The phrase "a significant split between" is correct and usable in written English.
It can be used to describe a notable division or difference between two or more entities, ideas, or groups.
Example: "There is a significant split between the two political parties on this issue, highlighting their differing ideologies."
Alternatives: "a considerable divide between" or "a major gap between".
The board's decision to remove Mr. Conaway and replace him with Mr. Adamson as chairman signaled a significant split between management and the board on the future direction the company should take.
Amid growing evidence of a significant split between Merkel and her finance minister Wolfgang Schäuble on a new Greek bailout, some officials spoke darkly of Athens being allowed to default within the eurozone by early summer.
The decision marks a significant split between the qualifications systems in England and Wales, which have so far shared a common system of A-levels and GCSEs.
This sudden switch caused a significant split in the electronic music scene between ex-ravers who decided to "grow up" and wear button downs and tiny black dresses, and those who maintained a more casual dress-to-sweat aesthetic.
Which is a significant split that speaks to the often-confusing fragmentation of this already-pretty-split-up rock subgenre.
The more significant split between the courts is socioeconomic — a reflection of the broader dynamics of the civil war, which has largely been driven by Sunni Muslims from rural backgrounds who suffered a decade of neglect under the Assad government.
Spokesmen for the E.P.A. and the Energy Department said that there was no significant split between the Cabinet agencies over the issue and that they were continuing to work closely on the review of the program.
In both cases, we see a significant splitting of the survival plots between the R+ and R− subtypes (P=1.0 × 10 4 in colorectal and P=3.7 × 10 4 in ovarian tumors, respectively).
For students who must travel further than 3 km, there is a significant modal split between households with different socioeconomic status and car ownership.
