Basin that is the answer
Basin that is the answer
A low area surrounded by higher land is called a basin. The areas are usually bowl shaped and are completely surrounded.
A basin is a low-lying area surrounded by higher land with a bowl-shaped topography. It is typically formed by the erosion of softer rocks or by tectonic processes. This depression collects water from surrounding areas, forming lakes or marshes.
In geology, a basin occurs where rock strata tilt toward a common center. A bowl-shaped vessel usually for holding food or liquids Or a Bowl-Shaped area that forms around a volcano's central vent.
plat form
It is a valley
a valley
basin
Great Basin
its called a basin
The opening may have a crater, more technically called a "caldera."
A bowl-shaped area that forms around a volcano's central vent is called a crater.