Muon radiative energy loss (in 1.0E06 cm^2/g) in Kolar Gold Fields rock, std rock density with Z/A = 0.48605 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.4565 0.2117 0.4409 1.1090 5. 0.6196 0.5165 0.4687 1.6047 10. 0.7526 0.7635 0.4566 1.9726 20. 0.8906 1.0277 0.4372 2.3556 50. 1.0749 1.4027 0.4159 2.8935 100. 1.2095 1.6641 0.4055 3.2791 200. 1.3369 1.8962 0.4003 3.6333 500. 1.4842 2.1367 0.3997 4.0206 1000. 1.5772 2.2763 0.4062 4.2598 2000. 1.6530 2.3739 0.4169 4.4438 5000. 1.7269 2.4579 0.4365 4.6213 10000. 1.7653 2.4974 0.4562 4.7190 20000. 1.7926 2.5224 0.4793 4.7945 50000. 1.8141 2.5426 0.5155 4.8723 100000. 1.8246 2.5509 0.5464 4.9219