1-20 OF 27 RESULTS FOR

Mahomet Aquifer

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
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)
Image
Figure 4. Concentrations of dihydrogen (H 2 ) and arsenic in <b>Mahomet</b> <b>aquife</b>...
in > Geology
Published: 01 November 2004
Figure 4. Concentrations of dihydrogen (H 2 ) and arsenic in Mahomet aquifer samples. Samples in group A have little methane, high concentrations of sulfate, and iron levels ranging from detection limit to 2.9 mg·L −1 . In samples from groups B and C, sulfate concentration is near or below
Series: GSA Special Papers
Published: 01 January 1991
DOI: 10.1130/SPE258-p91
... marker. The topographic expression of this pre-Woodfordian surface shows no evidence of the Mahomet Valley; it was completely buried by the end of the Illinoian. Aquifers associated with the Mahomet Bedrock Valley and the Ancient Mississippi Bedrock Valley to the west are the only highly productive...
Journal Article
Journal: Geology
Published: 01 November 2004
Geology (2004) 32 (11): 953-956.
...Figure 4. Concentrations of dihydrogen (H 2 ) and arsenic in Mahomet aquifer samples. Samples in group A have little methane, high concentrations of sulfate, and iron levels ranging from detection limit to 2.9 mg·L −1 . In samples from groups B and C, sulfate concentration is near or below...
FIGURES | View All (4)
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
Published: 01 February 2015
Environmental and Engineering Geoscience (2015) 21 (1): 63-74.
... Formation lithostratigraphic unit, fill buried channels that provide an important source of groundwater in east-central Illinois for areas that do not receive water from the Mahomet aquifer. Measurements of buried channels included width, maximum sediment thickness, area, and perimeter. Widths equated...
FIGURES | View All (9)
Journal Article
Journal: GSA Bulletin
Published: 01 June 2002
GSA Bulletin (2002) 114 (6): 665-674.
... eroded into Pennsylvanian and older rocks underlying glacial drift and filled with fluvial deposits that are the most extensive and productive sand and gravel aquifers in the southern three quarters of Illinois ( Kempton et al., 1991 ). The Mahomet bedrock valley is between 13 and 22 km wide, the width...
FIGURES | View All (7)
Image
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
Image
Cross section (D-B′) of the <b>Mahomet</b> bedrock valley 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
Published: 01 May 2014
Quarterly Journal of Engineering Geology and Hydrogeology (2014) 47 (2): 145-157.
... that distinct differences could be detected between attached and suspended archaeal communities in the Mahomet Aquifer, Illinois, and that sulphate concentration had a role in influencing the community structure. Eukaryotic microorganisms have also not been well studied, with the exception of some pathogens...
FIGURES
Journal Article
Published: 20 April 2018
Canadian Journal of Earth Sciences (2018) 55 (7): 677-708.
... younger sediment packages, Oak Ridges Moraine (channel and ridge sediment), Halton, and glaciolacustrine overlie this erosion surface. Significant regional aquifers are hosted within the LT. Upper Thorncliffe Formation sediments, north–south glaciofluvial channel–fan aquifers, are protected by overlying...
FIGURES | View All (12)
Image
Comparison of  14 C and CH 4  concentration in the confluence region;  r  2...
Published: 01 July 2010
Figure 14. Comparison of 14 C and CH 4 concentration in the confluence region; r 2 for the Sankoty Mahomet aquifer data is 0.9.
Journal Article
Published: 07 June 2017
Canadian Journal of Earth Sciences (2017) 55 (7): 659-676.
... and their hydrogeological properties, and characterize waters contained within the aquifers to inform future water management decisions. Results of a regional ground gravity survey were instrumental in locating buried bedrock valleys and guided follow-up drilling. Continuous sediment coring and monitoring well...
FIGURES | View All (13)
Journal Article
Journal: Geology
Published: 01 September 2008
Geology (2008) 36 (9): 739-742.
...-reducing bacteria, and a downgradient zone rich in methane that apparently hosts methanogens ( Chapelle and Lovley, 1992 ). In the Mahomet aquifer of east-central Illinois, as a second example, significant levels of natural arsenic contamination are found in water drawn from zones apparently dominated...
FIGURES | View All (5)
Image
Bedrock geology for the area of east-central Illinois containing the Mahome...
Published: 01 July 2010
Figure 3. Bedrock geology for the area of east-central Illinois containing the Mahomet aquifer. The Mahomet bedrock valley is outlined relative to the 500 ft elevation contour (modified from Kempton et al., 1991 ; Kolata et al., 2005 ). Ls—limestone.
Image
Figure 1. Variation with sulfate content of (A) arsenic, (B) iron, (C) meth...
in > Geology
Published: 01 November 2004
Figure 1. Variation with sulfate content of (A) arsenic, (B) iron, (C) methane, and (D) dihydrogen concentration in groundwater samples from Mahomet aquifer system (data from Table DR1; see footnote 1).
Image
Distribution of Cl –  concentrations for groundwater samples plotted geogra...
Published: 01 July 2010
Figure 6. Distribution of Cl – concentrations for groundwater samples plotted geographically across the Mahomet bedrock valley system. Different symbols are used for different regions of the Mahomet Valley. Closed symbols are samples from the Mahomet aquifer, while open symbols are from
Image
14 C activity of dissolved inorganic carbon (DIC) for samples taken from th...
Published: 01 July 2010
Figure 7. 14 C activity of dissolved inorganic carbon (DIC) for samples taken from the Mahomet bedrock valley system plotted geographically from west to east across the bedrock valley. Different symbols are used for different regions of the Mahomet Valley. Closed symbols are all from the Mahomet
Image
Surveyed control points for three study sites along the Middle Fork (MF) of...
Published: 01 February 2015
within Illinois (black square) and the extent of glaciers over the state during the Wisconsin (light tan) and Illinois (dark tan) Episode glaciations. The Illinois portion of the subsurface Mahomet Aquifer is shown in dark blue.