geological time


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Noun1.geological time - the time of the physical formation and development of the earth (especially prior to human history)geological time - the time of the physical formation and development of the earth (especially prior to human history)
time - the continuum of experience in which events pass from the future through the present to the past
eon, aeon - the longest division of geological time
geological period, period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"
geological era, era - a major division of geological time; an era is usually divided into two or more periods
epoch - a unit of geological time that is a subdivision of a period and is itself divided into ages
References in classic literature ?
I will add," I continued, "that a similar barrier exists between Gibraltar and Ceuta, which in geological times formed the entire Mediterranean.
Man only came into being yesterday so far as geological times goes.
It is difficult to envisage how a concentration of one percent U could occur in such a short period of geological time as the post-glacial era (10,000 years) by leaching uranium from bedrock with background values.
The site represents one of the last slices of geological time for dinosaurs before they all went extinct.
The scientists propose that, in just two centuries, humans have wrought such vast and unprecedented changes to our world that we actually might be ushering in a new geological time interval, and alter the planet for millions of years.
During this geological time, the Mediterranean Sea dried up and the Balearic islands connected with the surrounding mainland (of Europe and Africa), so the proto-Nuralagus rex arrived walking to Minorca," said Quintana.
It was discovered in the Austin Group, a prominent rock unit in Texas that was deposited around 89 million years ago, early in the geological time period called the Late Cretaceous.
Meanwhile, palaeontologist Simon Conway Morris of the University of Cambridge said the discovery would shed light into the flourishing of new animal body plans during the period dubbed the Cambrian explosion, the sudden appearance - in geological time - of most major phyla around 530 million years ago.
We concluded that the deeper waters were the product of isolation and extensive chemical interaction between water and rock over incredibly long geological time scales," she added.
Simpson introduced the concept of a "sweepstakes" process to explain the chance of raft colonization events taking place through vast stretches of geological time.
There are two aspects of it - the geographical location and the section of geological time - so not only are you having a journey round the world but a journey through history, back millions of years.
While Earth has had a stable and habitable climate over geological time, Venus is in a climate catastrophe with a thick carbon dioxide atmosphere and surface temperatures reaching about 470 C.