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Database structure

Table Description
main Sample locations and characteristics
FT Fission track dating results, observations, and parameters
K_Ar Potassium-Argon and Argon-Argon radiometric age results, observations, and parameters
Rb_Sr Rubidium-Strontium radiometric dating results, observations, and parameters
Sm_Nd Samarium-Neodymium radiometric dating results, observations, and parameters
U_Th_Pb Radiometric age estimates, observations, and parameters using techniques involving isotopes of uranium, thorium, and lead.
datadxny Data dictionary, explaining tables and fields

Database field categories

Site identification 6
Sample identification 13
Processing information 5
Geographic location 17
Site characteristics 0
Sample characteristics 8
Chemical analysis 9
Analytical results 63
Bibliographic reference 6
Metadata 15