Sentences with phrase «ancient lake algonquin»

In this case the former Lake Warren, (ancient Lake Erie) and its relative surface level.

They call it a 50 km ride, but it is really a 25 km slog uphill as we ride up from the lake past the shores of ancient Lake Algonquin (the waters edge after the ice age) and stop for a break at the high point;

Case in point: Recently a cache of well - preserved fossils was found in ancient lake deposits in northeastern China and eastern Kazakhstan.

«God's Bathtub:» Ancient Lake In Australia Found To Be Unaffected By Climate Change (PHOTO) Where the world's greenhouse gases come from.

A recent study of ancient lake - bottom sediments found layers of charcoal next to layers of shrub pollen, suggesting a close link between shrubs and wildfire.

An ancient lake whose shores vacillated between lush forests and dry savannahs shows how the changing climate may have shaped humanity's dawn in eastern Africa, according to new research.

Remnants of an ancient lake, the pans are interspersed with sandy desert and occasional vegetation.

One of them is the floor of an ancient lake; another is a hot spring; and the third one is a site where hot water interacted with rocks in the shallow subsurface.

Deep below the Antarctic ice, an ancient lake is teeming with life - forms that eat rock.

Ancient lake could have held life, rover team says The scientists behind the Curiosity rover mission on Mars have fleshed out their findings about an ancient lake that they now say apparently had everything needed to sustain microbes that can live off minerals.

Recently, scientists concluded from evidence in Mars's ancient lake on Gale crater that the planet once harbored a very Earth - like environment for about 700,000 years sometime between 3.1 and 3.8 billion years ago.

Data from the flyby showed evidence of an ancient lake, now extinct, on the surface of the body.

An object found near an ancient lake in - filled with peat during the Mesolithic Period could be the world's oldest crayon.

The crayon was found near Lake Flixton, an ancient lake that has been in - filled with peat helping preserve Great Britain's most important Mesolithic site, Star Carr.

One of the landing sites, Jezero crater, contains a paleo - delta, where proponents believe organic matter (if ever present on Mars) could have been concentrated out on the toe (low energy) part of the delta, which emptied into an ancient lake.

The team analysed over 50,000 pieces of wood and nearly 36,000 pieces of flint from what was once probably a Homo erectus settlement on the shores of an ancient lake.

These oil shales formed at the bottom of ancient Lake Messel and preserve the remains of mammals, birds, and other animals that were living near what is now Darmstadt, Germany about 47 million years ago (the Eocene epoch).

There's also evidence for ancient lake systems, like those at Gale Crater where NASA's Curiosity rover is currently exploring and at Jezero Crater where the next rover may land.

NASA has selected three potential landing sites for the upcoming Mars 2020 rover: an ancient lake, a past volcanic hotbed and an early hot - spring site.

In a new study in Scientific Reports, University of Pennsylvania researchers use an innovative technique to date one of Antarctica's ancient lake deposits.

Antarctica's Friis Hills in the central Dry Valleys of the eastern portion of the continent contains ancient lake deposits indicating that the area has remained frozen for 14 to 17.5 million years.

Since desiccation mudcracks form only where wet sediment is exposed to air, their position closer to the center of the ancient lake bed rather than the edge also suggests that lake levels rose and fell dramatically over time.

They uncovered the roughly 2 - centimeter - tall fossils from an ancient lake in what is now Patagonia.

Joyce and his colleagues suggest instead that while surface waters of the ancient lake were oxygenated, deeper layers were oxygen - poor and possibly saturated with carbon dioxide or other toxic substances.

In this case, the researchers combined records of ancient lake levels, location and extent of glaciation, variations in the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table depth.

The fossil was recovered from sedimentary rock strata that were deposited in an ancient lake roughly 55 million years ago, during the early part of the Eocene epoch.

They stalked deer as the animals drank from an ancient lake and gathered hackberries and nuts from chestnut and walnut trees lining nearby rivers.

The list of places where NASA's next Mars rover, due to launch in 2020, could land has been narrowed down to three: Jezero crater, the dry remains of an ancient lake; Northeast Syrtis, which used to host hot springs; and the Columbia Hills, previously explored by NASA's Spirit rover.

Her analysis assumes the preserved droplets are identical to the ancient lake water.

To arrive at those conclusions, the researchers used sediment cores from Lake Towuti, an ancient lake on the island of Sulawesi in central Indonesia.

Like all modern paleontologists, Therrien was acquainted with the spectacular feathered - dinosaur fossils of the Liaoning beds in China, where the idea that dinosaurs are the ancestors of birds got its biggest boost, thanks to the preservation of feathers — both the thread - like ones known as «dinofuzz» and the more familiar shafted kind — in the silky mud of an ancient lake bottom.

Although scientists can learn about past climate by examining ancient lake sediments, in the Sahara the lakes dried up long ago and their sediments have blown away.

That the fossil was found in what was once an ancient lake bed suggests that this particular rodent may have made an unfortunate mistake — it may accidentally have landed on the lake and drowned.

COVER Clouds pass over Kenya's Lake Magadi, where geologists are drilling a core to gather detailed climate data from the ancient lake bed.

Curiosity has spent the last five years exploring an ancient lake bed.

In central China's Jishi Gorge, gray sediment layers — now well above the Yellow River — indicate an ancient lake created in a landslide and then released by a devastating earthquake.

Ancient lake sediments in China record epic temperature swings, biotic turnover before the mass extinction.

The elevated silica in halos was found over approximately 20 to 30 meters in elevation near a rock - layer of ancient lake sediments that had a high silica content.

Lying 150 kilometres north of Chad's capital, N'djamena, Lake Chad is one of Africa's great and ancient lakes, sustaining rural communities on the edge of the Sahara for millennia.

Scientists had assumed that a series of ancient lakes once scattered from Kansas to North Dakota were largely alkaline, because of the large quantities of salt found in the area's sandy reddish rocks that were formed when the lake evaporated about 270 million years ago.

Ancient lakes across a huge portion of the western United States may have been so acidic their waters would have dissolved a person's skin.

Curiosity is climbing a layered Martian mountain and finding chemical evidence of how ancient lakes and wet underground environments changed, billions of years ago, in ways that affected their potential favorability for microbial life.

Ancient lakes formed between 2.7 million and 2.5 million years ago, between 1.9 million and 1.7 million years ago, and finally between 1.1 million and 900,000 years ago, the scientists report in an upcoming Science.

Curiosity reached the base of Mount Sharp in 2014 and has examined 600 vertical feet of rock which contains evidence of the ancient lakes as well as groundwater.

Pink flamingos wade through blood - red lagoons on a seemingly endless plateau of snow - covered volcanoes, vast salt deposits and leftovers from ancient lakes that dried long before the first human ever stepped foot on the continent.

«Ancient Lakes and Sacred Mountain,» new paintings by Cynthia Krieble.

«We could see where ancient lakes had been eroded by the river, so we could see the lakes in cross section,» she says.

She and colleagues studied more than 50 ancient lakes in parts of Siberia and Alaska.

The results also show these ancient lakes actually have a net cooling effect on climate over thousands of years.

Not exact matches

No golden plates, no chariots and steel and horses in ancient America, and the Temple in Salt Lake City is the center of the grift universe!»