Eclogites outcrop in a mountain slope close to the Sumdo village, where they form lenses, layers and irregular small bodies in sillimanite-kyanite grade gneisses of the Puga Formation of the Tso-Morari Crystalline Complex.

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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

ⓘ Eclogite

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

Description: Occurs in albite/amphibole symplectites around omphacite grains.

References:

Sachan, K. H.; Bodnar, R. J.; Islam, R.; Szabo, Cs.; Lawi, R. D. (1999) Exhumation History of Eclogites from the Tso-Morari Crystalline Complex in Eastern Ladakh: Mineralogical and Fluid Inclusion Constraints. Journal Geological Society of India, 53 (2). 181-190 doi:10.17491/jgsi/1999/530205

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

Description: All six analyses of the eclogite garnet presented by Sachan et al. (1999) are almandines. The almandine is a main mineral in the eclogites. The garnet contains amphibole inclusions in the core, and omphacite and rutile inclusions near the rim.

References:

ⓘ 'Amphibole Supergroup'

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

Description: Amphiboles, together with omphacite and almandine are the dominant minerals in the eclogites. The amphiboles display strong chemical and textural variations within each sample. Blue alkali amphibole occurs mostly as small elongated or tabular clear crystals within or around fluid inclusion-bearing matrix clinopyroxenes. Some blue amphiboles were also observed in the mantle of garnets. The majority of amphiboles are strongly zoned. Amphiboles have formed at different PT regimes, with alkali-amphiboles formed at the highest pressure conditions (>7kbar) whereas tremolite/actinolite found in fractures in garnet formed at much lower pressures (<5kbar) during exhumation of the eclogites. Sachan et al.(1999) reports several exotic amphiboles normalizing to barroisite, taramite and nybøite using the 1997 amphibole nomenclature. They provide no analysis for nybøite, but the analysis provided for barroisite and taramite corresponds to winchite and katophorite respectively using the 2012 nomenclature.

References:

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Description: Apaptite has been identified as an accessory mineral in the eclogite.

References:

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Description: Biotite occurs as a minor accessory mineral in the eclogite.

References:

ⓘ 'Clinopyroxene Subgroup'

References:

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

Description: Accessory mineral in the eclogite matrix.

References:

ⓘ 'Garnet Group'

Formula: X₃Z₂(SiO₄)₃

References:

ⓘ Glaucophane

Formula: ◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

References:

ⓘ Katophorite

Formula: {Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂

Description: Reported as taramite by Sachan et al.(1999), but with the changes implemented in the 2012 amphibole nomenclature, the composition is now classified as katophorite.

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Muscovite var. Phengite

Formula: KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂

Description: Phengite occurs mostly in the matrix and rarely as small inclusions in garnet.

References:

ⓘ Omphacite

Formula: (Na_aCa_bFe²⁺_cMg_d)(Al_eFe³⁺_fFe²⁺_gMg_h)Si₂O₆

Description: Sachan et al.(1999) provides 6 analyses of clinopyroxene from the eclogites, and all fall comfortably within the omphacite compositonal field. Omphacite occurs in the eclogite groundmass and as inclusions in the outer zones of the garnets.

References:

ⓘ Paragonite

Formula: NaAl₂(AlSi₃O₁₀)(OH)₂

References:

ⓘ Pargasite

Formula: NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

References:

ⓘ Quartz

Formula: SiO₂

References:

ⓘ Rutile

Formula: TiO₂

References:

ⓘ Winchite

Formula: ◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂

Description: Reported as barroisite by Sachan et al.(1999), but with the changes implemented in the 2012 amphibole nomenclature, the composition is now classified as katophorite.

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	Rutile	4.DB.05	TiO₂
Group 9 - Silicates
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Omphacite	9.DA.20	(Na_aCa_bFe²⁺_cMg_d)(Al_eFe³⁺_fFe²⁺_gMg_h)Si₂O₆
ⓘ	Pargasite	9.DE.15	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Winchite	9.DE.20	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
ⓘ	Katophorite	9.DE.20	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
ⓘ	Glaucophane	9.DE.25	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
ⓘ	Muscovite	9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Paragonite	9.EC.15	NaAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Muscovite var. Phengite	9.EC.15	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
Unclassified
ⓘ	'Amphibole Supergroup'	-	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Garnet Group'	-	X₃Z₂(SiO₄)₃
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
H	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
H	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
O	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
O	ⓘ Quartz	SiO₂
O	ⓘ Rutile	TiO₂
O	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
O	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
O	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Na	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Na	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Na	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Na	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Na	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Mg	Magnesium
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Mg	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Mg	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Mg	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Mg	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Al	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Al	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Al	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Glaucophane	◻[Na₂][Mg₃Al₂]Si₈O₂₂(OH)₂
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Si	ⓘ Paragonite	NaAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Si	ⓘ Quartz	SiO₂
Si	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Si	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Si	ⓘ Garnet Group	X₃Z₂(SiO₄)₃
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	Chlorine
Cl	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
K	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Ca	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Winchite	◻{CaNa}{Mg₄Al}(Si₈O₂₂)(OH)₂
Ca	ⓘ Katophorite	{Na}{CaNa}{Mg₄Al}[(AlSi₇)O₂₂](OH)₂
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Amphibole Supergroup	AB₂C₅((Si,Al,Ti)₈O₂₂)(OH,F,Cl,O)₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Fe	Iron
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Omphacite	(Na_aCa_bFe_c²⁺Mg_d)(Al_eFe_f³⁺Fe_g²⁺Mg_h)Si₂O₆
Fe	ⓘ Muscovite var. Phengite	KAl_1.5(Mg,Fe)_0.5(Al_0.5Si_3.5O₁₀)(OH)₂

Other Regions, Features and Areas containing this locality

AsiaContinent

HimalayasMountain Range
Hindukush Himalayan RegionGroup of Mountain Ranges

Eurasian PlateTectonic Plate

Himalayan Orogenic BeltOrogenic Belt

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