# Uranium-thorium dating { "id": "S93003557", "title": "Uranium-thorium dating", "url": "/topics/S93003557", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "7f58a3585f57cc26", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9243721798133368352", "address_version": "morton4x16-v1", "coordinates": [ 0, 22, 11388, 37888 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh93003557 No owner-reviewed local answer yet.