San Bernardino Optimal Basin Management
Lithologic Log for Cone Camp - SBCC (1S/2W-7Q1-6)
Sieve
[Altitude of land surface, approximately 1,625 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, August 1997. Total depth drilled 797 feet Screened intervals: 500-520, 280-300, 124-144, 91-101, and 65-75 feet]
| Depth(ft) from | Depth(ft) to | Description |
|---|---|---|
| 0 | 10 | Silty clay, with some minor fine to very coarse sand and granule to medium pebble-sized gravel; poorly sorted; angular to rounded; light yellowish brown (2.5Y 6/4) |
| 10 | 15 | Silty clay, with some minor fine to very coarse sand; poorly sorted; angular to rounded; light yellowish brown(2.5Y 6/4) |
| 15 | 20 | Sand, fine to medium with some coarse to very coarse sand, and granule to medium pebble-sized gravel; poorly sorted; angular to rounded; light brownish gray (10YR 6/2) |
| 20 | 25 | Sandy gravel, granule to small cobble-sized with some fine to very coarse sand; poorly sorted; angular tosubrounded; gray (10YR 6/1), fanglomerate |
| 25 | 30 | Sandy gravel, granule to large cobbles with some fine to very coarse sand; poorly sorted; angular to subrounded; gray (10YR 6/1) |
| 30 | 35 | Sandy gravel, granule to large cobbles with some fine to very coarse sand; poorly sorted; angular to subrounded; gray (10YR 6/1) |
| 35 | 40 | Sandy gravel, granule to large cobbles with some fine to very coarse sand; poorly sorted; angular to rounded;gray (10YR 6/1), fanglomerate |
| 40 | 45 | Sandy gravel, granule to large cobbles with very fine to very coarse sand; poorly sorted; angular to rounded;gray (10YR 6/1), fanglomerate |
| 45 | 50 | Sandy gravel, granule to large cobbles with some fine to very coarse sand; poorly sorted; angular to rounded;gray (10YR 6/1), fanglomerate |
| 50 | 55 | Sand, very fine to very coarse with some granule to medium pebble-sized gravel; poorly sorted; angular tosubrounded; gray (10YR 6/1), fanglomerate |
| 55 | 60 | Sandy gravel, granule to large cobble-sized gravel with some very fine to very coarse sand; poorly sorted;angular to rounded; gray (10YR 6/1), fanglomerate |
| 60 | 65 | Sand, very fine to fine sand with minor medium sand, occasional granule to large pebble-sized gravel;moderately sorted; angular to rounded; gray (10YR 6/1), fanglomerate |
| 65 | 75 | Gravelly sand, very fine to very coarse sand with some granule to large pebble-sized gravel; poorly sorted;angular to rounded; pale brown (10YR 6/3), fanglomerate |
| 75 | 80 | Sand, very fine to fine sand with minor medium sand, occasional granule to large pebble-sized gravel;moderately sorted; angular to rounded; gray (10YR 6/1), fanglomerate |
| 80 | 100 | Sandy gravel, granule to medium pebble-sized gravel with fine to very coarse sand; poorly sorted; angular torounded; grayish brown (10YR 5/2), fanglomerate |
| 100 | 120 | Sandy gravel, granule to large cobble-sized gravel with some fine to very coarse sand; poorly sorted; angular to subrounded; light brownish gray (10YR 6/2), fanglomerate |
| 120 | 140 | Gravelly sand, very fine to medium sand with some granule to large cobble-sized gravel; poorly sorted;angular to subrounded; gray (10YR 6/1), fanglomerate |
| 140 | 160 | Gravelly sand, very fine to medium sand with some granule to large cobble-sized gravel; poorly sorted;angular to subrounded; gray (10YR 6/1), fanglomerate |
| 160 | 180 | Gravelly sand, very fine to very coarse sand with some granule to large cobbled-sized gravel; poorly sorted;angular to subrounded; gray (10YR 6/1), fanglomerate |
| 180 | 200 | Gravelly sand, very fine to very coarse sand with some granule to large cobbled-sized gravel; poorly sorted;angular to subrounded; light brownish gray (10YR 6/1), fanglomerate |
| 200 | 210 | Sand, fine to to coarse sand with very coarse sand and granule to medium pebble-sized gravel; poorly sorted;angular to rounded; grayish brown (10YR 5/2) |
| 210 | 220 | Gravelly sand, very fine to very coarse sand with some granule to medium pebble-sized gravel; poorly sorted;angular to subrounded; light brownish gray (10YR 6/2) |
| 220 | 240 | Sandy gravel, granule to very large pebble-sized gravel with medium to very coarse sand; poorly sorted;angular to rounded; brown (10YR 5/3) |
| 240 | 250 | Clayey sand, fine to medium sand with some clay; moderately sorted; subangular to subrounded;brown (10YR 4/3) |
| 250 | 257 | Sand, medium, with some coarse sand; well sorted; angular to subrounded; olive gray (5Y 4/2) |
| 257 | 277 | Sand, fine to medium, with some coarse sand; moderately sorted; angular to subrounded; olive gray(5Y 4/2) |
| 277 | 297 | Sand, medium, with some fine to coarse sand; moderately sorted; angular to subrounded; olive gray(5Y 4/2) |
| 297 | 317 | Sand, fine to medium, moderately sorted; angular to subrounded; olive gray (5Y 4/2) |
| 317 | 337 | Sand, fine to medium, moderately sorted; angular to subrounded; olive gray (5Y 4/2) |
| 337 | 357 | Sand, fine, with some medium sand; well sorted; angular to subrounded; olive gray (5Y 5/2) |
| 357 | 377 | Sand, fine to medium, moderately sorted; angular to subrounded; olive gray (5Y 5/2) |
| 377 | 397 | Sand, fine, with some medium sand; well sorted; angular to subrounded; dark olive gray (5Y 3/2);increase in biotite |
| 397 | 417 | Sand, fine, with some medium sand; well sorted; angular to subrounded; dark olive gray (5Y 3/2); biotite |
| 417 | 437 | Sand, fine, with some medium sand; well sorted; angular to subrounded; dark olive gray (5Y 3/2), biotite |
| 437 | 457 | Sand, fine, with some medium sand, minor clay; moderately sorted; angular to subrounded; olive gray (5Y 4/2); biotite |
| 457 | 477 | Clayey sand, coarse to very coarse, with some granule-sized gravel and clay; poorly sorted; subangular tosubrounded; olive (5Y 5/3) |
| 477 | 497 | Sand, fine to coarse, with minor very coarse sand; moderately sorted; angular to subrounded; olive gray(5Y 5/2) |
| 497 | 517 | Sand, fine to medium with some coarse sand; moderately sorted; angular to subrounded; olive gray(5Y 5/2); minor clay |
| 517 | 537 | Clayey sandy gravel, granule-sized gravel with fine to very coarse sand and clay; poorly sorted; angularto subrounded; olive gray (5Y 4/2) |
| 537 | 557 | Clayey sand, fine to very coarse sand and clay; poorly sorted; angular to subrounded; olive gray (5Y 4/2) |
| 557 | 577 | Clayey sand, fine to very coarse, with clay; poorly sorted; angular to subrounded; olive gray (5Y 4/2) |
| 577 | 597 | Clayey sand, medium to coarse, with some fine to very coarse sand and clay; poorly sorted; angular tosubrounded; olive gray (5Y 4/2) |
| 597 | 617 | Clayey sand, coarse to very coarse sand and clay with some fine to medium sand; poorly sorted; subangularto subrounded; olive (5Y 5/3) |
| 617 | 637 | Clayey sand, fine to medium, with some coarse to very coarse sand and clay; poorly sorted; angular tosubrounded; olive gray (5Y 4/2) |
| 637 | 657 | Clayey sand, medium, with fine to very coarse sand and clay; poorly sorted; angular to subrounded; olivegray (5Y 5/2) |
| 657 | 677 | Sandy clay, clay with fine to very coarse sand; poorly sorted; angular to subrounded; olive (5Y 5/3) |
| 677 | 697 | Sandy clay, clay with some fine to very coarse sand; poorly sorted; angular to subrounded; olive (5Y 5/3) |
| 697 | 717 | Clayey sand, fine to medium sand with some coarse to very coarse sand and clay; poorly sorted; angularto subrounded; olive (5Y 4/4) |
| 717 | 737 | Sand, medium with some fine to coarse sand; moderately sorted; subangular to subrounded; olive gray (5Y 4/2) |
| 737 | 757 | Sand, medium to coarse sand; well sorted; subangular to subrounded; olive (5Y 4/3) |
| 757 | 777 | Sand, medium to coarse sand; well sorted; subangular to subrounded; olive (5Y 4/3) |
| 777 | 797 | Clayey sand, medium to coarse sand and clay; moderately sorted; angular to subrounded; olive gray (5Y 4/2) |
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