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Finn Chimney, Mothra vent field, Endeavor segment, Juan de Fuca Ridge complex, East Pacific Rise, Pacific Oceani
Regional Level Types
Finn Chimney- not defined -
Mothra vent field- not defined -
Endeavor segment- not defined -
Juan de Fuca Ridge complexComplex
East Pacific Rise- not defined -
Pacific OceanOcean

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Latitude & Longitude (WGS84): 47° 55' North , 129° 6' West
Latitude & Longitude (decimal): 47.91667,-129.10000
GeoHash:G#: c0s0w6bnz


A "black smoker" occurrence. Hydrothermal waters to 302°C. Recovered from the Faulty Towers complex of chimneys (along with Fang and Roane).
The recovered portion of Finn was 1.6 m long and weighed 1,300 kg in air upon
recovery. The chimney wall thickness varied from 5 to 42 cm along the length of the structure. The central conduit of the chimney was approximately 15 to 25 cm wide.

Regions containing this locality

Juan de Fuca PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Anhydrite
Formula: CaSO4
Baryte
Formula: BaSO4
Chalcopyrite
Formula: CuFeS2
'Limonite'
Formula: (Fe,O,OH,H2O)
Marcasite
Formula: FeS2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Sphalerite
Formula: ZnS
Wurtzite
Formula: (Zn,Fe)S

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Wurtzite2.CB.45(Zn,Fe)S
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Baryte7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals for each chemical element

HHydrogen
H Limonite(Fe,O,OH,H2O)
OOxygen
O BaryteBaSO4
O AnhydriteCaSO4
O Limonite(Fe,O,OH,H2O)
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S PyriteFeS2
S SphaleriteZnS
S BaryteBaSO4
S AnhydriteCaSO4
S ChalcopyriteCuFeS2
S Wurtzite(Zn,Fe)S
S MarcasiteFeS2
CaCalcium
Ca AnhydriteCaSO4
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe Limonite(Fe,O,OH,H2O)
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
Zn Wurtzite(Zn,Fe)S
BaBarium
Ba BaryteBaSO4

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Fantle, Matthew, DePaolo, Donald J & Anonymous (2001), Iron isotopic and elemental composition of sulfide minerals from the black smoker Finn: Abstracts with Programs Geological Society of America Meeting:33 (6): 182.
Schrenk, M. O., Kelley, D. S., Delaney, J. R., & Baross, J. A. (2003). Incidence and diversity of microorganisms within the walls of an active deep-sea sulfide chimney. Applied and Environmental Microbiology, 69(6), 3580-3592.


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