Dunite (/ˈduːnaɪt, ˈdʌnaɪt/), also known as olivinite (not to be confused with the mineral olivenite), is an intrusive igneous rock of ultramafic composition...
6 KB (717 words) - 12:56, 29 July 2024
the rock. Peridotites are further classified as follows: Dunite: more than 90% olivine Dunite is found as prominent veins in the peridotite layer of ophiolites...
32 KB (3,793 words) - 16:10, 25 August 2024
Spruce Pine Mining District (section Dunite)
The Spruce Pine Mining District is a swath of the valley of the North Toe River in the Blue Ridge Mountains of northwestern North Carolina. The area is...
7 KB (706 words) - 19:36, 2 October 2024
Nooksack River. Twin Sisters Mountain is composed of relatively unaltered dunite, an ultramafic rock that is mostly olivine. The Twin Sisters Range is a...
6 KB (661 words) - 18:59, 22 September 2023
from settling out of minerals from a magma chamber. Cumulate peridotite: dunite-rich layers of minerals that settled out from a magma chamber. Tectonized...
32 KB (3,876 words) - 03:37, 20 September 2024
Province, Austria. Protolith was a Proterozoic-Early Paleozoic upper mantle dunite peridotite that has been multiply metamorphosed during the Devonian, Permian...
26 KB (2,621 words) - 12:52, 11 October 2024
Napoleonite, also known as corsite – Variety of diorite with orbicular structure Dunite – Ultramafic and ultrabasic rock from Earth's mantle which is made of the...
14 KB (2,184 words) - 23:33, 16 April 2024
is a rare sulfur-poor nickel sulfide mineral found in serpentinitized dunite. It occurs as disseminations and masses of opaque, metallic light bronze...
5 KB (497 words) - 23:42, 3 January 2024
Basanite Igneous rock Volcanic bomb of black basanite enclosing a xenolith of green dunite from Réunion...
8 KB (774 words) - 22:42, 18 August 2024