San Bernardino Optimal Basin Management
Lithologic Log for Commerce Center - SBCM (1S/4W-22J1-4)
Sieve
[Altitude of land surface, approximately 1,000 feet Depth is in feet below land surface. Soil and rock color notation from Munsell Color (1998). Drilled by U.S. Geological Survey using hydraulic rotary, March 1997. Total depth drilled 900 feet Screened intervals: 840-860, 520-540, 240-260, and 25-45 feet]
| Depth(ft) from | Depth(ft) to | Description |
|---|---|---|
| 0 | 20 | Clayey sand (cS), fine to medium, with, very fine to very coarse sand and gravel;poorly sorted; angular to subrounded; olive brown (2.5Y 4/3) |
| 20 | 40 | Clayey sand (cS), very fine to fine; well sorted; subangular to subrounded;dark greenish gray (5GY 4/1); biotite |
| 40 | 65 | Clayey sand (cS), very fine; well sorted; subangular to subrounded; darkgreenish gray (5GY 4/1); biotite; light brown |
| 65 | 80 | Gravelly sand (gS), medium, with some very fine to very coarse sand and granule - tomedium pebble-sized gravel; poorly sorted; subangular to subrounded; olive gray(5Y 5/2); biotite; silt; light brown |
| 80 | 100 | Gravelly sand (gS), fine to medium, with some very fine to very coarse sand andgranule - to medium pebble-sized gravel; poorly sorted; subangular to subrounded;poorly sorted; olive gray (5Y 5/2); biotite |
| 100 | 120 | Gravelly sand (gS), fine to medium, with some very fine to very coarse sand andgranule - to large pebble-sized gravel; poorly sorted; subangular to subrounded; olivegray (5Y 5/2) |
| 120 | 140 | Gravelly sand (gS), medium, with some very fine to very coarse sand and granule - tolarge pebble-sized gravel; poorly sorted; subangular to subrounded; olive gray (5Y 5/2) |
| 140 | 160 | Clayey sand (cS), fine to medium, with very fine sand and occasionalgranule - to small pebble-sized gravel; poorly sorted; olive gray (5Y 5/2) |
| 160 | 200 | Gravelly sand (gS), medium to coarse, with some fine to very coarse sand and granule -to large pebble-sized gravel; poorly sorted; angular to subrounded; olive gray (5Y 5/2) |
| 200 | 220 | Clayey sand (cS), fine; well sorted; subangular to subrounded; olive(5Y 5/3) |
| 220 | 240 | Clayey sand (cS), fine; well sorted; subangular to subrounded; olive gray(5Y 4/2) |
| 240 | 260 | Clayey sand (cS), medium to coarse;with some fine to very coarse sandand occasional granule - to small pebble-sized gravel; poorly sorted; subangular tosubrounded; olive gray (5Y 5/2) |
| 260 | 280 | Sand (S), fine to medium, with some silt, very fine sand and occasional coarse sand;well sorted; subangular to subrounded; olive gray (5Y 5/2); biotite |
| 280 | 300 | Sand (S), fine to medium; well sorted; subangular to subrounded; olive gray (5Y 5/2);Biotite |
| 300 | 320 | Sand (S), fine to medium, with some coarse and occasional very coarse sandor granule-sized gravel; moderately sorted; subangular to subrounded; olive gray(5Y 5/2); biotite |
| 320 | 340 | Sand (S), fine to medium, with some coarse to very coarse sand; moderatelysorted; subangular to subrounded; olive gray (5Y 5/2); biotite |
| 340 | 360 | Gravelly sand (gS), fine to medium, with some coarse to very coarse sand and granule -to medium pebble-sized gravel, poorly sorted; subangular to subrounded; olive gray(5Y 5/2) |
| 360 | 380 | Gravelly sand (gS), fine to coarse, with some very coarse sand and granule - to mediumpebble-sized gravel; poorly sorted; angular to subrounded; olive gray (5Y 5/2) |
| 380 | 400 | Clayey sand (cS), fine to medium; moderately sorted; subangular tosubrounded; olive gray (5Y 5/2); biotite |
| 400 | 420 | Sand (S), fine to medium, with some very fine to coarse sand; well sorted;subangular to subrounded; greenish gray (10Y 5/1); biotite |
| 420 | 440 | Sand (S), fine to coarse, with some very coarse sand and occasional granule - to smallpebble-sized gravel; poorly sorted; subangular to subrounded; pale olive (5Y 6/3) |
| 440 | 460 | Sand (S), fine to coarse, with some very coarse sand and granule - to small pebble-sizedgravel; poorly sorted; subangular to subrounded; pale olive (5Y 6/3) |
| 460 | 480 | Sand (S), fine to very coarse, with some granule - to small pebble-sized gravel; poorlysorted; subangular to subrounded; pale olive (5Y 6/3) |
| 480 | 500 | Clayey sand (cS), fine to medium, occasional coarse sand grains; poorly sorted; subangularto subrounded; dark greenish gray (10GY 4/1); fossil wood fragments; biotite |
| 500 | 520 | Gravelly sand (gS), medium to coarse, with some fine to very coarse sand and granuleto medium pebble-sized gravel; poorly sorted; angular to subrounded; pale olive(5Y 6/3) |
| 520 | 540 | Sand (S), medium, with some very fine to very coarse sand and occasional granule - tosmall pebble-sized gravel; poorly sorted; subangular to subrounded; pale olive(5Y 6/3); biotite |
| 540 | 560 | Sand (S), fine to medium, with some very fine and occasional coarse tovery coarse sand, and granule - to small pebble-sized gravel; moderately sorted; angular tosubrounded; pale olive (5Y 6/3); biotite |
| 560 | 580 | Gravelly sand (gS), medium to coarse, with some fine to very coarse, and granule - tosmall pebble-sized gravel; moderately sorted; subangular to subrounded; olive gray(5Y 5/2); biotite |
| 580 | 600 | Sand (S), fine to medium, well sorted; subangular to subrounded; olive gray (5Y 5/2) |
| 600 | 620 | Clayey sand (cS), fine to medium, with some clay, silt and very fine sand; moderatelysorted; subangular to subrounded; dark gray (5Y 4/1) |
| 620 | 640 | Clayey silty sand (czS), fine to medium, with some very fine sand;moderately sorted; subangular to subrounded; greenish gray (5GY 5/1) |
| 640 | 660 | Silty sand (zS), fine to medium, with some very fine sand; moderately sorted;subangular to subrounded; greenish gray (5GY 5/1) |
| 660 | 680 | Sand (S) , fine to medium, with some silt, and very fine to coarse sand; moderatelysorted; subangular to subrounded; greenish gray (5GY 7/1) |
| 680 | 700 | Silty sand (zS), fine to medium, with some very fine sand; moderately sorted;subangular to subrounded; light greenish gray (5GY 7/1) |
| 700 | 720 | Silty sand (zS), fine to medium, with some very fine sand; moderately sorted;subangular to subrounded; light greenish gray (5GY 7/1) |
| 720 | 740 | Clayey sand (cS), fine to medium, with some very fine sand; moderatelysorted; subangular to subrounded; dark greenish gray (5GY 4/1) |
| 740 | 760 | Clayey sand (cS), fine to medium, with some very fine sand; moderatelysorted; subangular to subrounded; dark greenish gray (5GY 4/1) |
| 760 | 780 | Sand (S), medium to coarse, with some clay, silt and very fine to very coarse sand;poorly sorted; angular to subrounded; greenish gray (5GY 5/1); biotite |
| 780 | 800 | Sand (S), medium to coarse, with some very fine to very coarse sand, minor clay; poorlysorted; subangular to subrounded; light greenish gray (10GY 7/1) |
| 800 | 820 | Sand (S), medium to coarse, with some fine to very coarse sand; moderately sorted;subangular to subrounded; light greenish gray (10GY 7/1); biotite |
| 820 | 840 | Sand (S), fine to medium, with some very fine and occasional coarse sand;moderately sorted; angular to subrounded; dark greenish gray (N 3/1) |
| 780 | 800 | Sand (S), medium to coarse, with some very fine to very coarse sand, minor clay; poorlysorted; subangular to subrounded; light greenish gray (10GY 7/1) |
| 800 | 820 | Sand (S), medium to coarse, with some fine to very coarse sand; moderately sorted;subangular to subrounded; light greenish gray (10GY 7/1); biotite |
| 820 | 840 | Sand (S), fine to medium, with some very fine and occasional coarse sand;moderately sorted; angular to subrounded; dark greenish gray (N 3/1) |
| 840 | 860 | Sand (S), fine to coarse, with some very fine to very coarse sand; moderately sorted; angular to subrounded; light greenish gray (10GY 2/1) |
| 860 | 880 | Sand (S), fine to medium, with some very fine and occasional coarse sand; moderately sorted;Angular to subrounded; dark greenish gray (N 3/1) |
| 880 | 900 | Sand (S), fine to coarse; moderately sorted; angular to subrounded; greenish gray (5GY 5/1) |
San Bernardino Optimal Basin Management
Welcome to the U.S. Geological Survey (USGS) San Bernardino Optimal Basin Management website. This site provides hydrologic data collected or compiled by the USGS in the San Bernardino area; some additional data may be available from the USGS database National Water Information System (NWIS).
Project Chief: Wes Danskin
Phone: 619-225-6132
Email: wdanskin@usgs.gov
Questions about Optimal Basin Management? Please contact Wes Danskin (email: wdanskin@usgs.gov or send a letter). 619.225.6132