Sentences with phrase «ancient lakes in»

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

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

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

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

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!»

This week, the Shedd unveiled Sturgeon Touch, an indoor freshwater pool for fondling the giant, ancient, cartilaginous fish that dwell in the Great Lakes and occasionally make sport fishermen...

[246][248] Tourism Landmarks, National Border, Region and Terrestrial plain of the 4th Republic of Ghana Coastal Plain Accra, Apam, Cape Coast, Elmina, Kakum National Park, Kokrobite, Nzulezo, Sekondi - Takoradi, Ada Foah The Gulf of Guinea coastal plain with the seat of government and capital city, several castles and forts and the best preserved rainforest in Ghana Ashanti - Kwahu Koforidua, Kumasi, Obuasi, Sunyani Forested hills and the ancient Kingdom of Ashanti Volta Basin Tamale massive and world's largest Lake Volta, the river system that feeds it and Ghana eastern border crossing Northern Plains Wa, Bolgatanga, Mole National Park Savanna plains and north Ghana trade route and border crossing

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.

Lake Superior is where it is because of the Midwest's biggest geological feature: the Midcontinent Rift, an ancient and giant 2,000 - mile - long underground crack that starts in Lake Superior and runs south to Oklahoma and to Alabama.

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

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 earthquakIn 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 earthquakin a landslide and then released by a devastating earthquake.

An international team of geologists has a new explanation for how the Midwest's biggest geological feature — an ancient and giant 2,000 - mile - long underground crack that starts in Lake Superior and runs south to Oklahoma and to Alabama — evolved.

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.

A fresh hypothesis suggests that the chaotic terrain in and around Aram Chaos resulted when a buried ice lake trapped in the ancient impact crater suddenly collapsed.

Today the Bodele Depression — the low point of the vast ancient basin in which modern Lake Chad lies — is the most active dust spot in the world.

With the help of a graduate student, Williams will look for a kind of mammoth proxy: sporormiella, a fungus that lives in the dung of large herbivores, and grains of ancient pollen that can reveal what kind of vegetation once grew around the lake.

Meanwhile, one of the craters in the system, Lake Avernus, was referred to as the entrance to Hades in ancient mythology.

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.

When Sengül Aydıngün first started surveying the shores of Küçükçekmece Lake in the western suburbs of Istanbul, colleagues doubted she'd find any evidence of ancient human settlement; other researchers had already surveyed the area and hadn't turned up much.

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.

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

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.

«Madder dye extracted from roots was often used to color textiles and leather in ancient Egypt, and we see from the chemical mapping of the portrait that the artist chose to paint the noblewoman's dress with madder lake pigment, thus imitating contemporary practices.»

«As far as we know, this is the most acidic lake and groundwater system ever found outside of a volcanic area,» she says, adding that there's no evidence of ancient volcanism in the U.S. Midwest.

A series of excavations by Jim Bowler, Alan Thorne, and others in the continental interior revealed that ancient humans had fished and collected freshwater mussels along the shores of the Willandra Lakes 50,000 years ago, possibly earlier.

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.

In ancient times, when the second road was being formed, it was over Col R2 that the putative glacial lake would have overflowed.

During the Last Glacial Maximum when the Earth was much colder, closed - basin lakes in currently dry parts of western North America, the Middle East and South America were much larger than they are now, as evidenced by radiocarbon dating and other testing of their ancient shorelines.

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.

«Ancient trail of Columbian mammoths uncovered in south - central Oregon: University of Oregon - led research team uncovers numerous footprints of adult, juvenile and infant elephants in a remote dry lake basin.»

The team collected samples of methane from settings such as lakes, swamps, natural gas reservoirs, the digestive tracts of cows, and deep ancient groundwater, as well as methane made by microbes in the lab.

The ancient monkey, known scientifically as Victoriapithecus, first made headlines in 1997 when its fossilized skull was discovered on an island in Kenya's Lake Victoria, where it lived 15 million years ago.

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 deptIn 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 deptin the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptin caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table deptin vegetation and subsurface soil deposits associated with water table depth.

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.

The ancient monkey, known as Victoriapithecus, first made headlines in 1997 when its 15 million - year - old skull was discovered on an island in Kenya's Lake Victoria.

The waters, he eventually realized, could have come from catastrophic drainage of Lake Missoula, an ancient, glacier - dammed lake in western MontLake Missoula, an ancient, glacier - dammed lake in western Montlake in western Montana.

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.

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.

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

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.

By measuring the bonds of prehistoric alkenones preserved in ancient layers of lake sediment, the team opened a window on Arctic temperature change since the end of the last Ice Age.

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 CLake Flixton, an ancient lake that has been in - filled with peat helping preserve Great Britain's most important Mesolithic site, Star Clake that has been in - filled with peat helping preserve Great Britain's most important Mesolithic site, Star Carr.

The Opportunity and Spirit rovers have also found evidence for ancient playa lakes and groundwater, although they were more salty and acidic than the lake in Gale crater.

In addition, we analysed sequence data from sixty individuals representing six closely related species from Lake Victoria, and show genome - wide diversifying selection on coding and regulatory variants, some of which were recruited from ancient polymorphisms.

Ancient sediments that once resided on a lake bed and the ocean floor show sulfur isotope ratios unlike those found in other samples from the same time, calling into question accepted ideas about when the Earth's atmosphere began to contain oxygen, according to researchers from the U.S., Canada and Japan.

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.

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.

The comparison suggests that the ancestors of Ancient Beringians and those of other Native Americans descended from a single founding population that first split from East Asians around 36,000 years ago, although gene flow with North Eurasians — possibly centered around Lake Baikal in southern Siberia — continued until about 25,000 years ago.

The intrepid robotic explorer successfully completed its primary scientific objective when it discovered strong evidence early on in its mission that a place called Yellowknife Bay near its landing site, constitutes an ancient dried - out lake bed which was once filled with drinkable liquid water billions of years ago and could have sustained life — if any were present.

In 2013, rover found evidence that Gale Crater once had an ancient freshwater - lake environment that possessed the basic chemical ingredients to support microbial life.