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Cross cutting
Annual growth rings.
To determine the age of rocks and other materials.
Geologists generally know the age of a rock by determining the age of the group of rocks, or formation, that it is found in. The age of formations is marked on a geologic calendar known as the geologic time scale. Development of the geologic time scale and dating of formations and rocks relies upon two fundamentally different ways of telling time: relative and absolute.
Radioactive dating is used to determine the absolute ages of rocks. By Jennifer Palos
The severity of the damage does not determine fault. The facts of the loss and the point of impact will help determine fault.
Relative age is used to determine the age and how old a geological feature or fossil.
magnetometer
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They CAN be used to determine accurate absolute ages.
There are two methods used to determine the age of a rock or fossil. The first is carbon dating and the second is radiometric dating.
the radioisotopes are used to determine age of the deceast.
fault location can be provided by microprocessor based relays or targets (multiple INST overcurrents are sometimes used to determine rough location).
carbon dating
Carbon dating. Google it
Annual growth rings.
- to determine the chemical nature of a rock - to determine the age of a rock by comparison