Reston Electron Microbeam Laboratory


The Reston Electron Microbeam Laboratory is a multi-user facility that maintains and operates state-of-the art electron beam instruments to image and analyze micro-nanoscale properties. Lab staff along with providing instruction in the operation of microbeam instrumentation to lab users also conduct microbeam research on a variety of geologic topics.

Laboratory Usage Details

Laboratory Usage Details

The laboratory can be used by Federal, State, Local government agencies, universities, and private companies through interagency/fee-for-use agreements. Laboratory Staff can either train interested users on instrument applications/methods or samples:

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Year Published: 2020

Characterization of the unconventional Tuscaloosa marine shale reservoir in southwestern Mississippi, USA: Insights from optical and SEM petrography

This study presents new optical petrography and electron microscopy data, interpreted in the context of previously published petrophysical, geochemical, and mineralogical data, to further characterize the Tuscaloosa marine shale (TMS) as an unconventional reservoir in southwestern Mississippi. The basal high resistivity zone has a higher...

Lohr, Celeste D.; Valentine, Brett J.; Hackley, Paul C.; Dulong, Frank T.

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Year Published: 2019

Rare earth elements in coal and coal fly ash

The rare earth elements (REEs) are a group of 17 elements sharing similar chemical properties. They include yttrium (Y, atomic number 39), scandium (Sc, atomic number 21), and the 15 elements of the lanthanide series, atomic numbers 57 (lanthanum, La) to 71 (lutetium, Lu). Because promethium (Pm, atomic number 61) does not occur in the Earth’s...

Scott, Clint; Kolker, Allan
Scott, C., and Kolker, A., 2019, Rare earth elements in coal and coal fly ash: U.S. Geological Survey Fact Sheet 2019-3048, 4 p.,

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Year Published: 2019

Application of electron microscopy TEM and SEM for analysis of coals, organic-rich shales and carbonaceous matter

This paper provides a brief summary of the history, development and variety of applications of electron microscopy techniques to analyze coals, organic-rich shales, and carbonaceous materials. General construction and principles of operation of transmitted (TEM) and scanning electron microscope (SEM) are outlined, along with guidance on specimen...

Kwiecińska, B.; Valentine, Brett J.; Pusz, S.