Definition of Burgess Shale in English:

Burgess Shale

Syllabification: Bur·gess Shale
Pronunciation: /ˈbərjis ˌSHāl
 
/
A bed of shale exposed in the Rocky Mountains in British Columbia, Canada. The bed, dated to the Cambrian period (about 530 million years ago), is rich in well-preserved fossils of early marine invertebrates, many of which represent evolutionary lineages unknown in later times.
More example sentences
  • The best-known of these sites is the legendary Burgess Shale in the British Columbian Rocky Mountains.
  • Pictured above is Canadia, from the Middle Cambrian Burgess Shale of British Columbia.
  • Patrick Orr, now at the National University of Ireland in Galway, and I decided to analyse some Burgess Shale fossils by mapping the distribution of elements using an electron microprobe.

Origin

named after the Burgess Pass, British Colombia, where the shale crops out.

Definition of Burgess Shale in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something