Sentences with phrase «ancient river»

However, the authors were conscious that many ancient rivers were not being found.

«Some of the observed features included ancient river beds, craters, massive extinct volcanoes, canyons, layered polar deposits, evidence of wind - driven deposition and erosion of sediments, weather fronts, ice clouds, localized dust storms, morning fogs and more,» NASA wrote in a summary of the mission.

«Fossil specimen reveals a new species of ancient river dolphin.»

Three ancient river systems, now buried, may have created viable routes for human migration across the Sahara to the Mediterranean region about 100,000 years ago, according to research published September 11 in the open access journal PLOS ONE by Tom Coulthard from the University of Hull, UK, and colleagues from other institutions.

Many huge ancient river channels begin from the chaotic terrain and north - central canyons and run north.

WATERY PAST Sandstone deposits laid down by ancient rivers on Mars, seen in this image from the Curiosity rover, indicate that Gale Crater was once a shallow lake.

So geologists William McMahon and Neil Davies, both of the University of Cambridge, decided to look for when amounts of mud rock began increasing in 704 ancient river deposits from 3.5 billion to 300 million years ago.

The researchers searched through nearly 1,200 published papers for data on mud rock in river deposits, and collected new field data at 125 ancient river outcrops.

In October 2015, the mission decided on the destination for the rover: Oxia Planum, a region with sinuous valleys and fan - shaped deposits that indicate ancient river channels and deltas.

Drumheller is located in the heart of what's known as Alberta's Dinosaur Valley, and it got that name for a reason: ancient rivers once coursed through the landscape, their sandy bottoms preserving the bodies of hundreds of the area's ancient inhabitants.

Ancient river gravels embedded in travertine high on the canyon walls can be dated to reveal «the time when the river was at that old elevation.»

Pictures in February 1998 showed a possible ancient river channel.

We will swim up through the cavern to the upper most lip and then circumnavigate the entire blue hole, seeing ancient river beds and waterfalls that were created during a previous ice age.

In a project about ancient rivers, he must have loved that Ford's most famous plant, painted in 1932 by Charles Sheeler, was Rouge River.

Using open data from NASA, OS plotted contour lines for the area in 250 meter intervals, giving a clear look at the many ancient river beds and crater marks that cover the planet's surface.

It should also be able to measure interesting local geology such as sand dunes, lava flows, sediment left by ancient rivers, and underground reservoirs of water.

Three giants tower over their children; Tumbling rocks on an ancient river bed; Bright green moss connecting root and boulder; Branches reaching out in every direction to drink each drop of light; A spreading canopy over a pristine patch of forest.

As I drove home, the blanket still around my shoulders, I took the back way alongside of that ancient river.

Three giants tower over their children; Tumbling rocks over an ancient river bed; Bright green moss connecting root and boulder; Branches reaching out in every direction to drink each drop of light; A spreading canopy over a pristine patch of forest, this is God's face.

The site is an ancient river bed, where sandy soils and natural Artesian wells create a perfect growing environment.

Jezero crater features an ancient river delta and a lake that could have been a prime location for life on early Mars.

The Curiosity rover team announced yesterday that they'd found the mission's first potentially habitable environment on Mars: an ancient river bed.

Researchers from Royal Holloway, University of London, together with an international team from the UK, Turkey and the Netherlands, used high - precision equipment to date the deposits of the ancient river meander, giving the first accurate timeframe for when humans occupied the area.

Farther into the waves lies a spot where hundreds of bones settled, perhaps because a sandbar slowed the ancient river's current.

Up to five people left the series of footprints in mud on the bank of an ancient river estuary over 800,000 years ago at Happisburgh in northeast Norfolk.

Glorious shots illustrate the tributaries of an ancient river system and show how fields of water ice even now stretch out from the Martian south pole.

Among the promising sites is an ancient river delta that could have preserved organic molecules and hot springs that could have nourished life billions of years ago.

Using a satellite - born sensor system that can penetrate through several feet of dry surface sediments, researchers found the dry remains of an ancient river system winding for hundreds of miles below the Saharan sands

The first humans to leave Africa didn't have to struggle over baking sand dunes to find a way out — instead they might have followed a now - buried network of ancient rivers, researchers say.

Some lakes are home to hundreds of distinct species that evolved from a common ancestral species that left its ancient river habitat to colonise the lake.

Since this area is essentially an ancient river valley, the short, stubby vines were growing out of a sea of galets roulés, or round rocks, that had once been at the bottom of the river and were now covering the thick clay soil where the roots dig deep in search of water.

Changing times, however, have brought new threats to an ancient river and necessitate heightened awareness at the very least.

Fringed by ancient River...

Almost 200 thousand years ago, lava poured out of the Undara volcano and flowed down ancient river beds, travelling a distance of 164 km and left behind the Undara Lava Tubes.

A beautiful video by photographer Pete McBride shows how this epic and ancient river is now the most endangered in the country.

At that time, because of different topography, the ancient river that carved the Grand Canyon would've flowed in the opposite direction as does the Colorado today.