The phrase "astounding quantity" is correct and usable in written English.
You can use it to describe a remarkably large amount of something, often to emphasize its impressiveness.
Example: "The research revealed an astounding quantity of data that had never been analyzed before."
Alternatives: "remarkable amount" or "incredible volume."
Some experts point to the promise of so-called carbon nanotubes a form of carbon that experiments suggest could reversibly store astounding quantities of hydrogen.
In 1999, he took the Anglo-Saxon poem Beowulf and hammered it into a weathered English, which sold in astounding quantities and won the Whitbread Book of the Year Award.
By 1997, the restless, charismatic exhibitionist, multitasker and motormouth — a man with "no off switch," as this book puts it — was dead, burned out at the age of 44 from a toxic combination of hard work and hard partying, both sustained by astounding quantities of alcohol.
We find that even a relatively simple neural network can learn many significant quantities to astounding accuracy in a matter of minutes and can also predict hithertofore unencountered results, whereby rendering the paradigm a valuable tool in physics as well as pure mathematics.
Halloween may come once a year, but Americans have developed an "astounding" number of occasions for feeding "large quantities of unhealthy food to small children," she said, citing candy for holidays as diverse as Cinco de Mayo and St. Patrick's Day.
"Thanks to advancements in HD video devices including digital SLR cameras and HD video cameras, the quality and quantity of video content being produced by professionals and enthusiasts alike has grown at an astounding pace," said Dale Pistilli, vice president of marketing for WD's branded products group.
The economic crisis has undermined the quantity of photographers in the print media, especially among local newspapers in the United States, but "the quality of work at the top end of photojournalism is astounding," he said.
"It was astounding," Mora said.
But then something astounding happened.
