|
Depth
(ft) |
Clay and silt
(%) |
Glauconite*
(%) |
Fine quartz
(%) |
Medium and coarser sand*
(%) |
Carbonate*
(%) |
Mica*
(%) |
Sphaero-siderite*
(%) |
Other*
(%) |
|---|---|---|---|---|---|---|---|---|
| 3.0 | 24.8 | 50 | 13 | 10 | 0 | 0 | 0 | 2 |
| 7.0 | 92.0 | 4 | 1 | 1 | 0 | 0 | 0 | 1 |
| 11.0 | 17.3 | 37 | 36 | 9 | 0 | 0 | 0 | 0 |
| 16.0 | 14.4 | 32 | 28 | 19 | 0 | 2 | 0 | 4 |
| 21.0 | 12.0 | 44 | 18 | 19 | 2 | 0 | 0 | 4 |
| 26.0 | 9.5 | 39 | 23 | 17 | 5 | 0 | 0 | 7 |
| 30.0 | 28.5 | 24 | 32 | 4 | 12 | 0 | 0 | 0 |
| 36.0 | 38.3 | 6 | 1 | 0 | 55 | 0 | 0 | 0 |
| 41.0 | 27.5 | 24 | 10 | 1 | 36 | 1 | 0 | 0 |
| 45.6 | 17.8 | 39 | 8 | 2 | 33 | 0 | 0 | 0 |
| 57.0 | 6.3 | 77 | 1 | 4 | 5 | 0 | 0 | 8 |
| 61.0 | 24.7 | 72 | 0 | 1 | 1 | 0 | 0 | 1 |
| 70.0 | 31.5 | 65 | 0 | 0 | 0 | 1 | 0 | 1 |
| 76.2 | 28.2 | 69 | 0 | 0 | 1 | 1 | 0 | 2 |
| 81.0 | 37.7 | 58 | 0 | 0 | 3 | 0 | 0 | 0 |
| 86.0 | 22.1 | 66 | 0 | 0 | 2 | 0 | 0 | 9 |
| 91.0 | 27.9 | 57 | 0 | 1 | 13 | 0 | 0 | 1 |
| 96.0 | 24.3 | 53 | 1 | 10 | 8 | 0 | 0 | 4 |
| 101.0 | 6.4 | 10 | 1 | 69 | 9 | 0 | 0 | 5 |
| 105.4 | 2.8 | 6 | 1 | 77 | 0 | 0 | 0 | 13 |
| 110.3 | 4.5 | 59 | 1 | 30 | 5 | 0 | 0 | 0 |
| 116.2 | 3.1 | 30 | 4 | 59 | 5 | 0 | 0 | 0 |
| 121.0 | 2.3 | 7 | 7 | 70 | 13 | 0 | 0 | 0 |
| 131.0 | 8.9 | 11 | 32 | 44 | 0 | 4 | 0 | 1 |
| 134.0 | 9.1 | 24 | 21 | 39 | 4 | 2 | 0 | 0 |
| 141.0 | 7.7 | 14 | 35 | 42 | 1 | 0 | 0 | 1 |
| 145.5 | 13.1 | 7 | 71 | 5 | 1 | 2 | 0 | 0 |
| 151.0 | 22.0 | 8 | 63 | 5 | 1 | 2 | 0 | 0 |
| 156.0 | 8.5 | 10 | 74 | 5 | 0 | 2 | 0 | 0 |
| 161.0 | 14.1 | 21 | 34 | 29 | 0 | 1 | 0 | 0 |
| 170.7 | 11.7 | 14 | 61 | 11 | 0 | 2 | 0 | 0 |
| 176.0 | 10.4 | 7 | 73 | 8 | 0 | 2 | 0 | 0 |
| 181.0 | 15.6 | 13 | 64 | 5 | 1 | 2 | 0 | 1 |
| 186.0 | 21.6 | 12 | 58 | 5 | 1 | 2 | 0 | 1 |
| 191.0 | 31.4 | 10 | 53 | 1 | 1 | 3 | 0 | 0 |
| 196.0 | 17.3 | 9 | 65 | 2 | 1 | 5 | 0 | 0 |
| 201.0 | 22.7 | 12 | 60 | 0 | 1 | 4 | 0 | 0 |
| 206.0 | 31.9 | 10 | 50 | 0 | 2 | 5 | 0 | 1 |
| 211.0 | 24.2 | 13 | 47 | 1 | 4 | 6 | 0 | 5 |
| 216.0 | 27.7 | 41 | 9 | 3 | 4 | 2 | 0 | 13 |
| 221.0 | 23.8 | 51 | 13 | 5 | 1 | 7 | 0 | 0 |
| 226.0 | 11.8 | 8 | 7 | 48 | 2 | 0 | 0 | 23 |
| 231.0 | 5.0 | 0 | 84 | 6 | 0 | 2 | 0 | 3 |
| 236.0 | 4.2 | 0 | 84 | 1 | 3 | 3 | 0 | 5 |
| 241.0 | 43.4 | 0 | 49 | 0 | 2 | 3 | 0 | 3 |
| 246.0 | 50.3 | 0 | 32 | 0 | 5 | 5 | 0 | 7 |
| 251.0 | 86.4 | 0 | 4 | 0 | 1 | 4 | 0 | 5 |
| 256.0 | 39.0 | 0 | 43 | 0 | 2 | 10 | 0 | 7 |
| 261.0 | 82.0 | 0 | 13 | 0 | 1 | 1 | 0 | 2 |
| 266.0 | 89.6 | 0 | 3 | 0 | 0 | 1 | 0 | 5 |
| 271.0 | 79.5 | 9 | 8 | 0 | 1 | 1 | 0 | 1 |
| 276.0 | 93.5 | 2 | 2 | 0 | 1 | 1 | 0 | 0 |
| 281.0 | 91.8 | 2 | 2 | 0 | 1 | 1 | 0 | 1 |
| 286.0 | 94.5 | 1 | 1 | 0 | 1 | 1 | 0 | 2 |
| 291.0 | 52.5 | 4 | 37 | 0 | 1 | 3 | 0 | 3 |
| 296.0 | 92.8 | 1 | 2 | 0 | 1 | 1 | 0 | 2 |
| 301.0 | 96.3 | 0 | 1 | 0 | 1 | 1 | 0 | 1 |
| 306.0 | 85.7 | 8 | 0 | 0 | 5 | 1 | 0 | 1 |
| 311.0 | 96.2 | 0 | 0 | 0 | 2 | 1 | 0 | 1 |
| 316.0 | 96.2 | 0 | 1 | 0 | 1 | 2 | 0 | 0 |
| 321.0 | 97.5 | 1 | 0 | 0 | 1 | 1 | 0 | 1 |
| 326.0 | 69.1 | 22 | 1 | 1 | 3 | 2 | 0 | 2 |
| 331.0 | 19.9 | 16 | 50 | 9 | 2 | 1 | 0 | 1 |
| 336.0 | 18.2 | 8 | 63 | 2 | 5 | 3 | 0 | 2 |
| 341.0 | 21.8 | 4 | 66 | 0 | 1 | 3 | 0 | 4 |
| 343.5 | 22.5 | 4 | 63 | 1 | 3 | 3 | 0 | 4 |
| 351.0 | 20.6 | 2 | 68 | 3 | 2 | 3 | 0 | 2 |
| 361.0 | 27.0 | 7 | 61 | 0 | 3 | 1 | 0 | 1 |
| 366.0 | 45.6 | 12 | 37 | 0 | 1 | 3 | 0 | 1 |
| 371.0 | 72.6 | 1 | 21 | 0 | 2 | 3 | 0 | 2 |
| 376.0 | 64.9 | 23 | 6 | 0 | 4 | 2 | 0 | 0 |
| 381.0 | 37.1 | 61 | 0 | 0 | 1 | 0 | 0 | 0 |
| 386.0 | 22.1 | 74 | 2 | 0 | 1 | 0 | 0 | 1 |
| 391.0 | 20.4 | 17 | 52 | 3 | 1 | 6 | 0 | 1 |
| 396.0 | 30.9 | 9 | 43 | 0 | 2 | 14 | 0 | 2 |
| 401.0 | 32.6 | 59 | 2 | 0 | 1 | 2 | 0 | 3 |
| 406.0 | 29.8 | 67 | 0 | 0 | 0 | 1 | 0 | 1 |
| 411.0 | 42.6 | 44 | 7 | 0 | 0 | 5 | 0 | 2 |
| 416.0 | 79.0 | 13 | 4 | 0 | 0 | 2 | 0 | 2 |
| 421.0 | 44.8 | 35 | 15 | 0 | 0 | 4 | 0 | 1 |
| 426.0 | 37.3 | 57 | 1 | 0 | 0 | 3 | 0 | 1 |
| 431.0 | 53.0 | 32 | 7 | 4 | 0 | 1 | 0 | 3 |
| 436.0 | 56.0 | 2 | 36 | 4 | 0 | 1 | 0 | 1 |
| 441.0 | 74.8 | 0 | 16 | 2 | 0 | 0 | 0 | 7 |
| 445.4 | 4.8 | 1 | 50 | 43 | 0 | 0 | 0 | 1 |
| 451.0 | 8.0 | 0 | 80 | 6 | 0 | 1 | 0 | 5 |
| 456.0 | 6.6 | 0 | 41 | 50 | 0 | 1 | 0 | 2 |
| 461.0 | 2.8 | 0 | 23 | 73 | 0 | 0 | 0 | 1 |
| 465.5 | 2.8 | 0 | 31 | 65 | 0 | 0 | 0 | 1 |
| 470.8 | 68.5 | 0 | 29 | 1 | 0 | 0 | 0 | 1 |
| 476.6 | 78.0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 |
| 481.0 | 88.2 | 0 | 11 | 0 | 0 | 0 | 0 | 0 |
| 486.0 | 8.1 | 0 | 91 | 0 | 0 | 0 | 0 | 1 |
| 491.0 | 4.9 | 0 | 90 | 3 | 0 | 1 | 0 | 1 |
| 495.6 | 16.1 | 0 | 42 | 41 | 0 | 0 | 0 | 1 |
| 501.0 | 11.5 | 0 | 11 | 51 | 0 | 0 | 0 | 27 |
| 506.0 | 7.7 | 0 | 19 | 73 | 0 | 0 | 0 | 0 |
| 511.0 | 5.0 | 0 | 11 | 83 | 0 | 0 | 0 | 1 |
| 520.8 | 99.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 526.3 | 54.9 | 0 | 40 | 4 | 0 | 0 | 0 | 1 |
| 531.0 | 15.7 | 0 | 52 | 30 | 0 | 1 | 0 | 1 |
| 536.0 | 16.6 | 0 | 68 | 13 | 0 | 1 | 0 | 1 |
| 541.0 | 11.8 | 0 | 68 | 16 | 0 | 2 | 0 | 2 |
| 546.0 | 11.0 | 0 | 32 | 55 | 0 | 1 | 0 | 2 |
| 551.0 | 49.8 | 0 | 26 | 0 | 0 | 2 | 0 | 22 |
| 556.0 | 20.8 | 0 | 67 | 0 | 1 | 9 | 0 | 2 |
| 561.0 | 63.3 | 0 | 27 | 3 | 0 | 4 | 0 | 3 |
| 563.3 | 10.2 | 0 | 39 | 48 | 0 | 1 | 0 | 2 |
| 571.0 | 5.4 | 0 | 9 | 84 | 0 | 0 | 0 | 1 |
| 576.0 | 28.9 | 0 | 68 | 0 | 0 | 1 | 0 | 2 |
| 581.0 | 99.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 586.0 | 92.3 | 0 | 7 | 0 | 0 | 0 | 0 | 1 |
| 591.0 | 98.4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 592.7 | 90.2 | 0 | 5 | 0 | 0 | 0 | 3 | 1 |
| 601.0 | 73.8 | 0 | 24 | 0 | 0 | 0 | 0 | 1 |
| 606.0 | 34.4 | 0 | 31 | 31 | 0 | 1 | 0 | 3 |
| 611.0 | 71.6 | 0 | 6 | 3 | 0 | 1 | 0 | 18 |
| 616.0 | 77.1 | 0 | 16 | 2 | 0 | 1 | 0 | 4 |
| 621.0 | 89.5 | 0 | 8 | 0 | 0 | 0 | 0 | 2 |
| 627.0 | 95.2 | 0 | 4 | 0 | 0 | 0 | 0 | 1 |
| 631.0 | 16.6 | 0 | 53 | 5 | 0 | 0 | 0 | 25 |
| 636.0 | 41.3 | 0 | 40 | 4 | 0 | 0 | 0 | 15 |
| 641.0 | 4.3 | 0 | 73 | 20 | 0 | 0 | 0 | 2 |
| 646.0 | 9.9 | 0 | 80 | 9 | 0 | 1 | 0 | 1 |
| 651.0 | 5.5 | 0 | 5 | 87 | 0 | 0 | 2 | 1 |
| 652.8 | 48.2 | 0 | 28 | 11 | 0 | 1 | 0 | 12 |
| 661.0 | 72.6 | 0 | 24 | 1 | 0 | 0 | 0 | 2 |
| 666.0 | 3.6 | 0 | 13 | 80 | 0 | 1 | 0 | 3 |
| 671.0 | 5.4 | 0 | 14 | 79 | 0 | 1 | 0 | 0 |
| 676.0 | 3.2 | 0 | 66 | 29 | 0 | 0 | 0 | 1 |
| 680.5 | 40.1 | 0 | 18 | 18 | 0 | 1 | 18 | 5 |
| 686.0 | 81.0 | 0 | 8 | 0 | 0 | 0 | 10 | 0 |
| 691.0 | 92.1 | 0 | 3 | 0 | 0 | 0 | 4 | 0 |
| 696.0 | 98.6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 701.0 | 96.6 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
| 706.0 | 99.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 711.0 | 74.5 | 0 | 21 | 1 | 0 | 0 | 0 | 3 |
| 714.6 | 8.5 | 0 | 6 | 62 | 0 | 1 | 0 | 23 |
| 721.0 | 9.6 | 0 | 7 | 82 | 0 | 0 | 0 | 1 |
| 723.9 | 11.2 | 0 | 23 | 64 | 0 | 1 | 0 | 1 |
| 731.0 | 23.5 | 0 | 38 | 8 | 0 | 0 | 29 | 1 |
| 733.5 | 26.3 | 0 | 67 | 2 | 0 | 1 | 4 | 1 |
| 741.0 | 91.8 | 0 | 7 | 1 | 0 | 0 | 1 | 0 |
| 746.0 | 68.5 | 0 | 26 | 0 | 0 | 0 | 5 | 0 |
| 751.0 | 21.2 | 0 | 68 | 5 | 0 | 1 | 4 | 1 |
| 755.4 | 63.4 | 0 | 35 | 1 | 0 | 0 | 0 | 1 |
| 761.0 | 17.1 | 0 | 76 | 5 | 0 | 1 | 0 | 1 |
| 765.1 | 15.4 | 0 | 62 | 16 | 0 | 1 | 4 | 1 |
| 771.0 | 45.3 | 0 | 15 | 38 | 0 | 0 | 0 | 1 |
| 776.0 | 16.1 | 0 | 45 | 37 | 0 | 1 | 0 | 1 |
| 781.0 | 8.5 | 0 | 19 | 71 | 0 | 1 | 0 | 1 |
| 786.0 | 8.5 | 0 | 15 | 75 | 0 | 0 | 0 | 1 |
| 791.0 | 97.0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 |
| 796.0 | 73.2 | 0 | 1 | 0 | 0 | 0 | 25 | 0 |
| 801.0 | 94.0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 |
| 806.0 | 98.3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 811.0 | 38.7 | 0 | 59 | 1 | 0 | 1 | 0 | 1 |
| 816.0 | 14.3 | 0 | 25 | 53 | 0 | 1 | 0 | 6 |
| 821.0 | 6.3 | 0 | 4 | 89 | 0 | 0 | 0 | 0 |
| 825.0 | 7.1 | 0 | 3 | 88 | 0 | 0 | 0 | 2 |
| 831.0 | 8.4 | 0 | 6 | 83 | 0 | 0 | 0 | 2 |
| 835.1 | 25.1 | 0 | 72 | 2 | 0 | 0 | 0 | 1 |
| 841.0 | 80.8 | 0 | 16 | 0 | 0 | 0 | 0 | 3 |
| 844.6 | 50.5 | 0 | 30 | 13 | 0 | 1 | 0 | 6 |
| 851.0 | 74.7 | 0 | 0 | 0 | 0 | 0 | 25 | 0 |
| 856.0 | 91.3 | 0 | 1 | 0 | 0 | 0 | 7 | 0 |
| 861.0 | 71.8 | 0 | 26 | 1 | 0 | 0 | 0 | 1 |
| 869.3 | 46.8 | 0 | 48 | 4 | 0 | 1 | 0 | 1 |
| 871.0 | 20.0 | 0 | 19 | 55 | 0 | 0 | 0 | 6 |
| 879.3 | 6.8 | 0 | 26 | 65 | 0 | 0 | 0 | 2 |
| 881.0 | 8.5 | 0 | 30 | 60 | 0 | 1 | 0 | 2 |
| 882.0 | 20.9 | 0 | 49 | 23 | 0 | 1 | 0 | 6 |
| 891.0 | 30.6 | 0 | 27 | 7 | 0 | 1 | 0 | 35 |
| 894.1 | 6.6 | 0 | 22 | 55 | 0 | 1 | 0 | 15 |
| 901.0 | 4.1 | 0 | 4 | 91 | 0 | 0 | 0 | 0 |
| 906.0 | 15.3 | 0 | 8 | 76 | 0 | 0 | 0 | 0 |
| 911.0 | 23.1 | 0 | 44 | 29 | 0 | 1 | 0 | 3 |
| 916.0 | 7.9 | 0 | 7 | 84 | 0 | 0 | 0 | 1 |
| 921.0 | 12.7 | 0 | 13 | 73 | 0 | 1 | 0 | 0 |
| 922.4 | 54.3 | 0 | 29 | 15 | 0 | 1 | 0 | 1 |
| 931.0 | 91.0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 |
| 936.0 | 73.2 | 0 | 21 | 5 | 0 | 0 | 0 | 1 |
| 941.0 | 6.8 | 0 | 19 | 73 | 0 | 1 | 0 | 0 |
| 946.0 | 8.1 | 0 | 16 | 74 | 0 | 1 | 0 | 1 |
| 950.9 | 6.8 | 0 | 12 | 80 | 0 | 1 | 0 | 1 |
| 956.0 | 94.6 | 0 | 5 | 0 | 0 | 0 | 0 | 1 |
| 961.0 | 8.5 | 0 | 10 | 80 | 0 | 0 | 0 | 1 |
| 966.0 | 7.6 | 0 | 11 | 81 | 0 | 0 | 0 | 1 |
| 971.0 | 17.9 | 0 | 13 | 64 | 0 | 0 | 0 | 4 |
| 972.1 | 19.6 | 0 | 14 | 64 | 0 | 1 | 0 | 2 |
| 981.0 | 85.6 | 0 | 12 | 1 | 0 | 0 | 0 | 1 |
| 984.9 | 9.4 | 0 | 1 | 89 | 0 | 1 | 0 | 0 |
| 991.0 | 88.3 | 0 | 11 | 0 | 0 | 0 | 0 | 0 |
| 1001.0 | 23.1 | 0 | 18 | 57 | 0 | 0 | 0 | 2 |
| 1006.0 | 7.3 | 0 | 9 | 83 | 0 | 0 | 0 | 1 |
| 1011.0 | 10.5 | 0 | 8 | 80 | 0 | 0 | 0 | 2 |
| 1016.0 | 7.2 | 0 | 9 | 84 | 0 | 0 | 0 | 0 |
| 1021.0 | 10.1 | 0 | 4 | 85 | 0 | 0 | 0 | 0 |
| 1026.0 | 29.5 | 0 | 5 | 64 | 0 | 0 | 0 | 1 |
| 1029.3 | 6.6 | 0 | 6 | 85 | 0 | 1 | 0 | 1 |
| 1039.0 | 84.8 | 0 | 13 | 1 | 0 | 1 | 0 | 0 |
| 1041.0 | 16.7 | 0 | 14 | 68 | 0 | 0 | 0 | 1 |
| 1045.0 | 20.1 | 0 | 26 | 52 | 0 | 1 | 0 | 1 |
| 1051.0 | 2.3 | 0 | 2 | 94 | 0 | 1 | 0 | 1 |
| 1055.9 | 11.8 | 0 | 3 | 84 | 0 | 0 | 0 | 2 |
| 1065.9 | 0.8 | 0 | 0 | 99 | 0 | 0 | 0 | 0 |
| 1073.0 | 24.1 | 0 | 62 | 8 | 0 | 2 | 0 | 4 |
| 1076.0 | 13.9 | 0 | 9 | 75 | 0 | 1 | 0 | 1 |
| 1081.0 | 39.7 | 0 | 10 | 49 | 0 | 1 | 0 | 1 |
Notes: See Figures F2, F3, F4, F5, F6, F7, F8, and F9 for cumulative percent plots. * = obtained by visual best estimate; see "Lithostratigraphy and Sequence Stratigraphy." Percent silt and clay was quantitatively measured by weighing each sample before and after washing off the clay and silt. The weight of the remaining sand was compared to the weight of the original sample to calculate percent silt and clay. All other percentages were arrived at qualitatively by visually estimating the proportion of each constituent in the sand fraction.