DEPOE BAY A chunk of rock found in a cliff near Depoe Bay is not a fossil of a turtle, but it might have something interesting inside. Scientists and fossil experts concluded the rock is a concretion ...

The ravine at Shale Hollow Preserve is a gray, red, orange and brown stack of shale that resembles a pile of papers. The wall, which borders Big Run Creek, mostly is uniform — row after row of flaky ...

Last summer, Indiana business executive Tom Ollier was looking for places to pan for gold during his annual vacation to his log house in Divide. While driving near Fairplay, he came upon a road cut ...

Nagoya, Japan - All over the world, spectacular fossils have frequently been found preserved inside solid, roughly spherical rocks called "concretions." From geologists to casual observers, many have ...

In a new study, a team of researchers used research on fossilizing techniques to create a new method for sealing cracks and fractures in rocks and bedrock using a 'concretion-forming resin'. This ...

This very heavy, non-magnetic boulder, above, was unearthed from swampy land near limestone caves in northern New Zealand. What is it? • It is most likely to be a concretion – a hard, solid mass of ...

predicted such stones would be found on the Red Planet. In a study published in the June 17 issue of the journal Nature, the Utah researchers suggest both the Martian and Utah rocks — known as ...

DENVER — Concretions form when metals submerged in ocean water undergo electrolytic reactions. The metals begin to disintegrate, combining with salts in the water to create a conglomerate that cements ...

Indian paint pot concretions, one whole and two irregular fragments (Clay Wollney) Indeed they can be found here, especially along the beaches of the South Shore. Though I wouldn't say that they are ...

Various forms of underground activity, such as deep wells or the disposal of hazardous materials, require the long-term sealing of rocks. A team of researchers has developed an innovative method based ...