The bauxite deposit in the Kolijan area is present in five discrete outcrops as stratiform layers and lenses in karstic sinkholes and depressions of the middle Permian dolomitic limestones of the Ruteh Formation. They have a length of 1.4 km and a variable thickness from 8 to 18 m with an overall trend of NE–SW and NW–SE. According to field observations, ores of these five layers and lenses have various colors, ranging from red, brownish red, brick red, through gray, to green, greenish cream, and white. The white, gray, green, and greenish cream ores are clay-rich bauxites and bauxitic clays, and mainly occur in the upper parts of layers and lenses. Whereas, red, brownish red, and brick-red ores are Al-bearing iron ores and mainly occur in the lower parts of layers and lenses. The Al-bearing iron ores are massive with high specific gravity and hardness. The supergene oxidation on the surface, the presence of macropisoids, ooids, pisoids, and nodular forms, and traces of manganese dendrites are the significant mesoscopic characteristics of the Al-bearing iron ores.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Bauxite (Aluminium)

Mineral List

13 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

ⓘ Bauxite

ⓘ Concretion

ⓘ Limestone

ⓘ 'Magnesian Limestone'

ⓘ Phyllite

ⓘ Sandstone

ⓘ Shale

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

References:

Abedini, Ali, Khosravi, Maryam (2024) Geochemical Characteristics of Aluminum-Bearing Iron Ores: A Case Study from the Kolijan Karst-Type Bauxite Deposit, Northwestern Iran. Minerals, 14 (2) doi:10.3390/min14020151

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

References:

ⓘ Amesite

Formula: Mg₂Al(AlSiO₅)(OH)₄

References:

ⓘ Anatase

Formula: TiO₂

References:

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Crandallite

Formula: CaAl₃(PO₄)(PO₃OH)(OH)₆

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ⓘ Dolomite

Formula: CaMg(CO₃)₂

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ⓘ Goethite

Formula: α-Fe³⁺O(OH)

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ⓘ Hematite

Formula: Fe₂O₃

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ⓘ Kaolinite

Formula: Al₂(Si₂O₅)(OH)₄

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ⓘ 'Manganese Oxides'

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ⓘ 'Manganese Oxides var. Manganese Dendrites'

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ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

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ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

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ⓘ Parisite-(Ce)

Formula: CaCe₂(CO₃)₃F₂

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ⓘ Pyrolusite

Formula: Mn⁴⁺O₂

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ⓘ Rutile

Formula: TiO₂

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Goethite	4.00.	α-Fe³⁺O(OH)
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Pyrolusite	4.DB.05	Mn⁴⁺O₂
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Parisite-(Ce)	5.BD.20b	CaCe₂(CO₃)₃F₂
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Crandallite	8.BL.10	CaAl₃(PO₄)(PO₃OH)(OH)₆
Group 9 - Silicates
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Kaolinite	9.ED.05	Al₂(Si₂O₅)(OH)₄
ⓘ	Amesite	9.ED.15	Mg₂Al(AlSiO₅)(OH)₄
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
Unclassified
ⓘ	'Manganese Oxides var. Manganese Dendrites'	-
ⓘ	''	-

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
H	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
H	ⓘ Goethite	α-Fe³⁺O(OH)
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
C	Carbon
C	ⓘ Calcite	CaCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
O	ⓘ Anatase	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Goethite	α-Fe³⁺O(OH)
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
O	ⓘ Pyrolusite	Mn⁴⁺O₂
O	ⓘ Rutile	TiO₂
F	Fluorine
F	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Mg	Magnesium
Mg	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Al	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Amesite	Mg₂Al(AlSiO₅)(OH)₄
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Kaolinite	Al₂(Si₂O₅)(OH)₄
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
P	Phosphorus
P	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
K	Potassium
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Crandallite	CaAl₃(PO₄)(PO₃OH)(OH)₆
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Rutile	TiO₂
Mn	Manganese
Mn	ⓘ Pyrolusite	Mn⁴⁺O₂
Fe	Iron
Fe	ⓘ Goethite	α-Fe³⁺O(OH)
Fe	ⓘ Hematite	Fe₂O₃
Ce	Cerium
Ce	ⓘ Parisite-(Ce)	CaCe₂(CO₃)₃F₂

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.

References

[1]Abedini, Ali, Khosravi, Maryam (2024) Geochemical Characteristics of Aluminum-Bearing Iron Ores: A Case Study from the Kolijan Karst-Type Bauxite Deposit, Northwestern Iran. Minerals, 14 (2) doi:10.3390/min14020151

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Kolijan bauxite deposit, Mahabad County, West Azerbaijan Province, IraniRegional Level TypesKolijan bauxite depositDeposit Mahabad CountyCounty West Azerbaijan ProvinceProvince IranCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Commodity List

Mineral List

Rock Types Recorded

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Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

References

Kolijan bauxite deposit, Mahabad County, West Azerbaijan Province, Iran i
Regional Level Types
Kolijan bauxite deposit Deposit
Mahabad County County
West Azerbaijan Province Province
Iran Country