Magma Generation on Mars: Amounts, Rates, and Comparisons with Earth, Moon, and Venus
Authors:
- 15 November 1991
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 254 (5034) , 996-998
Abstract
Total extrusive and intrusive magma generated on Mars over the last ∼3.8 billion years is estimated at 654 × 10 6 cubic kilometers, or 0.17 cubic kilometers per year (km 3 /yr), substantially less than rates for Earth (26 to 34 km 3 /yr) and Venus (less than 20 km 3 /yr) but much more than for the Moon (0.025 km 3 /yr). When scaled to Earth's mass the martian rate is much smaller than that for Earth or Venus and slightly smaller than for the Moon.Keywords
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