Shimoina District, Nagano Prefecture, Japan i
Regional Level Types
Shimoina District District
Nagano Prefecture Prefecture
Japan Country

Harada, Z., 1950. Datolite and Associated Minerals from the Iwata Copper Mine, Miyazaki Prefecture. Jour. Fac. Sci . Hokkaido Univ . Ser. IV, 7: 217-226

ⓘ Diaspore

Formula: AlO(OH)

Locality: Hiraya village, Shimoina District, Nagano Prefecture, Japan

References:

Harada, Zyunpéi (1954) Chemical Analyses of Japanese Minerals (III). Journal of the Faculty of Science, Hokkaido University, Series 4, Geology and mineralogy = 北海道大學理學部紀要, 8(4): 289-348.

ⓘ Pentlandite

Formula: (Ni_xFe_y)_Σ9S₈

Locality: Tenryu Mine (Aokuzure), Yaekouchi-mura, Shimoina District, Nagano Prefecture, Japan

References:

Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Tenryu Mine (Aokuzure), Yaekouchi-mura, Shimoina District, Nagano Prefecture, Japan

References:

Sadanaga, Ryoichi, Bunno, Michiaki (1974) The Wakabayashi Mineral Collection. Bulletin 7. The University Museum, The University of Tokyo

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Pentlandite	2.BB.15	(Ni_xFe_y)_Σ9S₈
ⓘ	Cubanite	2.CB.55a	CuFe₂S₃
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	var. Danaite	2.EB.20	(Fe_0.90Co_0.10)AsS - (Fe_0.65Co_0.35)AsS
ⓘ	Berthierite	2.HA.20	FeSb₂S₄
Group 4 - Oxides and Hydroxides
ⓘ	Diaspore	4.FD.10	AlO(OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Diaspore	AlO(OH)
O	Oxygen
O	ⓘ Diaspore	AlO(OH)
Al	Aluminium
Al	ⓘ Diaspore	AlO(OH)
S	Sulfur
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Berthierite	FeSb₂S₄
S	ⓘ Cubanite	CuFe₂S₃
S	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Arsenopyrite var. Danaite	(Fe_0.90Co_0.10)AsS - (Fe_0.65Co_0.35)AsS
Fe	Iron
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Berthierite	FeSb₂S₄
Fe	ⓘ Cubanite	CuFe₂S₃
Fe	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Arsenopyrite var. Danaite	(Fe_0.90Co_0.10)AsS - (Fe_0.65Co_0.35)AsS
Co	Cobalt
Co	ⓘ Arsenopyrite var. Danaite	(Fe_0.90Co_0.10)AsS - (Fe_0.65Co_0.35)AsS
Ni	Nickel
Ni	ⓘ Pentlandite	(Ni_xFe_y)_Σ9S₈
Cu	Copper
Cu	ⓘ Cubanite	CuFe₂S₃
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Arsenopyrite var. Danaite	(Fe_0.90Co_0.10)AsS - (Fe_0.65Co_0.35)AsS
Sb	Antimony
Sb	ⓘ Berthierite	FeSb₂S₄

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

16.0 Ma (Miocene)

Oldest Fossil Listed

23.0 Ma (Miocene)

Stratigraphic Units

Unit	No. Occurrences	Age
Tomikusa - Awano	1	23.03 - 15.97 Ma (Miocene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Tymolus ingens species	Animalia : Arthropoda : Malacostraca : Decapoda : Cyclodorippidae : Tymolus : *Tymolus ingens*	23.03 - 15.97 Ma Miocene

Fossil Localities

Click to show 1 fossil locality

Japan

Nagano Prefecture
- Shimoina District
  - Miocene🐚 Awano

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Shimoina_District,_Nagano
Wikidata ID:	Q726999
GeoNames ID:	1852309

Localities in this Region

Japan

Nagano Prefecture
- Shimoina District

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

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Localities in this Region

Shimoina District, Nagano Prefecture, Japan i
Regional Level Types
Shimoina District District
Nagano Prefecture Prefecture
Japan Country