He is a manof great wealth. Wha kind of phrase is the underlined one?

Prepositional Phrase: Preposition দিয়ে শুরু হয় কিন্তু Adjective Phrase বা Adverb Phrase এর মতো কাজ করে। যেমন -
- A man of high intellect often feels lonely. (Prepositional Phrase/ Adjective Phrase)
- He is a man of great wealth. (Prepositional Phrase/ Adjective Phrase).
- He went there with a heavy heart. (Prepositional Phrase/ Adverb Phrase)
- They came in a body.   (Prepositional Phrase/ Adverb Phrase)

Phrase Preposition: গুচ্ছগতভাবে Preposition এর কাজ করে।
যেমন - in front of, because of, according to ইত্যাদি।