GeoBlacklight uses a lightweight metadata schema designed for geospatial resource discovery. The schema enables keyword searches, faceted refinement, and spatial map searching.

Metadata for GeoBlacklight is documented on the OpenGeoMetadata website.

Metadata Schema for GeoBlacklight versions 4.x: Beginning with GeoBlacklight version 4, the metadata schema is OpenGeoMetadata, version Aardvark.

Metadata Schema for GeoBlacklight versions 2.x - 3.x: The schema for GeoBlacklight up to versions 3.x is the GeoBlacklight Metadata 1.0 schema.

Upgrading Metadata from GBL 1.0 to OGM Aardvark: See the metadata upgrade guide on OpenGeoMetadata