Definition of troctolite in English:
Gabbro made up mainly of olivine and calcic plagioclase, often having a spotted appearance likened to a trout’s back.
- There is some grain size reduction of the troctolite adjacent to the anorthosite, indicating a chilling effect.
- Metasomatic anorthosite formed by replacement of layered gabbroic troctolite in the Skaergaard intrusion is shown here.
- Similar advantages in melt behaviour are also achieved by using troctolite as the iron and magnesium source rather than traditional materials.
Definition of troctolite in:
- British & World English dictionary
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