Oni-no-Iwaya cave, Hiroshima, Japani
| Regional Level Types | |
|---|---|
| Oni-no-Iwaya cave | Cave |
| Hiroshima | Prefecture |
| Japan | Country |
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Key
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Latitude & Longitude (WGS84):
34° North , 132° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~76km
Locality type:
Köppen climate type:
Soluble salts leaching from bat guano react with cave-floor clays.
Regions containing this locality
| Asia | Continent |
| Amur Plate | Tectonic Plate |
| Honshu Island, Japan | Island |
Select Mineral List Type
Standard Detailed Strunz Dana Chemical ElementsDetailed Mineral List:
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ Ardealite Formula: Ca2(HPO4)(SO4) · 4H2O Reference: Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV |
| ⓘ 'Chlorite Group' Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ Gypsum Formula: CaSO4 · 2H2O Reference: Alfredo Petrov collection |
| ⓘ 'Halloysite' Formula: Al2(Si2O5)(OH)4 Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ 'Mica Group' Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ Montmorillonite Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
| ⓘ Taranakite Formula: (K,NH4)Al3(PO4)3(OH) · 9H2O Reference: Sakae and Sudo (1975) Am. Min. 60, 331-334; Aizawa and Fuji (1993) Journ. Speleol. Soc. Japan, 18, 11-16. |
List of minerals arranged by Strunz 10th Edition classification
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
|---|---|---|---|
| ⓘ | Gypsum | 7.CD.40 | CaSO4 · 2H2O |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Ardealite | 8.CJ.50 | Ca2(HPO4)(SO4) · 4H2O |
| ⓘ | Taranakite | 8.CH.25 | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| Group 9 - Silicates | |||
| ⓘ | 'Halloysite' | 9.ED.10 | Al2(Si2O5)(OH)4 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Montmorillonite | 9.EC.40 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Mica Group' | - | |
List of minerals arranged by Dana 8th Edition classification
| Group 29 - HYDRATED ACID AND NORMAL SULFATES | |||
|---|---|---|---|
| AXO4·xH2O | |||
| ⓘ | Gypsum | 29.6.3.1 | CaSO4 · 2H2O |
| Group 39 - HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES | |||
| Miscellaneous | |||
| ⓘ | Taranakite | 39.3.6.1 | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| Group 43 - COMPOUND PHOSPHATES, ETC. | |||
| Acid Compound Phosphates, etc· | |||
| ⓘ | Ardealite | 43.1.1.1 | Ca2(HPO4)(SO4) · 4H2O |
| Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings | |||
| Sheets of 6-membered rings with 1:1 layers | |||
| ⓘ | 'Halloysite' | 71.1.1.4 | Al2(Si2O5)(OH)4 |
| Sheets of 6-membered rings with 2:1 clays | |||
| ⓘ | Montmorillonite | 71.3.1a.2 | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Unclassified Minerals, Mixtures, etc. | |||
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | Kaolinite | - | Al2(Si2O5)(OH)4 |
| ⓘ | 'Mica Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| H | ⓘ Ardealite | Ca2(HPO4)(SO4) · 4H2O |
| H | ⓘ Taranakite | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| H | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| H | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Gypsum | CaSO4 · 2H2O |
| O | Oxygen | |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | ⓘ Ardealite | Ca2(HPO4)(SO4) · 4H2O |
| O | ⓘ Taranakite | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| O | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| O | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Gypsum | CaSO4 · 2H2O |
| F | Fluorine | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Mg | Magnesium | |
| Mg | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Al | Aluminium | |
| Al | ⓘ Taranakite | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| Al | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Al | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | Silicon | |
| Si | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Si | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| P | ⓘ Ardealite | Ca2(HPO4)(SO4) · 4H2O |
| P | ⓘ Taranakite | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| S | Sulfur | |
| S | ⓘ Ardealite | Ca2(HPO4)(SO4) · 4H2O |
| S | ⓘ Gypsum | CaSO4 · 2H2O |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Taranakite | (K,NH4)Al3(PO4)3(OH) · 9H2O |
| Ca | Calcium | |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | ⓘ Ardealite | Ca2(HPO4)(SO4) · 4H2O |
| Ca | ⓘ Montmorillonite | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
| Ca | ⓘ Gypsum | CaSO4 · 2H2O |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)- Sakae, T. and Sudo, T. (1975): Taranakite from the Onino-Iwaya Limestone Cave at Hiroshima Prefecture, Japan: A New Occurrence. Am. Min. 60, 331-334.
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