In this period a number of comprehensive cosmogonies were proposed.
"Near the end you imply that low petrologic type chondrites are the most easily dated.
Actually, meteorites that formed by melting, e.g., the various types of achondrites, usually give more precise ages.
Increasingly, the other techniques are used, such that probably no one technique dominates for meteorite dating.
Rb-Sr is a good example for explaining the process, however.
Hutton and Lyell, who held that the history of Earth was dominated by slow relatively uniform changes in an Earth with a static over all history.