19706357
Description
Mind Map by Leah McGee, updated more than 1 year ago
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Created by Leah McGee
almost 5 years ago
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Geologic history
- Bombardment
- When the asteroid hit the planet and created equatos.
- When the asteroid hit the planet and created equatos.
- Geological Time Scale
- A scale used by scientists that help record the earth's timing . And the relationships but also they are
recording what happened to the earth over the years.
- A scale used by scientists that help record the earth's timing . And the relationships but also they are
recording what happened to the earth over the years.
- layers of earth
- Layers of the Earth The layers of the earth are physically and
chemically different,the earth has muptial layers like the crust
,mantle, tection plates ,outer core ,inner core.
- Layers of the Earth The layers of the earth are physically and
chemically different,the earth has muptial layers like the crust
,mantle, tection plates ,outer core ,inner core.
- Stratigraphy
- he study of the rocks layers.
- he study of the rocks layers.
- Fossil Record
- The recording of fossils over
time. And how they are
decaying and how they fade
away after time.
- The recording of fossils over
time. And how they are
decaying and how they fade
away after time.
- Absolute Dating
- Absolute dating is a radioactive minerals
in rocks and the atoms of some of the
elements have different forms so it breaks
down and is call radioactive decay
- Absolute dating is a radioactive minerals
in rocks and the atoms of some of the
elements have different forms so it breaks
down and is call radioactive decay
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