The phrase "a broad zone of" is correct and usable in written English.
It can be used to describe a wide area or range of something, often in contexts related to geography, research, or abstract concepts.
Example: "The study revealed a broad zone of influence that the new policy would have on local communities."
Alternatives: "a wide range of" or "a large area of".
Inland from the narrow coastal strip is a broad zone of mixed cropping and grazing.
In the lowest part of the dome, separated from the medallion by a broad zone of gold, stand prophets with their scrolls.
The syncline is bounded on its western flank by an asymmetric anticline and on its eastern flank by a broad zone of thrust faults and associated folds, which are oriented sub-parallel to the syncline axis.
As a continental rift develops towards a new oceanic spreading centre, extension that is initially accommodated in a broad zone of faulting and ductile stretching must transition towards a narrow zone of focused magmatic intrusion.
But the NYT says Washington is finding that "its leverage in Latin America is limited just when it needs it most, a reflection of how a region that was once a broad zone of American power has become increasingly confident in its ability to act independently".
But Washington is finding that its leverage in Latin America is limited just when it needs it most, a reflection of how a region that was once a broad zone of American power has become increasingly confident in its ability to act independently.
CAR is mineral-rich and landlocked, bordered by six countries, each of them linked to a broader zone of instability.
Generally, VMTS is a more prominent form of vitreomacular attachment usually associated with a broader zone of attachment and a moderate degree of epiretinal membrane formation.
Play facilitates learning as it creates and scaffolds a broader zone of proximal development wherein children are involved in tasks slightly above their abilities (Vygotsky, 1967).
The increase in size of the RAM seen in spt mutants is correlated with a broader zone of expression of the auxin efflux carrier PIN4 and a stronger auxin maximum, as visualized by DR5::GUS expression.
Karelian, the largest of these groups, with some 25,000 speakers not counting those Karelians who emigrated into Finland following World War II lies along a broad zone just east of the Finnish border from just north of St . Petersburgto the White Sea.
