About this location
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Found Here
Geology and deposit
- Host rock
- Slate
- Associated rock
- Diabase, Serpentinite
2 Types Of Faults, One Is N -S W/50 - 100 M Of Offset, One E-W W/10 - 20 M Offset. Also A Nearly Horizontal Fault Has Formed Directly Beneath The Deposit.
Anticlinal-Saddle Structure; Mn-Deposit Is Most Abundant In The Sw Area Of Structure, Where Fold Is Overturned. Also, Faults Split The Deposit Into 5 Ore Bodies. Cinnabar Fills The Fault Shear Zone, And Small Fractures Within The Mn Deposit.
Horizontal Fault Has Been Filled With Graphite
Mining history
- Status
- Past Producer
Records and references
KISHIMOTO, F., 1962 , "MERCURY DEPOSITS OF SHIKOKU, JAPAN", BULL GEOL SUR OF JAPAN, VOL 13 , NO 3 PP 333 - 51OFFICE OF THE GEOL SURVEY OF JAPAN, 1954 , JAPAN MINING MAGAZINE, BI-CYOSHIMURA, T., 1952 , MANGANESE DEPOSITS OF JAPAN. KOBAYASHI, J., 1950 , REGIONAL GEOLOGY OF JAPAN MAGAZINE, SHIKOKU REGION. KISHIMOTO, F., 1962 , JOUR GEOL SUR JAP
Data: USGS Mineral Resources Data System, record 10103765 — view the source record
Difficulty
Getting there
Location on Map
Coordinates: 33.79873, 133.98219
Nearby rockhounding locations
- Nirabuno — CinnabarKōchi · 12.6 mi
- Iyagawa Placer — Cinnabar, GoldTokushima · 12 mi
- Dehara Mine — Calcite, CinnabarTokushima · 13.1 mi
- Aigawa Placer — Cinnabar, GoldTokushima · 19.1 mi
- Naga Buchi — Cinnabar, PyriteKōchi · 19.9 mi
- Kanuyamagawa Gold Placer — Cinnabar, GoldTokushima · 20.7 mi
More Braunite locations in Kōchi
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Recommended Gear
Estwing E3-22P Rock Pick
The industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.
Clear Anti-Fog Safety Glasses (4 Pack)
Adjustable, anti-fog lenses for clear vision in any conditions. About $5 per pair.
Watertight Medical Kit
Compact, waterproof first aid kit with bandages, moleskin, and field essentials.
National Audubon Society Field Guide to Rocks and Minerals
The classic pocket reference for identifying over 600 rocks and minerals in North America.
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