Feb 21 Read Archived from the original PDF on 10 August Keep playing. Deep time Geological history of Earth Geological time units. Your Cart is Empty. The principal modern standard used by radiocarbon dating labs was the Oxalic Acid I obtained from the National Institute of Standards and Technology in Maryland. Radioactive carbon is continually formed in the atmosphere by the bombardment of cosmic ray neutrons on nitrogen atoms.
How Does Carbon Dating Work
See radiocarbon dating.
Radiocarbon dating has been used extensively since its discovery. Measurement of Nthe number of 14 C atoms currently in the sample, allows the calculation of tthe age of the sample, using the equation above. What best describes you? Log in here for access.