<p>The <a href="https://en.wikipedia.org/wiki/Martian_spherules" rel="nofollow noreferrer">martian blueberries</a> (only blue in false color) found by the Opportunity rover in Meridium Planis are formed by slow evaporation in mineral-rich liquid water. They obviously formed early in the Martian history, but do we know more precisely when these blueberries formed?</p>

<mars><water><geology>
How old are the Martian blueberries?
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# How old are the Martian blueberries?

(Asked by: username_0 on 2020-08-04)

The [martian blueberries](https://en.wikipedia.org/wiki/Martian_spherules) (only blue in false color) found by the Opportunity rover in Meridium Planis are formed by slow evaporation in mineral-rich liquid water. They obviously formed early in the Martian history, but do we know more precisely when these blueberries formed?

**Tags:** mars, water, geology


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## 0 answers

