# The ocean's salt could blanket the Earth's land surface in a whopping 500-foot layer

**URL:** <https://boards.straightdope.com/t/the-oceans-salt-could-blanket-the-earths-land-surface-in-a-whopping-500-foot-layer/990203>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [September 16, 2023, 11:52am UTC](https://boards.straightdope.com/t/the-oceans-salt-could-blanket-the-earths-land-surface-in-a-whopping-500-foot-layer/990203 "2023-09-16T11:52:19Z")\
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**Author:** ![JimNightshade](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/jimnightshade/32/3354_2.png) [@JimNightshade](https://boards.straightdope.com/u/JimNightshade)\
**Post date:** [September 16, 2023, 5:09pm UTC](https://boards.straightdope.com/t/the-oceans-salt-could-blanket-the-earths-land-surface-in-a-whopping-500-foot-layer/990203/6 "2023-09-16T17:09:21Z")

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It was a joke once, for 20 minutes

> [@Not many people know that...](https://boards.straightdope.com/t/not-many-people-know-that/271647?page=5):
>
> [If the salt in the sea could be removed and spread evenly over the Earth’s land surface it would form a layer more than 500 feet thick, about the height of a 40 story office building.](http://www.palomar.edu/oceanography/salty_ocean.htm) Man has landed on the moon six times and spent almost 300 hours on the moons surface (not all EVA). Yet man has visited the deepest part of the worlds oceans, Challenger Deep in the Mariana’s Trench, just once. In 1960. For 20 minutes.[Man has visited the deepest part of the worlds oceans, Challenger Deep in the Ma…](http://en.wikipedia.org/wiki/USS_Trieste)

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