Gribun, Isle of Mull, Strathclyde (Argyllshire), Scotland, UK

UK Grid Reference: NM448341
Latitude: 56°25'48"N
Longitude: 6°8'22"W

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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.

Mineral List

Albite
var: Andesine
var: Oligoclase
Anorthoclase
'Apatite'

Augite
Diopside
Hedenbergite
Ilmenite

Kaersutite
Magnetite
'Olivine'
Pargasite

Pigeonite
Quartz
Sanidine
Zircon

16 entries listed. 12 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 13th Jul 2011 07:17:21