The phrase "a fundamental split" is correct and usable in written English.
It can be used to describe a significant division or difference in opinions, beliefs, or structures within a particular context.
Example: "The debate revealed a fundamental split between the two factions regarding the future direction of the organization."
Alternatives: "a deep divide" or "a major rift".
So it isn't a fundamental split.
Beyond and below that common dream, though, there was a fundamental split.
Her comments highlight a fundamental split at the top of the party.
Scottish voters tend to dislike terms that emphasise a fundamental split from Britain, preferring upbeat mentions of "exciting opportunities".
Mr. Daschle and Mr. Gephardt expressed admiration for each other today and said their disagreement on Iraq did not reflect a fundamental split in the party's leadership.
He spoke of a fundamental split between "our Anglo-Saxon friends who have a purely commercial vision of agriculture" and the French, who believe "rural areas should be inhabited by human beings".
From that fundamental split came others, and it was soon clear that, while all women were good, some women were better than others.
Speaking to reporters during a visit to the battleground state of Ohio, where the vice-president delivered remarks on the economy, Biden said "there's no fundamental split in the Democratic party".
As Miller shows, Roosevelt's protracted feud over football with the president of Harvard, Charles Eliot, reveals the fundamental split in opinion that existed among America's elites at the time.
But the fundamental split on the question of halting the nuclear program was striking, he said, especially when Vice Marshal Choe failed to take Mr. Xi's lead on the six-party talks during their meeting.
Some argue that the concept of reduction is on a par with concepts such as causation in that it is intimately tied to certain 'because'in'in virtue of' or 'by' statements, or that there is no fundamental split between explanatory and ontological models of reduction (van Riel 2011; McCauley 1981).
