Reports

Release of Juvenile Water on Mars: Estimated Amounts and Timing Associated with Volcanism

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Science  26 Jun 1987:
Vol. 236, Issue 4809, pp. 1653-1654
DOI: 10.1126/science.236.4809.1653

Abstract

The amount of water released on Mars in association with volcanism is estimated to equal a layer 46 meters deep over the entire planet. Most of this water was released in the first 2 billion years of martian history. The estimate is based on mapping the volcanic materials and by inferring the volatile content of the lavas. Water from other sources, such as plutonic activity and cometary contributions, is not included in the estimate.

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