The phrase "a vast basin" is correct and usable in written English.
It can be used to describe a large, bowl-shaped geographical feature, often referring to areas like lakes, oceans, or even metaphorical contexts.
Example: "The researchers discovered a vast basin filled with unique marine life, previously unknown to science."
Alternatives: "a large depression" or "an expansive hollow".
The Curiosity rover landed in a feature on Mars called the Gale Crater, a vast basin with a 5km mountain rising from the centre.
In general, the country's landform structure can be considered as a vast basin more than 3,220 miles (5,200 km) in diameter.
And in West Antarctica a wall of glaciers separating a vast basin of ice from the sea is coming apart far faster than anticipated, suggesting that quite a lot of sea level rise is now unavoidable and will occur faster and more dramatically than anticipated.So, time to sell that oceanfront property?
With his colleagues Jeffrey R. Parsons and Robert S. Santley, Dr. Sanders conducted an aerial survey of the vast Basin of Mexico to try to identify and photograph the remains of temples, dwellings, outbuildings and farming terraces built by Aztec and Teotihuacán civilizations before the arrival of the Spanish conquistadors in the 16th century.
Pausing by a vast sand basin, scarred by the tracks of dare-devil drivers racing their 4x4s into its depths, we set up camp.
It includes the Yukon Flats National Wildlife Refuge, a 9-million-acre (3.6-million-hectare) refuge that contains the Yukon Flats, a vast wetland basin, and the Tanana River floodplain, part of which supports the growth of boreal forests.
The great and often monotonous expanses of the Polish lowlands, part of the North European Plain, are composed of geologically recent deposits that lie over a vast structural basin.
But for those positioned lower in the planet's stratosphere, Ozeki's novel often feels more like the great Pacific gyre it frequently evokes: a vast, churning basin of mental flotsam in which Schrödinger's cat, quantum mechanics, Japanese funeral rituals, crow species, fetish cafes, the anatomy of barnacles, 163 footnotes and six appendices all jostle for attention.
The silhouettes of saguaro cactus (which, if you don't want to sound like a city slicker, you'll pronounce sa-WA-ro) at sunset and the ochre light on the faces of the mountains remind visitors that Tucson is an urban oasis in a vast desert basin.
The Cincinnati Anticline created a vast elongated basin between the middle Ohio River and the Appalachians, in which the western Pennsylvania, West Virginia, and Kentucky coalfields were preserved probably the single largest coal reserve in the world together with the Lima Ohiooiloil field.
A vast river basin encircled by a nearly impenetrable ring of rock, it contains some of the largest remaining tracts of virgin jungle in Borneo.
