Sentences with phrase «in ancient soils»

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.

Not exact matches

They discovered several artifacts from what appears to be an ancient village, including carved wooden tools and bits of charcoal, in a thin horizontal layer of soil, called paleosol.

The ancient city of Smyrna, located on the site of today's Izmir in Turkey, the gateway to Asia and stepping - stone to Europe, is sacred soil because of what happened there one Sunday, around 2:00 in the afternoon, in February of the year 155.

Up and down its narrow valleys and across its great plain went the pomp and panoply of the ancient world, and its more commonplace traffic as well: rich argosies from far Babylon, carrying the wares down to Egypt; royal messengers of the great kings who ruled in Persepolis, bearing decrees for the officer in charge at the frontier station of Assouan; plenipotentiaries of Hatti and of Egypt, seeking a modus vivendi in the political stresses of the thirteenth century; conquerors with their chariots and footmen and their tale of atrocities behind and yet before; wandering bands of foot - loose adventurers, seeking a good land where they might strike roots into the soil - all these and hosts of others were led among the Palestinian hills where went the great trunk roads of the ancient world, camped in the plains, bartered in the little cities, or stayed to lay permanent claim to some hit of the land.

Ancient churches, through centuries of intimate relations with the cultures and aspirations of their people, have proved the powerful witnessing character of this rooting of the churches in the national soil.

Even though is not enough peer - reviewed science to verify these claims, we at Farmer Direct believe that not only is it important to restore ancient grains to people's diets, but that we have a responsibility to grow them using responsible farming practices in high - quality soil.

Note how the ancient top soil has been baked to orange terracotta in response to the intense heat.

With this compelling demonstration of using ancient soil samples as proxies for regional climate in Asia, Caves now plans to extend his investigations elsewhere on the globe.

The researchers were studying ancient soil composition in an exposed Siberian riverbank in 1995 when they discovered the first of 70 fossilized Ice Age squirrel burrows, some of which stored up to 800,000 seeds and fruits.

The frozen soils are already recognised as the best environment on Earth for preserving the ancient DNA in which epigenetic signals might be found.

Caves in Europe and Russia housed the soil that researchers used to find genetic traces to our ancient ancestors.

Each balmy summer brings a swarm of volunteers, many wearing identical yellow T - shirts, who strip away soil and vegetation from the hillside while throngs of tourists hover at the edges, eager for a glimpse of what is said to lie beneath the dirt: the world's oldest and largest pyramids, more vast and ancient than those in Egypt, built by a mysterious and highly advanced civilization that has been long forgotten — until now.

A spacecraft has uncovered in lunar soil some traces of Earth's ancient atmosphere that were key to the development of complex life

Researchers recently determined that the «burned» darkened wood and reddened sediments found at a site in northern Germany, now a coal mine called Schöningen, were really colored by water exposure and soil decomposition, not ancient flames.

He hopes to test samples of martian soil for ancient ribosomal RNA gene sequences that are conserved in all of Earth's known life forms.

Various salt compounds found deep in the soil of New Mexico's desert may be the key to understanding how crops were cultivated in ancient Chaco Canyon — despite the backdrop of what seems an otherwise arid and desolate landscape, according to a University of Cincinnati study.

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.

For example, at an ancestral Pueblo settlement in Blue J, N.M, the researchers were able to map detailed architectural plans of a dozen ancient house compounds — a discovery enabled by the site's optimal conditions, the soil matrix, low density ground cover, and the environmental conditions at the time of the aerial thermography.

As the D14L protein is also involved in plants developmental responses to light Paszkowski talks of a «gut feeling» that — with this ancient protein responding to light, atmosphere (through smoke detection) and soil environment (through fungal symbiosis)-- it could have been a developmental crossroads vital to plants» evolutionary leap out of the oceans.

When Spirit analyzed a patch of Martian soil that was very rich in silica, it provided some of the strongest evidence yet that ancient Mars was much wetter than it is now.

The soil - like composition may indicate that these rocks were formed from ancient dunes rather than in water.

Carbon - based redox molecules from ancient fossilized soil help restore the communication network between bacteria in the gut, mitochondria, and cells in the body.

The geography of the Hudson Valley is immensely rich: The terrain features sandstone, red beds, granite cliffs, dense forests and charming lakes, as well as highly fertile soil for farming, such as in the Black Dirt Region created from an ancient glacial lake, and a rich biodiversity of flora and fauna.

Known as the Garden Island, Kauai's greenery has taken root in the rich, ancient ash - laden soils of the landscape.

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Scientists have been warning for years that melting permafrost might release ancient pathogens, frozen for millennia or longer in northern soils.

Now scientists have pinpointed a new reason to be concerned about ancient soils coming out of the freezer for the first time in millennia: mercury.

By Barry Brown Canadian researchers studying the ArcticÂ's ancient permafrost have discovered 700,000 - year - old ice wedges buried in the soil that have survived earlier periods of global warming, adding complexity to predictions about the impact of contemporary climate change.

«However, ancient fossil soils — the best indicators of ancient carbon dioxide levels in the atmosphere — suggest only modest levels during the Archean.»

In 1992, a team from the University of New Mexico reported that ancient soils showed extremely high levels of carbon dioxide 440 million years ago, an age of primitive sea life before the advent of land plants and animals.

The coastal islands off the west of Ireland are known for ancient soil - building, where beach sand and seaweed were transported — sometimes miles — to allow agriculture in barren rocky zones.

Turkish garden historian Gürsan Ergil told me recently that you can still see people covering their roofs with soil and growing vegetables in rural Anatolia — and evidence at ancient sites that this practice was common in the past as well.

Geophysics and soil science, carbon dating, knowledge of cultural artefacts, stories and other evidence provided from ancient documents and carvings, pollen analysis, human DNA from local populations, etc. — each had evolved in independently of one - another, but would now be combined to deepen any 21st century archaeology's approach to understanding the pot.