Definición de Burgess Shale en inglés:

Burgess Shale

Saltos de línea: Bur|gess Shale
A stratum of sedimentary rock exposed in the Rocky Mountains in British Columbia, Canada. The bed, dated to the Cambrian period (about 540 million years ago), is rich in well-preserved fossils of early marine invertebrates, many of which represent evolutionary lineages unknown in later times.
Más ejemplos en oraciones
  • 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.

Origen

named after the Burgess Pass, British Columbia, where the shale outcrops.

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Palabra del día inamorata
Pronunciación: ɪˌnaməˈrɑːtə
noun
a person's female lover