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Examples ofgeological period
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But eachgeologicalperiodhas its own highlights and idiosyncrasies of insect diversification and extinction.
From theCambridge English Corpus
Geochemically, there is a fascinating difference between the coals produced in thatgeologicalperiodand coals produced afterwards.
From the
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The various geological periods or ' eons ' are shown in capitals.
From theCambridge English Corpus
The hills were originally islands that developed over an unimaginably long period of gradual erosion, during ageologicalperiodwhen change took place much more slowly than it does today.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The actual geological periods earlier than that are named after particular types of implements which were in current use for 5,000, 10,000 to 20,000 years with scarcely any change.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
A number of radioactive isotopes are used for this purpose, and depending on the rate of decay, are used for dating different geological periods.
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This example is from Wikipedia and may be reused under a CC BY-SA license.They would have occupied lower altitudes at cooler geological periods and higher altitudes in warmer times.
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This example is from Wikipedia and may be reused under a CC BY-SA license.From here it is possible to visit rock strata dating from three geological periods in a 185 million-year geological walk through time.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The staff includes research scientists specializing in various geological periods and areas, in addition to postdoctoral scholars and graduate students.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The main problem is engineering a ship that would be functional for geological periods of time.
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This example is from Wikipedia and may be reused under a CC BY-SA license.They were formed during different geological periods, separated by millions of years, and occur in three regions referred to as the "back-arc", "main-arc" and "fore-arc".
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This example is from Wikipedia and may be reused under a CC BY-SA license.Each time, when the ice melted, water seared into the thin fissuresweakness zonesthat had originated in the three previous geological periods.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The caves are a group of interconnected lava tubes between 0.522 metres (272 ft) width, created from both "pahoehoe" and "aa" types of lavas generated during different geological periods.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The author uses the plot for the purpose of introducing the reader to the animal and plant life of ancient geological periods in their natural surroundings.
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This example is from Wikipedia and may be reused under a CC BY-SA license.During the past geological periods clam shrimp were apparently more numerous and common than they are now. 300 extinct species are known, and half as many living species.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This water cycle is a vital mechanism for supporting life on land, and is a primary factor in the erosion of surface features over geological periods.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
- forward progress
- forward-progress
- forward projection
- forward rate agreement
- foraged
- forage production
- forager
- forage species
- foraging
- for a laugh
- for-a-laugh
- for all
- for-all
- for-all-are-worth
- for-all-care
- for-all-cares-knows
- for all I care
- for all intents and purposes
- for-all-intents-and-purposes
- for all sb cares/knows
- for-all-sb-cares-knows
- for all someone cares/knows
- for-all-the-difference-makes
- for all the difference something makes
- for all the difference sth makes