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If rocks on other continents contain fossil remains of large dinosaurs similar to U.S. fossils they are
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
Geologic time is generally subdivided and based on
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
The relative ages of rocks is established using
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
Some charcoal and charred bones of deer were analyzed for C-14. (half-life = 5730 yrs.) If 1/8 of the C-14 remained, then
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
Why is carbon-14 not used for dating rocks of Paleozoic age?
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
Which characteristic is most useful in correlating Devonian-age sedimentary bedrock in Virginia with Devonian-age sedimentary bedrock in other areas?
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
Which radioactive isotope has a half-life most useful for dating an object about 4700 years old?
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
In order to date a rock sample 4 billion years old, a scientist would use
the charcoal is 17,190 years old.
similar in age to rocks in the U.S. containing these fossils.
biologic events; however, geologic events can contribute.
The youngest Paleozoic rocks are more than 40 times the age that C-14 can date.
index fossils
carbon-14
superposition, uniformitarianism and correlation of fossils.
Uranium-238
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