Britannica
Sources used in this answer
When did Britain officially adopt the Ordovician System?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Ordovician Period
The distribution of landmasses, mountainous regions, shallow seas, and deep ocean basins during the Ordovician Period. Included in the paleogeographic reconstruction are the locations of the interval's subduction zones.
Britain officially adopted the Ordovician System in 1960.1
Although the system was proposed by English geologist Charles Lapworth in 1879 to resolve a long-standing stratigraphic dispute between Adam Sedgwick and Roderick Murchison, the proposal faced significant resistance in Britain for several decades. Despite gaining widespread international acceptance earlier, it was not until 1960 that the system was formally recognized within Britain.12