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dunite
This term is a highly specialized geological descriptor used primarily in petrology to identify a specific type of ultramafic rock. It carries a neutral, scientific connotation and is almost exclusively found in academic papers, geological surveys, or textbooks rather than in general conversation.
As a mass noun referring to a mineral composition, it is typically treated as uncountable. When referring to specific geological occurrences or samples, it remains uncountable, requiring partitive phrases such as a sample of dunite or a layer of dunite to denote individual units.
Meanings
Examples
The sample is a classic example of dunite due to its high olivine content.
Dunite often forms through the process of magmatic differentiation.
I wonder if this layer is actually dunite or just a very olivine-rich peridotite.
The geologist identified the rock as dunite under the microscope.
Large bodies of dunite can be found in certain ophiolite complexes.
Is the dunite layer consistent throughout the entire intrusion?
Is the dunite layer consistent throughout the entire intrusion?