Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > North Dakota
| State | North Dakota |
|---|---|
| Name | Spring Pits |
| Geologic age | Phanerozoic | Cenozoic | Quaternary |
| Original map label | sp |
| Comments | spring pit - a small crater formed in a sand beach by ascending water, characterized by coarse sand in the center and finer sand around the edge, and measuring 30-60 cm across and about 15 cm deep. |
| Primary rock type | sand |
| Secondary rock type | |
| Other rock types | |
| Lithologic constituents | |
| Map references | Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K. |
| Unit references | Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K. |
| Geographic coverage | Grand Forks - Pembina - Walsh |
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