Lithologic Log for Pala Park (8S/2W-19A 1S)
Core
Altitude of land surface, approximately 1,017 feet NGVD29. Depth is in feet below land surface. Drilled by U.S. Geological Survey September 30, 2006. Total depth drilled 1,499 feet. Screened intervals: 1430-1470, 1110-1130, 750-770, 380-400, 120-140, and 15-35 feet.
| Depth(ft) | Description |
|---|---|
| 5 | Sand (S); very fine to very coarse sand; subangular; moderately sorted; olive gray (5Y 4/2) |
| 10 | Sand (S); very fine to coarse sand; subangular; well sorted; olive gray (5Y 4/2) |
| 15 | Silty sand (zS); very fine to coarse sand with silt; subangular; well sorted; dark olive gray (5Y 3/2) |
| 20 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to rounded; poorly sorted; olive gray (5Y 5/2) |
| 25 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to rounded; poorly sorted; olive gray (5Y 5/2) |
| 30 | Gravel (G); very large pebble-size gravel; angular; light olive brown (2.5Y 5/4) |
| 35 | Gravel (G); granule- to medium pebble-size gravel; subrounded; well sorted; various colors |
| 40 | Sandy silt (sZ); silt with very fine to medium sand; subangular to subrounded; well sorted; very dark gray (5Y 3/1) |
| 45 | Sandy silt (sZ); silt with very fine to medium sand; subrounded; well sorted; olive gray (5Y 4/2) |
| 50 | Sandy silt (sZ); silt with very fine to medium sand; subrounded; well sorted; olive gray (5Y 4/2) |
| 55 | Sand (S); very fine to medium sand; subangular to subrounded; well sorted; olive brown (2.5Y 4/3) |
| 60 | Sandy silt (sZ); silt with very fine to medium sand; subangular to subrounded; well sorted; olive gray (5Y 4/2) |
| 65 | Sand (S); very fine to medium sand; subrounded; well sorted; olive gray (5Y 4/2) |
| 70 | Sand (S); very fine to medium sand; subrounded; well sorted; olive gray (5Y 4/2) |
| 75 | Sandy silt (sZ); silt with very fine to medium sand; subrounded; well sorted; olive brown (2.5Y 4/3) |
| 80 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to subrounded; poorly sorted; light olive brown (2.5Y 5/3) |
| 85 | Sandy silt (sZ); silt with very fine to fine sand; subangular to subrounded; well sorted; olive brown (2.5Y 4/3) |
| 90 | Sandy silt (sZ); silt with very fine to medium sand; subangular to subrounded; well sorted; olive brown (2.5Y 4/3) |
| 95 | Silty sand (zS); very fine to medium sand with silt; subrounded; well sorted; olive gray (5Y 4/2) |
| 100 | Silty sand (zS); very fine to fine sand with silt; subangular to subrounded; well sorted; olive gray (5Y 4/2) |
| 105 | Sand (S); very fine to very coarse sand; subangular to subrounded; moderately sorted; yellowish brown (10YR 5/4) |
| 110 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subrounded; poorly sorted; light olive brown (2.5Y 5/3) |
| 115 | Gravelly sand (gS); very fine to very coarse sand with granules; subangular to subrounded; poorly sorted; grayish brown (2.5Y 5/2) |
| 120 | Gravelly sand (gS); very fine to very coarse sand with granules; subangular to subrounded; poorly sorted; grayish brown (2.5Y 5/2) |
| 125 | Sand (S); very fine to fine sand; subangular to subrounded; very well sorted; grayish brown (2.5Y 5/2) |
| 130 | Sandy silt (sZ); silt with very fine to fine sand; subangular to subrounded; very well sorted; grayish brown (2.5Y 5/2) |
| 135 | Gravelly sandy silt ((g)sM); silt with very fine to very coarse sand and granules; subangular to subrounded; very poorly sorted; light olive brown (2.5Y 5/3) |
| 140 | Gravelly sandy silt ((g)sM); silt with very fine to very coarse sand and granule- to small pebble-size gravel; subangular to subrounded; very poorly sorted; light olive brown (2.5Y 5/3) |
| 145 | Silty sand (zS); very fine to medium sand with silt; subangular to subrounded; well sorted; dark grayish brown (2.5Y 4/2) |
| 150 | Silty sand (zS); very fine to very coarse sand with silt; subangular to subrounded; moderately sorted; dark gray (5Y 4/1) |
| 155 | Sandy gravel (sG); granule- to small pebble-size gravel with medium to very coarse sand; subrounded; poorly sorted; various colors |
| 160 | Sandy silt (sZ); silt with very fine to fine sand; subangular to subrounded; very well sorted; olive gray (5Y 4/2) |
| 165 | Sandy silt (sZ); silt with very fine to medium sand; subangular to subrounded; well sorted; gray (5Y 6/1) |
| 170 | Silty sand (zS); very fine to coarse sand with silt; subangular; poorly sorted; olive brown (2.5Y 4/3) |
| 175 | Gravel (G); granule- to medium pebble-size gravel; subangular to subrounded; moderately sorted; various colors |
| 180 | Sandy gravel (sG); granule- to medium pebble-size gravel with coarse to very coarse sand; subrounded; poorly sorted; various colors |
| 185 | Gravelly sand (gS); very fine to very coarse sand with granules; subangular; poorly sorted; various colors |
| 190 | Gravelly sand (gS); very fine to very coarse sand with granules; angular to subangular; poorly sorted; grayish brown (2.5Y 5/2) |
| 195 | Gravelly sand (gS); very fine to very coarse sand with granules; angular to subangular; poorly sorted; grayish brown (2.5Y 5/2) |
| 200 | Sand (S); very fine to coarse sand; subangular to subrounded; moderately sorted; dark grayish brown (2.5Y 4/2) |
| 395 | Gravelly silty sand (gmS); very fine to very coarse sand with silt and granule- to very large pebble-size gravel; subangular to subrounded; very poorly sorted; olive gray (5Y 5/2) |
| 400 | Gravelly silty sand (gmS); very fine to very coarse sand with silt and granule- to small pebble-size gravel; subangular to subrounded; very poorly sorted; olive gray (5Y 5/2) |
| 405 | Gravelly silty sand (gmS); very fine to very coarse sand with silt and granule- to large pebble-size gravel; angular to subangular; very poorly sorted; olive gray (5Y 5/2) |
| 410 | Gravelly sand (gS); very fine to very coarse sand with granules; subangular; poorly sorted; olive gray (5Y 5/2) |
| 415 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to subrounded; poorly sorted; olive gray (5Y 5/2) |
| 420 | Gravelly sand (gS); very fine to very coarse sand with granules; subangular to subrounded; poorly sorted; olive gray (5Y 5/2) |
| 425 | Silty sand (zS); very fine to coarse sand with silt; subangular; poorly sorted; olive gray (5Y 4/2) |
| 430 | Sandy silt (sZ); silt with very fine sand; subangular; very well sorted; dark gray (5Y 4/1) |
| 705 | Sand (S); very fine to very coarse sand; angular to subangular; moderately sorted; light yellowish brown (2.5Y 6/3) |
| 710 | Silty sand (zS); very fine to very coarse sand with silt; angular to subangular; moderately sorted; light yellowish brown (2.5Y 6/3) |
| 715 | Silty sand (zS); very fine to very coarse sand with silt; angular to subangular; moderately sorted; light yellowish brown (2.5Y 6/3) |
| 720 | Silty sand (zS); very fine to very coarse sand with silt; subangular; well sorted; olive gray (5Y 4/2) |
| 845 | Gravelly sand (gS); very fine to coarse sand with granules; subangular; poorly sorted; olive gray (5Y 5/2) |
| 850 | Sandy gravel (sG); granule- to medium pebble-size gravel with very fine to very coarse sand; subangular to subrounded; poorly sorted; light yellowish brown (2.5Y 6/4) |
| 855 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to subrounded; poorly sorted; pale yellow (2.5Y 7/4) |
| 860 | Sand (S); very fine to medium sand; subangular; well sorted; light gray (2.5Y 7/2) |
| 865 | Gravelly sand (gS); very fine to very coarse sand with granule- to medium pebble-size gravel; subangular to rounded; very poorly sorted; pale yellow (5Y 7/3) |
| 870 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to subrounded; very poorly sorted; light yellowish brown (2.5Y 6/4) |
| 875 | Gravelly sand (gS); very fine to very coarse sand with granule- to medium pebble-size gravel; subangular to rounded; very poorly sorted; light yellowish brown (2.5Y 6/3) |
| 880 | Gravelly sand (gS); very fine to very coarse sand with granule- to small pebble-size gravel; subangular to subrounded; very poorly sorted; light yellowish brown (2.5Y 6/3) |
| 985 | Silty sand (zS); very fine to very coarse sand with silt; subangular; poorly sorted; light brownish gray (2.5Y 6/2) |
| 990 | Silty sand (zS); very fine to very coarse sand with silt; subangular; poorly sorted; olive gray (5Y 5/2) |
| 995 | Sandy silt (sZ); silt with very fine to fine sand; subangular; well sorted; olive gray (5Y 4/2) |
| 1482 | Gravelly sand (gS); very fine to very coarse sand with granule- to medium pebble-size gravel; subangular to subrounded; poorly sorted; various colors |
| 1485 | Gravel (G); very large pebble-size gravel; subangular; light olive brown (2.5Y 5/3) |
