[SunkenCiv]

Yeah, and that's probably where all the bones of the fish who drowned in the Great Flood are hidden. Rest of the Ringwoodite keyword, sorted:

• Mysterious freshwater reservoir found hidden beneath the ocean [06/24/2019]
• The Earth Is Eating Its Own Oceans [11/15/2018]
• Huge Aquifers Discovered Deep Under Drought-Stricken California [06/28/2016]
• Study: Deep beneath the earth, more water than in all the oceans combined [06/16/2015]
• Earth May Have Created Its Own Water Deep Within; And There's Still Enough There To Fill The Pacific [12/19/2014]
• Volume of world's oldest water estimated [12/18/2014]
• Rare Mineral Ringwoodite Included within Diamond Points to ‘Oceans’ beneath Earth [06/16/2014]
• Scientists discover massive ocean of water 400 miles underground [06/16/2014]
• Earth may have underground 'ocean' three times that on surface [06/13/2014]
• World's largest water reservoir found deep in earth [06/13/2014]
• Amazingly, the earths water is really a miniscule amount [05/15/2012]
• Astronomy Picture of the Day -- All the Water on Planet Earth [05/15/2012]
• Huge 'Ocean' Discovered Inside Earth [03/02/2007]

[MeganC]

Pardon me, but why would fish drown?