Index Fossil Meaning Definition
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. 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.
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A fossil species that characterizes and is used to delimit a geological zone meaning pronunciation translations and examples.
Index fossil meaning definition. Index fossil definition is a fossil usually with a narrow time range and wide spatial distribution that is used in the identification of related geologic formations. A fossil that is found in many places and comes from the same time in history so that. Index fossils are the basis for defining boundaries in the geologic time scale and for the.
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