Rapakivi granite is an igneous intrusive rock and variant of alkali feldspar granite. It is characterized by large, rounded crystals of orthoclase each...
10 KB (1,099 words) - 02:40, 28 October 2024
emplaced during the Svecokarelian orogeny. Following this last orogeny rapakivi granites intruded various locations of Finland during the Mesoproterozoic...
36 KB (3,604 words) - 09:01, 14 July 2024
type of granite Orbicular granite Quartz monzonite – Type of igneous rock Rapakivi granite – Type of igneous rock in alkali feldspar Subsolvus – Two feldspar...
57 KB (6,613 words) - 20:33, 15 October 2024
analogue considered to theoretically represent the Earth's upper mantle Rapakivi granite – Type of igneous rock in alkali feldspar Rhomb porphyry – Textural...
14 KB (2,187 words) - 23:33, 16 April 2024
gneisses and other metamorphic rocks with volcanic rock protoliths and rapakivi granites. These rocks are much older than the rest (Paleoproterozoic age)...
123 KB (10,367 words) - 19:19, 9 November 2024
consists of highly metamorphosed sedimentary and volcanic rocks intruded by rapakivi granite, dating to around 1.54–1.67 billion years ago. Following this orogeny...
344 KB (34,670 words) - 02:31, 11 November 2024
often occurs in association with norite, anorthosite, charnockite and rapakivi granite in Proterozoic metamorphic belts. It is characterised by the presence...
1 KB (102 words) - 14:13, 27 July 2023
to place during the Svecokarelian orogeny. Following this last orogeny Rapakivi granites intruded various locations of Finland during the Mesoproterozoic...
30 KB (3,086 words) - 23:47, 15 October 2024
Archived 2020-10-12 at the Wayback Machine Ketilidian structure and the rapakivi suite between Lindenow Fjord and Kap Farvel, South-East Greenland v t e...
6 KB (215 words) - 15:23, 22 October 2024
(derivative of word pulkka) puukko - traditional Finnish sheath knife Rapakivi granite - a granite rock in petrology taimen - a species of salmon living...
2 KB (240 words) - 17:11, 14 December 2023