"The two uranium-lead ages often differ from each
other markedly, and the thorium-lead age on the same
mineral is almost always drastically lower than either
of the others."—*L.T. Aldrich, "Measurement of Radioactive
Ages of Rocks," in Science, May 18, 1956,
p. 872.

Other related topics:

• earth
• age-of-earth
• radioactivity
• universe
• solar
• solar-energy
• solar-energy-output
• sun
• planetary-formation
• moon
• age-of-the-universe
• stellar-formation
• young-earth
• dating-methods
• half-life
• thorium
• uranium
• radiocarbon
• archaeology
• radioactive
• inaccuracy
• dating
• lava
• archeological-dating
• potassium
• argon
• wood
• isotopes
• c-14
• petroleum
• trees
• creation
• age
• young
• fossils
• methods
• geology
• lava-beds
• tree-ring
• carbondating
• new-zealand
• rangitoto
• volcano
• mount-saint-helens
• mount-st-helens
• lava-dome
• radiometric
• carbin
• north-america
• nile-valley
• oxford
• oxford-castle
• seals
• coal
• spectrometer
• thermoluminescence
• pottery
• ban-chiang
• ban-chian-pottery

Half life ages of uranium and thorium differ drammatically (Facts About Evolution) Labels: age, dating-methods, radioactivity, uranium, thorium, half-life

Lack of helium in earths atmosphere confirms young earth (Facts About Evolution) Labels: age-of-earth, young-earth, age, earth, radioactivity

Lava dome of Mount St. Helens in 1980 falsely dates to millions of years in age (Facts About Evolution) Labels: dating-methods, radioactivity, radioactive, radiometric, lava-dome, lava, mount-st-helens, mount-saint-helens

Radioactive ages of lava beds laid down in the same month differ by millions of years (Facts About Evolution) Labels: dating-methods, radioactivity, radioactive, lava-beds, lava, young-earth, young, age-of-earth

Radiocarbon dates regularly discarded according to biases of researcher (Facts About Evolution) Labels: north-america, archaeology, geology, carbin, isotopes, radioactivity, radioactive, dating-methods, radiocarbon