Definition of granulite in English:
A fine-grained, granular metamorphic rock in which the main component minerals are typically feldspars and quartz.
- These rocks display clear prograde metamorphism that peaks in granulite facies.
- Two types of terrain are especially characteristic of Archaean geology: greenstone - granite terrains and granulite - gneiss terrains.
- The granulite to eclogite transformation may not occur if water is absent; for example, if ocean crust has been dehydrated as happens when a slab subducts.
- Example sentences
- The researchers studied metamorphic conditions of granulitic rocks in the Zoblitz complex and estimated maximum pressure conditions of 21 kbar at 830°C.
- Resting on top of the granulitic rocks of the Dalsfjord Suite are the arkosic metasediments of the Hoyvik Group which are interpreted as detritus from the Dalsfjord Suite rocks.
- Also, those workers noted that eclogites, in particular with felsic composition, are theologically weak, relative to their granulitic equivalents.
Definition of granulite in:
- British & World English dictionary
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