Definition of kimberlite
: an agglomerate biotite-peridotite that occurs in pipes especially in southern Africa and that often contains diamonds
Recent Examples of kimberlite from the Web
Most kimberlites are old, too, forming from the Proterozoic (between 541 million and 2.5 billion years ago) up to the Cretaceous (79-145 million years ago).
Many diamonds are embedded in a dense volcanic rock called kimberlite, which gets its name from the town of Kimberley, South Africa, where several of the world’s first diamond mines were discovered.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kimberlite'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of kimberlite
Kimberley, South Africa + 1-ite
First Known Use: 1887See Words from the same year
Seen and Heard
What made you want to look up kimberlite? Please tell us where you read or heard it (including the quote, if possible).