Subject: Seaham Quarry is significant to the history of Australian geology and its associations with the famous Australian geologist, Professor Edgeworth David who first recognised the glacigene origin of the Carboniferous sediments in the Seaham area in 1914.
Photographer: V. Scarcella
Copyright owner: Heritage Office
Date: 26/11/1999

Subject: Seaham Quarry is of international scientific importance because of the perfection of preservation of its varied shales and the associated contorted beds exposed in them.
Photographer: V. Scarcella
Copyright owner: Heritage Office
Date: 26/11/1999

Subject: The quarry contains, in its shale deposits, evidence of the galcial origin of rocks in the Hunter River Valley.
Photographer: V. Scarcella
Copyright owner: Heritage Office
Date: 26/11/1999

Subject: The shale deposits are estimated by scientists to be more than 300 million years old.
Photographer: V. Scarcella
Copyright owner: Heritage Office
Date: 26/11/1999