San Bernardino Optimal Basin Management
Lithologic Log for Riverview - SBRV (1S/3W-15K1-5)
Sieve
[Altitude of land surface, approximately 1,360 feet Depth is in feet below land surface. Soil and rock color notation from Munsell Color (1998). Drilled by U.S. Geological Survey using hyrdaulic rotary, March 1997. Total depth drilled 1,100 feet Screened intervals: 1,075-1,095, 930-950, 750-770, 490-510, and 220-240 feet]
| Depth(ft) from | Depth(ft) to | Description |
|---|---|---|
| 0 | 24 | Gravelly sand (gS), very coarse sand with some granule to large pebble-sized gravel and minor mediumto coarse sand; poorly sorted; subangular to rounded; light olive gray (5Y 6/2) |
| 24 | 44 | Slightly gravelly sand ((g)S), coarse to very coarse sand with some granule to large pebble-sized graveland minor fine to medium sand; poorly sorted; subangular to subrounded; light olive gray (5Y 6/2) |
| 44 | 64 | Gravelly sand (gS), medium to coarse sand with some very coarse sand, granule to small pebble-sizedgravel and minor fine sand; poorly sorted; subangular to subrounded; light olive gray (5Y 6/2) |
| 64 | 84 | Sandy gravel (sG), granule to medium pebble-sized gravel with some medium to very coarse sand andminor very fine to fine sand; poorly sorted; subangular to subrounded; olive gray (5Y 5/2) |
| 84 | 104 | Sandy gravel (sG), small to large pebble-sized gravel with some fine to very coarse sand and granule sizegravel; poorly sorted; subangular to rounded; olive gray (5Y 5/2) |
| 104 | 124 | Gravelly sand (gS), fine to medium sand with some granule to large pebble-sized gravel and coarse tovery coarse sand; poorly sorted; subangular to rounded; olive gray (5Y 4/2) |
| 124 | 144 | Sand (S), very coarse sand with some minor coarse sand and granule to medium pebble-sized gravel;well sorted; subangular to subrounded; moderate yellowish brown (10YR 5/4) |
| 144 | 164 | Gravelly sand (gS), medium to coarse sand with some fine to very coarse sand and granule to smallpebble-sized gravel; poorly sorted; subangular to subrounded; moderate yellowish brown (10YR 5/4) |
| 164 | 184 | Clayey sand (cS), medium sand with some clay and minor fine to very coarse sand, occasional granule tolarge pebble-sized gravel; poorly sorted; subangular to subrounded; moderate yellowish brown(10YR 5/4) |
| 184 | 204 | Sand (S), medium sand with some fine to coarse sand and granule to medium pebble-sized gravel;moderately sorted; angular to subrounded; light olive gray (5Y 6/2); biotite |
| 204 | 224 | Sand (S), fine to medium sand with some minor very fine sand; well sorted; subangular to subrounded;olive gray (5Y 5/2); biotite |
| 224 | 244 | Sand (S), fine to medium sand with some minor very fine sand and trace clay; well sorted; subangular tosubrounded; olive gray (5Y 5/2); biotite |
| 244 | 264 | Sand (S), fine to medium sand with some minor very fine sand and trace clays; well sorted; subangularto subrounded; olive gray (5Y 4/2) |
| 264 | 280 | Silty sand (zS), fine to coarse sand and silt with some very fine to very coarse sand and minor clay;poorly sorted; subangular to subrounded; olive brown (2.5Y 4/3) |
| 280 | 300 | Silty sand (zS), coarse to very coarse sand and silt with some very fine to medium sand and minor clay;poorly sorted; subangular to subrounded; olive brown (2.5Y 4/3) |
| 300 | 320 | Silty sand (zS), coarse to very coarse sand and silt with some very fine to medium sand and minor clay;poorly sorted; angular to subrounded; olive brown (2.5Y 4/3) |
| 320 | 340 | Silty sand (zS), fine to medium sand and silt with some very fine to coarse sand and minor clay; poorlysorted; subangular to subrounded; yellowish brown (10YR 5/8) |
| 340 | 360 | Silty sand (zS), fine to coarse sand and silt with some very fine to very coarse sand; poorly sorted;angular to subrounded; yellowish brown (10YR 5/8) |
| 360 | 380 | Clayey sand (cS), medium to very coarse sand and clay with some silt and very fine to fine sand; poorlysorted; angular to subrounded; gray (10YR 5/1) |
| 380 | 400 | Clayey sand (cS), medium to coarse sand and clay with some minor silt and very fine to fine sand; poorlysorted; subangular to subrounded; grayish brown (2.5Y 5/2) |
| 400 | 420 | Clayey sand (cS), coarse sand and clay with some silt, very fine to very coarse sand; poorly sorted;subangular to subrounded; grayish brown (2.5Y 5/2) |
| 420 | 440 | Sand (S), fine to medium sand with minor clay and very fine to very coarse sand; moderately sorted;subangular to subrounded; olive (5Y 5/3) |
| 440 | 460 | Sand (S), fine to medium sand with minor clay and very fine to very coarse sand; moderately sorted;subangular to subrounded; dark greenish gray (10Y 3/1) |
| 460 | 470 | Sandy clay (sC), clay with some very fine to coarse sand; poorly sorted; subangular to subrounded;pale olive (5Y 6/4) |
| 470 | 480 | Sand (S), fine to medium sand with some minor clay, very fine sand; moderately sorted; subangular tosubrounded; pale olive (5Y 6/4); biotite |
| 480 | 500 | Sand (S), fine to medium sand with some minor clay, very fine sand; moderately sorted; subangular tosubrounded; olive gray (5Y 4/2); biotite |
| 500 | 520 | Sand (S), fine to medium sand with some minor clay and very fine sand; moderately sorted; subangularto subrounded; dark olive gray (5Y 3/2); biotite |
| 520 | 540 | Sandy clay (sC), clay with some fine to medium sand; moderately sorted; subangular to subrounded;olive brown (2.5Y 4/3) |
| 540 | 560 | Sand (S), fine to medium sand with minor clay, very fine sand and occasional coarse sand grain;moderately sorted; subangular to subrounded; yellowish brown (10YR 5/4); biotite |
| 560 | 580 | Sand (S), fine to medium sand with occasional very fine and coarse sand; well sorted; subangular tosubrounded; yellowish brown (10YR 5/4) |
| 580 | 600 | Sand (S), fine to medium sand with occasional clay and very fine sand; well sorted; subangularto subrounded; yellowish brown (10YR 5/4) |
| 600 | 620 | Sand (S), medium sand with some very fine to very coarse sand; poorly sorted; subangular tosubrounded; light olive brown (2.5Y 5/3) |
| 620 | 640 | Sand (S), medium sand with some fine to coarse sand and minor very fine sand; moderately sorted;subangular to subrounded; light olive brown (2.5Y 5/3) |
| 640 | 660 | Sand (S), medium sand with some fine to coarse sand and occasional very coarse sand grain togranule size pebble gravel; poorly sorted; subangular to subrounded; light yellowish brown (10YR 6/4) |
| 660 | 680 | Sand (S), medium to coarse sand with some minor clay and very fine to very to very coarse sand grains;poorly sorted; subangular to subrounded; pale brown (10YR 6/3) |
| 680 | 700 | Sand (S), fine to medium sand with some minor clay and very fine to very coarse sand; poorly sorted;angular to subrounded; pale brown (10YR 6/3) |
| 700 | 720 | Sand (S), fine to medium sand with some clay and minor granule to small pebble-sized gravel; poorlysorted; subangular to subrounded; grayish brown (10YR 5/2) |
| 720 | 740 | Sand (S), fine to medium sand with minor clay and some very fine sand; moderately sorted;subangular to subrounded; dark olive gray (5Y 3/2); biotite |
| 740 | 760 | Sand (S), fine to medium sand with occasional coarse sand grain and minor clay and gravel;moderately sorted; subangular to subrounded; dark olive gray (5Y 3/2); biotite |
| 760 | 780 | Clayey sand (cS), fine sand with some clay and very fine to medium sand; moderately sorted;subangular to subrounded; dark olive gray (5Y 3/2); biotite |
| 780 | 800 | Clayey sand (cS), fine to medium sand and clay with some minor very fine sand; moderately sorted;subangular to subrounded; olive (5Y 5/3) |
| 800 | 820 | Sand (S), medium sand with some fine to coarse sand, trace clay and granule to small pebble-sizedgravel; moderately sorted; angular to subrounded; light olive gray (5Y 6/2) |
| 820 | 840 | Gravelly sand (gS), fine to coarse sand with some granule to medium pebble-sized gravel; moderatelysorted; subangular to subrounded; olive gray (5Y 4/2) |
| 840 | 860 | Sand (S), fine to medium sand with some very fine to coarse sand, minor clay; moderately sorted;subangular to subrounded; olive gray (5Y 4/2); biotite |
| 860 | 880 | Sand (S), fine to medium sand with some very fine to coarse sand; moderately sorted; subangular tosubrounded; olive gray (5Y 4/2) |
| 880 | 900 | Sand (S), fine sand with some very fine to medium sand; moderately sorted; subangular to subrounded;dark olive gray (5Y 3/2) |
| 900 | 920 | Sand (S), fine sand with some very fine to medium sand and minor clay; poorly sorted; angular tosubrounded; dark olive gray (5Y 3/2) |
| 920 | 940 | Sand (S), fine to medium sand with some very fine to very coarse sand, minor clay and minor granuleto small pebble-sized gravel; poorly sorted; angular to subrounded; dark olive gray (5Y 3/2) |
| 940 | 960 | Sand (S), medium sand with some fine to very coarse sand and trace granule to small pebble-sizedgravel; poorly sorted; subangular to subrounded; olive (5Y 5/3) |
| 960 | 980 | Sand (S), fine to medium sand with some very fine to coarse sand and minor clay; poorly sorted;subangular to subrounded; olive (5Y 5/3) |
| 980 | 1000 | Clayey sand (cS), fine to medium sand and clay with some very fine sand; poorly sorted; subangularto subrounded; olive (5Y 5/3) |
| 1,000 | 1,020 | Sand (S), fine to medium sand with some very fine to coarse sand and minor clay; moderately sorted;subangular to subrounded; olive (5Y 5/3) |
| 1,020 | 1,040 | Sand (S), fine to medium sand with minor clay; well sorted; subangular to subrounded; dark olivegray (5Y 3/2); biotite |
| 1,040 | 1,060 | Sand (S), fine to medium sand and minor clay; well sorted; subangular to subrounded; dark olivegray (5Y 3/2); biotite |
| 1,060 | 1,080 | Sand (S), fine to medium sand with some very fine to coarse sand and minor clay; moderately sorted,subangular to subrounded; dark olive gray (5Y 3/2) |
| 1,080 | 1,100 | Sand (S), fine to coarse sand with minor clay; moderately sorted; subangular to subrounded; paleolive (5Y 6/3) |
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