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Geologic time scale

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What best describes what geologists?

Geologists study the origins, physical history, and structure of earth.


What best describes theater geologists study?

Geologists study the origins, physical history, and structure of earth.


Why are the eons and eras not equal in length?

Geologists have divided Earth's history into a series of time intervals. These time intervals are not equal in length like the hours in a day. Instead the time intervals are variable in length. This is because geologic time is divided using significant events in the history of the Earth.


What helps geologists study the history of earth?

rocks


People who study the Earth what are they called?

People who study the Earth are often called geologists. Geologists study the Earth's processes, materials, and history to better understand its composition and structure.


What are two things geologists study about earth?

Two things geologists study is the process that creates Earth's features and search for clues about Earth's history


What do geologists base the classification of rock on?

Geologists classify rocks based on their mineral composition, texture, and formation process. These characteristics help geologists understand the origin and history of the rocks, as well as their physical and chemical properties.


How geologists designate the different time periods in earths ancient past?

Geologists designate different time periods in Earth's ancient past using the geologic time scale, which is divided into eons, eras, periods, epochs, and ages. These divisions are based on significant events in Earth's history, such as mass extinctions, major geological or biological changes, or the appearance of key fossils. The boundaries between these time periods are defined by specific markers in the rock record, such as changes in fossil assemblages or shifts in sedimentation patterns. Geologists use a combination of stratigraphy, radiometric dating, and fossil evidence to accurately assign ages to these time periods.


What information did geologists use to divide Earth's history into intervals?

fossil records


Historical geologists divide the history of the earth into four unites of the time called?

Historical geologists divide the history of the earth into for units of time called Eras. The first one that began when the earth formed---- 4.6 billion years ago---- was called the Precambrian Time. The next--- after the PT--- was known as the Paleozoic Era. The third--- when dinos roamed--- was called the Mesozoic Era. The on we live in is called the Cenozoic era.


Is the church represented in Adelaide?

according to history, the church is really represented in adelaid.


How are index fossils used by uniformitarian geologists?

Uniformitarian geologists will use this method to determine which layer of rock formed at which time period of earth's history, and the order of the formation.