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Inductively coupled plasma - optical emission spectrometry (ICP-OES) analysis data compiled using sample preparation procedures outlined by ASTM D2013/D2013M-18 and ASTM D6357, and using two independent sets of element standards for instrument calibration. Additional analysis methodologies are described in detail in the resulting publication Rare earth elements and yttrium in Pennsylvanian coals and shales in the eastern part of the Illinois Basin (Mastalerz et al., 2020).
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This dataset represents sedimentary basins associated with the U.S. Energy Information Administration (EIA) shale plays as of May 6, 2011. A play is a set of known or postulated oil and gas accumulations sharing similar geologic, geographic, and temporal properties, such as source rock, migration pathway, timing, trapping mechanism, and hydrocarbon type. A play is often used to refer to a natural gas accumulation; in this case a natural gas shale play. Shale gas is produced from wells that are open to shale formations. Shale is a fine-grained, sedimentary rock composed of mud from flakes of clay minerals and tiny fragments (silt-sized particles) of other materials. Land containing shale are susceptible to hyrdaulic...


    map background search result map search result map Shale Basins, Northeast Rare earth elements in Pennsylvanian coals and shales in Indiana Rare earth elements in Pennsylvanian coals and shales in Indiana Shale Basins, Northeast