Ages for Borax at Baker Mine, U.S. Borax Mine (Pacific West Coast Borax; Kramer Mine; Baker Mine), Kramer Borate Deposit, Boron, Kramer District (Kramer Borate District), Kern Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 19Ma - 19Ma at this locality