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Noun

geological time - the time of the physical formation and development of the earth (especially prior to human history)

geologic time

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

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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."

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Man only came into being yesterday so far as geological times goes.

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Principal investigator, Professor Hurst explains: 'Evolution has historically been thought of as a slow process, happening over geological time periods.

University of Liverpool: Scientists aim to solve 'male-killing' evolutionary insect puzzle

Researchers compiled data on the temperatures and depths at which the metamorphic rocks formed and then evaluated how these conditions have changed through geological time.

Continents began moving about 2.5 billion years ago; SCIENCE

Greg Dipple has shown that silicate mineral residue, when exposed to the atmosphere, absorbs CO[sub.2] and converts it to carbonate minerals, and the CO[sub.2] would remain locked in the carbonates over geological time scales.

Giga Metals to Support Research into CO(2) Sequestration

"Mesozoic Calendar" includes spreads showing the positions of the continents at different geological time periods and reconstructions of creatures from each period.

What We Are Reading Today: Dinosaur Facts and Figures by Ruben Molina-Perez and Asier Larramendi

The aim of the research was to test the hypothesis that the evolutionary importance of the non-biological environment had declined through geological time.

Evolution of Life Changed 170 Million Years Ago

The climate has always fluctuated over geological time-scales; during the last Ice Age there wasn't much countryside in Britain anyway, and before that, in deep geological time, as what became Britain wandered across the globe on tectonic plates, the coal, gas and oil measures were laid down at a time when carbon dioxide levels were vastly higher than they are now.

Where will our green and pleasant land be? As fresh plans are put in place for large-scale developments in Shropshire, Charles Green of the CPRE looks at how we treat our precious countryside

This is the first formally ratified marker of a geological time period in India.

Geological display boards set up at Mawmluh cave, Therriaghat

But the landscape is older than people and geological time is mindboggling.

Murray Cook takes a hard look at our geology

RE: reader Stewart Mann's letter condemning the children who walked out of school in protests last week, as a retired geophysical technician I am aware of there having been many occurrences of climate change throughout geological time.

Kids care about Earth; RECORD READERS

The researchers conjectured it was at this point in the geological time scale--or sometime shortly after--that the inner core began to form, giving strength to the geodynamo.

Earth core started to solidify 565m years ago, unlike previous beliefs