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Mahomet Valley

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Journal Article
Published: 01 September 1961
Journal of Sedimentary Research (1961) 31 (3): 456–466.
...Constantine Manos Abstract Samples of sediments from just above the bedrock of the valley bottom of the ancient Teays and Mahomet rivers were taken in unglaciated regions of West Virginia and Ohio, and from beneath glacial drift in Ohio and Illinois and analyzed for heavy mineral content. Analysis...
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p91
... The buried Mahomet Valley in east-central Illinois is a complex lowland carved into the surface of Pennsylvanian and older rocks. It consists of a deep channel throughout most of its length and contains numerous benches below erosional remnant hills, suggesting several cycles of early to middle...
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p51
... The Lafayette Bedrock Valley System is a complex of bedrock valleys that converge on and diverge from Lafayette, Indiana. The primary trunk valley of the system, composed of the narrow Marion Valley Section on the east and the broad Mahomet Valley Section on the west, is the classic “Teays...
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p79
... Groundwater resources associated with sediments filling the Marion and Mahomet Valley Sections of the Lafayette Bedrock Valley System vary from miniscule to substantial, reflecting the wide range of glacigenic aquifer facies contained in the fill. These aquifer facies include braid-stream...
Journal Article
Journal: GSA Bulletin
Published: 01 July 2010
GSA Bulletin (2010) 122 (7-8): 1047–1066.
...Keith C. Hackley; Samuel V. Panno; Thomas F. Anderson Abstract Buried bedrock valley aquifers can be found throughout Canada and the northern United States where glacial deposits have filled in previously exposed bedrock valleys. The Mahomet bedrock valley is an east-west–trending buried valley...
FIGURES | View All (17)
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258
Image
Isopach map of the <b>Mahomet</b> sand in the <b>Mahomet</b> bedrock <b>valley</b> (MBV) as defi...
Published: 01 July 2010
Figure 1. Isopach map of the Mahomet sand in the Mahomet bedrock valley (MBV) as defined by the 500 ft elevation contour (modified from Kempton et al., 1991 ). MSL—mean sea level.
Image
δD and δ 13 C of CH 4  from groundwater of the <b>Mahomet</b> bedrock <b>valley</b> syste...
Published: 01 July 2010
Figure 11. δD and δ 13 C of CH 4 from groundwater of the Mahomet bedrock valley system. Enclosed areas represent isotopic compositions typically observed for different sources of methane ( Whiticar et al., 1986 ; Coleman et al., 1993 ; Hackley et al., 1996 ).
Image
Cross section (B-B′) of the <b>Mahomet</b> bedrock <b>valley</b> including  14 C, [SO 4  ...
Published: 01 July 2010
Figure 13. Cross section (B-B′) of the Mahomet bedrock valley including 14 C, [SO 4 2– ], and [Cl – ] data for several wells (modified from Hackley, 2002 ). Note the lower 14 C activities and higher Cl – concentrations near the sides of the valley, especially on the west side where
Image
Cross section (C-B′) of the <b>Mahomet</b> bedrock <b>valley</b> including  14 C, [SO 4  ...
Published: 01 July 2010
Figure 16. Cross section (C-B′) of the Mahomet bedrock valley including 14 C, [SO 4 2– ], and [Cl – ] data for several wells (modified from Hackley, 2002 ). Note the lower 14 C activities and higher Cl – concentrations near the western side of the valley, where the bedrock is composed
Image
Cross section (D-B′) of the <b>Mahomet</b> bedrock <b>valley</b> including  14 C, [SO 4  ...
Published: 01 July 2010
Figure 17. Cross section (D-B′) of the Mahomet bedrock valley including 14 C, [SO 4 2– ], and [Cl – ] data for several wells (modified from Hackley, 2002 ). Bedrock lithology is primarily carbonates across this part of the valley. Note low Cl – concentration across Mahomet aquifer. MSL—mean
Image
Trilinear and piper diagrams of groundwater samples from the <b>Mahomet</b> bedroc...
Published: 01 July 2010
Figure 5. Trilinear and piper diagrams of groundwater samples from the Mahomet bedrock valley hydrologic system. Different symbols represent samples from the Mahomet and shallower aquifers in the different regions across the Mahomet Valley. Bedrock data are from Panno et al. (1994) . Arrows
Journal Article
Journal: GSA Bulletin
Published: 01 June 2002
GSA Bulletin (2002) 114 (6): 665–674.
... such as one that may underlie Ice Stream B, West Antarctic Ice Sheet, would prevent basal water pressure from exceeding the ice-overburden pressure. The buried Mahomet bedrock-valley system near the distal end of the Lake Michigan Lobe could have drained enough subglacial water to substantially lower basal...
FIGURES | View All (7)
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p3
... traced downstream by water/oil wells, under several glacial drifts, northward and westward from Chillicothe, Ohio, to Indiana. The average gradient in this reach is northwest 0.9 ft/mi. Horberg and others carried this valley westward to the Mahomet buried drainage of Illinois. Discontinuities...
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Map showing the location of the wells sampled from the <b>Mahomet</b> bedrock vall...
Published: 01 July 2010
Figure 4. Map showing the location of the wells sampled from the Mahomet bedrock valley aquifer system. The contours are the potentiometric surface for the basal Mahomet aquifer (MA) ( Wilson et al., 1998 ). The Illinois plane coordinate system (divided by 1000) is shown at southernmost township
Journal Article
Journal: Geology
Published: 01 November 2004
Geology (2004) 32 (11): 953–956.
...: Environmental Science and Technology , v. 35 p. 2621 - 2626 . Catalano , J.G. , 1999 , Geochemical investigation into the source of natural arsenic contamination in the Mahomet valley aquifer, east-central Illinois [thesis] : Urbana-Champaign , University of Illinois , 43 p. Chapelle...
FIGURES | View All (4)
Journal Article
Published: 01 February 2015
Environmental and Engineering Geoscience (2015) 21 (1): 63–74.
... at http://library.isgs.uiuc.edu/Pubs/pdfs/circulars/c579.pdf . Stumpf A. J. Atkinson L. A. 2014 , Cross sections of the geology over the Mahomet Bedrock Valley in east-central Illinois. Ill State...
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Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p19
... Three transects were conducted across the main channel of the abandoned Teays River valley in Pike, Jackson, and Scioto Counties, Ohio, to evaluate the lithology and general stratigraphy of valley-fill deposits. Field observations obtained from both deep borings and surface excavations indicate...
Journal Article
Published: 07 June 2017
Canadian Journal of Earth Sciences (2018) 55 (7): 659–676.
... potential of the sediments infilling a deeply buried bedrock valley network centred beneath the Region of Waterloo and the counties of Brant and Hamilton–Wentworth are explored. The objectives of this study are to further refine valley location and geometry, understand infilling sediments...
FIGURES | View All (13)
Journal Article
Journal: GSA Bulletin
Published: 01 March 2014
GSA Bulletin (2014) 126 (3-4): 447–458.
...Patrick Lajeunesse Abstract The geomorphology, geometry, and sedimentary infill of buried gorges and V-shaped valleys observed at the base of major river valleys in the formerly glaciated southeastern Canadian Shield region have been revealed from excavation and drilling data acquired during...
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