Mercurian volcanism questioned
Icarus
By: D.E. Wilhelms
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Abstract
The Mariner 10 television team has argued that extensive plains on Mercury were formed by volcanism and compared them with the demonstrably lunar maria. I believe, however, that in stratigraphic relations, surface morphology, and albedo contrast, the Mercurian plains more closely resemble the lunar light plains. These lunar plains were interpreted as volcanic on the basis of data comparable to that available to the Mariner 10 investigators but have been shown by the Apollo missions to be of impact origin. The plains on Mercury might also be formed of impact materials, perhaps of impact melt or other basin ejecta that behaved more like a fluid when emplaced that did lunar basin ejecta.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mercurian volcanism questioned |
| Series title | Icarus |
| DOI | 10.1016/0019-1035(76)90128-7 |
| Volume | 28 |
| Issue | 4 |
| Year Published | 1976 |
| Language | English |
| Publisher | Elsevier |
| Description | 8 p. |
| First page | 551 |
| Last page | 558 |