• Thumbnail for Norite
    Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. The name norite is derived...
    4 KB (417 words) - 00:14, 28 December 2023
  • Thumbnail for Gabbro
    orthopyroxene gabbro, while a rock similar to norite but containing more clinopyroxene is called a clinopyroxene norite. Gabbros are also sometimes classified...
    19 KB (2,320 words) - 12:08, 23 January 2024
  • Thumbnail for Hypersthene
    igneous rocks norite and hypersthene-andesite, of which it forms an essential constituent. The coarse-grained labradorite-hypersthene-rock (norite) of Paul's...
    4 KB (403 words) - 19:05, 19 January 2024
  • Thumbnail for Sudbury Basin
    impact melt sheet composed from the base up of sub layer norite, mafic norite, felsic norite, quartz gabbro, and granophyre.[citation needed] The Whitewater...
    19 KB (2,036 words) - 03:41, 27 May 2024
  • geological terms, black granite might be gabbro, diabase, basalt, diorite, norite, or anorthosite. Morales Demarco, Manuela; Oyhantçabal, Pedro; Stein, Karl-Jochen;...
    872 bytes (80 words) - 18:56, 27 February 2024
  • Thumbnail for Maniitsoq Norite Belt
    The Maniitsoq Norite Belt is a ~75 km x 15 km J-shaped belt of igneous norite intrusions, located in the Akia Terrane of the North Atlantic Craton, Greenland...
    7 KB (726 words) - 13:14, 4 January 2024
  • Thumbnail for Bushveld Igneous Complex
    but not limited to, jewellery, automobiles and electronics. Gabbro or norite is also quarried from parts of the complex and rendered into dimension stone...
    55 KB (6,207 words) - 19:28, 12 May 2024
  • Thumbnail for Bukit Batok
    the southwest and Tengah to the west. Bukit Batok largely sits on Gombak norite, a geological formation that is found in high concentrations within the...
    26 KB (2,003 words) - 22:51, 31 December 2023
  • Thumbnail for Bronzite
    bronzite is a constituent of many mafic to ultramafic igneous rocks, such as, norite, gabbro, and especially peridotite, and of the serpentinites which have...
    4 KB (525 words) - 17:00, 9 September 2023
  • essentially a hypersthene-bearing monzonite. It often occurs in association with norite, anorthosite, charnockite and rapakivi granite in Proterozoic metamorphic...
    1 KB (102 words) - 14:13, 27 July 2023
  • Thumbnail for Wehrlite
    xenoliths and in ophiolites. Another occurrence is as cumulate in gabbro and norite layered intrusions. Some meteorites can also be classified as wehrlites...
    2 KB (161 words) - 19:50, 27 July 2023
  • clinopyroxene – A silica-undersaturated plutonic rock with >90% nepheline Norite – igneous rockPages displaying wikidata descriptions as a fallback – A hypersthene-bearing...
    14 KB (2,203 words) - 23:33, 16 April 2024
  • presence of shear zones; 11) presence of ultramafic sills (the Maniitsoq Norite Belt); 12) proposed widespread hydrothermal alteration; 13) a coincidence...
    14 KB (1,771 words) - 09:24, 5 January 2024
  • Thumbnail for Ultramafic rock
    percentage of calcic plagioclase. These grade into the anorthosites. Gabbro and norite often occur in the upper portions of the layered ultramafic sequences. Hornblendite...
    9 KB (1,059 words) - 21:34, 3 January 2024
  • Thumbnail for Impact event
    (2020). "Geodynamic Implications of Synchronous Norite and TTG Formation in the 3 Ga Maniitsoq Norite Belt, West Greenland". Frontiers in Earth Science...
    107 KB (12,095 words) - 12:12, 23 May 2024
  • Thumbnail for Palladium
    other PGMs are rare. The most extensive deposits have been found in the norite belt of the Bushveld Igneous Complex covering the Transvaal Basin in South...
    59 KB (6,285 words) - 08:27, 28 May 2024
  • Complex is a hypersthene gabbro with subordinate amounts of olivine gabbro, norite, anorthositic gabbro, and pyroxenite. Igneous minerals and textures are...
    3 KB (268 words) - 13:20, 1 June 2018
  • Thumbnail for Enstatite
    rocks. Magnesian orthopyroxene occurs in plutonic rocks such as gabbro (norite) and diorite. It may form small idiomorphic phenocrysts and also groundmass...
    9 KB (858 words) - 17:27, 10 April 2024
  • Thumbnail for Hadley–Apennine
    rare-earth elements, phosphorus) materials, anorthosites, recrystallized norite, or recrystallized breccia. Hadley–Apennine is located west of the Montes...
    16 KB (1,828 words) - 02:28, 3 August 2023
  • Thumbnail for Charnockite
    are also intermediate varieties corresponding mineralogically to norites, quartz-norites and diorites. A special feature, recurring in many members of the...
    9 KB (1,053 words) - 07:40, 30 April 2024
  • Thumbnail for Black Forest
    inclusions: gabbro from Ehrsberg, serpentinites and pyroxenites near Todtmoos, norite near Horbach), which are possibly the remnants of an accretionary wedge...
    90 KB (9,732 words) - 17:18, 26 April 2024
  • Thumbnail for Askim
    20th century. These mines are also one of the few places where "Spheroidal Norite" ("Potato Stone") is found. Askim has been an industrial city for most of...
    8 KB (670 words) - 07:55, 11 February 2024
  • Thumbnail for Anorthosite
    including monzonite and rapakivi granite Iron-rich diorite, gabbro, and norite Leucocratic mafic rocks such as leucotroctolite and leuconorite Though co-eval...
    25 KB (3,081 words) - 18:17, 13 January 2024
  • Thumbnail for Mpumalanga
    examples of these formations include serpentines of Barberton Mountains, norites of Sekhukhuneland, quartzites of Blyde River Canyon, and the dolomites...
    38 KB (3,302 words) - 06:38, 30 March 2024
  • Thumbnail for Pyrrhotite
    with a metallic luster. The mineral occurs with mafic igneous rocks like norites, and may form from pyrite during metamorphic processes. Pyrrhotite is associated...
    25 KB (2,378 words) - 03:04, 18 February 2024
  • Thumbnail for Moon rock
    consists of alkali anorthosites with relatively sodic plagioclase (An70–85), norites (plagioclase-orthopyroxene), and gabbronorites (plagioclase-clinopyroxene-orthopyroxene)...
    30 KB (2,916 words) - 07:47, 9 February 2024
  • 298 Nitrogen, pure 0.0234-0.024-0.02583-0.026 293-298-300 (N2) (1 atm) Norite 2.7 ± 0.4 List: Misener and others in Robertson page 31. 300 This summary...
    139 KB (4,010 words) - 02:30, 6 April 2024
  • Thumbnail for Hooiberg
    tonalite with subordinate and comagmatic trondhjemite, diorite, gabbro, norite, and a dark-colored (melanocratic), hydrous, igneous rock termed hooibergite...
    26 KB (2,499 words) - 21:54, 30 January 2024
  • Both hornblende-rich granite and biotite-rich granite occur. Zones of norite-granite mixed rocks are also seen. Hybrid granodiorite is also recognised...
    5 KB (706 words) - 16:04, 17 December 2023
  • Thumbnail for Pyroxenite
    and metabasites. Igneous pyroxenites are closely allied to gabbros and norites, from which they differ by the absence of feldspar, and to peridotites...
    6 KB (749 words) - 19:20, 18 January 2024