sandstones

Scientists have documented rich fossils in sandstones and shale now buried two miles beneath the canola fields of the grasslands.

Dr. Reese Halter: Protecting Our Wild Prairies Dr. Reese Halter 2010

The entire bulk of the sedimentary rocks, such as sandstones, slates, shales, conglomerates, limestones, etc., and the salt content of the ocean, are due to the combined activity of mechanical and solvent denudation.

The Birth-Time of the World and Other Scientific Essays John Joly 1895

Everybody hurts to scratch our songs like sandstones.

Last Night On Oil Street Nicolette Wong 2012

It makes you want to step back in time and meet the genius who was sketching this structure out in his or her sketchbook prior to ordering people to ship these huge sandstones via boat from north down the Siem Reap River to be constructed and artistically carved into and perfectly placed at their very exact locations.

TO THE REMARKABLE TEMPLES – April 6 Will 2009

This sort of view is pretty rare on Earth -- usually buried dunes become sandstones and never again look like dunes.

SETI Institute: Life at the SETI Institute: Lori Fenton -- Sand Seas of the Solar System SETI Institute 2011

“Feminian Sandstones”, what Permian sandstones were called in Victorian times, are a building material used to construct medieval churches and, earlier, pagan temples.

Yes Nancy, apparently we did have to pass the bill to learn what’s in it 2010

Over the last decade, the decline in U.S. conventional natural gas production has been offset by turning to more unconventional sources, such as coalbed methane, tight sandstones, and gas shales.

Earth Policy Institute: Run Cars on Green Electricity, Not Natural Gas 2008

Now we have what a geologist calls "redbeds" -- sandstones stained red by a little Fe+++ oxide, like all that spectacular scenery you see in _Arizona Highways_.

Who Do You Say I Am 2010

By comparison, rocks such as fractured sandstones and cavernous limestone have large connected openings that permit water to move more freely; such rocks transmit larger quantities of water and are good aquifers.

Groundwater 2010

These deep offshore wells typically produce from sandstones that can wash out easily.

Robert L. Cavnar: BP Relief Well Inching Closer 2010