The phrase "a sort of field" is correct and usable in written English.
It can be used to describe a category or area that is not precisely defined but shares some characteristics with a specific field.
Example: "The research focused on a sort of field that combines technology and education, exploring how digital tools can enhance learning experiences."
Alternatives: "a type of field" or "a kind of field".
In that spirit, I crouched to look for tidal life, with "The Edge of the Sea" as a sort of field guide.
It's a sort of field report by a professor of anthropology who enrolled undercover at her own university to study the customs and folkways of college students.
Jesse Griffiths, the Austin butcher and proprietor of the locavore-style food enterprise Dai Due, has tapped into that primordial urge with his new book "Afield," a sort of field guide to preparing game for experienced and new hunters.
Shops and offices on the northern outskirts of Bangkok closed for the day as convoys of red-shirted protesters converged on a military base that had become a sort of field headquarters for government leaders, including Prime Minister Abhisit Vejjajiva.
The Saturday before the march, the Luton Borough Council had urged citizens to "turn the town purple" by attending an event called Luton in Harmony, a sort of field day for the community that would counteract the corrosive effects of the looming showdown.
The plague never arrived, but the building served for years as a sort of field hospital for Rome's poor and later during World War Two became an important allied spy centre during the Nazi occupation of Rome.
The Brooklyn-based DJ Jubilee has described her debut LP as being "based around a night out"—a sort of floodlit field trip through pre-party bedrooms, death-black nightclubs, and the vanishing point of taxi rides home.
Unlike Deet, it works by creating a sort of force field around your skin that mosquitoes don't want to penetrate.
We're working on a sort of electromagnetic field on the ground which literally pulls it down to the surface where we can clean it and scrape it away.
Norton's account is a sort of critical field guide to Straussians, taxonomizing their "variants and subspecies" and assessing the ways in which some of them have affected U.S. foreign policy.
