core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

geoMidpoint

Canonical URL: http://schema.org/geoMidpoint

Thing > Property > geoMidpoint

Indicates the GeoCoordinates at the centre of a GeoShape e.g. GeoCircle.
Values expected to be one of these types
GeoCoordinates
Used on these types
GeoCircle

Schema Version 3.4