英语词汇“example_english_index-fossil”的音标、意思、用法及中文翻译-反思网

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It is used in biostratigraphy as an indexfossil.
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The series of deposits that spans the occurrence of a particular indexfossil, is often referred to as that fossil's zone, enabling to relate different faunas through time.
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Wikipedia

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Firstly, index fossils should be temporally restricted, numerically abundant and spatially widespread.
Apart from conodonts, goniatites are the best index fossils, which have considerably completed the biostratigraphic calibration of our sections.
An absence of facies bias potentially increases the usefulness of these taxa as index fossils, but their global utility is restricted by their endemism (see above).
Because certain fossils are solely found in certain layers, they are referred to as index fossils.
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Wikipedia

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Such index fossils must be distinctive, be globally distributed and have a short time range to be useful.
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Wikipedia

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Such index fossils must be distinctive, be globally distributed and occupy a short time range to be useful.
From
Wikipedia

This example is from Wikipedia and may be reused under a CC BY-SA license.
Misleading results are produced if the index fossils are incorrectly dated.
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Wikipedia

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They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geological time periods.
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Wikipedia

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Some flood geologists dispute geology's assembled global geologic column since index fossils are used to link geographically isolated strata to other strata across the map.
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Fossils are often dated by their proximity to strata containing index fossils whose age has been determined by its location on the geologic column.
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Wikipedia

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Index fossils are more helpful in providing geologic references or reference markers.
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They have been recorded from every continent and many are used as zonal or index fossils.
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He is considered to have founded the study of zone stratigraphy and the use of index fossils, a term which he created, to compare the different strata.
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Wikipedia

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The best index fossils are common, easy-to-identify at species level, and have a broad distributionotherwise the likelihood of finding and recognizing one in the two sediments is minor.
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Since microfossils are often extremely abundant, widespread, and quick to appear and disappear from the stratigraphic record, they constitute ideal index fossils from a biostratigraphic perspective.
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Ammonites are excellent index fossils, and it is often possible to link the rock layer in which a particular species or genus is found to specific geological time periods.
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They are valuable as index fossils.
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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.

词汇	example_english_index-fossil
释义	Examples of index fossil 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. Fauna and flora specific to a particular environment make poor index fossils, as environment, rather than temporal restriction, may be dictating their appearance and distribution. True index fossils should be temporally restricted, common and widespread. It has a cosmopolitan distribution and is an important indexfossil in biostratigraphy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is used in biostratigraphy as an indexfossil. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The series of deposits that spans the occurrence of a particular indexfossil, is often referred to as that fossil's zone, enabling to relate different faunas through time. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Firstly, index fossils should be temporally restricted, numerically abundant and spatially widespread. Apart from conodonts, goniatites are the best index fossils, which have considerably completed the biostratigraphic calibration of our sections. An absence of facies bias potentially increases the usefulness of these taxa as index fossils, but their global utility is restricted by their endemism (see above). Because certain fossils are solely found in certain layers, they are referred to as index fossils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such index fossils must be distinctive, be globally distributed and have a short time range to be useful. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Such index fossils must be distinctive, be globally distributed and occupy a short time range to be useful. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Misleading results are produced if the index fossils are incorrectly dated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are excellent index fossils, and it is often possible to link the rock layer in which they are found to specific geological time periods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some flood geologists dispute geology's assembled global geologic column since index fossils are used to link geographically isolated strata to other strata across the map. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fossils are often dated by their proximity to strata containing index fossils whose age has been determined by its location on the geologic column. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Index fossils are more helpful in providing geologic references or reference markers. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They have been recorded from every continent and many are used as zonal or index fossils. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He is considered to have founded the study of zone stratigraphy and the use of index fossils, a term which he created, to compare the different strata. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The best index fossils are common, easy-to-identify at species level, and have a broad distributionotherwise the likelihood of finding and recognizing one in the two sediments is minor. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since microfossils are often extremely abundant, widespread, and quick to appear and disappear from the stratigraphic record, they constitute ideal index fossils from a biostratigraphic perspective. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Ammonites are excellent index fossils, and it is often possible to link the rock layer in which a particular species or genus is found to specific geological time periods. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They are valuable as index fossils. From Wikipedia 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.
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Examples of index fossil