The phrase "a widespread zone" is correct and usable in written English.
It can be used to describe an area or region that is extensive or commonly found across a particular space.
Example: "The research focused on a widespread zone of biodiversity that spans several countries."
Alternatives: "a broad area" or "a large region".
A spectre haunts policymakers, journalists, sociologists, and experts in thinktanks: "the social question", in its contemporary form of mass vulnerability and increasingly widespread zones of disaffiliation.
This anomaly was interpreted as a widespread partial melting zone and source for free fluids at seismogenic depths.
It requires permanent organisation, and not only "temporary autonomous zones", to quote a widespread slogan in today's movements.
We found that cartilage calcification was a widespread phenomenon during OA, involving all joint compartments including nonweight-bearing zones and the whole depth of cartilage.
Plumbojarosite, a widespread iron and lead sulfate mineral, PbFe6(So4)4(OH)12, that has been found in the oxidized zone of lead deposits, particularly in arid regions.
There has been a widespread assumption that Russia's military intervention last autumn scuppered any plan for a no-fly zone, as Russian planes were most active over the very airspace where a secure zone had been envisaged.
Hipposideros commersoni sensu stricto is a widespread endemic to Madagascar and can be found from sea level to 1325 m, generally in forested zones [ 11].
A widespread field activity was conducted to gather the modeling data from 285 office buildings through all the 4 climatic zones in Iran.
CaC crystal deposition is a widespread phenomenon in human OA articular cartilage involving the entire knee cartilage including macroscopically normal and less weight-bearing zones.
Displacement is a widespread practice.
