It seems there may have been a typographical error in your question. If you meant "continental rift theory," it relates to the processes by which continental plates diverge, leading to the formation of rift valleys and ultimately, new ocean basins.
The continental rift theory explains how some regions of a continent can experience tectonic activity, leading to the stretching and thinning of the lithosphere. As the lithosphere is pulled apart, it can create rift valleys, where the crust sinks down, and this process can eventually lead to the formation of a new oceanic crust if rifting continues over millions of years.
Key features of continental rifting include:
- Tectonic Activity: Rifting is associated with tectonic forces that can result in earthquakes and volcanic activity.
- Faulting: The process is characterized by normal faulting, where the crust is extended, and blocks of the crust drop down.
- Sediment Accumulation: As rifts develop, sediment can accumulate in the down-dropped areas (basins), leading to the formation of lakes and new ecosystems.
- Examples: Notable examples of continental rifts include the East African Rift and the Rio Grande Rift in North America.
As rifting progresses, if the process continues long enough, it can lead to the breakup of the continent and the formation of new ocean basins, a process that takes millions of years.
If you were asking about something else or a specific aspect of continental rift theory, please feel free to clarify!