SURFICIAL MATERIAL GEOLOGIC MAP OF THE WELDON … · Int 44 RR Well Wells Meramec River RR Wells Ql...
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Chesterfield ¬ « 94 ¬ « 94 ¬ « 100 ¬ « 141 ¬ « 141 ¬ « 21 ¬ « 30 ¬ « 30 ¬ « 340 ¬ « 364 ¬ « CC ¬ « D ¬ « HH ¬ « K ¬ « MM ¬ « N ¬ « PP ¬ « W § ¨ ¦ 44 § ¨ ¦ 55 § ¨ ¦ 64 § ¨ ¦ 64 Missouri River Meramec River Meramec Meramec River Big River T 43 N T 42 N T 44 N T 45 N T 46 N T 42 N R 4 E R 5 E R 4 E 36 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 35 34 4 33 32 32 31 30 29 27 26 25 19 20 21 22 23 24 18 17 16 15 14 13 12 11 10 9 8 7 5 6 4 3 2 1 36 35 34 33 32 31 30 29 Quarry 27 26 25 31 30 19 20 22 23 24 21 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 31 32 33 34 35 36 25 26 27 28 29 30 19 20 21 22 22 23 24 18 17 16 15 14 13 18 19 9 7 10 12 18 12 6 5 31 32 34 35 36 25 30 30 29 28 27 26 24 19 20 21 22 23 13 14 15 16 17 18 15 16 24 19 25 1 31 32 33 34 27 26 25 36 35 1 2 3 4 5 6 12 7 5 8 7 18 24 19 18 15 22 23 24 13 14 6 7 18 6 7 18 19 30 8 9 16 17 20 21 22 23 24 19 25 26 27 28 29 13 18 8 7 12 1 6 31 6 7 5 4 3 2 1 8 9 7 10 11 12 18 17 16 15 14 13 18 32 33 34 35 36 31 6 19 T 46 N T 45 N T 43 N R 3 E R 5 E R 3 E St Charles County St Louis County St Charles County Franklin County River St Louis County Jefferson County St Louis County Jefferson County Qtd Qtd Qtd Qtd Qtd Qtd Qtd Qtd Qtd Qtd Qslt Qslt Qslt Qslt Qslt Qslt Qslt Qslt Qt Qt R R R Ql Ql Ql Ql Ql Ql Ql Ql Ql Qslt Qtd Qslt R Ql Ql Ql Ql Qslt Qslt Qslt R R R Pb Pb Pb R R R R R R R R R R R R Qtd Ql Qslt Ql Ql Qslt Qslt Qslt Qslt Pb Pb T 44 N DESCRIPTION OF MAP UNITS A A' QUATERNARY SILT-CAPPED ALLUVIUM - This unit has been deposited by the Missouri River. The approximate upper 15 feet of these deposits are composed predominantly of silt with variable amounts of clay and organic material. Material residing below the silt is predominantly sand and gravel to the top of bedrock. Thickness of this unit ranges from 80 to 100 feet. The water table is approximately five to 15 feet below ground surface, resulting in an interval of saturated sand and gravel greater than 80 feet thick. QUATERNARY LOESS - This unit is a wind-blown deposit of silt and clayey silt with occasional pockets of clay, sand and gravel. The unit is composed of two separate loess layers, the Roxana below and the Peoria above (Goodfield, 1965). Total thickness of the two units may reach 140 feet. The Roxana is higher in clay content and may have a paleosol developed in the upper few feet. The contact between the two units forms a potential slide plane in areas of high topographic relief. The loess overlies Mississippian-age bedrock comprised of limestone and shale creating two unique environments. Where the loess is thin, the limestone may be karstic. Where the underlying unit is predominantly shale, water will perch, destabilizing the contact zone. Where the loess rests on shale, the slide potential is increased. QUATERNARY TILL - Deposits of clayey till are located in the western portion of the Weldon Spring quadrangle. Quarternary till was deposited as a drift blanket during glaciation north of the Missouri River. The till is a mixture of clay, silt, sand, gravel and cobbles that covers the bedrock surface. The till varies in thickness from 10 to 25 feet with the thickest deposits inland from the river and in depressions of the bedrock surface. QUATERNARY TERRACE DEPOSIT - Terrace deposits in this area are slightly different than previously mapped terrace deposits (Brill, 1991; Harrison, 1997; and Goodfield, 1965). All were deposited during fluvial events, leaving the terrace above low flow stage of the river. However, the terrace deposits in this area have a lacustrine signature of sensitive organic clays approximately 20 feet below the surface. After high stage flow returned to normal, low lying areas within the terrace were filled with organic clay material. This zone has a very low shear wave velocity and underlies considerable infrastructure. RESIDUUM - Areas of residual material are found on the slope and toe slope of high relief areas. Content is dependent on the bedrock parent material but typically has high clay content with fragments of parent material. PALEOZOIC BEDROCK - Exposures in these quadrangles are typically found in areas of high topographic relief. Line locates the placement of the cross section with end line symbols. Public Land Survey System including Spanish land grants. Qslt Qt Ql Qtd Pb R A A' PHYSIOGRAPHY The Weldon Spring and Chesterfield quadrangles include part of the floodplain of the Missouri River. The floodplain is up to three miles wide in this area. The Weldon Spring, Chesterfield and Manchester quadrangles include portions of the loess covered uplands and lie within the Dissected Till Plains Section of the Central Lowlands Province of the Interior Plains Physiographic Division. The House Springs and Maxville quadrangles lie within the Salem Plateau Section of the Ozark Plateau Province of the Interior Highlands Physiographic Division. The lowest recorded elevation is 390 feet mean sea level (msl) and occurs along the edge of the Meramec River in the eastern corner of the Maxville quadrangle. The highest recorded elevation is 940 feet msl and occurs in the northeastern corner of the House Springs quadrangle. Total relief of the five quadrangle area is approximately 550 feet. GEOLOGICAL OVERVIEW The five quadrangle area is underlain primarily by deposits of Paleozoic limestone and shale. The majority of the Chesterfield quadrangle and the northeast portion of the Maxville quadrangle are underlain by Mississippian-age St. Louis, Salem and Warsaw formations. The majority of the Weldon Spring quadrangle through the northwest corner of the Maxville quadrangle is underlain by the Mississippian-age Burlington-Keokuk Formation. The southwest corner of the Manchester, majority of the House Springs, and southwest corner of the Maxville quadrangle are underlain by Ordovician-age St. Peter, Joachim and Plattin formations. 90°45'00"W 38°45'00"N 90°37'30"W 38°37'30"N 90°45'00"W 90°30'00"W 38°45'00"N 38°37'30"N Elevation in Meters 100 150 125 175 A Ql Pb Well Well Well Qslt Pb Pb Pb Ql Ql Ql Ql Qtd Qtd Qslt Qslt R R Int 44 RR Wells Well Meramec River RR Wells Ql Qslt Wells Hwy 100 Well Well Hwy HH Well Well Well Int 64 Hwy 340 RR Missouri River Well Hwy 94 A' Vertical Exaggeration = 20X Horizontal Scale = 1:65,000 Roads and water bodies are not to scale Paleozoic Bedrock Residuum Water 38°30'00"N 38°22'30"N 90°37'30"W 38°30'00"N 90°30'00"W 90°22'30"W 90°22'30"W 38°22'30"N Quarry Elevation in Feet 600 550 350 500 450 400 DATA POINT LOCATIONS ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! !! ! !! ! !! ! ! ! ! !! ! ! ! ! !! ! ! ! ! ! ! !! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !!!! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! !! ! ! ! ! ! !! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! !! ! ! ! ! ! ! !! !! ! ! ! !! ! ! ! ! !! ! !! ! ! ! ! ! ! ! ! ! ! ! ! !!! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! !! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !!! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !!! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !!! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! !! ! ! ! !! ! ! ! ! ! ! ! ! !! !! !! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! !! !! !! !! ! ! ! ! !! !! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! !! ! ! ! ! ! ! ! ! ! ! ! !!! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! !! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( X W X W X W X W X W X W X W X W X W X W X W X W X W X W 355 291 794 576 627 Qslt Qslt Qslt Qslt Qslt Qslt Qtd Qtd R R Qt Ql Ql Ql Ql Ql R Qtd Ql R R Missouri River Meramec River The Seismic Cone Penetrometer Testing (SCPT) data from the Chesterfield quadrangle displays averaged shear wave velocities (Vs). The nine SCPT results show the distribution of a majority of the borings are between 175 and 250 meters per second (m/s). Shear wave velocity testing was conducted in the Chesterfield quadrangle during June of 2010. Seismic Cone Penetrometer Testing is displayed above. Acknowledgements The Missouri Department of Natural Resources, Division of Geology and Land Survey, Geological Survey Program would like to recognize the contributions to the project by the Missouri Department of Transportation for their Seismic Cone Penetrometer Testing, and the Missouri University of Science and Technology staff and Ali Atef for their Shallow Seismic Refraction surveys and analysis. 224 223 180 234 539 254 223 218 458 UTM and 1994 Magnetic North Declination at Center of Sheet 2011 Magnetic North Declination ~ 0° - 45' East, Field Strength: 53110.2 nT ^ MN GN 27 Mils 1 1/2° 1° 27’ 26 Mils SCALE 1:65,000 Miles 1 0 1 0.5 6 6,000 3 3,000 Kilometers Meters 0 0 1.5 1,500 3 3,000 Feet 0 6,000 6,000 12,000 18,000 24,000 Road and Contour Symbology Interstate Highways ...... Missouri Highways ........ § ¨ ¦ 70 N Contour Interval............. 50 Feet Elevation Contour .......... Index Contour ................ 50 100 Missouri Quadrangle Location Quarry 0 10 20 30 40 50 60 0 100 200 300 400 500 600 Seismic Cone Penetrometer Tests 2012 Shear Wave Velocity Average (m/s) Depth (ft) Scale = 1:145,000 Data Point Distribution ! Bedrock Borings DGLS ! ( Missouri Geotechnical DGLS Shear Wave Velocity (Vs), m/s X W Vs DGLS 2010, m/s X W Weldon Spring Manchester House Springs Maxville Site Vs (m/s) Depth (ft) Depth (m) CH-01 224 46.6 14.2 CH-02 223 26.5 8.1 CH-06 180 6.7 2 CH-07 254 53.3 16.2 CH-08 223 49.9 15.2 CH-09 539 40.4 12.3 CH-10 234 53.6 16.3 CH-13 218 30.8 9.4 CH-14 458 43.5 13.3 Shear Wave Velocity, Averaged 1 2 6 7 8 9 10 13 14 Quaternary Loess Quaternary Terrace Deposit Quaternary Silt-Capped Alluvium Produced by the Missouri Department of Natural Resources, Division of Geology and Land Survey, Geological Survey Program. Funded by the United States Geological Survey, National Earthquake Hazards Reduction Program, Award # G12AC20211. Topography was derived from a USGS 10 meter Digital Elevation Model using contouring software. Universal Transverse Mercator (UTM), Zone 15 North American Datum 1983 (NAD 83) Permission must be obtained to visit privately owned land. SURFICIAL MATERIAL GEOLOGIC MAP OF THE WELDON SPRING, CHESTERFIELD, MANCHESTER, HOUSE SPRINGS AND MAXVILLE 7.5' QUADRANGLES ST. CHARLES, ST. LOUIS AND JEFFERSON COUNTIES, MISSOURI Geology and Digital Compilation by Vicki Voigt and Bradley A. Mitchell 2013 OFM-13-634-GS MISSOURI DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGY AND LAND SURVEY GEOLOGICAL SURVEY PROGRAM P.O. BOX 250, ROLLA MO 65402-0250 www.dnr.mo.gov/geology 573-368-2100 THIS MAP WAS PRODUCED UNDER A COOPERATIVE AGREEMENT WITH THE UNITED STATES GEOLOGICAL SURVEY Grant #G12AC20211 Allen, W.H. and Ward, R.A., 1977, Soil, in The Resources of St. Charles County, Missouri, Land, Water, and Minerals; Satterfield, Ira and Harris, Barbara, eds.; Missouri Department of Natural Resources, Missouri Geological Survey, 237 p. Brill, K.G., 1991, Geologic Map of St. Louis City and County, Missouri; Missouri Department of Natural Resources, Division of Geology and Land Survey, OFM-91-0259, scale 1:62,500. Goodfield, A.G., 1965, Pleistocene and surficial geology of the City of St. Louis and the adjacent St. Louis County, Missouri; unpublished Ph.D. dissertation, University of Illinois, Urbana, IL, 206p., 6 pl. Harrison, R.W., 1997, Bedrock Geologic Map of the St. Louis 30' x 60' Quadrangle, Missouri and Illinois; U.S. Geological Survey, Miscellaneous Investigations Series Map I-2533, scale 1:100,000. Illinois State Geological Survey, 2007, Water and related wells in Illinois, ISGS map service: ILWATER 5/23/2007 <http://ablation.isgs.uiuc.edu/website/ilwater/viewer.htm> Missouri Department of Natural Resources, 2007, Well Logs, Wells Certified, Bedrock, Roads, IMOP, in Missouri Environmental Geology Atlas (MEGA); Missouri Department of Natural Resources, Division of Geology and Land Survey. Schrader, W.D., and Krusekoph, H.H., 1956, Soil survey of St. Charles County, Missouri; Soil Conservation Service, U.S. Department of Agriculture, 49 pages, 1 pl. Skaer, D.M., 2004, Soil Survey of Jefferson County, Missouri; Natural Resources Conservation Service, U.S. Department of Agriculture, 291 p. Thompson, T. L., 1995, The stratigraphic succession in Missouri, v. 40 rev.; Missouri Department of Natural Resources, Division of Geology and Land Survey, 190 p. Williams, R.A., Odum, J.K., Stephenson, W.J., and Herrmann, R.B., 2007, Shallow P- and S-wave velocities in the St. Louis region, Missouri-Illinois: Earthquake Spectra, v. 23, no. 3, 711-726. BIBLIOGRAPHY 40 60 80 20 100 40 80 60 40 40 20 40 60 60 60 40 60 20 40 40 40 60 40 60 80 40 60 40 100 40 60 60 40 20 20 60 40 20 40 40 20 40 60 40 40 20 40 40 40 20 60 20 40 20 60 40 20 40 60 40 20 60 40 20 40 20 40 20 40 60 20 20 20 80 20 20 40 20 20 80 20 40 20 60 40 20 20 40 40 40 60 60 40 20 60 20 20 40 60 40 20 40 40 40 20 20 60 40 20 40 80 60 60 20 40 20 20 40 40 40 40 20 80 40 40 60 40 40 60 60 60 40 60 60 20 40 20 20 40 60 20 40 40 20 60 60 40 40 60 60 20 40 Digital Elevation Model Meters High : 941 Low : 116 High : 287 Low : 380 Feet Scale = 1:145,000 Contour Interval = 20 ft SURFICIAL MATERIAL THICKNESS 5 4 0 5 6 0 5 8 0 480 500 6 2 0 5 2 0 6 4 0 6 6 0 6 8 0 7 0 0 7 2 0 7 6 0 7 8 0 4 6 0 4 4 0 420 400 380 8 0 0 3 6 0 8 2 0 8 4 0 3 4 0 4 6 0 560 4 2 0 58 0 5 8 0 5 0 0 4 8 0 520 4 6 0 6 0 0 7 2 0 6 4 0 5 4 0 4 6 0 7 2 0 4 6 0 5 2 0 8 0 0 8 0 0 4 2 0 5 60 4 4 0 5 0 0 4 8 0 5 4 0 6 4 0 5 0 0 5 4 0 4 2 0 5 4 0 4 6 0 5 6 0 4 2 0 4 6 0 4 2 0 5 8 0 580 5 2 0 6 2 0 4 4 0 42 0 5 8 0 36 0 5 8 0 4 6 0 7 0 0 4 4 0 5 0 0 6 6 0 4 6 0 4 60 4 8 0 7 4 0 50 0 54 0 8 0 0 72 0 8 0 0 52 0 6 2 0 8 2 0 5 2 0 6 4 0 560 4 2 0 48 0 4 6 0 5 6 0 5 0 0 6 0 0 6 4 0 4 4 0 56 0 6 40 6 80 4 6 0 3 6 0 6 0 0 3 8 0 4 4 0 4 8 0 460 6 6 0 5 4 0 3 6 0 38 0 5 20 7 2 0 6 0 0 4 4 0 4 8 0 8 2 0 7 0 0 4 4 0 5 0 0 660 6 2 0 5 6 0 5 2 0 6 80 4 6 0 4 40 4 6 0 5 6 0 6 2 0 62 0 8 4 0 58 0 4 0 0 64 0 5 6 0 5 4 0 52 0 4 2 0 6 0 0 4 4 0 4 0 0 5 2 0 5 2 0 7 0 0 7 0 0 6 00 4 6 0 440 4 6 0 3 40 4 8 0 6 8 0 5 6 0 5 4 0 6 6 0 4 6 0 6 4 0 5 4 0 48 0 5 0 0 6 6 0 420 6 0 0 4 8 0 600 8 20 6 6 0 4 0 0 4 4 0 420 64 0 5 4 0 4 6 0 5 6 0 4 4 0 6 20 4 4 0 540 5 6 0 5 0 0 4 8 0 5 4 0 5 6 0 4 8 0 6 4 0 500 Digital Elevation Model Meters High : 941 Low : 116 High : 287 Low : 380 Feet Scale = 1:145,000 Contour Interval = 20 ft TOP OF BEDROCK
Transcript of SURFICIAL MATERIAL GEOLOGIC MAP OF THE WELDON … · Int 44 RR Well Wells Meramec River RR Wells Ql...
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This unit has been deposited by the MissouriRiver. The approximate upper 15 feet of these deposits are composed predominantly of silt withvariable amounts of clay and organic material. Material residing below the silt is predominantlysand and gravel to the top of bedrock. Thickness of this unit ranges from 80 to 100 feet. Thewater table is approximately five to 15 feet below ground surface, resulting in an interval ofsaturated sand and gravel greater than 80 feet thick.This unit is a wind-blown deposit of silt and clayey silt with occasionalpockets of clay, sand and gravel. The unit is composed of two separate loess layers, the Roxanabelow and the Peoria above (Goodfield, 1965). Total thickness of the two units may reach140 feet. The Roxana is higher in clay content and may have a paleosol developed in the upperfew feet. The contact between the two units forms a potential slide plane in areas of hightopographic relief. The loess overlies Mississippian-age bedrock comprised of limestone andshale creating two unique environments. Where the loess is thin, the limestone may be karstic.Where the underlying unit is predominantly shale, water will perch, destabilizing the contact zone.Where the loess rests on shale, the slide potential is increased.
Deposits of clayey till are located in the western portion of the WeldonSpring quadrangle. Quarternary till was deposited as a drift blanket during glaciation northof the Missouri River. The till is a mixture of clay, silt, sand, gravel and cobbles that covers thebedrock surface. The till varies in thickness from 10 to 25 feet with the thickest deposits inlandfrom the river and in depressions of the bedrock surface.Terrace deposits in this area are slightly differentthan previously mapped terrace deposits (Brill, 1991; Harrison, 1997; and Goodfield, 1965). Allwere deposited during fluvial events, leaving the terrace above low flow stage of the river.However, the terrace deposits in this area have a lacustrine signature of sensitive organic claysapproximately 20 feet below the surface. After high stage flow returned to normal, low lyingareas within the terrace were filled with organic clay material. This zone has a very low shearwave velocity and underlies considerable infrastructure.
Areas of residual material are found on the slope and toe slope of high reliefareas. Content is dependent on the bedrock parent material but typically has high claycontent with fragments of parent material.Exposures in these quadrangles are typically found in areas ofhigh topographic relief.
Line locates the placement of the cross section with end line symbols.Public Land Survey System including Spanish land grants.
The Weldon Spring and Chesterfield quadrangles include part of the floodplain of the Missouri River. Thefloodplain is up to three miles wide in this area. The Weldon Spring, Chesterfield and Manchester quadranglesinclude portions of the loess covered uplands and lie within the Dissected Till Plains Section of the CentralLowlands Province of the Interior Plains Physiographic Division. The House Springs and Maxville quadrangles liewithin the Salem Plateau Section of the Ozark Plateau Province of the Interior Highlands Physiographic Division.The lowest recorded elevation is 390 feet mean sea level (msl) and occurs along the edge of the Meramec Riverin the eastern corner of the Maxville quadrangle. The highest recorded elevation is 940 feet msl and occurs in thenortheastern corner of the House Springs quadrangle. Total relief of the five quadrangle area is approximately550 feet.
The five quadrangle area is underlain primarily by deposits of Paleozoic limestone and shale. The majority of theChesterfield quadrangle and the northeast portion of the Maxville quadrangle are underlain by Mississippian-ageSt. Louis, Salem and Warsaw formations. The majority of the Weldon Spring quadrangle through the northwestcorner of the Maxville quadrangle is underlain by the Mississippian-age Burlington-Keokuk Formation. Thesouthwest corner of the Manchester, majority of the House Springs, and southwest corner of the Maxvillequadrangle are underlain by Ordovician-age St. Peter, Joachim and Plattin formations.
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The Seismic Cone Penetrometer Testing (SCPT) data from the Chesterfieldquadrangle displays averaged shear wave velocities (Vs). The nine SCPTresults show the distribution of a majority of the borings are between 175and 250 meters per second (m/s).
Shear wave velocity testing was conducted in the Chesterfield quadrangleduring June of 2010. Seismic Cone Penetrometer Testing is displayed above.
The Missouri Department of Natural Resources, Division of Geology andLand Survey, Geological Survey Program would like to recognize thecontributions to the project by the Missouri Department of Transportationfor their Seismic Cone Penetrometer Testing, and the Missouri Universityof Science and Technology staff and Ali Atef for their Shallow SeismicRefraction surveys and analysis.
224223180
234539 254223
218 458
^
Interstate Highways ......Missouri Highways ........ §̈¦
Contour Interval............. 50 FeetElevation Contour..........Index Contour................
Missouri
Quadrangle Location
Quarry
6
213
1810 7
14 9
0102030405060
0 100 200 300 400 500 600
Scale = 1:145,000
Data Point Distribution
!
Bedrock BoringsDGLS!(
Missouri GeotechnicalDGLS
Shear WaveVelocity (Vs), m/sXWVs DGLS 2010, m/sXW
Weldon Spring
Manchester
House Springs
Maxville
224 46.6 14.2223 26.5 8.1180 6.7 2254 53.3 16.2223 49.9 15.2539 40.4 12.3234 53.6 16.3218 30.8 9.4458 43.5 13.3
1
2
6
78
910
1314
Quaternary LoessQuaternary Terrace DepositQuaternary Silt-Capped Alluvium
Permission must be obtained to visit privately owned land.
Allen, W.H. and Ward, R.A., 1977, Soil, in The Resources of St. Charles County, Missouri, Land, Water, and Minerals; Satterfield, Ira and Harris, Barbara, eds.; Missouri Department of Natural Resources, Missouri Geological Survey, 237 p.Brill, K.G., 1991, Geologic Map of St. Louis City and County, Missouri; Missouri Department of Natural Resources, Division of Geology and Land Survey, OFM-91-0259, scale 1:62,500.Goodfield, A.G., 1965, Pleistocene and surficial geology of the City of St. Louis and the adjacent St. Louis County, Missouri; unpublished Ph.D. dissertation, University of Illinois, Urbana, IL, 206p., 6 pl.Harrison, R.W., 1997, Bedrock Geologic Map of the St. Louis 30' x 60' Quadrangle, Missouri and Illinois; U.S. Geological Survey, Miscellaneous Investigations Series Map I-2533, scale 1:100,000.Illinois State Geological Survey, 2007, Water and related wells in Illinois, ISGS map service: ILWATER 5/23/2007 Missouri Department of Natural Resources, 2007, Well Logs, Wells Certified, Bedrock, Roads, IMOP, in Missouri Environmental Geology Atlas (MEGA); Missouri Department of Natural Resources, Division of Geology and Land Survey.Schrader, W.D., and Krusekoph, H.H., 1956, Soil survey of St. Charles County, Missouri; Soil Conservation Service, U.S. Department of Agriculture, 49 pages, 1 pl.Skaer, D.M., 2004, Soil Survey of Jefferson County, Missouri; Natural Resources Conservation Service, U.S. Department of Agriculture, 291 p.Thompson, T. L., 1995, The stratigraphic succession in Missouri, v. 40 rev.; Missouri Department of Natural Resources, Division of Geology and Land Survey, 190 p.Williams, R.A., Odum, J.K., Stephenson, W.J., and Herrmann, R.B., 2007, Shallow P- and S-wave velocities in the St. Louis region, Missouri-Illinois: Earthquake Spectra, v. 23, no. 3, 711-726.
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Digital Elevation ModelMeters
High : 941Low : 116High : 287
Low : 380
Feet
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High : 941Low : 116High : 287
Low : 380
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Scale = 1:145,000Contour Interval = 20 ft
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