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Sand Ripples on Mars are a type not seen on Earth

Geology Page - July 1, 2016

Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today...

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plate tectonics

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Massachusetts State Geologist Stephen Mabee and colleagues recently annoucned that newly digitized surficial geology maps of the entire state are available online now. They provide details of what Mabee calls the 'kitty litter' mix of glacial tills, various sands and gravels on the earth's surface. Credit: USGS/MassGIS

State geologist, partners create new surface geology maps for Massachusetts

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