Middle Valley, Juan de Fuca Ridge complex, East Pacific Rise, Pacific Ocean
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Latitude & Longitude (WGS84): | 48° 27' 30'' North , 128° 40' 30'' West |
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Latitude & Longitude (decimal): | 48.45833,-128.67500 |
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Mineral List
Mineral list contains entries from the region specified including sub-localities12 valid minerals.
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
Localities in this Region
Pacific Ocean
- East Pacific Rise
- Juan de Fuca Ridge complex
- Middle Valley
- Juan de Fuca Ridge complex
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References
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AMES, D.E., FRANKLIN, J.M. & HANNINGTON, M.D. (1993) Mineralogy and geochemistry of active and inactive chimneys and massive sulfide, Middle Valley, northern Juan de Fuca Ridge: an evolving hydrothermal system. Canadian Mineralogist 31, 997-1024.
GOODFELLOW, W.D., GRAPES, K., CAMERON, B. & FRANKLIN, J.M. (1993) Hydrothermal alteration associated with massive sulfide deposits, Middle Valley, northern Juan de Fuca Ridge. Canadian Mineralogist 31, 1025-1060.
PERCIVAL, J.B & AMES, D.E (1993) Clay mineralogy of active hydrothermal chimneys and an associated mound, Middle Valley, northern Juan de Fuca Ridge. Canadian Mineralogist 31, 957-972.