By radioactive decay process.
The absolute age of the index fossil was determine by radioactive dating or another absolute method
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Excellent question! There's no definitive way of saying "this is a fossil"; so paleontologists usually pick the arbitary age of 10,000 years - so if remains are more than 10,000 years old, they are called a fossil.
The relative age of a fossil that can be determined by comparing it to an index fossil is called biostratigraphic dating. This method relies on the known age range of the index fossil to estimate the relative age of the fossil being studied.
The geologic age of fossil organisms, rock, or geologic features or events defined relative of each other.
A way to estimate a fossil's age by analyzing the elemental isotopes within the rock it's in.
Scientists can use carbon dating to determine the age of a fossil.
The age of the oldest fossil on record is about 3.5 billion years old.
The absolute age of a fossil provides a specific numerical age in years, usually determined through radiometric dating techniques. Relative age, on the other hand, only allows us to determine the fossil's age in relation to other fossils or rocks, based on their layering or sequence in the rock record.
Hydro-carbons is another name for fossil fuels.
It is difficult to understand what your asking. Please phrase your question in another way.
This fossil is called a index fossil. It is a species that is easily recognizable, widespread, and existed for a short period of time. By determining the age of the rock layer where the index fossil is found, geologists can establish the approximate age of the surrounding rocks.