| 700 old fan--QTP |
2.5Y 6-7/4 Light yellowish brown. Paso Robles Fm. Alternating, vertical layers of coarse, angular gravel, sand with poorly sorted angular median and coarse sand lenses; gravel lenses and fine silt lenses. Gravel includes very small pebbles to large cobbles, average-medium angular to subangular polymictic pebble gravel. Gypsum roses developed on some sands. Some CaCO3 cement, but overall very friable. Gypsum “roses” are developed interstitially and below 710 unit, within 700. |
| 710 | 2.5Y 7/4 Pale yellow Massive, densely bioturbated, largely angular gravel near base. Partial CaCO3 coating on grains, contains more CaCO3 than surrounding layers or units. |
| 720 | 2.5Y 6/7 Light yellowish brown Clayey sandy silt, random clasts throughout. Some clasts are up to medium cobble size. Partially CaCO3-coated. Contact grades into 710 |
| 740 | 2.5 Y 6/4 Light yellowish brown Massive clayey sandy silt with random angular fine pebble clasts. Disseminated sand and fine gravel lenses. 14C samples collected from this unit |
| 750 | 2.5Y 6/4 Light yellow Massive, clayey sandy fine silt. Contains random fine pebble clasts throughout, contact contrasts with lower 710 unit. Grades into 740 and 760. |
| 760 | 10Y 6/3 Pale brown Lenses of coarse, angular to subangular sand and very fine angular pebble gravel within more massive clayey, sandy silt. Occasional disseminated sand lenses. |
| 770 | 2.5Y 5/4 Light olive brown Clayey silty to very fine sand. Occasional random angular fine cobble size clasts. |