Radiometric dating
{"Image DocumentName": "ABSOLUTE DATING ISOTOPES", "Image ImageDescription": "URANIUM\u2013LEAD (U238\u2013Pb206) Half-life: 4.5 billion years. Dating range: 10 million \u2013 4.6 billion years. URANIUM\u2013LEAD (U235-Pb207) Half-life: 713 million years. Dating Range: 10 million \u2013 4.6 billion years. POTASSIUM-ARGON (K40-Ar40) Half-life: 1.3 billion years. Dating Range: 100,000 \u2013 4.6 billion years. CARBON-14 (C14-N14) Half-life: 5730 years. Dating Range: 100 \u2013 100,000 years.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}