Rock 365 : Day 332 : Phonolite
Day 332 : Phonolite (or clinckstone) from Traprain Law, Haddington, East Lothian, Scotland. Keele collection.
Day 332 : Phonolite (or clinckstone) from Traprain Law, Haddington, East Lothian, Scotland. Keele collection.
Day 331 : Norite, from the Sudbury Basin Complex, Ontario, Canada. Keele collection.
Day 330 : Bojite, a gabbro with hornblende instead of augite. From Angmagssalik, Greenland. Keele collection.
Day 329 : An altered gabbro from Squilver Quarry (More Quarry), Shelve, England. Keele collection.
Day 328 : An olivine gabbro. This bytownite gabbro is locally known a eucrite, an obsolete term now used to refer to type of meteorite. From, Achnaha, Ardnamurchan, Scotland. Keele collection.
Day 327 : A gabbro from the Bushveld Complex, Central Transvaal, South Africa. Keele collection.
Day 326 : Albitite, a rock composed almost entirely of albite. From Blue Mountain, Ontario, Canada. Keele collection.
Day 325 : A rhomb porphyry (porphyritic trachyte) from the ‘Sande cauldron’, in the Oslo Graben, Norway. Keele collection.
Day 324 : Nordmarkite (quartz syenite) from Loch Borolan (Borralan) Sutherland, Scotland. Keele collection.
Day 323 : Borolanite is an unusual igneous rock from the shores of Loch Borolan in Sutherland, Scotland. It is a nepheline syenite containing the brown garnet, melanite (titanium andradite). Keele collection.