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Q: What is the major unit of geologic time?
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Is A geologic era is a shorter unit of time than a geologic period?

n


What is the smallest unit of time on the geologic time scale?

The smallest unit of geologic time is an age, followed by epoch, period, era, eon, and super eon.


Which geologic time unit includes the largest amount of time?

Eon.


What information does the geologic time scale provided and what are the major divisions of time?

The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.


Which major division on geologic time came first?

Precambrian time


A unit of geologic time that includes two or more periods?

Era


What information does the geologic time scale provide and what are the major divisions of geological time?

The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.


What unit of measurement would a geologist use for time?

Geologists measure geologic time in years.


What is the smallest unit of geologic time?

It is an age. The second smallest is a period.


What unit of geologic time followed the mass extinction of dinosaurs?

Jurassic period


Which is not a major period of the geologic time scale?

Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.


What are the basic unit of the geological time scale?

The smallest unit of geologic time is an age, followed by epoch, period, era, eon, and super eon.