Muon radiative energy loss (in 1.0E06 cm^2/g) in Mt Blanc rock, std rock density with Z/A = 0.48003 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.3851 0.1766 0.4475 1.0092 5. 0.5225 0.4312 0.4750 1.4286 10. 0.6347 0.6401 0.4622 1.7370 20. 0.7516 0.8650 0.4422 2.0589 50. 0.9084 1.1834 0.4203 2.5121 100. 1.0234 1.4064 0.4096 2.8393 200. 1.1324 1.6099 0.4043 3.1466 500. 1.2594 1.8128 0.4037 3.4759 1000. 1.3395 1.9354 0.4104 3.6852 2000. 1.4053 2.0195 0.4212 3.8458 5000. 1.4697 2.0931 0.4412 4.0040 10000. 1.5034 2.1278 0.4614 4.0925 20000. 1.5273 2.1498 0.4849 4.1621 50000. 1.5463 2.1675 0.5218 4.2355 100000. 1.5555 2.1746 0.5534 4.2836