The phrase "a deep area" is correct and usable in written English.
It can be used to describe a location or space that has significant depth, whether literally (like a body of water) or metaphorically (like a complex topic).
Example: "The diver explored a deep area of the ocean, where few had ventured before."
Alternatives: "a profound region" or "a significant depth".
"There will be a glacier acceleration and thinning associated with the first retreat into a deep area but then some slowing".
A stroke in a deep area of the brain (for example, a stroke in the thalamus, the basal ganglia or pons) is called a lacunar stroke.
A deep area of low pressure from the Atlantic is moving slowly north-east, touching north Wales before passing over the North Sea by evening – bringing heavy rain and wind with it.
Last year, a child drowned, a 14-year-old boy from South Korea who had been in the country for two days and was in a deep area he was not qualified to be in.
"The two main features of the weather are the rain today and then on Wednesday night there's quite a deep area of low pressure passing by to the north-west of Scotland, which could give some very strong winds on Wednesday night coming into Christmas Eve morning.
The weather system over the UK is described by the BBC Weather Centre as a deep area of low pressure.
Results: A typical lesion was made up of a superficial area of tissue necrosis and a deeper area of sublethal damage.
"I think I have a basic, personal kind of pessimism, but I do not want to live on that or feed it as if it were a deeper area of understanding.
Instead of tubercle impressions, there were impressions of folded soft tissue, with a deeper area at the anterior end of the opening that may have been the approximate location of the nostril itself.
The top of the ridge rises to less than 200 m from the surface near its southern end, with a deeper area to the north.
From mid-July to September, a deeper area of the barrier reef is banned to all fishers.
