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Orbicular diorite

A rock subtype
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01165490017271953894514.jpg
Orbicular diorite

Corsica, France
08788830017805147899628.jpg
Orbicular diorite

Corsica, France
01165490017271953894514.jpg
Orbicular diorite

Corsica, France
08788830017805147899628.jpg
Orbicular diorite

Corsica, France
09557030017271953897444.jpg
Orbicular diorite

Corsica, France
04054420017805147902131.jpg
Orbicular diorite

Corsica, France
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About Orbicular dioriteHide

A diorite showing orbicular features.

See also Orbicular granite, Orbicular granodiorite.

Commonly a name for any orbiculite, which can be various types of igneous rocks with this texture.


Unique IdentifiersHide

Mindat ID:
55210
Long-form identifier:
mindat:1:1:55210:1

Classification of Orbicular dioriteHide

Other Language Names for Orbicular dioriteHide

Swedish:Klotdiorite

Internet Links for Orbicular dioriteHide

References for Orbicular dioriteHide

Reference List:
Reusch, Hans (1923) Efterhøst V. Den såkaldte kulediorit ved Bleka grube i Telemarken [Autumn V. The so-called orbicular diorite at Bleka mine in Telemark], in Efterhøst II-VIII. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 7 (1) 49-52
Nockolds, S. R. (1931) On an Orbicular Diorite from the Island of Alderney. Geological Magazine, 68 (11) 499-506 doi:10.1017/s0016756800098411
Ray, R. G. (1952) Orbicular diorite from southern Alaska. American Journal of Science, 250 (1) 57-70 doi:10.2475/ajs.250.1.57
Shimazu, Mitsuo (1956) Orbicular diorite from Akka, Northern Kitakami Mountainland. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 40 (3) 115-126 doi:10.2465/ganko1941.40.115
Thiele, Otto (1971): Ein Cordierit-Kugeldiorit aus dem westlichen Waldviertel (Niederösterreich). Verh. Geolog. B.-A., 1971 (3), 409-423 (in German).
Bryhni, Inge (1977) Orbicular diorite from Hardangervidda, south Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 57 (2). 179-185
Owen, J. Victor (1991) Significance of epidote in orbicular diorite from the Grenville Front zone, eastern Labrador. Mineralogical Magazine, 55 (379) 173-181 doi:10.1180/minmag.1991.055.379.05
Owen, J. Victor (1992) Geochemistry of orbicular diorite from the Grenville Front zone, eastern Labrador. Mineralogical Magazine, 56 (385). p.451-458. doi:10.1180/minmag.1992.056.385.01
Durant, D. G., Fowler, A. D. (2002) Origin of reverse zoning in branching orthopyroxene and acicular plagioclase in orbicular diorite, Fisher Lake, California. Mineralogical Magazine, 66 (6) 1003-1019 doi:10.1180/0026461026660073
Zeming, Zhang, Hua, Xiang, Huixia, Ding, Xin, Dong, Zhengbin, Gou, Zhulin, Tian, Santosh, M. (2017) Miocene orbicular diorite in east-central Himalaya: Anatexis, melt mixing, and fractional crystallization of the Greater Himalayan Sequence. Geological Society of America Bulletin, 129 (7) 869-885 doi:10.1130/b31586.1
Li, Ruipeng; Su, Shangguo; Wang, Peng (2025) Chemistry and Fe Isotopes of Magnetites in the Orbicular Bodies in the Tanling Diorite and Implications for the Skarn Iron Mineralization in the North China Craton. Minerals, 15 (10). p.1061. doi:10.3390/min15101061

Localities for Orbicular dioriteHide

Showing 6 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Austria
 
  • Lower Austria
    • Zwettl District
      • Groß-Gerungs
Thiele (1971)
Canada
 
  • Newfoundland and Labrador
    • Labrador
Owen (1991) +1 other reference
China
 
  • Guangxi
    • Nanning
      • Mashan County
Li et al. (2025)
India
 
  • Andhra Pradesh
    • Nellore District
Srinivasan et al. (1995)
Japan
 
  • Iwate Prefecture
    • Kitakami Mountains
Shimazu (1956)
USA
 
  • North Carolina
    • Davie County
      • Mocksville
Watson (1904)
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