Opposite of index fossil
Find 177 opposite words and antonyms for index based on 12 separate contexts from our thesaurus. Index fossil definition, a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in� Hardened fossils are often found in layers of sedimentary rock and along the beds of rivers that flow through them. See also index fossil microfossil trace fossil. Fossil antonyms. Top antonyms for fossil (opposite of fossil) are modern, modernist and radical.
Synonyms for index fossil at Thesaurus.com with free online thesaurus, antonyms , and definitions. Find descriptive alternatives for index fossil.
index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil. Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment. A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Other important groups that provide index fossils are the corals, graptolites, brachiopods, trilobites, and echinoids ( sea urchins ). [citation needed]Conodonts may be identified by experts using light microscopy such that they can be used to index a given sample with good resolution. The best type of index fossils are usually those of swimming or floating organisms that evolved quickly (and therefore did not cover a long span of geologic history) and were able to spread over large areas. Ammonites and graptolites are good index fossils. An index fossil is one that gives paleontologists a good idea of the age of the rock in which the fossil is found. To be a good index fossil it needs to have lived for a geologically short period of time, be fairly widespread and easily recognized. Trilobites are considered good index fossils. index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil.
index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil.
An index fossil is one that gives paleontologists a good idea of the age of the rock in which the fossil is found. To be a good index fossil it needs to have lived for a geologically short period of time, be fairly widespread and easily recognized. Trilobites are considered good index fossils.
Feb 18, 2020 Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or�
Antonyms for index fossil This page is about all possible antonyms and opposite words for the term index fossil. Princeton's WordNet (5.00 / 1 vote) Rate this antonym: index fossil, guide fossil (noun) a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. aequabilis, which are the index fossils for the lowermost Devonian. Because these fossils -- known as index fossils -- are widely distributed around the planet but limited in the time span in which they were laid down, their discovery provides an accurate method of dating other fossils around them. Find all the synonyms and alternative words for index fossil at Synonyms.com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. Top antonyms for fossil (opposite of fossil) are modern, modernist and radical. fossil antonyms - opposite meaning - 14 One might use the identification of an index fossil in the field to extrapolate or to assume that the particular zone or assemblage was represented. The greater the rate of evolution, the shorter the period of time represented by any given index fossil and the narrower the limits of relative age assigned to the rocks containing the index. Opposite of organic remains of a previous time. Opposite of an object surviving from an earlier time, especially one of historical interest.
index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil.
One might use the identification of an index fossil in the field to extrapolate or to assume that the particular zone or assemblage was represented. The greater the rate of evolution, the shorter the period of time represented by any given index fossil and the narrower the limits of relative age assigned to the rocks containing the index. Opposite of organic remains of a previous time. Opposite of an object surviving from an earlier time, especially one of historical interest. index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil. Index fossil definition, a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in determining the age of related formations. See more. Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends. Another term, Zone fossil is used when the fossil have all the characters stated above except wide geographical distribution, they are limited to a zone and can't be used for correlations of strata. index-fossil | definition: a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found | synonyms: fossil, guide fossil Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. index fossil - a fossil known to have lived in a particular geologic age that can be used to date the rock layer in which it is found. guide fossil. fossil - the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil.
Princeton's WordNet(5.00 / 1 vote)Rate this antonym: index fossil, guide fossil( noun). a fossil known to have lived in a particular geologic age that can be used to� Synonym.com is the web's best resource for English synonyms, antonyms, and definitions. Synonyms for index fossil at Thesaurus.com with free online thesaurus, antonyms , and definitions. Find descriptive alternatives for index fossil. Feb 18, 2020 Index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or� Find 177 opposite words and antonyms for index based on 12 separate contexts from our thesaurus. Index fossil definition, a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used especially in� Hardened fossils are often found in layers of sedimentary rock and along the beds of rivers that flow through them. See also index fossil microfossil trace fossil.