomalachiteCu5(PO4)2(OH)4
O LibetheniteCu2(PO4)(OH)
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O Garnet GroupX3Z2(SiO4)3
O ChalcanthiteCuSO4 · 5H2O
O PyrolusiteMn4+O2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
FFluorine
F FluoriteCaF2
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
SiSilicon
Si QuartzSiO2
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si Garnet GroupX3Z2(SiO4)3
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
PPhosphorus
P PseudomalachiteCu5(PO4)2(OH)4
P LibetheniteCu2(PO4)(OH)
SSulfur
S BrochantiteCu4(SO4)(OH)6
S ChalcociteCu2S
S PyriteFeS2
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S SphaleriteZnS
S StibniteSb2S3
S BorniteCu5FeS4
S MolybdeniteMoS2
S ChalcanthiteCuSO4 · 5H2O
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca FluoriteCaF2
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe BorniteCu5FeS4
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu BrochantiteCu4(SO4)(OH)6
Cu ChalcociteCu2S
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2
Cu CupriteCu2O
Cu CopperCu
Cu ChalcopyriteCuFeS2
Cu PseudomalachiteCu5(PO4)2(OH)4
Cu LibetheniteCu2(PO4)(OH)
Cu BorniteCu5FeS4
Cu ChalcanthiteCuSO4 · 5H2O
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
ZnZinc
Zn SphaleriteZnS
MoMolybdenum
Mo MolybdeniteMoS2
AgSilver
Ag SilverAg
SbAntimony
Sb StibniteSb2S3
BaBarium
Ba BaryteBaSO4
AuGold
Au GoldAu
PbLead
Pb CerussitePbCO3
Pb GalenaPbS

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cromie, PW (2010) Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos. PhD thesis, University of Tasmania.

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