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Why are index useful to geologists?
they tell the absoute age of rcoks which they occur
Describe how geologists use an index fossil and list the three characteristics of a good index fossil?
Geologists use index fossils to date the rock layers they are found in and to correlate similar rock layers in different locations. Three characteristics of a good index fossil are: widespread distribution, short duration in the geologic time scale, and easily recognizable features.
What are used by geologists to learn about the interior of the earth?
Seismic waves
Index fossils allow geologists to?
Index fossils help geologists determine the relative age of rock layers by comparing the fossils found in them to known ages of fossils. By identifying specific index fossils, geologists can correlate rock layers from different locations and help determine the chronological order of events in Earth's history.
How could geologists use fossil in rock layer B to date a rock layer in another location?
Geologists can use index fossils from rock layer B to correlate the age of the rocks in another location by matching the presence of these unique fossils. Index fossils are widely distributed and lived for a short period of time, making them useful for dating rock layers. By identifying the same index fossils in both rock layers, geologists can infer that they are of similar age.
Why are index useful to geologists?
they tell the absoute age of rcoks which they occur
What is the fossil called that geologists use to determine rock ages?
Index Fossil
What geologists use direct evidence to learn about earths interior?
Geologists use evidence from seismic waves to learn about earth's interior. Geologists record the seismic waves and study how they travel through earth. By Brianna.
Do geologists learn about earths interior by drilling holes?
No
Describe how geologists use an index fossil and list the three characteristics of a good index fossil?
Geologists use index fossils to date the rock layers they are found in and to correlate similar rock layers in different locations. Three characteristics of a good index fossil are: widespread distribution, short duration in the geologic time scale, and easily recognizable features.
What scientists learn from examining rocks that arrive on earth?
Geologists.
What are used by geologists to learn about the interior of the earth?
Seismic waves
Index fossils allow geologists to?
Index fossils help geologists determine the relative age of rock layers by comparing the fossils found in them to known ages of fossils. By identifying specific index fossils, geologists can correlate rock layers from different locations and help determine the chronological order of events in Earth's history.
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.
Why are index fossils so important to geologists?
Index fossils are very important to geologists because they identify geological time periods. Index fossils are found within a specific layer of rock- So when one finds the age of the rock layer, that is also the age of the index fossil.
What do geologists learn by studying the texture of igneous rocks?
they learn how long that rocs been there ,what encoutered it and how old it is
Geologist use direct from what to learn about earths interior?
Geologists use evidence from seismic waves to learn about earth's interior. Geologists record the seismic waves and study how they travel through earth. By Brianna.
