The phrase "a major split" is correct and usable in written English.
It can be used to describe a significant division or disagreement between groups, individuals, or ideas.
Example: "The recent events have led to a major split within the organization, causing factions to form."
Alternatives: "a significant divide" or "a substantial rift."
"The major story was a major split in the use of crack," said Mr. Johnson.
The Greece crisis has caused a major split at the heart of the EU.
Although both Moscow and the Obama administration seem committed to convening Geneva Two, a major split has emerged between Russia and the US over who should take part.
The cabinet was "focused on working together to prepare for those negotiations" and there was no danger of a major split, she added.
Betrayed by his closest allies and with his party on the verge of a major split, he is the new David Miliband.
Their determination to make a noise, has caused a major split amongst the 129th Company wives: "I've been told to suck it up and deal with it.
The next major split resolved a clade with American and Eurasian subclades, and an African/Australasian clade with Cyrtantheae as sister to a Haemantheae/Calostemmateae clade.
The next major split resolves an American clade (66% BS; PP = 0.99) and a Eurasian clade (65% BS; PP = 1.00) as sisters (100% BS; PP = 1.00) and a clade (66% BS; PP = 1.00) with the African monogeneric tribe Cyrtantheae (100% BS; PP = 1.00), and tribe Haemantheae (100% BS; PP = 1.00) as sisters (100% BS; PP = 1.00), and the Australasian tribe Calostemmateae (100% BS; PP = 1.00) as sister to these.
Instead, Britain signed the General Treaty with the Soviet Union only on her own behalf, marking the first major split between Britain and Australia on a matter of foreign policy.
The rooted Csl phylogeny suggests a major early split between CesA/CslD/F and the other Csl families (at node I).
This major split is then followed by a subsequent split between the east and west African red duiker lineages at 4.98 Ma 3.58-6.69 3.58-6.69 HPDthe Pliocene.
