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Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan i
Regional Level Types
Yonaguni Knoll IV Hydrothermal Field Group of Hydrothermal Vents
Okinawa Trough - not defined -
Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands) Group of Islands
Ishigaki City City
Okinawa Prefecture Prefecture
Japan Country

Regional Level Types
Yonaguni Knoll IV Hydrothermal Field	Group of Hydrothermal Vents
Okinawa Trough	- not defined -
Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands)	Group of Islands
Ishigaki City	City
Okinawa Prefecture	Prefecture
Japan	Country

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Latitude & Longitude (WGS84):

24° 51' North , 122° 42' East

Latitude & Longitude (decimal):

G#: wsrm25g3t

Type:

Group of Hydrothermal Vents

Nearest Settlements:

Place	Population	Distance
Yonakuni	1,684 (2017)	52.3km

Mindat Locality ID:

259191

Long-form identifier:

mindat:1:2:259191:2

GUID (UUID V4):

8b2dad49-8f31-4b21-8508-e5424997b514

Other/historical names associated with this locality:

Daiyon-Yonaguni Knoll

The collected hydrothermal precipitates demonstrated a diverse range of mineralization, which can be classiﬁed into ﬁve groups: (i) anhydrite-rich chimneys, immature precipitates including sulﬁde disseminations in anhydrite; (ii) massive Zn-Pb-Cu sulﬁdes, consisting of sphalerite, wurtzite, galena, chalco-pyrite, pyrite, and marcasite; (iii) Ba-As chimneys, composed of barite with sulﬁde disseminations, sometimes associated with realgar and orpiment overgrowth; (iv) Mn-rich chimneys, consisting of carbonates (calcite and magnesite) and sulﬁdes (sphalerite, galena, chalcopyrite, alabandite, and minor amount of tennantite and enargite); and (v) pavement, siliciﬁed sediment including abundant native sulfur or barite. Sulﬁde/sulfate mineralization (groups i – iii) was found in the chimney–mound structure associated with vapor-loss (Cl-enriched) ﬂuid venting.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

28 valid minerals.

Detailed Mineral List:

ⓘ Alabandite

Formula: MnS

References:

Kaul, G., Chiba, I., & Katsuo, K. (2005) Tin-bearing chalcopyrite and platinum-bearing bismuthinite in the active Tiger chimney, Yonaguni Knoll IV seaﬂoor hydrothermal system, South Okinawa Trough, Japan. Earth Science Reports, 12:1-5

Suzuki, R., Ishibashi, J. I., Nakaseama, M., Konno, U., Tsunogai, U., Gena, K., & Chiba, H. (2008). Diverse range of mineralization induced by phase separation of hydrothermal fluid: Case study of the Yonaguni Knoll IV Hydrothermal Field in the Okinawa Trough Back‐Arc Basin. Resource geology, 58(3), 267-288.

ⓘ Anhydrite

Formula: CaSO₄

Localities:

References:

Kaul, G., Chiba, H., & Katsuo, K. (2005) Tin-bearing chalcopyrite and platinum-bearing bismuthinite in the active Tiger chimney, Yonaguni Knoll IV seaﬂoor hydrothermal system, South Okinawa Trough, Japan. Earth Science Reports, 2.

Gena, K., Chiba, H., Kase, K., Nakashima, K., & Ishiyama, D. (2013). The Tiger Sulfide Chimney, Yonaguni Knoll IV Hydrothermal Field, Southern Okinawa Trough, Japan: The First Reported Occurrence of Pt–Cu–Fe‐Bearing Bismuthinite and Sn‐Bearing Chalcopyrite in an Active Seafloor Hydrothermal System. Resource Geology, 63(4), 360-370.

ⓘ Baryte

Formula: BaSO₄

Localities:

References:

Dekov, V.M., Kyono, K., Yasukawa, K., Guéguen, B., Ivarsson, M., Kamenov, G.D., Yamanaka, T., Asael, D., Ishida, M., Cavalcante, L.L., Kato, Y., Toki, T., Ishibashi, J.-I. (2022) Mineralogy, geochemistry and microbiology insights into precipitation of stibnite and orpiment at the Daiyon-Yonaguni Knoll (Okinawa Trough) hydrothermal barite deposits. Chemical Geology, 610. 121092 doi:10.1016/j.chemgeo.2022.121092

ⓘ Bismuthinite

Formula: Bi₂S₃

Locality: Tiger Sulfide Chimney, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

ⓘ Bornite

Formula: Cu₅FeS₄

References:

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Chalcocite

Formula: Cu₂S

References:

ⓘ Chalcopyrite

Formula: CuFeS₂

Localities:

References:

ⓘ Covellite

Formula: CuS

References:

ⓘ Enargite

Formula: Cu₃AsS₄

References:

ⓘ Galena

Formula: PbS

Localities:

References:

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

Localities:

Tiger Sulfide Chimney, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan
Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan
Abyss vent, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

References:

ⓘ Isocubanite

Formula: CuFe₂S₃

Locality: Tiger Sulfide Chimney, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

ⓘ Magnesite

Formula: MgCO₃

References:

ⓘ Marcasite

Formula: FeS₂

References:

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Localities:

Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan
Abyss vent, Yonaguni Knoll IV Hydrothermal Field, Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Ishigaki City, Okinawa Prefecture, Japan

References:

ⓘ Nukundamite

Formula: Cu_3.33Fe_0.66S₄

References:

ⓘ Orpiment

Formula: As₂S₃

Localities:

References:

ⓘ Pyrite

Formula: FeS₂

Localities:

References:

ⓘ Pyrrhotite

Formula: Fe_1-xS

References:

ⓘ Quartz

Formula: SiO₂

Localities:

References:

ⓘ Realgar

Formula: As₄S₄

References:

ⓘ Rhodochrosite

Formula: MnCO₃

References:

ⓘ Samsonite

Formula: Ag₄MnSb₂S₆

References:

ⓘ Sphalerite

Formula: ZnS

Localities:

References:

ⓘ Stibnite

Formula: Sb₂S₃

Localities:

References:

ⓘ Sulphur

Formula: S₈

Localities:

References:

ⓘ 'Tennantite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)As₄S₁₂S

References:

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S

References:

ⓘ Wurtzite

Formula: (Zn,Fe)S

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Sulphur	1.CC.05	S₈
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcocite	2.BA.05	Cu₂S
ⓘ	Bornite	2.BA.15	Cu₅FeS₄
ⓘ	Covellite	2.CA.05a	CuS
ⓘ	Nukundamite	2.CA.10	Cu_3.33Fe_0.66S₄
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Wurtzite	2.CB.45	(Zn,Fe)S
ⓘ	Isocubanite	2.CB.55b	CuFe₂S₃
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Alabandite	2.CD.10	MnS
ⓘ	Galena	2.CD.10	PbS
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Bismuthinite	2.DB.05	Bi₂S₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Realgar	2.FA.15a	As₄S₄
ⓘ	Orpiment	2.FA.30	As₂S₃
ⓘ	Samsonite	2.GA.15	Ag₄MnSb₂S₆
ⓘ	'Tennantite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)As₄S₁₂S
ⓘ	'Tetrahedrite Subgroup'	2.GB.05	Cu₆(Cu₄C²⁺₂)Sb₄S₁₂S
ⓘ	Enargite	2.KA.05	Cu₃AsS₄
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Rhodochrosite	5.AB.05	MnCO₃
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Gypsum	CaSO₄ · 2H₂O
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Magnesite	MgCO₃
C	ⓘ Rhodochrosite	MnCO₃
O	Oxygen
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Baryte	BaSO₄
O	ⓘ Calcite	CaCO₃
O	ⓘ Gypsum	CaSO₄ · 2H₂O
O	ⓘ Magnesite	MgCO₃
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
O	ⓘ Quartz	SiO₂
O	ⓘ Rhodochrosite	MnCO₃
Na	Sodium
Na	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mg	Magnesium
Mg	ⓘ Magnesite	MgCO₃
Mg	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Al	Aluminium
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	Silicon
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	ⓘ Quartz	SiO₂
S	Sulfur
S	ⓘ Alabandite	MnS
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Baryte	BaSO₄
S	ⓘ Bismuthinite	Bi₂S₃
S	ⓘ Bornite	Cu₅FeS₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Chalcocite	Cu₂S
S	ⓘ Covellite	CuS
S	ⓘ Enargite	Cu₃AsS₄
S	ⓘ Galena	PbS
S	ⓘ Gypsum	CaSO₄ · 2H₂O
S	ⓘ Isocubanite	CuFe₂S₃
S	ⓘ Marcasite	FeS₂
S	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
S	ⓘ Orpiment	As₂S₃
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Realgar	As₄S₄
S	ⓘ Samsonite	Ag₄MnSb₂S₆
S	ⓘ Sphalerite	ZnS
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Sulphur	S₈
S	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
S	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
S	ⓘ Wurtzite	(Zn,Fe)S
Ca	Calcium
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Mn	Manganese
Mn	ⓘ Alabandite	MnS
Mn	ⓘ Rhodochrosite	MnCO₃
Mn	ⓘ Samsonite	Ag₄MnSb₂S₆
Fe	Iron
Fe	ⓘ Bornite	Cu₅FeS₄
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Isocubanite	CuFe₂S₃
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Wurtzite	(Zn,Fe)S
Cu	Copper
Cu	ⓘ Bornite	Cu₅FeS₄
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Chalcocite	Cu₂S
Cu	ⓘ Covellite	CuS
Cu	ⓘ Enargite	Cu₃AsS₄
Cu	ⓘ Isocubanite	CuFe₂S₃
Cu	ⓘ Nukundamite	Cu_3.33Fe_0.66S₄
Cu	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Cu	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Zn	Zinc
Zn	ⓘ Sphalerite	ZnS
Zn	ⓘ Wurtzite	(Zn,Fe)S
As	Arsenic
As	ⓘ Enargite	Cu₃AsS₄
As	ⓘ Orpiment	As₂S₃
As	ⓘ Realgar	As₄S₄
As	ⓘ Tennantite Subgroup	Cu₆(Cu₄C₂²⁺)As₄S₁₂S
Ag	Silver
Ag	ⓘ Samsonite	Ag₄MnSb₂S₆
Sb	Antimony
Sb	ⓘ Samsonite	Ag₄MnSb₂S₆
Sb	ⓘ Stibnite	Sb₂S₃
Sb	ⓘ Tetrahedrite Subgroup	Cu₆(Cu₄C₂²⁺)Sb₄S₁₂S
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Pb	Lead
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Bismuthinite	Bi₂S₃

Localities in this Region

Japan

Okinawa Prefecture
- Ishigaki City
  - Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands)
    - Okinawa Trough
      - Yonaguni Knoll IV Hydrothermal Field
        Abyss vent
        Crystal Sulfide Chimney
        Lion Sulfide Chimney
        Swallow Sulfide Chimney
        Tiger Sulfide Chimney

Other Regions, Features and Areas containing this locality

Okinawa PlateTectonic 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, 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

Kaul, G., Chiba, I. , & Katsuo, K. (2005) Tin-bearing chalcopyrite and platinum-bearing bismuthinite in the active Tiger chimney, Yonaguni Knoll IV seaﬂoor hydrothermal system, South Okinawa Trough, Japan. Earth Science Reports, 12:1-5

[1] Suzuki, R., Ishibashi, J. I., Nakaseama, M., Konno, U., Tsunogai, U., Gena, K., & Chiba, H. (2008). Diverse range of mineralization induced by phase separation of hydrothermal fluid: Case study of the Yonaguni Knoll IV Hydrothermal Field in the Okinawa Trough Back‐Arc Basin. Resource geology, 58(3), 267-288.

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