Unearth Your Geologic Time Scale Expertise

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Which unit of time in the geologic time scale is the longest?

Period

Age

Epoch

Era (correct)

What is the main basis for establishing a geologic time scale?

Stratigraphy

Rock classification

Fossil forms (correct)

Emergence and disappearance of species

Which organization is responsible for maintaining the International Chronostratigraphic Chart?

International Earth Science Federation (IESF)

International Paleontological Association (IPA)

International Commission on Stratigraphy (ICS) (correct)

International Geological Society (IGS)

What is the primary role of living things in the development of geologic time scales?

Providing evidence for species emergence and disappearance Signup and view all the answers

Which of the following is NOT a named unit in the geologic time scale?

Millennium Signup and view all the answers

What is the primary method used to establish the geologic time scale?

Radiometric dating of rock strata Signup and view all the answers

Which of the following is NOT a unit in the geologic time scale?

Millennium Signup and view all the answers

What is the main basis for correlating and classifying rock strata in stratigraphy?

Fossils Signup and view all the answers

Which organization is responsible for maintaining the International Chronostratigraphic Chart?

International Commission on Stratigraphy (ICS) Signup and view all the answers

What is the order of the named units of abstract time in the geologic time scale, from longest to shortest duration?

Eon, era, period, epoch, age Signup and view all the answers

Unearth Your Geologic Time Scale Expertise

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Questions and Answers

Which unit of time in the geologic time scale is the longest?

What is the main basis for establishing a geologic time scale?

Which organization is responsible for maintaining the International Chronostratigraphic Chart?

What is the primary role of living things in the development of geologic time scales?

Which of the following is NOT a named unit in the geologic time scale?

What is the primary method used to establish the geologic time scale?

Which of the following is NOT a unit in the geologic time scale?

What is the main basis for correlating and classifying rock strata in stratigraphy?

Which organization is responsible for maintaining the International Chronostratigraphic Chart?

What is the order of the named units of abstract time in the geologic time scale, from longest to shortest duration?

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