Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ 'Chlorite Group'

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Corundum

Formula: Al₂O₃

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Diaspore

Formula: AlO(OH)

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Dickite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Epidote

Formula: {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Fluorite

Formula: CaF₂

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Montmorillonite

Formula: (Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Nacrite

Formula: Al₂(Si₂O₅)(OH)₄

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Pyrite

Formula: FeS₂

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Pyrophyllite

Formula: Al₂Si₄O₁₀(OH)₂

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Quartz

Formula: SiO₂

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ 'Tourmaline'

Formula: AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Description: "white tourmaline" (species not determined)

Reference: H. Takeshi (1953) Koubutsugaku Zasshi, 1, #3, 105.; Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

ⓘ Zunyite

Formula: Al₁₃Si₅O₂₀(OH,F)₁₈Cl

Locality: Kanakura mine, Shimotakai District, Nagano Prefecture, Japan

Reference: Fujii, N., & Inoue, H. (1971). Geologic Features and Classification of the Pyrophyllite Deposits in the Hokushin District, Central Japan. Mining Geology, 21(110), 407-417.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Böhmite	4.FE.15	AlO(OH)
ⓘ	Corundum	4.CB.05	Al₂O₃
ⓘ	Diaspore	4.FD.10	AlO(OH)
ⓘ	Quartz	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Dickite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Epidote	9.BG.05a	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
ⓘ	Montmorillonite	9.EC.40	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
ⓘ	Nacrite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Pyrophyllite	9.EC.10	Al₂Si₄O₁₀(OH)₂
ⓘ	Zunyite	9.BJ.55	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Unclassified Minerals, Rocks, etc.
ⓘ	'Chlorite Group'	-
ⓘ	'Tourmaline'	-	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
H	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
H	ⓘ Diaspore	AlO(OH)
H	ⓘ Nacrite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Dickite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Böhmite	AlO(OH)
H	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
H	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
B	Boron
B	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	Oxygen
O	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
O	ⓘ Tourmaline	AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
O	ⓘ Diaspore	AlO(OH)
O	ⓘ Nacrite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Dickite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Böhmite	AlO(OH)
O	ⓘ Quartz	SiO₂
O	ⓘ Corundum	Al₂O₃
O	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
O	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
F	Fluorine
F	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
F	ⓘ Fluorite	CaF₂
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	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Al	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Al	ⓘ Diaspore	AlO(OH)
Al	ⓘ Nacrite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Dickite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Böhmite	AlO(OH)
Al	ⓘ Corundum	Al₂O₃
Al	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Al	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Si	Silicon
Si	ⓘ Pyrophyllite	Al₂Si₄O₁₀(OH)₂
Si	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Si	ⓘ Nacrite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Dickite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Quartz	SiO₂
Si	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Si	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
S	Sulfur
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Zunyite	Al₁₃Si₅O₂₀(OH,F)₁₈Cl
Ca	Calcium
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Ca	ⓘ Montmorillonite	(Na,Ca)_0.33(Al,Mg)₂(Si₄O₁₀)(OH)₂ · nH₂O
Fe	Iron
Fe	ⓘ Epidote	{Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
Fe	ⓘ Pyrite	FeS₂

Fossils

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

BETA TEST - 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

3.60 Ma (Pliocene)

Oldest Fossil Listed

11.6 Ma (Miocene)

Stratigraphic Units

Unit	No. Occurrences	Age
Tamagigawa	1	11.608 - 3.6 Ma (Neogene)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Odobenidae family	Animalia : Chordata : Mammalia : Carnivora : Odobenidae	11.608 - 3.6 Ma Neogene

Fossil Localities

Click to show 1 fossil locality

Japan

Nagano Prefecture
- Neogene🐚 Oosima

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Shimotakai_District,_Nagano
Wikidata ID:	Q1130962
GeoNames ID:	1852186

Localities in this Region

Japan

Nagano Prefecture
- Shimotakai District
  - Kanakura mine

Other Regions, Features and Areas that Intersect

Japan

Honshu IslandIsland

Okhotsk PlateTectonic Plate

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List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

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Shimotakai District, Nagano Prefecture, Japan i
Regional Level Types
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