Sandy McGillivray, an archaeologist studying the Minoan ruins of Palaikastro on the eastern shore of Crete, had never seen anything like it. While strolling along the beach, McGillivray noticed bits ...

Big Four Mountain's mystery: 82-degree tilted rock layers defy geology's horizontal rule. There’s a basic rule in geology: Sedimentary rock layers build up horizontally. So how did the slabs of Big ...

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years. Mountains have been built and eroded, continents and oceans have moved ...

Rock layers preserve record of ancient sea tides near Blythe, California Researchers say sedimentary rocks along the rim of the Colorado River valley have regular tidal influences and point to uplift ...

ISLA: Look at the shape of this rock, Connor! CONNOR: Good find! That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment - that's ...

Stylolites — irregular seams that occur in limestone — have been found to affect how acoustic waves move through rock samples. Laboratory-based insights from KAUST researchers offer an improved ...

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name ...