Definition of kimberlite in English:

kimberlite

Syllabification: kim·ber·lite
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.
More 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.

Definition of kimberlite in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day setose
Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly