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Hokko prospect, Ofuna river, Kameda Peninsula, Oshima Subprefecture, Hokkaidō, Japani
Regional Level Types
Hokko prospectProspect
Ofuna riverRiver
Kameda PeninsulaPeninsula
Oshima SubprefectureSubprefecture
HokkaidōPrefecture
JapanCountry

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Key
Latitude & Longitude:
43° North , 142° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~338km
Locality type:


Low-sulphidation, epithermal gold deposit.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 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!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
'Chlorite Group'
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
'Electrum'
Formula: (Au, Ag)
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Gold
Formula: Au
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.; Watanabe, Y., Aoki, M., & Nakajima, N. (1996). Age and style of epithermal gold mineralization in the Minamikayabe area, southwestern Hokkaido. Shigen-Chishitsu, 46(260), 317-326.
'K Feldspar'
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Pyrite
Formula: FeS2
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.; Watanabe, Y., Aoki, M., & Nakajima, N. (1996). Age and style of epithermal gold mineralization in the Minamikayabe area, southwestern Hokkaido. Shigen-Chishitsu, 46(260), 317-326.
Quartz
Formula: SiO2
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.; Watanabe, Y., Aoki, M., & Nakajima, N. (1996). Age and style of epithermal gold mineralization in the Minamikayabe area, southwestern Hokkaido. Shigen-Chishitsu, 46(260), 317-326.
Quartz var: Chalcedony
Formula: SiO2
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
'Smectite Group'
Formula: A0.3D2-3[T4O10]Z2 · nH2O
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Sphalerite
Formula: ZnS
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.
Wairakite
Formula: Ca(Al2Si4O12) · 2H2O
Reference: Scott, A.-M., and Watanabe, Y. (1998): Mineralium Deposita 33, 568-578.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Electrum'1.AA.05(Au, Ag)
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Wairakite9.GB.05Ca(Al2Si4O12) · 2H2O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Wairakite77.1.1.3Ca(Al2Si4O12) · 2H2O
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
'Electrum'-(Au, Ag)
'K Feldspar'-
'var: Adularia'-KAlSi3O8
Quartz
var: Chalcedony
-SiO2
'Smectite Group'-A0.3D2-3[T4O10]Z2 · nH2O

List of minerals for each chemical element

HHydrogen
H LaumontiteCaAl2Si4O12 · 4H2O
H WairakiteCa(Al2Si4O12) · 2H2O
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O QuartzSiO2
O K Feldspar (var: Adularia)KAlSi3O8
O CalciteCaCO3
O LaumontiteCaAl2Si4O12 · 4H2O
O WairakiteCa(Al2Si4O12) · 2H2O
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O Smectite GroupA0.3D2-3[T4O10]Z2 · nH2O
O Quartz (var: Chalcedony)SiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
AlAluminium
Al K Feldspar (var: Adularia)KAlSi3O8
Al LaumontiteCaAl2Si4O12 · 4H2O
Al WairakiteCa(Al2Si4O12) · 2H2O
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si QuartzSiO2
Si K Feldspar (var: Adularia)KAlSi3O8
Si LaumontiteCaAl2Si4O12 · 4H2O
Si WairakiteCa(Al2Si4O12) · 2H2O
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si Quartz (var: Chalcedony)SiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
SSulfur
S PyriteFeS2
S SphaleriteZnS
KPotassium
K K Feldspar (var: Adularia)KAlSi3O8
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca WairakiteCa(Al2Si4O12) · 2H2O
FeIron
Fe PyriteFeS2
ZnZinc
Zn SphaleriteZnS
AgSilver
Ag Electrum(Au, Ag)
AuGold
Au Electrum(Au, Ag)
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Scott, A.-M., and Watanabe, Y. (1998): "Extreme boiling" model for variable salinity of the Hokko low-sulfidation epithermal Au prospect, southwestern Hokkaido, Japan. Mineralium Deposita 33, 568-578.


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