Sentences with phrase «cherty mudstone»

The first hole also generated dark green to black ash - rich mudstone, starting at around 50m depth, just like a few other, earlier holes did in the 2017 program on Dean.

This last hole generated dark green to black ash - rich mudstone at a depth of 53.4 m. Management hasn't seen this before, and assumes that this type of claystone doesn't differ a lot recovery-wise, and just has a different color, but has to sample and test this first of course to be sure.

A step forward that non-specialists neither know nor care about (eg New fossil forces radical rethink in mudstone geology)

Preliminary indications are that the rock contains a more diverse mix of clay minerals than was found in the mission's only previously drilled rocks, the mudstone targets at Yellowknife Bay.

The answer, a historic «yes,» came from two mudstone slabs that the rover sampled with its drill.

They found the urchins indeed excavated their own cozy cavities within a few months, with shallower pits and flatter urchins occurring on granite reefs, and deeper pits with taller urchins on sandstone and mudstone reefs.

In a study published today in PLOS ONE, scientists spent a year observing purple sea urchins (Strongylocentrotus purpuratus, pictured above) growing on sections of sandstone, mudstone, and granite reefs that had been transported into a laboratory setting.

Two of the samples come from drilling at a place called Sheepbed mudstone and the third sample is generally believed to be representative of the global Martian dust.

In samples of fine - grained deposits and drilled mudstone, the Mars rover Curiosity discovered «fixed» nitrogen — a chemical form in which the ultrastrong bond in nitrogen gas, or N2, has broken.

Farley and his colleagues determined the age of the mudstone to be about 3.86 to 4.56 billion years old.

Using the SAM mass spectrometer to measure the abundance of three isotopes that result from cosmic - ray bombardment — helium - 3, neon - 21, and argon - 36 — Farley and his colleagues calculated that the mudstone at Yellowknife Bay has been exposed at the surface for about 80 million years.

Stracher mentions a 100 - foot - high burning «gob pile» (containing pieces of coal mixed with mudstone) near Birmingham, Alabama.

Its robotic arm drilled a 2.5 - inch borehole in mudstone bedrock.

Bordering one surface, Liu noticed, was a small shelf of mudstone that bore a red patina.

The Marcellus Shale formation, an organic - rich mudstone running from West Virginia to New York, was one of the first to be exploited by fracking.

In the lab, the researchers placed single sea urchins on pieces of soft mudstone, hard sandstone and tough granite.

Farther up the mountain's flanks is another stretch of clay - rich mudstone.

But already, Curiosity has had opportunities to use a wet chemistry cup on two different mudstones that preserve organics.

Despite these hurdles, several years ago the team discovered chlorobenzene, a ring - shaped molecule containing six carbons, along with other chlorinated organics, using a sample from a mudstone Curiosity drilled at Yellowknife Bay near its landing site in Gale crater.

The nearly complete skeleton, unearthed from 160 - million - year - old mudstone deposits in northwestern China's Junggar Basin, extends the fossil record of alvarezsauroids back in time by a whopping 63 million years — making it about 15 million years older than the earliest known bird, Archaeopteryx.

The Stimson unit that the researchers discovered covers a mudstone layer that was deposited in a lake - like environment.

The Morrison Formation comprises mudstone, sandstone, siltstone and limestone and is light grey, greenish gray, or red.

The thick mudstone layer known as the Morrison Formation was deposited on top of the Sundance Sea as it disappeared in the late Jurassic.

The sandstone overlies a layer of mudstone.

The sandstone, limestone and mudstone that were deposited in the area about 113 million years ago are part of the shoreline of what was an ancient sea.

The park is located on the Paluxy River and you can also see mudstones, limestones and sandstones that were deposited in that location about 113 million years ago.

Just a few hours north of Adelaide, the 367 - square - mile Flinders Ranges National Park encompasses 3,900 - foot - high peaks, cavernous gorges of craggy mudstone and shale, and wildlife - spotted plains.

Go see the mysterious sailing stones at Racetrack Playa, take in the panoramic vistas at Zabriskie Point and Dante's View, walk on sand dunes, explore the mudstone hills of the Badlands, climb down into a caldera, go on scenic drives, and gaze up at the stars at night.

These are called the Toledo Beds and consist mainly of thin bedded shales and mudstones, with some blue calcareous (calcium derived) sandstones and patches of limestone.

Even today, there are still boulders remaining in the mudstone that will, eventually, fall on to the beach as they come lose due to erosion!

Stroll along the beach beneath mudstone cliffs, where golden sand ensconces dozens of spherical boulders at the tide line, many weighing several tons and stretching 10 feet in diameter.

And here's a nice NASA video describing the instrument package that tests the drilled material extracted from a bit of Martian mudstone:

And I'd have to say that if I have to save my life by winning an argument with oil men in a bar in Midland, Tex., on this topic, I would go in with some lumps of black mudstone from the ancient rock record, I'd go in with the established figures on our present input of carbon dioxide, and I'd say which bit of this observational science do you guys quarrel with, and why?

The fascinating thing that seems to be emerging is, as we look at... the 1,000 - year timescales going back to 183 million years, other past warming events where we get these black mudstones, we find that whatever the starting conditions, amazingly you get the same outcome.

At Cerrejón, tropical rains every spring and summer cut huge erosion channels in the shale and mudstone, sending fossils and bones to a watery grave in the crater far below.

Dr Tom Harvey from the Department of Geology, University of Leicester, together with Professor Nicholas Butterfield, University of Cambridge, discovered the new species while conducting a survey of microfossils in mudstones...

The Changhsingian (latest Permian) Dalong Formation is composed of grayish - black cherty beds and cherty mudstone with deep - water assemblages including the bivalve Hunanopecten sp., ammonoid Pseudotirolites sp. and radiolarian Flustrella sp. 56.

The mountains are made primarily of mudstone, which breaks more easily than other types of rock.