Sentences with phrase «of geological time»

Since then she has focused her work to include a linear narrative, almost like a creation story, over a period of geological time.

This soil, typically 6 inches or so deep, was formed over long stretches of geological time as new soil formation exceeded the natural rate of erosion.

Looking back over the immense extent of geological time we can see that the separate links in the chain have undergone no essential change.

Speechless takes its cue from current discourse on the Anthropocene, described by writer Robert Macfarlane as «the new epoch of geological time in which human activity is considered such a powerful influence on the environment, climate and ecology of the planet that it will leave a long - term signature in the strata record.»

Indeed, a recent review on the topic, the 2005 Millennium Ecosystem Assessment report (an environmental report of similar scale to the Intergovernmental Panel on Climate Change Assessment Reports), drew some bleak conclusions — 60 % of the world's ecosystems are now degraded and the extinction rate is now 100 to 1000 times higher than the «background» rate of long spans of geological time.

G. Brent Dalrymple's classic debunking of the young - earth «scientific» creationism's dating methods with a short explanation of how geologists know the age Accelerating the development and application of integrated methodologies for the quantification of geological time for the underpinning of Earth sciences.

Accelerating the development and application of integrated methodologies for the quantification of geological time for the underpinning of Earth sciences.

Or to adopt another image one might say that the «psychic tint» of the earth, studied at a great distance by some celestial observer, would be seen, in the course of eons of geological time, to become gradually heightened in intensity until it reaches the peculiarly moving moment of climax when, in a spread of more active radiation covering Africa and southern Asia, a series of sparks begins to glow, foreshadowing the incandescence which is «hominization».

«We've known that this process takes place, but for the first time we've been able to show that this transformation takes place in just years to decades — that's a blink of an eye in terms of geological time.

The international working group, which includes geologists Jan Zalasiewicz, Mark Williams and Colin Waters, from the University of Leicester's School of Geography, Geology and the Environment and archaeologist Matt Edgeworth has, since 2009, been analysing the case for formalisation of the Anthropocene, a potential new epoch of geological time dominated by overwhelming human impact on the Earth.

Wander over glacial rocks at Stubbs Waterhole and ponder the vastness of geological time in Bararranna Gorge where ancient seabed now forms spectacular near vertical cliffs.

According to the dictionary's definition, the Anthropocene is «the era of geological time during which human activity is considered to be the dominant influence on the environment, climate, and ecology of the earth.»

Biologists do not agree about the mechanism of the continual disappearance of phyla in the course of geological time, a process almost as mysterious as that of their formation; but the reality of the phenomenon is indisputable.

Just 70 000 years — the merest eye - blink of geological time — covers our ancestors» transformation from smart ape to self - conscious Homo sapiens.

«Today, snakes are notorious for their venomous bite, but their fossil record vanishes in the depth of geological times at about 167 million years ago, so, at 260 million years ago, the Euchambersia evolved venom more than a 100 million years before the very first snake was even born.»

McLane writes with a deep awareness of geological time, history and human behavior, and the ways in which they've influenced the world.

A smaller stratovolcano juts out of the water 2,300 feet and frequently reminds the local villages that they are situated on top of a geological time bomb.

With this effort, Gallaccio insinuates the slow build of geological time with the immediacy of 3D printing.

The paintings function as meditative artifacts of a geological time, evoking natural processes of growth or decay.

«I'm not in favour of this being defined formally as a division of geological time.

«Quite unlike other subdivisions of geological time, the implications of formalising the Anthropocene reach well beyond the geological community,» they conclude.

The precise nomenclature of geological time zones is a convenience largely for professional geologists and palaeontologists.

The new epoch, called the Anthropocene — meaning new man — would be the first period of geological time shaped by the action of a single species.

Seth Furhmann: «Of all the research I've seen (especially on the relevance of a geological time scale) pertaining to global warming, this is simply the best.»

The thin layer of topsoil that covers the earth's land surface was formed over long stretches of geological time as new soil formation exceeded the natural rate of erosion.

The gatekeeper of geological time is the Stratigraphy Commission of the Geological Society of London.

In the 18th James Hutton opened up depths of geological time that dwarf the narrow now.

The term has slowly picked up steam, both within the sciences (the International Commission on Stratigraphy, ultimate adjudicator of the geological time scale, is taking a formal interest) and beyond.

One component (C12 / 13 ratio) appears to have varied over a tiny fraction of geological time.

«Compared to other organic matter, amber has the advantage that it remains chemically and isotopically almost unchanged over long periods of geological time,» explains Ralf Tappert from the Institute of Mineralogy and Petrography at the University of Innsbruck.

Because the Daohugou Biota and the much better studied Jehol Biota are similar in preservational mode and geographic location, but separated by tens of millions of years, they give palaeontologists an outstanding, even unique, opportunity to study changes in the fauna of this region over a significant span of geological time and an important period in vertebrate evolution.

«Having a large genetic control over the swimming direction versus magnetic cues may be an evolutionarily robust way of preserving the populations over a long stretch of geological time.»

Resources that accumulated over eons of geological time are being consumed in a single human lifespan.

That does not make sense as a unit of geological time.»

He thinks in terms of geological time — eras and epochs.

In this film, the artist records a moment of reproduction, showing two insects encased in amber, over 30 million years old, as a reflection on the vastness of geological time and humanity's comparatively short existence.

Relative dating methods are unable to determine the absolute age of an object or event, but can determine the impossibility of a particular event happening Accelerating the development and application of integrated methodologies for the quantification of geological time for the underpinning of Earth sciences.

Professor Colin Waters, who led the study, said: «Of the 65 «golden spikes» of the Geological Time Scale currently ratified, all but one are located in strata that accumulated on the sea floor, the one exception being the ice core used to define the base of the Holocene Epoch.

Minute change by minute change — over long periods of geological time — organisms are shaped to the exigencies of their environment.