The phrase "a source of material for" is correct and usable in written English.
It can be used when referring to something that provides information, content, or resources for a specific purpose or project.
Example: "The library serves as a source of material for students conducting research on historical events."
Alternatives: "a resource for" or "a provider of content for".
(Mr. Letterman had mined "Manhattan's giant rats" as a source of material for months).
I'm on record as saying that the retractable-hardtop convertible craze will eventually go the way of Crocs and televised dance contests, and become a source of material for VH1's "I Love the '00s".
I also encourage my students to research stories and events that are analysed and reported there, so it is very well used as both a stimulus to my students and a source of material for them.
Xenogeneic tissues are derived from other animal species and provide a source of material for engineering mechanically functional tissue grafts, such as heart valves, tendons, ligaments, and cartilage.
The arrests heightened long-standing concerns that eastern Europe is serving as a source of material for a "dirty bomb", which would use conventional explosives to scatter radioactive debris.
"It's not secretive but of course the whole text is not available because nothing's agreed until everything's agreed, so to be putting out bits and pieces over five years, which may or may not end up in the final document, all that's going to do is be a source of material for those anti-trade groups to worry people and misrepresent, he told the ABC.
Whaling was not just a source of material prosperity for the Makah; it was also a spiritual endeavor.
The way this story grew into the myth of a legendary city of gold reveals the distinct way in which gold was a source of material wealth for European conquerors.
It's a curious stance, given that Davos's reputation as a sex Olympics for fatcats ought to make it a rich source of material for an award-nominated erotic novelist like Mason.
Luiz is one of those players who have become featured cast members in the Premier League's soap opera: a fixation for social media, a regular source of material for radio phone-ins and newspaper columnists.
A combination of their abundance and efficiency makes them a sustainable source of material for water disinfection.
