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What does radioactive dating enable geologists determine?
It helps determine the absolute ages of rocks
What do geologists use to determine the absolute ages of rock?
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
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 can fossil correlation be used to determine the ages of rock layer?
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What method do geologists to determine the absolute age of a rock?
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
What method do geologists use to determine the absolute age of rocks?
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
What does relative dating depend on to identify similarly aged rocks in different locations?
Relative dating depends on principles such as superposition, cross-cutting relationships, and fossil succession. These principles help geologists determine the relative ages of rocks by comparing their positions and relationships to each other.
What method do geologists use to determined the absolute age of a rock?
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
What is the idea or concept that ancient life forms succeeded each other in a definite evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata?
This concept is known as the principle of faunal succession, which states that fossil organisms succeed one another in a definite and recognizable order. By studying the fossil assemblages found in rock layers (strata), geologists can determine the relative ages of those layers based on the organisms they contain. This principle is fundamental in stratigraphy and biostratigraphy for interpreting Earth's history.
What principle is a geologist applying when deciding that a fossil in a mud layer is older than a fossil in a sandstone layer above it?
The geologist is applying the principle of superposition, which states that in an undisturbed sequence of rock layers, the oldest rocks are at the bottom and the youngest are at the top. This helps geologists determine the relative ages of fossils found in different layers of sedimentary rock.
What refers to the investigative process by which geologists identify and match sedimentary strata and other rocks of the same ages in different areas?
The process is called stratigraphic correlation, where geologists compare the layers of rock (strata) in different locations to determine if they are the same age and have similar characteristics. This helps in understanding the geological history of an area and reconstructing past environments.
Can geologists use radioactive dating to find the absolute ages of extrusion and intrusion?
Yes, geologists can use radioactive dating to determine the absolute ages of extrusion (e.g., volcanic rock deposited on the Earth's surface) and intrusion (e.g., molten rock that has moved into existing rock formations). By analyzing the decay of radioactive isotopes within the rocks, geologists can calculate the age of these geological events.
