Anorthobase

A rock subtype

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According to Tomkeieff et al. (1983) this rock is a diabase containing calcic plagioclase. However, the term does not ap- pear in the reference cited.

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Unique IdentifiersHide

Mindat ID:

50620

Long-form identifier:

mindat:1:1:50620:9

GUID
(UUID V4):

5cc047f0-5b7a-4c69-89c2-2b0c905baf40

Classification of AnorthobaseHide

Rock
- Igneous rock
  - Normal crystalline igneous rock
    - Fine-grained ("volcanic") normal crystalline igneous rock
      - Dolerite
        Anorthobase
    - Dolerite
      - Anorthobase

Mineralogy of AnorthobaseHide

Essential minerals - these are minerals that are required within the classification of this rock:

Calcic plagioclase	A petrological term for plagioclase series feldspars dominant in calcium.
Pyroxene	A petrological term for Pyroxene Group.

Internet Links for AnorthobaseHide

mindat.org URL:

https://www.mindat.org/min-50620.html
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References for AnorthobaseHide

Reference List:

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

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