The phrase "and a staggering volume" is correct and usable in written English.
It can be used to describe an impressively large amount of something, often in contexts related to data, information, or physical quantities.
Example: "The report revealed a staggering volume of data that needed to be analyzed before the deadline."
Alternatives: "and an overwhelming amount" or "and an immense quantity".
Next day, the rest of Moscow went away, along with Kiev, Vladivostok, the steppes, the Volga, Pravda, caviar, the K.G.B., the entire Red Army, the 1812 Overture, the Russian winter, Count Vronsky, the annual wheat crop failure and a staggering volume of vodka.
Via pieces to camera and a staggering volume of self-documentation, we're given an image of a deeply disturbed young woman.
Irritated by the main cholera toxin, the intestine will gush fluid, and a person will develop cramping, vomiting, and, most notoriously, diarrhea that rapidly becomes a staggering volume of "rice-water" stool: a watery liquid filled with mucous flakes and epithelial cells.
From 1885 until his death, Murray lived at Oxford, working with a staggering volume of materials and completing about half of the dictionary, sections A D, H K, O, P, and T. It was his organization that made completion of the great undertaking possible.
This software produces a staggering volume of hits and leads to lots of false positives, like Khan's.
With a few keystrokes on his computer at Purdue, Jack Crowley could identify pharmacies around the country that were moving a staggering volume of 80s and almost nothing else.
The bank sold "a staggering volume of these swaps in a concentrated period," the trading commission said.
The justices, aiming to curtail what they called a "staggering" volume of piracy online, largely set aside concerns that new lawsuits would inhibit technology companies from developing the next iPod or other high-tech gadgets or services.
A truly staggering volume of evidence shows that people who eat any diet conforming roughly to Michael Pollan's famously pithy advice -- "eat food, not too much, mostly plants" -- and who exercise routinely are dramatically less prone to obesity and chronic disease than everyone else.
