Sentences with phrase «ancient deposits of»

The idea is to supply fuel by recycling the carbon already in the air in CO2 molecules instead of adding more to the atmosphere (and greenhouse effect) by digging up or pumping more ancient deposits of coal and oil.

According to research published in the journal Quaternary Science Reviews, the chance find of a humanly - worked quartzite flake, in ancient deposits of the river Gediz, in western Turkey, provides a major new insight into when and how early humans dispersed out of Africa and Asia.

Not exact matches

According to the documentary film «Saving Mes Aynak,» the mine would in effect destroy the ancient city, though MCC and the Afghan government claim that they will «move» the city in order to extract the more than $ 100 billion of copper deposited directly beneath it.

Also, up - right trees from ancient deposit (entire forrests, actually) which span several of these Million year strata.

«The protection of wealth by burying it in the ground was a sort of ancient equivalent for the modern safety deposit box.»

Himalayan Pink salt is a pure, hand - mined salt that is derived from ancient sea salt deposits, and it is believed to be the purest form of salt available.

The Avery Island salt dome is one of five along the Louisiana Gulf Coast, formed when an ancient sea bed evaporated, depositing pure salt which erupted in large chunks and pushed the ground into a hill.

Ancient riverbed deposits of mud rock — rocks containing bits of clay and silt smaller than grains of sand — began increasing around 458 million years ago, around the time that rootless plants became common across Earth, researchers say.

Researchers analyzed the levels of various trace elements in hundreds of samples of carbon - rich shales that had been deposited in oxygen - poor regions of the ocean surrounding ancient continents during the past 3.5 billion years.

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 ancient Greeks thought the pyramids were made from the fossilized lentils of slaves, but it's just the limestone from one of these deposits that is absolutely filled with them.»

Cannon and co-author Jack Mustard, professor of Earth, environmental and planetary sciences at Brown, showed that large glass deposits are present in several ancient yet well - preserved craters scattered across the Martian surface.

Knowing that impact glass can preserve ancient signs of life — and now knowing that such deposits exist on the Martian surface today — opens a potential new strategy in the search for ancient Martian life, the researchers say.

In excavating for the works, a large number of animal remains, ancient coins, and other curious objects were found, most of which have been deposited in the British Museum.»

Walter mapped likely methane deposits across the region; quantified how much methane, formed when permafrost melts, is bubbling out of current lakes; and compared that with the amount emitted from methane - laden sediments taken from ancient frozen lakes.

Among the best places to find Martian microfossils would likely be at the sites of mineralizing springs, ancient evaporite deposits, and soil hardpans.

Similarly, the ancient coast left lots of oil deposits, salt domes and the like.

The researchers studied exceptionally well - preserved deposits which are approximately 3.5 billion years old in the ancient Dresser Formation in the Pilbara Craton of Western Australia.

Within the Pilbara hotspring deposits, the researchers also discovered stromatolites — layered rock structures created by communities of ancient microbes.

«Our research also has major implications for the search for life on Mars, because the red planet has ancient hot spring deposits of a similar age to the Dresser Formation in the Pilbara.

But comparing the mix of different forms of lead, or isotopes, in the ax with that in copper ore from present - day deposits across much of Europe indicated that the ancient man's blade came from Southern Tuscany.

The majority of this wastewater is ancient ocean brine that was trapped in rock layers along with gas and oil deposits.

Among these are the phosphate deposits of Morocco — remains of an ancient seabed, laid down 66 million years ago.

Blueberry Spherules - «Blueberries,» ancient mineral deposits about an eighth of an inch wide, dot many areas.

The team of researchers initially set out to uncover the origins of alluvium pebbles found in this area of the Sea of Galilee, which they believe were deposited by the ancient Yavniel Creek, a precursor to the Jordan River south of the Sea of Galilee.

However, some vestiges of ancient organisms might be preserved in mineral deposits that trapped organic material as they precipitated out of evaporating water.

Samples of ancient carbon deposits from this era show a marked increase in concentrations of carbon - 12 relative to its heavier isotope carbon - 13, indicating a lot of lighter carbon might have been suddenly released at the time.

«The Gondwanides not only influenced how and where rivers flowed (depositing sediment), it also had a significant effect on the climate, and thus the ancient fauna of the Karoo Basin,» says Viglietti.

To help solve this conundrum, a team led by Richard Aronson of the Dauphin Island Sea Lab in Alabama decided to sample ancient staghorn coral rubble that was deposited over the past centuries.

The greatest deposits known lie around the Baltic Sea and in the Dominican Republic, and scientists formerly assumed that they were the result of some sort of disaster in an ancient forest.

Unfortunately, gravel laid down in torrential flows is about the worst sort of deposit to search for traces of ancient life.

One «must» for all four ExoMars sites was clay: fine - grained sediment that, on Earth, is deposited by water and is excellent at preserving the remains of ancient organisms.

The shale, named for the town of Eagle Ford, TX, is a geologic remnant of the ancient ocean that covered present day Texas millions of years ago, when the remains of sea life (especially ancient plankton) died and deposited onto the seafloor, were buried by several hundred feet of sediment, eventually turning into the rich source of hydrocarbons we have today.The shale was first tapped in 2008 and now has around 20 active fields good producing over 900 million cubic feet per day of natural gas.

Clay deposits and landforms suggest this ancient region once hosted lakes, rivers, and a delta, making it just the sort of place to dig for signs of possible martian life.

Scientists discovered the fossils in ancient peat deposits at the Tevshiin Govi mine in the steppes of central Mongolia.

«Because clay minerals make up the bulk of sediment deposited today, we are saying that it should be largely absent in ancient rocks.»

At roughly the same time (and for eons thereafter), oxidized iron began to appear in ancient soils and bands of iron were deposited on the seafloor, a product of reactions with oxygen in the seawater.

The diamonds were then brought to the surface in volatile eruptions, which pierced the hide of the ancient African continent and eventually deposited the diamonds on the surface.

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.

«The formation of gold deposits in South Africa: Research team discovers new ore - forming process in ancient marine sedimentary basin.»

The microbes metabolize iron and grow at rates high enough to indicate their ancient equivalents were capable of depositing some of the world's largest sedimentary iron ore deposits, known as banded iron formations.

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.

Microbes in Kabuno Bay metabolize iron and grow at rates high enough to indicate their ancient equivalents deposited some of the world's largest sedimentary iron ore deposits.

This research not only provides the first clear evidence that microorganisms were directly involved in the deposition of Earth's oldest iron formations; it also indicates that large populations of oxygen - producing cyanobacteria were at work in the shallow areas of the ancient oceans, while deeper water still reached by the light (the photic zone) tended to be populated by anoxyenic or micro-aerophilic iron - oxidizing bacteria which formed the iron deposits.

It uncovered «very serious» erosion in parts of the ancient city that, Fletcher believes, accounts for the deep sand deposits documented in the team's excavations.

From there they could control a fleet of robotic explorers and investigate the composition of ancient ice deposits in the forever - dark craters of the Aitken basin.

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 deposits.

«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.

The discovery of evidence for ancient sea - floor hydrothermal deposits on Mars identifies an area on the planet that may offer clues about the origin of life on Earth.