The first thing to understand about subsurface water movement is that it doesn’t always head straight down to the center of ...

Bubbles rise and pop as underground pressure forces water and fine silt up through channels in the gravel deep beneath ... mudboils spew 20 tons of silt and sand into the creek and all the way ...

What do glaciers and the Sahara Desert have in common? Both are sources of silt-size particles that interact with wind, sand, and vegetation to form loess deposits. Deflation, the lifting and ...

AMMAN - A Polish archaeological team from the Jagiellonian University of Krakow studied sites in southern Jordan, one of them ...