Ages for Graphite at Fowler Quarry (Nichol Quarry; B. Nicoll Quarry; Nicoll Quarry; Nicol Quarry; Cellate Quarry), Franklin Marble, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1349Ma - 940Ma at this locality