succession

definition: 
Geology A group of strata representing a single chronological sequence;The action or process of inheriting a title, office, property, etc
sentence: 
Deep drilling in the southern Tyrrhenian Sea floor revealed a continental and oceanic substratum covered by upper Miocene and younger sedimentary successions. The new king was already elderly at the time of his succession.
difficulty: 
easy
toefl frequency: 
1
toefl classification: