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Which information is needed to construct a geomagnetic time scale? Select the two correct answers.Question
Which information is needed to construct a geomagnetic time scale select the correct two answers
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GPT 3.5
1) Paleomagnetic data: Geomagnetic time scale construction relies on the analysis of ancient rocks and sediments that preserve the Earth's magnetic field orientation from different time periods. Therefore, paleomagnetic data, including the measurements of the magnetization direction and intensity of these rocks and sediments, is essential.
2) Radiometric dating: Radiometric dating techniques are used to determine the absolute ages of the rocks and sediments containing paleomagnetic data. This information helps correlate the measured magnetic field orientations with specific time periods, thus constructing a chronology for the geomagnetic time scale.
2) Radiometric dating: Radiometric dating techniques are used to determine the absolute ages of the rocks and sediments containing paleomagnetic data. This information helps correlate the measured magnetic field orientations with specific time periods, thus constructing a chronology for the geomagnetic time scale.
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