The phrase "an isolated tract" is correct and usable in written English.
It can be used to describe a specific area or region that is separated or remote from others, often in a geographical or ecological context.
Example: "The researchers discovered an isolated tract of forest that had remained untouched by human activity for decades."
Alternatives: "a remote area" or "a secluded region".
The Mahe sector consists of two parts: the quaint picturesque town of Mahe, with its buildings situated on the left bank of the Mahe River close to its mouth; and the isolated tract known as Naluthrara, on the right bank, comprising the four villages of Chambara, Chalakara, Palour, and Pandaquel.
"Right now, it's not even safe to walk across your yard anymore because the oak trees are shedding foot-thick limbs in order to survive," said Gilliam Clarke, of Wesley Chapel, Fla., who lives just outside the Cypress Creek well field, a once-isolated tract that is one of 11 set aside long ago to feed the region's demands.
As much as the exoticism of distance, I had been attracted by the vast and isolated tracts of temperate wilderness that Tasmania has preserved.
Other poor people are shuttled in against their will by the government to isolated tracts of row houses.
The official said the country's official satellite imagery database had not been updated since the 1980s – a key hindrance in the ability to track the extremists' movements across wide, isolated tracts of desert and forest.
Because the island habitat of the genus restricts gene flow and because the two known species are separated by considerable distance geographically, the authors suggest that other unexplored, isolated tracts of dipterocarp forests between Thailand and Malaysia may contain additional species.
(E ) Ventral view of heart from MM3 showing an isolated yellow clone in ventral part of outflow-tract.
This is an isolated incident".
"It is an isolated incident".
