H. Mooney seismic locations (2)
DNR seismic locations (3)
MnDot soil borings (4)
Gidding soil borings-MGS (5)
Rotary sonic core (6)
Cuttings (7)
Borehole gamma log (8)
Field observation point-resources (9)
Gravel pit location (10)
soil boring-resources (11)
Water well record (12)
Bedrock_outcrop 1 (13)
Elevation (ft.) Top of Wonewoc (15)
Elevation (ft.) Top of Mt. Simon (16)
Bedrock contacts and faults (17)
| Contact |
| Fault |
Bedrock_outcrop 2 (18)
Bedrock geology polygons (19)
| MAP UNITS |
| St. Peter Sandstone |
| Prairie du Chien Group |
| Jordan Sandstone |
| St. Lawrence Formation |
| Tunnel City Group |
| Wonewoc Sandstone |
| Eau Claire Formation |
| Mt. Simon Sandstone |
| Sandstone, Siltstone, Shale |
| Chengwatana Volcanic Group |
| Clam Falls Volcanics |
Glacial striation measurement (21)
Geologic cross sections, Plate 4 (22)
Geomorphic line symbols (23)
|
| Approx. shoreline glacial Lake Anoka |
| Frdley level - about 915 ft. |
| Hugo level - about 940 ft. |
| Maximum extent - about 960 ft. |
|
| Glacial line symbols |
| Esker |
| Minor linear ridge |
| Ice-walled lake-plain rim |
| Ice marginal ridge |
| Minor morainic ridge |
| Broad, irregular trough |
| General flow direction of former stream |
| Stream-cut scarp, continuous |
| Stream-cut scarp, discontinuous |
Simplified sand-till-bedrock map (24)
| Cu |
|
| Pmc |
| Qa |
|
| Qbg |
|
| Qbs |
|
| Qci |
|
| Qcl |
|
| Qe |
|
| Qf |
|
| Ql |
|
| Qni |
|
| Qno |
|
| Qns |
|
| Qwg |
|
| Qwl |
|
| Qwr |
|
| Qws |
| Qbc |
|
| Qcc |
|
| Qcd |
|
| Qcs |
|
| Qct |
|
| Qm |
|
| Qna |
|
| Qnd |
|
| Qnm |
|
| Qnt |
Thin New Brighton sand cover (25)
| Thin sand cover |
Areas of scoured surface (26)
| Stream-scoured surface |
Surficial geology polygons (27)
| MAP UNITS |
| Eolian sand |
| Lacustrine deposit |
| Floodplain alluvium |
| Peat and muck |
| Marl |
| Alluvial fan deposit |
|
| West Campus Formation |
| St. Mary's Terrace |
| Grey Cloud terrace |
| Langdon terrace |
| Richfield terrace |
|
| New Brighton Formation |
| Sand facies |
| Silt and clay facies |
| Sand and gravel facies |
|
| New Ulm Formation |
| Lake sand |
| Outwash |
| Ice-contact stratified deposit |
| Loamy till (low relief) |
| Loamy till (moderate relief) |
| Sandy till |
| Twin Cities member |
|
| Cromwell Formation |
| Lake sand and silt |
| Lake clay and silt |
| Ice-contact stratified deposit |
| Supraglacial till |
| Subglacial till |
| Till, sand, and gravel |
| Bedrock, undivided |
| Clam Falls volcanics |
Rotary sonic core A (29)
Soil borings along xs line (30)
Giddings along xs line (31)
Water wells along xs line (32)
| Water well record |
| Cuttings |
Geologic cross sec, Plate 4 (33)
Strike and dip of volcanic flows (35)
| Strike and dip |
Structural lines (36)
| Fault affecting Paleozoic bedrock |
| Aeromagnetic anomaly |
| Diabase dike, normally polarized |
| Diabase dike, reversely polarized |
Contacts and faults (37)
| county boundary |
|
| Geologic contact |
| Fault-thrust;teeth-upper plate |
|
| Fault trace |
Precambrian outcrop (38)
| Berkey, 1898 |
| TJB, 2009 |
Precambrian geology (39)
| Hinckley Sandstone |
| St. Croix Horst sandstone |
| North Branch volcanics |
| Clam Falls volcanics |
| Chengwatana volcanics |
Surface sand thickness (41)
| 20 |
| 40 |
| 60 |
| 80 |
| 100 |
| 120 |
| 140 and greater |
Area of surficial sand (42)
Areas of sand under thin peat (43)
Qsl thickness (45)
|
| 20 |
|
| 40 |
|
| 60 |
|
| 80 |
|
| 100 |
|
| 120 |
|
| 140 and greater |
Depth to top of Qsl (46)
| 0 - 50 |
| 51 - 100 |
| 101 - 150 |
|
| 151 - 200 |
| 201 - 250 |
|
| 251 - 300 |
| 301 - 350 |
|
| 351 - 400 |
Qsc Thickness (48)
|
| 20 |
|
| 40 |
|
| 60 |
|
| 80 |
|
| 100 |
|
| 120 |
|
| 140 and greater |
Depth to top of Qsc (49)
|
| 0 - 50 |
|
| 51 - 100 |
|
| 101 - 150 |
|
| 151 - 200 |
|
| 201 - 250 |
|
| 251 - 300 |
|
| 301 - 350 |
|
| 351 - 400 |
Qse thickness (51)
|
| 20 |
|
| 40 |
|
| 60 |
|
| 80 |
|
| 100 |
|
| 120 |
|
| 140 and greater |
Depth to top of Qse (52)
|
| 0 - 50 |
|
| 51 - 100 |
|
| 101 - 150 |
|
| 151 - 200 |
|
| 201 - 250 |
|
| 251 - 300 |
|
| 301 - 350 |
|
| 351 - 400 |
Qsx thickness (54)
|
| 20 |
|
| 40 |
|
| 60 |
|
| 80 |
|
| 100 |
|
| 120 |
|
| 140 and greater |
Depth to top of Qsx (55)
|
| 0 - 50 |
|
| 51 - 100 |
|
| 101 - 150 |
|
| 151 - 200 |
|
| 201 - 250 |
|
| 251 - 300 |
|
| 301 - 350 |
|
| 351 - 400 |
Qsr thickness (57)
|
| 20 |
|
| 40 |
|
| 60 |
|
| 80 |
|
| 100 |
|
| 120 |
|
| 140 and greater |
Depth to top of Qsr (58)
|
| 0 - 50 |
|
| 51 - 100 |
|
| 101 - 150 |
|
| 151 - 200 |
|
| 201 - 250 |
|
| 251 - 300 |
|
| 301 - 350 |
|
| 351 - 400 |
Undifferentiated sediment thickness (60)
| 0 |
|
| 50 |
| 100 |
| 150 |
| 200 |
| 250 |
|
| 300 |
| 350 |
Depth to top of undifferentiated sediment (61)
|
| 0 - 50 |
|
| 51 - 100 |
|
| 101 - 150 |
|
| 151 - 200 |
|
| 201 - 250 |
|
| 251 - 300 |
|
| 301 - 350 |
|
| 351 - 400 |
Areas of peat (62)
Depth to bedrock lines (64)
Bedrock_outcrop 3 (65)
Depth to bedrock (ft) (66)
|
| 0 - 50 |
|
| 51 - 100 |
| 101 - 150 |
| 151 - 200 |
| 201 - 250 |
|
| 251 - 300 |
| 301 - 350 |
| 351 - 400 |
| 401 - 450 |
| 451 - 500 |
| 501 - 550 |
| 551 - 600 |
Bedrock topography lines (68)
Bedrock_outcrop 4 (69)
Bedrock topography (ft asl) (70)
|
| 1,101 - 1,150 |
|
| 1,051 - 1,100 |
| 1,001 - 1,050 |
| 951 - 1,000 |
| 901 - 950 |
| 851 - 900 |
| 801 - 850 |
| 751 - 800 |
| 701 - 750 |
| 651 - 700 |
| 601 - 650 |
| 551 - 600 |
|
| 451 - 550 |
| 401 - 450 |
| 380 - 400 |
|
