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Insights into surface runoff on early Mars from paleolake basin morphology and stratigraphy

Mustard, John F.; Goudge, Timothy A.; Head, James W. +2 more

Preserved glass-rich impactites on Mars

Mustard, J. F.; Cannon, K. M.

Retreat of a giant cataract in a long-lived (3.7-2.6 Ga) martian outflow channel

Warner, N. H.; Gupta, S.; Muller, J. -P. +2 more

Unique chronostratigraphic marker in depositional fan stratigraphy on Mars: Evidence for ca. 1.25 Ma gully activity and surficial meltwater origin

Head, J. W.; Fassett, C. I.; Schon, S. C.

Salt tectonics and collapse of Hebes Chasma, Valles Marineris, Mars

Combe, J. -P.; Adams, J. B.; Gillespie, A. R. +4 more

Late Amazonian glaciation at the dichotomy boundary on Mars: Evidence for glacial thickness maxima and multiple glacial phases

Head, James W.; Marchant, David R.; Dickson, James L.

Lineated valley fill (LVF) in fretted valleys at the dichotomyboundary has been interpreted as glacial in origin. Unknownare (1) the original thickness of the glacier ice, (2) the amountof ice-surface lowering, through sublimation and retreat, toits presently observed level, and (3) whether there were multipleperiods of glaciation. We address thes…

The Huygens-Hellas giant dike system on Mars: Implications for Late Noachian Early Hesperian volcanic resurfacing and climatic evolution

Head, J. W.; Neukum, G.; Wilson, L. +1 more

Two narrow, broadly arcuate, low ridges extend for 600 700 km in western Terra Tyrrhena, Mars, crosscut ancient Noachian terrain, and are associated with Early Hesperian plains, which cover ∼30% of Mars. Geological relationships suggest that the ridges represent near-surface erosional remnants of subsurface dikes, solidified magma-filled cracks th…