8 questions on "Dating - Dating methods chart - What kind of material is measured?"

Dendrochronology (what kind of material is measured?)
  • Wood
  • 100 rings necessary
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Varve chronology (what kind of material is measured?)
Soil profiles
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Milankovitch cycles (what kind of material is measured?)
  • Marine carbonate
  • Continental carbonate
  • Pollen
  • Ice cores  
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Cosmogenic nuclides (what kind of material is measured?)
Minerals holding the parent isotope and that trap the daughter isotope
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Radiocarbon (what kind of material is measured?)
Carbon containing materials: all that was once alive
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U-Th / U-series (what kind of material is measures?)
  • Carbonates
    • Particularly precipitated calcium carbonates found in cave stones (stalactites, stalagmites, etc.)
    • Coral deposits
    • Bone and shell
      • Are less reliable 
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K-Ar and Argon-Argon (what kind of material is measured?)
Minerals holding the parent isotope, trapping the daughter isotope
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Thermoluminescence (what kind of material is measured?)
  • Minerals such as quartz and feldspars
    • Present in materials such as soil, ceramics or heated stone
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