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Semenov region, Mid-Atlantic Ridge complex, Atlantic Oceani
Regional Level Types
Semenov regionRegion
Mid-Atlantic Ridge complexMid-Ocean Ridge
Atlantic OceanOcean

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Latitude & Longitude (WGS84):
13° 30' 49'' North , 44° 57' 46'' West
Latitude & Longitude (decimal):
13.51370,-44.96300
GRN:
N10W31
Type:
Region
Mindat Locality ID:
259272
Long-form identifier:
mindat:1:2:259272:8
GUID (UUID V4):
0


30th Cruise of R/V Professor Logatchev (2007). Comprises five ore fields: Western, Northwestern, Central, Northeastern, and Eastern.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

54 valid minerals.

Rock Types Recorded


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
ⓘ Altaite
Formula: PbTe
ⓘ Anhydrite
Formula: CaSO4
ⓘ Aragonite
Formula: CaCO3
ⓘ Argyrodite
Formula: Ag8GeS6
ⓘ Atacamite
Formula: Cu2(OH)3Cl
ⓘ Aurostibite
Formula: AuSb2
ⓘ Baryte
Formula: BaSO4
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calaverite
Formula: AuTe2
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ 'Chrome-Spinel (of Dana)'
ⓘ Cinnabar
Formula: HgS
ⓘ Clausthalite
Formula: PbSe
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Clinochlore var. Talc-chlorite
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Cobaltite
Formula: CoAsS
ⓘ Covellite
Formula: CuS
ⓘ Cubanite
Formula: CuFe2S3
ⓘ Digenite
Formula: Cu9S5
ⓘ Djurleite
Formula: Cu31S16
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Galena
Formula: PbS
ⓘ Geerite
Formula: Cu8S5
ⓘ Glaucodot
Formula: (Co0.50Fe0.50)AsS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Specularite
Formula: Fe2O3
ⓘ Hessite
Formula: Ag2Te
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ Idaite
Formula: Cu5FeS6
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Isocubanite
Formula: CuFe2S3
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Lepidocrocite
Formula: Fe3+O(OH)
ⓘ 'Limonite'
ⓘ Marcasite
Formula: FeS2
ⓘ Melonite
Formula: NiTe2
ⓘ 'Mica Group'
ⓘ Native Arsenic
Formula: As
ⓘ Native Copper
Formula: Cu
ⓘ Native Gold
Formula: Au
ⓘ Native Gold var. Electrum
Formula: (Au,Ag)
ⓘ Native Silver
Formula: Ag
References:
Melekestseva, Irina Yu., Maslennikov, Valery V., Tret’yakov, Gennady A., Nimis, Paolo, Beltenev, Victor E., Rozhdestvenskaya, Irina I., Maslennikova, Svetlana P., Belogub, Elena V., Danyushevsky, Leonid, Large, Ross, Yuminov, Anatoly M., Sadykov, Sergey A. (2017) Gold- and Silver-Rich Massive Sulfides from the Semenov-2 Hydrothermal Field, 13°31.13′N, Mid-Atlantic Ridge: A Case of Magmatic Contribution?. Economic Geology, 112 (4) 741-773 doi:10.2113/econgeo.112.4.741
Melekestseva, Irina Yu.; Kotlyarov, Vasily A.; Tret’yakov, Gennady A.; Beltenev, Viktor E. (2025) Native Arsenic at the Semenov-2 Seafloor Massive Sulfide Deposit (13°31′13 N, Mid-Atlantic Ridge): An Indicator of Low-Temperature, Reducing, and Acidic Formation Conditions. The Canadian Journal of Mineralogy and Petrology, 63 (2). 113-140 doi:10.3749/2400021
ⓘ Naumannite
Formula: Ag2Se
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-A
Formula: SiO2 · nH2O
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Roxbyite
Formula: Cu58S32
ⓘ Rutile
Formula: TiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Sphalerite
Formula: ZnS
ⓘ Spionkopite
Formula: Cu39S28
ⓘ Stützite
Formula: Ag5-xTe3, x = 0.24-0.36
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ 'Talcite'
ⓘ Tellurobismuthite
Formula: Bi2Te3
ⓘ 'Tennantite Subgroup'
Formula: Cu6(Cu4C2+2)As4S12S
ⓘ Tetradymite
Formula: Bi2Te2S
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ Wurtzite
Formula: (Zn,Fe)S
ⓘ Yarrowite
Formula: Cu9S8

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘNative Gold
var. Electrum		1.AA.05(Au,Ag)
ⓘ1.AA.05Au
ⓘNative Silver1.AA.05Ag
ⓘNative Arsenic1.CA.05As
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘDjurleite2.BA.05Cu31S16
ⓘGeerite2.BA.05Cu8S5
ⓘRoxbyite2.BA.05Cu58S32
ⓘDigenite2.BA.10Cu9S5
ⓘBornite2.BA.15Cu5FeS4
ⓘNaumannite2.BA.55Ag2Se
ⓘHessite2.BA.60Ag2Te
ⓘStützite2.BA.65Ag5-xTe3, x = 0.24-0.36
ⓘArgyrodite2.BA.70Ag8GeS6
ⓘCovellite2.CA.05aCuS
ⓘSpionkopite2.CA.05cCu39S28
ⓘYarrowite2.CA.05dCu9S8
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘIdaite2.CB.15aCu5FeS6
ⓘWurtzite2.CB.45(Zn,Fe)S
ⓘCubanite2.CB.55aCuFe2S3
ⓘIsocubanite2.CB.55bCuFe2S3
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘAltaite2.CD.10PbTe
ⓘClausthalite2.CD.10PbSe
ⓘGalena2.CD.10PbS
ⓘCinnabar2.CD.15aHgS
ⓘTellurobismuthite2.DC.05Bi2Te3
ⓘTetradymite2.DC.05Bi2Te2S
ⓘCalaverite2.EA.10AuTe2
ⓘMelonite2.EA.20NiTe2
ⓘAurostibite2.EB.05aAuSb2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘGlaucodot2.EB.10c(Co0.50Fe0.50)AsS
ⓘCobaltite2.EB.25CoAsS
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
Group 3 - Halides
ⓘAtacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘHematite
var. Specularite		4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘvar. Opal-A4.DA.10SiO2 · nH2O
ⓘRutile4.DB.05TiO2
ⓘGoethite4.FD.10Fe3+O(OH)
ⓘLepidocrocite4.FE.15Fe3+O(OH)
Group 5 - Nitrates and Carbonates
ⓘAragonite5.AB.15CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘBaryte7.AD.35BaSO4
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 9 - Silicates
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘvar. Talc-chlorite9.EC.55Mg5Al(AlSi3O10)(OH)8
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Limonite'-
ⓘ'Mica Group'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Chrome-Spinel (of Dana)'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Talcite'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AtacamiteCu2(OH)3Cl
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ GoethiteFe3+O(OH)
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ LepidocrociteFe3+O(OH)
Hⓘ OpalSiO2 · nH2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ Opal var. Opal-ASiO2 · nH2O
Hⓘ Clinochlore var. Talc-chloriteMg5Al(AlSi3O10)(OH)8
CCarbon
Cⓘ AragoniteCaCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AnhydriteCaSO4
Oⓘ AragoniteCaCO3
Oⓘ AtacamiteCu2(OH)3Cl
Oⓘ BaryteBaSO4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GoethiteFe3+O(OH)
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ LepidocrociteFe3+O(OH)
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ Opal var. Opal-ASiO2 · nH2O
Oⓘ Clinochlore var. Talc-chloriteMg5Al(AlSi3O10)(OH)8
NaSodium
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Clinochlore var. Talc-chloriteMg5Al(AlSi3O10)(OH)8
AlAluminium
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Clinochlore var. Talc-chloriteMg5Al(AlSi3O10)(OH)8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Opal var. Opal-ASiO2 · nH2O
Siⓘ Clinochlore var. Talc-chloriteMg5Al(AlSi3O10)(OH)8
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ ArgyroditeAg8GeS6
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CinnabarHgS
Sⓘ CobaltiteCoAsS
Sⓘ CovelliteCuS
Sⓘ CubaniteCuFe2S3
Sⓘ DigeniteCu9S5
Sⓘ DjurleiteCu31S16
Sⓘ GalenaPbS
Sⓘ GeeriteCu8S5
Sⓘ Glaucodot(Co0.50Fe0.50)AsS
Sⓘ IdaiteCu5FeS6
Sⓘ IsocubaniteCuFe2S3
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ RoxbyiteCu58S32
Sⓘ SphaleriteZnS
Sⓘ SpionkopiteCu39S28
Sⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Sⓘ TetradymiteBi2Te2S
Sⓘ Wurtzite(Zn,Fe)S
Sⓘ YarrowiteCu9S8
ClChlorine
Clⓘ AtacamiteCu2(OH)3Cl
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ AnhydriteCaSO4
Caⓘ AragoniteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTiO(SiO4)
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ CubaniteCuFe2S3
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Glaucodot(Co0.50Fe0.50)AsS
Feⓘ GoethiteFe3+O(OH)
Feⓘ HematiteFe2O3
Feⓘ IdaiteCu5FeS6
Feⓘ IlmeniteFe2+TiO3
Feⓘ IsocubaniteCuFe2S3
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ LepidocrociteFe3+O(OH)
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Wurtzite(Zn,Fe)S
Feⓘ Hematite var. SpeculariteFe2O3
CoCobalt
Coⓘ CobaltiteCoAsS
Coⓘ Glaucodot(Co0.50Fe0.50)AsS
NiNickel
Niⓘ MeloniteNiTe2
CuCopper
Cuⓘ AtacamiteCu2(OH)3Cl
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ CubaniteCuFe2S3
Cuⓘ Native CopperCu
Cuⓘ DigeniteCu9S5
Cuⓘ DjurleiteCu31S16
Cuⓘ GeeriteCu8S5
Cuⓘ IdaiteCu5FeS6
Cuⓘ IsocubaniteCuFe2S3
Cuⓘ RoxbyiteCu58S32
Cuⓘ SpionkopiteCu39S28
Cuⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
Cuⓘ YarrowiteCu9S8
ZnZinc
Znⓘ SphaleriteZnS
Znⓘ Wurtzite(Zn,Fe)S
GeGermanium
Geⓘ ArgyroditeAg8GeS6
AsArsenic
Asⓘ Native ArsenicAs
Asⓘ CobaltiteCoAsS
Asⓘ Glaucodot(Co0.50Fe0.50)AsS
Asⓘ Tennantite SubgroupCu6(Cu4C22+)As4S12S
SeSelenium
Seⓘ ClausthalitePbSe
Seⓘ NaumanniteAg2Se
AgSilver
Agⓘ ArgyroditeAg8GeS6
Agⓘ Native Gold var. Electrum(Au,Ag)
Agⓘ HessiteAg2Te
Agⓘ NaumanniteAg2Se
Agⓘ Native SilverAg
Agⓘ StütziteAg5-xTe3, x = 0.24-0.36
SbAntimony
Sbⓘ AurostibiteAuSb2
TeTellurium
Teⓘ AltaitePbTe
Teⓘ CalaveriteAuTe2
Teⓘ HessiteAg2Te
Teⓘ MeloniteNiTe2
Teⓘ StütziteAg5-xTe3, x = 0.24-0.36
Teⓘ TellurobismuthiteBi2Te3
Teⓘ TetradymiteBi2Te2S
BaBarium
Baⓘ BaryteBaSO4
AuGold
Auⓘ AurostibiteAuSb2
Auⓘ CalaveriteAuTe2
Auⓘ Native Gold var. Electrum(Au,Ag)
Auⓘ Native GoldAu
HgMercury
Hgⓘ CinnabarHgS
PbLead
Pbⓘ AltaitePbTe
Pbⓘ ClausthalitePbSe
Pbⓘ GalenaPbS
BiBismuth
Biⓘ TellurobismuthiteBi2Te3
Biⓘ TetradymiteBi2Te2S

Localities in this Region

Atlantic Ocean

Other Regions, Features and Areas containing this locality

African PlateTectonic Plate
Atlantic OceanOcean

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

Vlasov E.A., Pertsev A.N., Kotova M.S., Beltenev V.E. (2010) Ore-hosting metasomatic rocks of hydrothermal fields in the ore cluster «Semenov» region (Mid-Atlantic ridge, 13°31'). Abstracts of XXVII International conference School «Geochemistry of Alkaline rocks». – Moscow-Koktebel’. pp. 240 pp.
Cherkashev, G. A., Ivanov, V. N., Bel’tenev, V. I., Lazareva, L. I., Rozhdestvenskaya, I. I., Samovarov, M. L., Poroshina, I. M., Sergeev, M. B., Stepanova, T. V., Dobretsova, I. G., et al. (2013) Massive sulfide ores of the northern equatorial Mid-Atlantic Ridge. Oceanology, 53 (5). 607-619 doi:10.1134/s0001437013050032
Melekestseva, Irina Yu., Tret'yakov, Gennady A., Nimis, Paolo, Yuminov, Anatoly M., Maslennikov, Valery V., Maslennikova, Svetlana P., Kotlyarov, Vasily A., Beltenev, Victor E., Danyushevsky, Leonid V., Large, Ross (2014) Barite-rich massive sulfides from the Semenov-1 hydrothermal field (Mid-Atlantic Ridge, 13°30.87′ N): Evidence for phase separation and magmatic input. Marine Geology, 349. 37-54 doi:10.1016/j.margeo.2013.12.013
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