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Friday, May 15, 2026

Fact check: Atlantic, Pacific oceans mix regardless of clay and iron - USA TODAY

The claim: Video shows Atlantic and Pacific oceans, which "don't mix" due to clay and iron content

The claim that the Atlantic and Pacific oceans "don't mix" has again emerged on social media.

"Why the Pacific Ocean and the Atlantic ocean don’t mix. The pacific has more clay composition. Atlantic has more Iron. Clay and Iron dont do well together," reads the caption of an April 27 Facebook post.

The post includes a video, shot from a boat on a large body of water. The video shows what appears to be darker and lighter colored water meeting at a strong demarcated line.

The video was viewed more than a million times in a week.

However, the claim is wrong. The video was shot at a site in Canada where a freshwater river flows into a body of saltwater. Further, the Atlantic and Pacific oceans do mix – and their iron and clay content is not an important factor informing mixture, according to a NASA oceanographer.

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USA TODAY reached out to the Facebook user who shared the claim for comment.

Video does not show Atlantic and Pacific oceans meeting

Rather than the meeting of the Atlantic and Pacific oceans, the footage was shot in western Canada, according to the company operating the boat in the video. It shows the outflow of the freshwater Fraser River into the Strait of Georgia – a body of saltwater that separates Vancouver Island from mainland British Columbia.

This outflow is...



Read Full Story: https://www.usatoday.com/story/news/factcheck/2022/05/10/fact-check-atlantic-...