Definition of kimberlite in English:

Share this entry

kimberlite

Pronunciation: /ˈkimbərˌlīt/

noun

Geology
A rare, blue-tinged, coarse-grained intrusive igneous rock sometimes containing diamonds, found especially in South Africa and Siberia. Also called blue ground.
Example sentences
  • It was suggested by some readers that the matrix for the featured diamond crystal from the Jagersfontein mine looked suspiciously like the rock eclogite rather than kimberlite.
  • Diamond is obtained from volcanic pipes composed of kimberlite or lamproite, rocks that are found only in cratons, very old stable areas of the Earth's crust.
  • Lamproite is also a mantle-derived ultramafic rock that differs from kimberlite in bulk chemistry, being richer in silicon and poorer in aluminum and iron.

Origin

Late 19th century: from Kimberley + -ite1.

For editors and proofreaders

Syllabification: kim·ber·lite

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.