{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["019:20"], "contactPoint": {"@type": "vcard:Contact", "fn": "Yu-Feng Lin", "hasEmail": "mailto:yflin@illinois.edu"}, "dataQuality": true, "description": "Studies of chemical composition of natural brines from rock formations in the Illinois Basin as part of the University of Illinois deep direct-use feasibility study.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstractDetail/abstract_id/9051/report/F", "description": "This study was undertaken to achieve an overarching goal of protecting underground sources of drinking water from potential threats from geological carbon sequestration in deep saline aquifers. Basic data for the Illinois Basin were compiled and generated in three areas: geology/hydrogeology, geochemistry, and natural saline discharges.", "format": "HTML", "mediaType": "text/html", "title": "Protecting Drinking Water during Geologic Carbon Sequestration"}, {"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.1016/j.gca.2013.08.021", "description": "Brine samples from the Cambrian-age Mount Simon Formation (the deepest, most inaccessible sedimentary rock formation of the Illinois Basin)  were collected and analyzed.", "format": "021", "mediaType": "application/octet-stream", "title": "Formation Waters from Cambrian-Age Strata in Illinois Basin"}, {"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.1016/j.gca.2015.06.013", "description": "This investigation reports on the oxygen isotopic (delta 18O) and hydrogen isotopic (delta D) compositions and activity values, 87Sr/86Sr ratios and Sr concentrations, and major ion concentrations of the Cambrian-hosted brines of the Mt. Simon Sandstone and Ironton-Galesville Formation and discusses the evolution of these brines as they relate to other intracontinental brines. Brines in the Illinois Basin are dominated by Na-Ca-Cl-type chemistry.", "format": "013", "mediaType": "application/octet-stream", "title": "Isotopic and Geochemical Characterization of Fossil Brines"}, {"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.1111/gwat.12545", "description": "This study developed, for the first time, a representation of the hydrogeology of the Illinois Basin on a basin-wide scale. A conceptual model was constructed for basin-wide scale recharge into, groundwater flow within and through the Illinois Basin.", "format": "12545", "mediaType": "application/octet-stream", "title": "Recharge and Groundwater Flow within an Intracratonic Basin"}, {"@type": "dcat:Distribution", "accessURL": "https://www.ideals.illinois.edu/items/42681", "description": "Study of the chemical composition of natural brines from rocks in the oil fields of Illinois.", "format": "HTML", "mediaType": "text/html", "title": "Geologic Occurrence and Chemical Composition of Illinois Oil-Field Brines"}, {"@type": "dcat:Distribution", "accessURL": "https://www.ideals.illinois.edu/items/50213", "description": "The salinity in the Mt. Simon Sandstone was measured across Illinois and Indiana.", "format": "HTML", "mediaType": "text/html", "title": "Groundwater Salinity within the Mt. Simon Sandstone"}], "identifier": "https://data.openei.org/submissions/8347", "issued": "2018-04-23T06:00:00Z", "keyword": ["DDU", "Deep Direct-Use", "Illinois Basin", "University of Illinois", "aquifer", "brines", "chemistry", "energy", "fluid", "geothermal", "groundwater", "potable water", "recharge"], "landingPage": "https://gdr.openei.org/submissions/1063", "license": "https://creativecommons.org/licenses/by/4.0/", "modified": "2025-07-07T16:43:39Z", "programCode": ["019:006"], "projectLead": "Arlene Anderson", "projectNumber": "EE0008106", "projectTitle": "Geothermal Heat Recovery Complex: Large-scale, Deep Direct-Use System in a Low-Temperature Sedimentary Basin", "publisher": {"@type": "org:Organization", "name": "University of Illinois"}, "spatial": "{\"type\":\"Polygon\",\"coordinates\":[[[-91.61348125,35.87143368606],[-84.7691,35.87143368606],[-84.7691,41.930281512705],[-91.61348125,41.930281512705],[-91.61348125,35.87143368606]]]}", "title": "University of Illinois Campus Deep Direct-Use Feasibility Study - Chemistry of Formation Waters"}