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Melilitite

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A fine-grained melilitic rock containing < 10% olivine.

A generally olivine-free extrusive rock composed of melilite with clinopyroxene (or other mafic minerals) usually comprising more than 90% of the rock, with minor amounts of feldspathoids and sometimes plagioclase. Ref: AGI


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Classification of MelilititeHide

Modal classification of volcanic rock containing melilite, after Streckeisen, 1978)

Sub-divisions of MelilititeHide

Mineralogy of MelilititeHide

Essential minerals - these are minerals that are required within the classification of this rock:
MeliliteCa2(Al,Mg,Fe)((Al,Si,B)SiO7)
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
OlivineEquivalent to Fayalite-Forsterite Series; usually a more or less Fe-bearing forsterite.
PyroxeneA petrological term for Pyroxene Group.

References for MelilititeHide

Reference List:
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Le Maitre (ed.) (2002) Igneous Rocks - A Classification and Glossary of Terms. Cambridge Press

Internet Links for MelilititeHide

mindat.org URL:
https://www.mindat.org/min-48092.html
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Localities for MelilititeHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Tasmania
    • Central Highlands municipality
      • Derwent Bridge
Bottrill, R. S. & Baker, W. E. (2008): A Catalogue of the Minerals of Tasmania. Geological Survey Bulletin 73, Mineral Resources Tasmania, 254 pp.
      • Interlaken
Bottrill, R. S. & Baker, W. E. (2008): A Catalogue of the Minerals of Tasmania. Geological Survey Bulletin 73, Mineral Resources Tasmania, 254 pp.
Bottrill, R. S. & Baker, W. E. (2008): A Catalogue of the Minerals of Tasmania. Geological Survey Bulletin 73, Mineral Resources Tasmania, 254 pp.
Norway
 
  • Vestfold
    • Larvik
      • Brunlanes
Dahlgren, S. & Larsen, A.O. (2012): Minerals of the banalsite-stronalsite series in amygdules from the Brunlanes ultramafic series. Norsk Bergverksmuseum Skrifter: 49: 93-100.
Mineral and/or Locality  
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