- "Building the massive walls and towers of the new city of Orsinium requires a great deal of stone. Much of it comes from the Tumnosh clan's rich quarry and its newly discovered depths."
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Graystone Quarry Depths is a mine in Wrothgar in The Elder Scrolls Online: Orsinium.
Lead by the Altmer scholar Neramo Graystone Quarry Depths were uncovered by the Tumnosh Clan, during excavations in the Graystone Quarry. The caverns house the Dwemer Ruins of Mzindyne.