An outcrop of conglomerate rock on the floor of Gale Crater made ... (Credit: NASA) "This rock is made up of rounded gravels in a matrix that's very sand rich," Rebecca Williams of the Planetary ...

"These conglomerates look amazingly like streambed deposits on Earth," Williams said. "Most people are familiar with rounded river pebbles. Maybe you've picked up a smoothed, round rock to skip ...

Scientists are studying the images of stones cemented into a layer of conglomerate rock. The sizes and shapes ... sitting uphill of the new finds. The rounded shape of some stones in the ...

Photos from the Curiosity rover have revealed several different rocky outcrops that contain stones cemented into a layer of conglomerate rock. Some of these stones are rounded and large ...

David R. Montgomery does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

The smooth, rounded shape of the pebbles occurs ... instrument to investigate the material. “Sedimentary conglomerates are a common rock type here on Earth, and now we have found them on Mars.

The rock is known as a conglomerate since it contains large rounded quartz pebbles. Known as the Hellam Conglomerate, the rock is a member of the Chickies Formation dating back to the earliest ...

Scientists are studying the images of stones cemented into a layer of conglomerate rock. The sizes and shapes ... sitting uphill of the new finds. The rounded shape of some stones in the ...