Sedimentary textures formed by aqueous processes, Erebus crater Meridiani Planum, Mars
Geology
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Abstract
New observations at Erebus crater (Olympia outcrop) by the Mars Exploration Rover Opportunity between sols 671 and 735 (a sol is a martian day) indicate that a diverse suite of primary and penecontemporaneous sedimentary structures is preserved in sulfate-rich bedrock. Centimeter-scale trough (festoon) cross-lamination is abundant, and is better expressed and thicker than previously described examples. Postdepositional shrinkage cracks in the same outcrop are interpreted to have formed in response to desiccation. Considered collectively, this suite of sedimentary structures provides strong support for the involvement of liquid water during accumulation of sedimentary rocks at Meridiani Planum.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sedimentary textures formed by aqueous processes, Erebus crater Meridiani Planum, Mars |
| Series title | Geology |
| DOI | 10.1130/G22985A.1 |
| Volume | 34 |
| Issue | 12 |
| Year Published | 2006 |
| Language | English |
| Publisher | The Geological Society of America |
| Contributing office(s) | Astrogeology Science Center |
| Description | 4 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geology |
| First page | 1085 |
| Last page | 1088 |
| Other Geospatial | Erebus crater; Mars; Meridiani Planum |
| Google Analytic Metrics | Metrics page |