Tsuzutunu-muru manganese prospects, Kabira, Ishigaki Island, Ishigaki City, Okinawa Prefecture, Japani
| Regional Level Types | |
|---|---|
| Tsuzutunu-muru manganese prospects | Group of Prospects |
| Kabira | - not defined - |
| Ishigaki Island | Island |
| Ishigaki City | City |
| Okinawa Prefecture | Prefecture |
| Japan | Country |
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Latitude & Longitude (WGS84):
24° North , 124° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Group of Prospects
Köppen climate type:
Mindat Locality ID:
131334
Long-form identifier:
mindat:1:2:131334:8
GUID (UUID V4):
88b42166-0551-40b9-93c7-ccb89cbe7d1d
Prospect pits explored for manganese oxides derived by weathering of mylonitized or brecciated chert of the Paleozoic Ishigaki group, associated with silicified tuff breccia and altered white Tertiary Sakieda rhyolite in shear zone. Country rock exhibits disseminated small metallic crystals (pyrite and hematite?). Supergene manganese oxides and limonite occur in cavities and fissures, but quantities were not economic.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 References: |
| ⓘ Goethite Formula: α-Fe3+O(OH) Description: Massive fracture fillings, and mammilary crusts on quartz crystals. References: |
| ⓘ Maghemite Formula: (Fe3+0.67◻0.33)Fe3+2O4 References: |
| ⓘ Quartz Formula: SiO2 Description: Drusy crystal crusts, and as radiating crystals ("star quartz"). References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Goethite | 4.00. | α-Fe3+O(OH) |
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Maghemite | 4.BB.15 | (Fe3+0.67◻0.33)Fe3+2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | α-Fe3+O(OH) |
| O | Oxygen | |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Goethite | α-Fe3+O(OH) |
| O | ⓘ Maghemite | (Fe3+0.67◻0.33)Fe23+O4 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Goethite | α-Fe3+O(OH) |
| Fe | ⓘ Maghemite | (Fe3+0.67◻0.33)Fe23+O4 |
Other Regions, Features and Areas containing this locality
Okinawa PlateTectonic Plate
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