Ancient volcanism and its implication for thermal evolution of Mars

Long Xiao, Jun Huang, Philip Christensen, Ronald Greeley, David Williams, Jiannan Zhao, Qi He

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Volcanism plays an important role in the formation and thermal evolution of the crusts of all terrestrial planets. Martian volcanoes have been extensively studied, and it has been suggested that the volcanism on Mars that created the visible volcanic features was initiated in the Noachian (> 3.8. Ga) and continued to the Late Amazonian (< 0.1. Ga). However, styles of ancient volcanism, their links with the earliest volcanic constructions, and the thermal evolution of the planet are still not well understood. Here we show that numerous Early Noachian (> 4.0. Ga) volcanoes are preserved in the heavily cratered southern highlands. Most of these are central volcanoes with diameters ranging from 50 to 100. km and heights of 2-3. km. Most of them are spatially adjacent to and temporally continuous with the Tharsis and circum-Hellas volcanic provinces, suggesting that these two volcanic provinces have experienced more extensive and longer duration volcanism than previously thought. These edifices are heavily cut by radial channels, suggesting that an early phase of aqueous erosion occurred and ended prior to the emplacement of the encircling Hesperian lava fields.

Original languageEnglish (US)
Pages (from-to)9-18
Number of pages10
JournalEarth and Planetary Science Letters
Volume323-324
DOIs
StatePublished - Mar 15 2012

Fingerprint

Volcanoes
thermal evolution
volcanoes
mars
Mars
volcanology
volcanism
volcano
volcanic feature
highlands
terrestrial planets
Planets
lava
erosion
Erosion
crusts
emplacement
planet
crust
Hot Temperature

Keywords

  • Ancient volcanoes
  • Mars
  • Thermal evolution
  • Volcanism

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Ancient volcanism and its implication for thermal evolution of Mars. / Xiao, Long; Huang, Jun; Christensen, Philip; Greeley, Ronald; Williams, David; Zhao, Jiannan; He, Qi.

In: Earth and Planetary Science Letters, Vol. 323-324, 15.03.2012, p. 9-18.

Research output: Contribution to journalArticle

Xiao, Long ; Huang, Jun ; Christensen, Philip ; Greeley, Ronald ; Williams, David ; Zhao, Jiannan ; He, Qi. / Ancient volcanism and its implication for thermal evolution of Mars. In: Earth and Planetary Science Letters. 2012 ; Vol. 323-324. pp. 9-18.
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