30 micron wide Excimer Laser Ablation Pit (18 micron deep) in GJ1 zircon
Source: Optical profiler, (U-Th)/He Geo- and Thermochronometry Lab, The University of Texas at Austin.

30 micron wide Excimer Laser Ablation Pit (18 micron deep) in GJ1 zircon

Source: Optical profiler, (U-Th)/He Geo- and Thermochronometry Lab, The University of Texas at Austin.