The phrase "a big chapter on" is correct and usable in written English.
It can be used when referring to a significant section of a book or document that covers a specific topic in detail.
Example: "The textbook includes a big chapter on environmental science that explores various ecosystems and their importance."
Alternatives: "a substantial section about" or "an extensive part regarding".
"A big, big chapter is finished," he said.
This was another big chapter in our career: we cloned a lot of important genes.
A big zoom-out on my chapter with them, like a movie ending.
Pollan devoted an entire chapter on "big organic," which tried to reconcile the back-to-nature growers from the 60's who spawned the organic food movement with today's industrialization of the organic food industry.
Though it was huge - WorldCom was the biggest Chapter 11 case on file until Lehman Brothers collapsed in September 2008 - Judge Gonzalez said that it was easier to manage.
Federal officials have approved a financing plan of nearly $14.1 billion for the "Big Dig" tunnel project here, closing a chapter on a financial debacle that led to firings and criminal investigations.
And, as this essay was being written, news arrived to the office of National Center for Science Education (NCSE) that the Cobb County, Georgia school district had requested MacMillan-McGraw Hill to delete a chapter on the Big Bang and earth's origin in an earth science booklet for fourth graders, after parents complained.
Like a homeowner overstretched with a big mortgage on an underwater property, some bondholders whispered back then that the company might have to file for Chapter 11.
The much larger "Work" section includes a surfeit of detail on such matters as what the critic of the Wilmington Morning News thought of "A Dangerous Maid," but Pollack redeems himself with big, glorious chapters on masterworks like "Rhapsody in Blue" and "Porgy and Bess".
