Considered as one of several ultramafic massifs in the Lycian nappes. The Köyceğiz ophiolite is composed of serpentinized harzburgites, minor lherzolites, dunites and associated chromitites. Crustal volcanic and plutonic units of this ophiolitic section are generally scarce. The stratigraphy of the Köyceğiz massif is complicated by a series of thrusts. The footwall of the allochthonous massifs is an accretionary mélange of tectonically mixed marine sediments and scattered ophiolites. Amphibolite and mica schists represent sub-ophiolitic metamorphic soles underling the Lycian peridotites.

The Köyceğiz ophiolitic chromitites occur as lenses and veins, with ore reserves measuring ∼106 tons. The ore lenses vary in thickness from 0.3 to 15 m, and extend up to ∼100 m. Small chromitite lenses occur as sub-parallel <3 m-long and 20–70 cm thick bodies.

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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.

ⓘ Chromium

Mineral List

8 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:

ⓘ 'Amphibole Supergroup'

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

Reference: Xiong, F., Zoheir, B., Xu, X., Lenaz, D., & Yang, J. (2022). Genesis and high-pressure evolution of the Köyceğiz ophiolite (SW Turkey): Mineralogical and geochemical characteristics of podiform chromitites. Ore Geology Reviews, 145, 104912.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

ⓘ 'Chlorite Group'

ⓘ 'Chrome-Spinel (of Dana)'

ⓘ Chromite

Formula: Fe²⁺Cr³⁺₂O₄

ⓘ 'Clinopyroxene Subgroup'

Formula: C

Formula: RuS₂

Formula: MgCr₂O₄

Formula: Fe²⁺Fe³⁺₂O₄

ⓘ Millerite

Formula: NiS

ⓘ Moissanite

Formula: SiC

ⓘ 'Olivine Group'

Formula: M₂SiO₄

ⓘ 'Orthopyroxene Subgroup'

ⓘ 'Serpentine Subgroup'

Formula: D₃[Si₂O₅](OH)₄

ⓘ Spinel

Formula: MgAl₂O₄

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Diamond	1.CB.10a	C
ⓘ	Moissanite	1.DA.	SiC
Group 2 - Sulphides and Sulfosalts
ⓘ	Laurite	2.EB.05a	RuS₂
ⓘ	Millerite	2.CC.20	NiS
Group 4 - Oxides and Hydroxides
ⓘ	Chromite	4.BB.05	Fe²⁺Cr³⁺₂O₄
ⓘ	Magnesiochromite	4.BB.05	MgCr₂O₄
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Spinel	4.BB.05	MgAl₂O₄
Unclassified Minerals, Rocks, etc.
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)
ⓘ	'Chlorite Group'	-
ⓘ	'Chrome-Spinel (of Dana)'	-
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Hornblende'	-
ⓘ	'Olivine Group'	-	M₂SiO₄
ⓘ	'Orthopyroxene Subgroup'	-
ⓘ	'Serpentine Subgroup'	-	D₃[Si₂O₅](OH)₄

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
C	Carbon
C	ⓘ Diamond	C
C	ⓘ Moissanite	SiC
O	Oxygen
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
O	ⓘ Magnesiochromite	MgCr₂O₄
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Olivine Group	M₂SiO₄
O	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
O	ⓘ Spinel	MgAl₂O₄
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Mg	Magnesium
Mg	ⓘ Magnesiochromite	MgCr₂O₄
Mg	ⓘ Spinel	MgAl₂O₄
Al	Aluminium
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Spinel	MgAl₂O₄
Si	Silicon
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Moissanite	SiC
Si	ⓘ Olivine Group	M₂SiO₄
Si	ⓘ Serpentine Subgroup	D₃[Si₂O₅](OH)₄
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
S	Sulfur
S	ⓘ Laurite	RuS₂
S	ⓘ Millerite	NiS
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ca	Calcium
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cr	Chromium
Cr	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Cr	ⓘ Magnesiochromite	MgCr₂O₄
Fe	Iron
Fe	ⓘ Chromite	Fe²⁺Cr₂³⁺O₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Ni	Nickel
Ni	ⓘ Millerite	NiS
Ru	Ruthenium
Ru	ⓘ Laurite	RuS₂

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Xiong, F., Zoheir, B., Xu, X., Lenaz, D., & Yang, J. (2022). Genesis and high-pressure evolution of the Köyceğiz ophiolite (SW Turkey): Mineralogical and geochemical characteristics of podiform chromitites. Ore Geology Reviews, 145, 104912.

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Köyceğiz ophiolite, Muğla Province, TurkeyiRegional Level TypesKöyceğiz ophioliteOutcrop Muğla ProvinceProvince TurkeyCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }