The phrase "a formidable resource" is correct and usable in written English.
It can be used to describe something that is a powerful or impressive source of support, information, or assistance.
Example: "The new library is a formidable resource for students, offering a vast collection of books and online materials."
Alternatives: "an invaluable asset" or "a significant advantage".
The larger collections of living plants constitute a formidable resource for professional scholars, but, more importantly, they provide a rich opportunity for the general public to learn more about plants and how to grow them.
That report referred to a "volatile mix of rising and declining regional powers" in Asia, with the possibility that "a military competitor with a formidable resource base will emerge".
The program has since grown into a formidable resource for women who want to forge careers in studio arts and recording, with 1,200 students in workshops across the country every year and 5,000 online members, according to Winston.
With less than half of all Chernozems in Eurasia being used for arable cropping, these soils constitute a formidable resource for the future.
Burns, the great oracle of Scottish emotion, is a formidable rhetorical resource in a nationalist politician's locker.
Although this inaccessible realm has long been out-of-sight, out-of-mind for humans, with the rapid development of deep-sea technology, industry now considers the region to be the last, yet most formidable, resource frontier on Earth.
Although there is an international research effort, pharmaceutical companies, motivated by profit, have not put their formidable resources into a vaccine, since the nations that need it would not be able to pay much for it.
"The M.T.A. has put forward a formidable plan and one that requires formidable resources.
ZDNet www.zdnet.com A Ziff-Davis spinoff, ZDNet marshals the formidable resources of the Ziff-Davis family of technology publications and websites.
Organizing finances, vetting candidates and running field managers to shepherd the legislative victory, Mr. Gilmore directed a machine that other politicians envy as state of the art and that the McCain camp rates as an ideal contrast, if only for its formidable resources.
Its director, Lu Chuan, is skilled, in an old-fashioned sense—he deploys the formidable resources placed at his disposal to make images that dispense their narrative and emotional content with portentous, emphatic precision and an absolute lack of overrun, of potential for ambiguity or imaginative speculation.
