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Geophysics and Tectonics Seminar fall-2016

Large wind ripples on Mars: A record of atmospheric evolution

Oct. 7, 2016, noon - 12:50 p.m.
Geology 3814

Presented By:
Mathieu Lapotre
Caltech

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Large wind ripples on Mars are unlike any wind-blown sedimentary structures found in Earth’s sandy deserts. We propose that they form from the effect of wind drag on sand particles, such that preserved ripple stratification may shed light onto the early evolution of the martian atmosphere.