Scientific Investigations Report 2007–5009
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5009
Table 1. Proportions and mean lengths of hydrofacies used in local model, San Joaquin local study area, California.
[Due to rounding, sum of proportions do not equal 1.0]
Geologic age | Hydrofacies | Proportion | Mean length, in meters | ||
---|---|---|---|---|---|
X | Y | Z | |||
Holocene | Silt | 0.24 | 80 | 100 | 1.26 |
Silty sand | 0.46 | 60 | 100 | 1.18 | |
Sand | 0.31 | 40 | 160 | 0.93 | |
Pleistocene | Clay | 0.37 | 395 | 184 | 1.78 |
Silt | 0.20 | 185 | 116 | 0.92 | |
Silty sand | 0.23 | 274 | 137 | 1.37 | |
Sand | 0.21 | 191 | 72 | 0.96 |