Index Fossil Meaning Definition. The complex of data recorded in fossils worldwide—known as the fossil record—is the primary source of information about the history of life on earth. 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 familiarity information:
用index fossil造句, 用index fossil造句, 用index fossil造句, index fossil meaning, definition, pronunciation, synonyms and example sentences are provided by ichacha.net. This is because they allow geologists and paleontologists to find the fossil age by examining the relationship of a particular fossil with another event of a specific period. ‘possibly the species will prove to be an index fossil for the lower frasnian and uppermost givetian of the sauerland and the maider in morocco, ‘ait ou amar’.’ ‘stratigraphic occurrences of carcineretes in the caribbean province suggest that this crab should be regarded as an index fossil for the early maastrichtian.’
The complex of data recorded in fossils worldwide—known as the fossil record—is the primary source of information about the history of life on earth.
A remnant or trace of an organism of a past geologic age, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust. [ ĭn ′dĕks′ ] the fossil remains of an organism that lived in a particular geologic age, used to identify or date the rock or rock layer in which it is found. (in geology and paleontology) a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used esp. This is because they allow geologists and paleontologists to find the fossil age by examining the relationship of a particular fossil with another event of a specific period.