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TA25 West vent field, Tonga-Kermadec Arc, Pacific Oceani
Regional Level Types
TA25 West vent fieldHydrothermal Vent
Tonga-Kermadec ArcOceanic Ridge
Pacific OceanOcean

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Latitude & Longitude (WGS84):
24° 36' 0'' South , 176° 56' 59'' West
Latitude & Longitude (decimal):
-24.60000,-176.95000
GRN:
S17W114
Type:
Hydrothermal Vent
Mindat Locality ID:
435627
Long-form identifier:
mindat:1:2:435627:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
TA25 WVF


The field is a magmatic–hydrothermal system in the Tonga (Tofua) arc.
The TA25 WVF is at depths of 966 - 1096 metres.

The caldera, which has a diameter of about 6.5 km, sits on a volcanic platform with basal dimensions of 17 × 14 km. The caldera lies at a 1500-m water depth and is surrounded by 600- to 900-m-high caldera walls.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAcanthite
Formula:Ag2S
ⓘAnglesite
Formula:PbSO4
ⓘAnhydrite
Formula:CaSO4
ⓘBaryte
Formula:BaSO4
ⓘBornite
Formula:Cu5FeS4
ⓘChalcopyrite
Formula:CuFeS2
ⓘCovellite
Formula:CuS
ⓘEnargite
Formula:Cu3AsS4
ⓘGalena
Formula:PbS
ⓘGypsum
Formula:CaSO4 · 2H2O
ⓘMarcasite
Formula:FeS2
ⓘMimetite
Formula:Pb5(AsO4)3Cl
ⓘPearceite
Formula:[Ag6As2S7][Ag9CuS4]
ⓘPolybasite
Formula:[Ag6Sb2S7][Ag9CuS4]
ⓘPyrite
Formula:FeS2
ⓘRealgar
Formula:As4S4
ⓘSphalerite
Formula:ZnS
ⓘ'Tennantite Subgroup'
Formula:Cu6(Cu4C2+2)As4S12S
ⓘ'Tetrahedrite Subgroup'
Formula:Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘAcanthite2.BA.35Ag2S
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘRealgar2.FA.15aAs4S4
ⓘ'Tennantite Subgroup'2.GB.05Cu6(Cu4C2+2)As4S12S
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘPearceite2.GB.15[Ag6As2S7][Ag9CuS4]
ⓘPolybasite2.GB.15[Ag6Sb2S7][Ag9CuS4]
ⓘEnargite2.KA.05Cu3AsS4
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
ⓘAnglesite7.AD.35PbSO4
ⓘBaryte7.AD.35BaSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMimetite8.BN.05Pb5(AsO4)3Cl

List of minerals for each chemical element

HHydrogen
HⓘGypsumCaSO4 · 2H2O
OOxygen
OⓘAnglesitePbSO4
OⓘAnhydriteCaSO4
OⓘBaryteBaSO4
OⓘGypsumCaSO4 · 2H2O
OⓘMimetitePb5(AsO4)3Cl
SSulfur
SⓘAcanthiteAg2S
SⓘAnglesitePbSO4
SⓘAnhydriteCaSO4
SⓘBaryteBaSO4
SⓘBorniteCu5FeS4
SⓘChalcopyriteCuFeS2
SⓘCovelliteCuS
SⓘEnargiteCu3AsS4
SⓘGalenaPbS
SⓘGypsumCaSO4 · 2H2O
SⓘMarcasiteFeS2
SⓘPearceite[Ag6As2S7][Ag9CuS4]
SⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
SⓘPyriteFeS2
SⓘRealgarAs4S4
SⓘSphaleriteZnS
SⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
SⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ClChlorine
ClⓘMimetitePb5(AsO4)3Cl
CaCalcium
CaⓘAnhydriteCaSO4
CaⓘGypsumCaSO4 · 2H2O
FeIron
FeⓘBorniteCu5FeS4
FeⓘChalcopyriteCuFeS2
FeⓘMarcasiteFeS2
FeⓘPyriteFeS2
CuCopper
CuⓘBorniteCu5FeS4
CuⓘChalcopyriteCuFeS2
CuⓘCovelliteCuS
CuⓘEnargiteCu3AsS4
CuⓘPearceite[Ag6As2S7][Ag9CuS4]
CuⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
CuⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
CuⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
ZnⓘSphaleriteZnS
AsArsenic
AsⓘEnargiteCu3AsS4
AsⓘMimetitePb5(AsO4)3Cl
AsⓘPearceite[Ag6As2S7][Ag9CuS4]
AsⓘRealgarAs4S4
AsⓘTennantite SubgroupCu6(Cu4C22+)As4S12S
AgSilver
AgⓘAcanthiteAg2S
AgⓘPearceite[Ag6As2S7][Ag9CuS4]
AgⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
SbAntimony
SbⓘPolybasite[Ag6Sb2S7][Ag9CuS4]
SbⓘTetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
BaⓘBaryteBaSO4
PbLead
PbⓘAnglesitePbSO4
PbⓘGalenaPbS
PbⓘMimetitePb5(AsO4)3Cl

Other Regions, Features and Areas containing this locality

Australian Plate

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, pleaseregister so you can add to our database. This locality information is for reference purposes only. You should never attempt tovisit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holdersfor access and that you are aware of all safety precautions necessary.

References

Choi, Sun Ki, Pak, Sang Joon, Park, Jung-Woo, Kim, Hyun-Sub, Kim, Jonguk, Choi, Sang-Hoon (2023) Trace-element distribution and ore-forming processes in Au–Ag-rich hydrothermal chimneys and mounds in the TA25 West vent field of the Tonga Arc.Mineralium Deposita, 58 (1) 135-160doi:10.1007/s00126-022-01136-w
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