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Format
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Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Gabon (1)
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East Africa
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Mozambique
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North Africa (1)
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Sahel (1)
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Southern Africa
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South Africa
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Mpumalanga South Africa (1)
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Transvaal region (1)
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Western Cape Province South Africa (1)
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West Africa
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Animas River (1)
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Asia
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Arabian Peninsula
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Far East
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China
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Japan
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Korea
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Ontario
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developing countries (1)
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Southern Europe
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Wales (7)
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Northern Ireland (3)
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Mexico
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Mexico state
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North America
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Appalachians
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Great Lakes
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Rocky Mountains
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North Slope (1)
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Pacific Ocean
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West Pacific
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Brazil
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United States
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Arizona
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California
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Ventura County California (1)
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Canadian River (2)
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Colorado
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Boulder Colorado (1)
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Clear Creek County Colorado (2)
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Columbia Plateau (4)
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Delaware
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Kent County Delaware
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Dover Air Force Base (3)
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Eastern U.S.
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Northeastern U.S. (1)
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Florida
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Floridan Aquifer (2)
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Great Smoky Mountains (2)
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Idaho
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Ada County Idaho
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Idaho National Laboratory (2)
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Snake River plain (1)
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Valley County Idaho (1)
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Illinois
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Illinois Basin (1)
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Indiana
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Monroe County Indiana (1)
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Sullivan County Indiana (1)
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Kentucky
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Maryland
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Harford County Maryland
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Aberdeen Proving Ground (1)
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Prince Georges County Maryland (1)
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Michigan
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Michigan Lower Peninsula
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Michigan Upper Peninsula
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chlorine
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fluorine
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Primary terms
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Africa
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Tertiary
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Paleogene
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Mesozoic
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Jurassic
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Carmel Formation (1)
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Navajo Sandstone (1)
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Triassic
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Paleozoic
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Cambrian
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Devonian
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lower Paleozoic
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Ordovician
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Permian
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Lower Permian
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Silurian (1)
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petroleum
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coalbed methane (1)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
remediation
Leaching behaviour of arsenic in coal under the action of mine water Available to Purchase
Crystallographic insights into monovalent thallium incorporation: Exploring hydropyrochlore structure for environmental remediation Available to Purchase
Removal performance and adsorption behaviour on Mg-based adsorbents in As(III) and F simultaneous removal as in comparison with As(V) Available to Purchase
A new toolbox for managing sites affected by light non-aqueous phase liquids (LNAPLs) Open Access
India’s Biogeochemical Potential to Feed the Country and Stabilize the Climate Available to Purchase
The role of geology in developing places Available to Purchase
Microbial Mobilization and Reprecipitation of Transition Metals in Waste Rock from an Abandoned Pyrite Mine: Implications for Metal Recovery Available to Purchase
Assessing soil contamination by potentially toxic elements in artisanal and small-scale gold mining sites of the Adamawa Region, Cameroon Available to Purchase
A40 Brecon bypass landslide: investigation, remediation and asset management for climate resilience Available to Purchase
Adsorption of atrazine and paraquat on montmorillonite loaded with layered double hydroxide and active site energy distribution analysis Available to Purchase
UAV-based aeromagnetic surveys for orphaned well location: Emerging best practices Available to Purchase
Remediating the sky: the role of geoenvironmental engineers and applied geoscientists in geochemical carbon dioxide removal Open Access
Understanding contaminant transport in Chalk from petroleum hydrocarbon and chlorinated solvent contamination investigations Available to Purchase
Abstract The Chalk is a strategically important aquifer in the UK, but it is at risk of contamination, with impacts on abstractions, because of extensive outcrop. Assessments of the risk of contamination impacting water supply are commonly based on bulk aquifer parameters, usually reported for abstraction wells, and do not consider the macro- and micro-scale variation at the site and within the Chalk succession. The presence of less permeable layers is significant in restricting contaminant entry into the aquifer, pushing the contaminants into fractures and voids, where their flow is limited by density differences that cause hydrocarbons to smear into micro-fractures. Dense solvents flowing to depth are further impacted by the presence of lower permeability layers within the Chalk, while horizontal flow is affected by fractures and faults. Porewater concentrations of contaminants are limited, by pore throat size and limited connectivity, to low concentrations of the most soluble compounds, but are characterized by electron acceptors that are observed as reduced and oxidized species. The combination of macro- and micro-scale physical structures, combined with natural attenuation, means that initial risk assessments for hydrocarbons and solvents in Chalk can be highly conservative and should be supported by further targeted investigation.