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"Relative age describes the age of an object or event in comparison to another object of eveent. It determnes which evenets occurred earlier or later than others without giving a definite date."
-from KCCT science book
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∙ 13y ago
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When do scientists use both radioactive dating and relative dating to find the age of a rock?
Skonka!
Why not use igneous rocks with relative dating?
Igneous rock is formed by lava. A fossil can't be contained in lava because it would be destroyed. So, no fossil is near lava so igneous rock can't be used for relative dating.
What is based on the idea that younger rock layers are deposited on top of older rock layers in undisturbed areas?
The answer is: Relative dating
Which type of dating uses index fossils?
Relative dating. Paleostratigraphy correlates layers of rock using index fossils found within them.
Why can relative dating be used only to estimate the age of a fossil?
by comparing its placement with that of fossils in other layers of rock
Which example describes method of relative dating?
using fossils to determine the oldest rock layer in a canyon
What do geologists use to determine the relative ages of a rock?
Relative dating refers to the process of determining the age of a rock, feature, or fossil by comparing it to the rocks around it. To use relative dating, you need to look at the order each rock layer was deposited.
How do you tell how old a fossil is by the rock layer?
by relative dating or radiometric dating
What is the method of dating fossil by their position in rock layer?
relative dating
What is the method of comparing the rock layers in which they are found?
Relative dating.
How do you determine the sequence of events in rock layers?
By the law of superposition: Oldest at the bottom and youngest at the top.
When do scientists use both radioactive dating and relative dating to find the age of a rock?
Skonka!
Why are sedimentary rocks important to relative dating?
because relative dating gets a really close estimate of how old sedimentary rock is.(the layer of course!)
What does relative dating provide for the age of a rock layer or fossil?
estimate
What process compares one rock layer with other in sequence?
Relative dating...
What process compares one rock layer with other in a sequence?
Relative dating...
What are two ways geologists determine the age of fossils?
The two methods are "RELATIVE DATING" and "ABSOLUTE DATING". :)
