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Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. The name norite is derived from Norway, by its Norwegian name Norge. [1] Norite, also known as orthopyroxene gabbro, may be essentially indistinguishable from gabbro without thin section study under the petrographic ...
The Gjørv Report (Gjørv-rapporten [1] or NOU 2012: 14, Rapport fra 22. juli-kommisjonen) is a report that was ordered by Norway's parliament, as a consequence of the 2011 Oslo bombing and the following Utøya massacre.
The mineral olivine (/ ˈ ɒ l. ɪ ˌ v iː n /) is a magnesium iron silicate with the chemical formula (Mg,Fe) 2 Si O 4.It is a type of nesosilicate or orthosilicate.The primary component of the Earth's upper mantle, [9] it is a common mineral in Earth's subsurface, but weathers quickly on the surface.
Åheim is a village in Vanylven Municipality in Møre og Romsdal county, Norway. The village is located along the shore of the inner part of the Vanylvsfjorden. The village is one of the larger urban areas in the municipality, mostly due to the local olivine mining operations. The Åheimselva river runs through the village from the lake ...
This list of mines in Norway is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.
Graph of komatiite geochemistry MgO% vs Cr ppm, from basal flows, Wannaway, Western Australia. The pristine volcanic mineralogy of komatiites is composed of forsteritic olivine (Fo90 and upwards), calcic and often chromian pyroxene, anorthite (An85 and upwards) and chromite.
Europe’s oldest monarch, King Harald V of Norway, received a permanent pacemaker on Tuesday, the palace said, adding that the monarch will remain in the hospital for a few days. The 87-year-old ...
Romerike is a traditional district located north-east of Oslo, in what is today south-eastern Norway.It consists of the Akershus municipalities Lillestrøm, Lørenskog, Nittedal, Rælingen and Aurskog-Høland in the southern end (Nedre Romerike), and Ullensaker, Gjerdrum, Nannestad, Nes, Eidsvoll and Hurdal in the northern end (Øvre Romerike).