polarity time scaleの例文

例文

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1. The three succeeded in creating the first geomagnetic polarity time scale.
2. The geomagnetic polarity time scale was calibrated largely using K Ar dating.
3. K-Ar dating was used to calibrate the geomagnetic polarity time scale.
4. K Ar dating was instrumental in the development of the geomagnetic polarity time scale.
5. Radiometric dating of lava flows has been used to establish a " geomagnetic polarity time scale ", part of which is shown in the image.