Permian olivine-nephelinite dykes on the west coast of Mull, cutting Proterozoic (Moinian) psammites.
The nephelinite is rich in various lower crust/upper mantle xenoliths and megacrysts: pargasite pyroxenites, hornblendites, pyroxene granulite orthogneisses (quartz diorites), etc.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List

12 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

ⓘ Nephelinite

ⓘ 'Olivine nephelinite'

Detailed Mineral List:

ⓘ Albite

Formula: Na(AlSi₃O₈)

Description: In pargasite pyroxenites.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Albite var. Andesine

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Description: In pargasite pyroxenites.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Albite var. Anorthoclase

Formula: (Na,K)AlSi₃O₈

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si₂O₈]

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃(Cl/F/OH)

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

Upton, B. G. J., Aspen, P., Rex, D. C., Melcher, F., & Kinny, P. (1998). Lower crustal and possible shallow mantle samples from beneath the Hebrides: evidence from a xenolithic dyke at Gribun, western Mull. Journal of the Geological Society, 155(5), 813-828. doi.org/10.1144/gsjgs.155.5.0813

ⓘ Augite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ 'Clinopyroxene Subgroup'

References:

ⓘ Diopside

Formula: CaMgSi₂O₆

Description: In pargasite pyroxenites.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ 'Fayalite-Forsterite Series'

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Hedenbergite

Formula: CaFe²⁺Si₂O₆

Description: Ferrosalite.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Kaersutite

Formula: NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂

Description: Megacrysts from gegmatitic hornblendites.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Pargasite

Formula: NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Pigeonite

Formula: (Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Quartz

Formula: SiO₂

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Sanidine

Formula: K(AlSi₃O₈)

Description: In two-feldspar quartz dioritic orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

ⓘ Zircon

Formula: Zr(SiO₄)

Description: In granulite-facies orthogneisses.

References:

B.G.J. Upton et al. , Journal of the Geological Society, 1998, V 155, N° 5, pp 813-828.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Quartz	4.DA.05	SiO₂
Group 9 - Silicates
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Pigeonite	9.DA.10	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Augite	9.DA.15	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
ⓘ	Diopside	9.DA.15	CaMgSi₂O₆
ⓘ	Hedenbergite	9.DA.15	CaFe²⁺Si₂O₆
ⓘ	Kaersutite	9.DE.15	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
ⓘ	Pargasite	9.DE.15	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
ⓘ	Sanidine	9.FA.30	K(AlSi₃O₈)
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Oligoclase	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	var. Andesine	9.FA.35	(Na,Ca)[Al(Si,Al)Si₂O₈]
ⓘ	var. Anorthoclase	9.FA.35	(Na,K)AlSi₃O₈
Unclassified
ⓘ	'Clinopyroxene Subgroup'	-
ⓘ	'Fayalite-Forsterite Series'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃(Cl/F/OH)

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
H	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
O	Oxygen
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
O	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Diopside	CaMgSi₂O₆
O	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
O	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
O	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
O	ⓘ Quartz	SiO₂
O	ⓘ Sanidine	K(AlSi₃O₈)
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
F	Fluorine
F	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Na	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Na	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Na	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	Magnesium
Mg	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Mg	ⓘ Diopside	CaMgSi₂O₆
Mg	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Mg	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Mg	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Al	Aluminium
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Al	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Al	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Al	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Al	ⓘ Sanidine	K(AlSi₃O₈)
Si	Silicon
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
Si	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Diopside	CaMgSi₂O₆
Si	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Si	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Si	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Si	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Si	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Si	ⓘ Quartz	SiO₂
Si	ⓘ Sanidine	K(AlSi₃O₈)
Si	ⓘ Zircon	Zr(SiO₄)
P	Phosphorus
P	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Cl	Chlorine
Cl	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
K	Potassium
K	ⓘ Albite var. Anorthoclase	(Na,K)AlSi₃O₈
K	ⓘ Sanidine	K(AlSi₃O₈)
Ca	Calcium
Ca	ⓘ Albite var. Andesine	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Diopside	CaMgSi₂O₆
Ca	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Ca	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Ca	ⓘ Albite var. Oligoclase	(Na,Ca)[Al(Si,Al)Si₂O₈]
Ca	ⓘ Pargasite	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂
Ca	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Ca	ⓘ Apatite	Ca₅(PO₄)₃(Cl/F/OH)
Ti	Titanium
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Kaersutite	NaCa₂(Mg₃AlTi⁴⁺)(Si₆Al₂)O₂₂O₂
Fe	Iron
Fe	ⓘ Augite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Fe	ⓘ Hedenbergite	CaFe²⁺Si₂O₆
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Pigeonite	(Ca_xMg_yFe_z)(Mg_y1Fe_z1)Si₂O₆
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands

Eurasian PlateTectonic Plate

North Atlantic Igneous ProvinceLarge Igneous Province

Scotland
- ⭔StrathclydeRegion

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References

Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4

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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

Gribun dike, Isle of Mull, Argyll and Bute, Scotland, UK i
Regional Level Types
Gribun dike Dike
Isle of Mull Island
Argyll and Bute Council Area
Scotland Country
UK Country