GLACIAL DATA 92 samples of pebbles of glacial tills sorted into four categories percentages by weight RedSandstone GraySandstone Crystalline Misc Count 1 91.8 7.1 1.1 0.0 282 2 88.9 10.1 0.5 0.5 368 3 87.3 10.9 0.8 1.0 607 4 84.6 13.5 0.0 1.9 532 5 14.7 81.1 0.3 3.6 360 6 37.0 36.1 4.0 22.8 470 7 34.3 59.8 5.9 0.0 102 8 21.5 75.0 0.4 3.1 544 9 67.2 31.5 0.3 1.0 387 10 49.9 46.9 0.7 2.7 294 11 18.7 79.3 0.4 1.6 503 12 11.3 88.2 0.4 0.0 697 13 91.1 7.9 0.8 0.3 393 14 81.7 17.6 0.0 0.8 665 15 97.6 2.3 0.0 0.0 347 16 3.4 95.1 0.4 1.0 791 17 25.3 71.1 3.6 0.0 225 18 56.0 26.3 2.3 15.4 175 19 75.1 24.6 0.3 0.0 333 20 15.2 80.7 1.9 2.2 269 21 41.5 36.4 5.1 17.0 118 22 19.5 77.9 0.0 2.6 154 23 89.1 9.8 1.1 0.0 276 24 93.7 5.2 1.0 0.0 480 25 87.9 8.5 0.0 3.5 373 26 80.2 18.4 1.4 0.0 369 27 83.3 15.1 1.6 0.0 126 28 82.6 16.5 0.9 0.0 460 29 83.2 14.5 1.6 0.7 441 30 64.7 34.5 0.8 0.0 502 31 58.7 41.2 0.0 0.0 126 32 66.5 28.7 0.8 4.0 376 33 89.8 9.3 0.8 0.0 118 34 80.5 17.8 0.7 1.0 303 35 85.6 12.0 2.4 0.0 250 36 78.4 16.7 12.0 3.8 582 37 62.3 31.8 2.8 2.8 69 38 72.6 22.6 3.1 1.8 226 39 81.6 10.0 4.5 3.9 359 40 65.3 19.9 9.9 4.9 453 41 95.6 4.2 0.2 0.0 427 42 79.0 16.8 3.0 1.2 334 43 92.6 6.3 1.1 0.0 364 44 89.5 9.8 0.5 0.1 869 45 91.2 7.7 1.1 0.0 441 46 95.3 3.6 1.1 0.0 615 47 91.9 7.5 0.4 0.2 532 48 89.4 0.7 1.0 1.9 417 49 89.4 9.2 1.4 0.0 360 50 95.2 3.6 1.2 0.0 580 51 95.9 4.1 0.0 0.0 147 52 94.0 4.8 1.2 0.0 500 53 83.4 15.7 0.7 0.2 943 54 15.7 84.3 0.0 0.0 305 55 7.8 90.6 0.8 0.8 1151 56 18.2 76.6 0.4 4.8 457 57 27.5 71.4 1.1 0.0 637 58 51.1 46.5 0.3 2.1 284 59 7.0 89.4 1.8 1.3 386 60 80.1 19.0 0.0 0.5 221 61 73.1 23.6 1.4 1.9 208 62 74.9 14.7 4.7 5.8 573 63 79.6 17.3 0.7 2.3 565 64 74.1 20.0 2.9 2.9 170 65 73.2 21.5 1.9 3.1 261 66 0.1 99.9 0.0 0.0 1097 67 77.9 21.1 0.0 1.0 408 68 45.8 33.3 8.3 12.5 24 69 26.7 39.6 2.9 14.9 890 70 57.7 35.1 3.6 3.6 168 71 54.5 40.9 4.5 0.0 22 72 70.5 28.8 0.7 0.0 601 73 11.5 87.4 1.1 0.0 364 74 27.8 71.9 0.3 0.0 342 75 22.4 76.9 0.6 0.0 867 76 20.1 78.3 0.1 1.4 691 77 15.8 83.5 0.6 0.0 462 78 91.5 6.6 0.3 1.6 318 79 90.0 8.2 1.3 0.4 461 80 75.7 21.0 0.6 2.8 777 81 85.6 13.4 1.0 0.0 397 82 88.5 9.2 1.7 0.5 347 83 71.0 25.8 1.5 1.8 744 84 11.5 86.1 2.3 0.2 576 85 4.5 95.0 0.0 0.0 321 86 21.2 72.8 0.8 5.2 382 87 19.5 78.1 0.8 1.6 645 88 15.0 80.6 1.7 2.6 459 89 27.0 70.2 1.3 1.5 681 90 15.9 83.3 0.8 0.0 245 91 16.9 74.3 1.2 5.9 575 92 31.4 65.9 2.7 0.0 698