Porphyritic amphibole–plagioclase andesites at the southern margin of the Utanak ultramafic massif (Stanovoi superterrane, Russian Far East) are classified as ore–bearing (fertile) adakites according to geochemical criteria.

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Standard Detailed Gallery Strunz Chemical Elements

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

Detailed Mineral List:

ⓘ 'Allanite Group'

Formula: (A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

References:

Kepezhinskas, Pavel, Berdnikov, Nikolai, Kepezhinskas, Nikita, Konovalova, Natalia (2022) Adakites, High-Nb Basalts and Copper–Gold Deposits in Magmatic Arcs and Collisional Orogens: An Overview. Geosciences, 12 (1) 29pp. doi:10.3390/geosciences12010029

ⓘ 'Amphibole Supergroup'

Formula: AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂

References:

Kepezhinskas, P.K., Berdnikov, N.V., Krutikova, V.O. (2025) METAL AND MINERAL MICROINCLUSIONS IN ADAKITES FROM THE FRAMING OF THE UTANAK MASSIF (Stanovoi superterrane, Russian Far East) AS EVIDENCE FOR METAL ENRICHMENT IN ADAKITIC MAGMAS. Russian Geology and Geophysics, 66 (2). doi:10.2113/rgg20244783

ⓘ Baryte

Formula: BaSO₄

References:

ⓘ Cassiterite

Formula: SnO₂

References:

ⓘ Chalcopyrite

Formula: CuFeS₂

References:

ⓘ 'Chlorite Group'

References:

ⓘ Crocoite

Formula: PbCr⁶⁺O₄

References:

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

References:

ⓘ Galena

Formula: PbS

References:

ⓘ Gold

Formula: Au

References:

ⓘ Insizwaite

Formula: Pt(Bi,Sb)₂

References:

ⓘ 'K Feldspar'

References:

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

References:

ⓘ Platinum

Formula: Pt

References:

ⓘ Pyrite

Formula: FeS₂

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Silver

Formula: Ag

References:

ⓘ Zircon

Formula: Zr(SiO₄)

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	Silver	1.AA.05	Ag
ⓘ	Platinum	1.AF.10	Pt
Group 2 - Sulphides and Sulfosalts
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Galena	2.CD.10	PbS
ⓘ	Insizwaite	2.EB.05a	Pt(Bi,Sb)₂
ⓘ	Pyrite	2.EB.05a	FeS₂
Group 4 - Oxides and Hydroxides
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Cassiterite	4.DB.05	SnO₂
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Crocoite	7.FA.20	PbCr⁶⁺O₄
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Chlorite Group'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
O	Oxygen
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Baryte	BaSO₄
O	ⓘ Cassiterite	SnO₂
O	ⓘ Crocoite	PbCr⁶⁺O₄
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Quartz	SiO₂
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Na	Sodium
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
S	Sulfur
S	ⓘ Baryte	BaSO₄
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Galena	PbS
S	ⓘ Pyrite	FeS₂
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ca	Calcium
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cr	Chromium
Cr	ⓘ Crocoite	PbCr⁶⁺O₄
Fe	Iron
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Pyrite	FeS₂
Cu	Copper
Cu	ⓘ Chalcopyrite	CuFeS₂
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Ag	Silver
Ag	ⓘ Silver	Ag
Sn	Tin
Sn	ⓘ Cassiterite	SnO₂
Sb	Antimony
Sb	ⓘ Insizwaite	Pt(Bi,Sb)₂
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Pt	Platinum
Pt	ⓘ Insizwaite	Pt(Bi,Sb)₂
Pt	ⓘ Platinum	Pt
Au	Gold
Au	ⓘ Gold	Au
Pb	Lead
Pb	ⓘ Crocoite	PbCr⁶⁺O₄
Pb	ⓘ Galena	PbS
Bi	Bismuth
Bi	ⓘ Insizwaite	Pt(Bi,Sb)₂

Other Regions, Features and Areas containing this locality

Amur PlateTectonic Plate

AsiaContinent

Eurasian Plate

Siberian Craton
- Stanovoi BeltShield

Soviet Union (1922-1991)Country

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References

[1]Kepezhinskas, P.K., Berdnikov, N.V., Krutikova, V.O. (2025) METAL AND MINERAL MICROINCLUSIONS IN ADAKITES FROM THE FRAMING OF THE UTANAK MASSIF (Stanovoi superterrane, Russian Far East) AS EVIDENCE FOR METAL ENRICHMENT IN ADAKITIC MAGMAS. Russian Geology and Geophysics, 66 (2). doi:10.2113/rgg20244783

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Utanak ultramafic massif, Tyndinsky district, Amur Oblast, RussiaiRegional Level TypesUtanak ultramafic massifMassif Tyndinsky districtDistrict Amur OblastOblast RussiaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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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

Other Regions, Features and Areas containing this locality

References

Utanak ultramafic massif, Tyndinsky district, Amur Oblast, Russia i
Regional Level Types
Utanak ultramafic massif Massif
Tyndinsky district District
Amur Oblast Oblast
Russia Country