The phrase "a dark area of" is correct and usable in written English.
It can be used to describe a specific region or aspect that is obscure, unclear, or morally ambiguous.
Example: "The investigation revealed a dark area of the company's financial practices that raised serious ethical concerns."
Alternatives: "a shadowy aspect of" or "a murky part of".
To get daylight into the shower room, we have a 300mm diameter sunpipe (there is also one to light a dark area of the bathroom).
He draws greatly on an ingenious set that links a cheerful domestic interior to a shadowy veranda, allowing the characters to cross back and forth between a bright zone of moral surety and safety and a dark area of sensuality and danger.
They posted two videos showing what they said were different groups of victims; in one a series of charred bodies could be seen wrapped in blankets; in another, a far larger group of bodies — more than 150 ,according to the video's narrator — had been lined up together in a dark area of what was said to be a local mosque.
A dark area of the sky with a triangle of brighter stars just visible to the naked eye in good conditions, Leo Minor has been described by Patrick Moore as having "dubious claims to a separate identity".
Because the zeroth order beam is at the center of the field-of-view, the beam block generates a dark area of 20 µm × 24 µm at the sample plane when imaged with a 40X magnification.
The trials were recorded by a video camera positioned directly in front of the mice, while the experimenter observed the session from a distance in a dark area of the experimental room.
A spare bedroom or any dark area of your house would be appropriate.
"Just find a dark area clear of trees," Dr. Noah Petro, a scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland, told The Huffington Post in an email.
You should be able to visualize the hepatic sinusoids, and the parenchyma appears as a dark area (no autofluorescence of the parenchyma should be visible).
The event starts from the growth of a dark area in the central part of the structure.
We tested CA females from chamber V directly on site (in a perpetually dark area of chamber V) using a mobile test tank and an infrared nightshot goggle (Newton NV2x24 14061) emitting wavelengths above 850 nm, to which the visual pigments of P. mexicana are not sensitive [ 46].
