The phrase "amassed volume" is correct and usable in written English.
It can be used to describe a large quantity or collection of something that has been gathered or accumulated over time.
Example: "The scientist presented her findings based on the amassed volume of data collected during the research study."
Alternatives: "accumulated amount" or "gathered quantity".
PPPL researchers have run this and similar carefully controlled experiments -- called "shots" -- more than 100,000 times since 1995, and amassed volumes of data and numerous scientific papers.
The college's John J. Burns Library has amassed volumes of secret materials on Northern Ireland, including, this year, the papers of an international commission that oversaw the destruction of paramilitary arms dumps.
The Michigan case, concerning one of the nation's most prestigious public universities, is considered a particularly significant case because it involves a variety of affirmative action efforts, and because the university has amassed volumes of social science attesting to the educational benefits of diversity.
By tracking things like consumer clicks and the behavior of thousands of computer servers working together, they amassed large volumes of data at a time when collapsing prices for data storage made it attractive to analyze.
His arrest at his office by F.B.I. agents came on a tip prompted by a re-enactment of the Westfield murders on the television program "America's Most Wanted". At the time of the arrest, the F.B.I. had amassed 10 volumes of reports on the List investigation.
If Calder can buy Virgin on the cheap, he would amass enough volume to justify building his own worldwide distribution business.
He began observing birds when he was 7, and by 12 he was photographing birds in the hand, sketching birds and had already amassed an impressive volume of data.
It amassed a great volume of data based on original sources and was a pioneering work in its attempt to depict the development of the Russian state as the result of geographic and historical circumstances rather than as a result of divine providence.
He's amassed such a volume of work it's retarded.
When contacted about the documents and photos reviewed by HuffPost, Ed Griffith, public information officer for the Miami-Dade State Attorney's Office, said that in the course of its investigation into the incident, the office "amassed a large volume" of materials and as such it would not be possible to include every detail in their report.
