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Press Releases, Technical Announcements, Publications, Field Reports, and Science Highlights.

 
 

Wednesday, March 15, 2017

Notice of Data Quality Issue for the Inorganic Section of the Energy Geochemistry Laboratory, and Closure of the Inorganic Section (Program Update, March 10, 2017)

We have completed an evaluation of impacts to publications from the second data quality incident (2008-2014). We have reviewed several project areas for potentially affected publications, and the results of this review are available.

Tuesday, December 20, 2016

USGS Releases New Standards for Natural Gas

Technical Announcement  
Scientists, resource managers, and industry have new natural gas standards available, courtesy of the U.S. Geological Survey. These reference gases are the replacement for the prior standards maintained by the U.S. National Institute of Standards and Technology.


Wednesday, September 28, 2016

Notice of Data Quality Issue for the Inorganic Section of the Energy Geochemistry Laboratory, and Closure of the Inorganic Section (Program Update, September 30, 2016)

An update on the actions taken by the USGS Energy Resources Program in response to the Data Quality Issue for the Inorganic Section of the Energy Geochemistry Laboratory.


Wednesday, June 29, 2016

Carbon and oxygen isotopic composition of coal and carbon dioxide derived from laboratory coal combustion: A preliminary study

Outside Publication: International Journal of Coal Geology
The concentration of carbon dioxide (CO2) in the atmosphere has dramatically increased from the start of the industrial revolution in the mid-1700s to present levels exceeding 400 ppm. Carbon dioxide derived from fossil fuel combustion is a greenhouse gas and a major contributor to...

Wednesday, October 01, 2014

Evidence for a palaeo-oil column and alteration of residual oil in a gas-condensate field: Integrated oil inclusion and experimental results

Outside Publication: Geochimica et Cosmochimica Acta
In the Phuong Dong gas condensate field, Cuu Long Basin, Vietnam, hydrocarbon inclusions in quartz trapped a variety of petroleum fluids in the gas zone. Based on the attributes of the oil inclusion assemblages (fluorescence colour of the oil, bubble size, presence of bitumen), the presence of a palaeo-oil column is inferred prior to migration of gas into the reservoir. When a palaeo-oil column is displaced by gas, a residual volume fraction of oil remains in pores....


Thursday, August 07, 2014

Powder X-Ray Diffraction Laboratory, Reston, Virginia

USGS Publication: Fact Sheet 2014-3063
The powder x-ray diffraction (XRD) laboratory is managed jointly by the Eastern Mineral and Environmental Resources and Eastern Energy Resources Science Centers. Laboratory scientists collaborate on a wide variety of research problems involving other U.S. Geological Survey (USGS) science centers and government agencies, universities, and industry. Capabilities include identification and quantification of crystalline and amorphous phases, and crystallographic and atomic structure analysis for a wide variety of sample media...


Thursday, September 27, 2012

Database of the United States Coal Pellet Collection of the U.S. Geological Survey Organic Petrology Laboratory

USGS Publication: Open-File Report 2012–1151
The Organic Petrology Laboratory (OPL) of the U.S. Geological Survey (USGS) Eastern Energy Resources Science Center in Reston, Virginia, contains several thousand processed coal sample materials that were loosely organized in laboratory drawers for the past several decades. 


Monday, June 25, 2012

234U/238U isotope data from groundwater and solid-phase leachate samples near Tuba City Open Dump, Tuba City, Arizona

USGS Publication: Open-File Report 2012–1126
This report releases 234U/238U isotope data, expressed as activity ratios, and uranium concentration data from analyses completed at Northern Arizona University for groundwater and solid-phase leachate samples that were collected in and around Tuba City Open Dump, Tuba City, Arizona, in 2008.


Tuesday, May 01, 2012

Minor element distribution in iron disulfides in coal

A geochemical review

Outside Publication: International Journal of Coal Geology
Electron beam microanalysis of coal samples in U.S. Geological Survey labs confirms that arsenic is the most abundant minor constituent in iron disulfides in coal and that selenium, nickel, and other minor constituents are present less commonly and at lower concentrations than those for arsenic.


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Page Last Modified: Wednesday, December 03, 2014