Joshua H Long

Joshua Long is a Research Geologist (Mendenhall Postdoctoral Fellow) with the USGS Geology, Energy & Minerals (GEM) Science Center in Reston, VA.


Josh’s research is focused on the sedimentology and stratigraphy of ancient to modern siliciclastic depositional systems utilizing core, outcrop, seismic, and surface data. His current USGS research is focused on the late Cretaceous and Cenozoic Brookian strata of the western and central North Slope and Beaufort Shelf in support of the Alaska Petroleum Systems project.


  • Ph.D. Marine Science, Coastal Carolina University, 2020. Dissertation: Studies of Quaternary Depositional Systems of the Coastal Plain and Inner Continental Shelf along the Georgia Bight: South Carolina and Georgia, USA
  • M.S. Geology, Northern Arizona University, 2008. Thesis: Architectural and Stratigraphic Analysis of Lower Jurassic Kayenta Formation, Northeastern Arizona, USA
  • B.S. Geology, University of Maryland, College Park, 2004. Undergraduate Research: Fluvial to Lacustrine Transition Zones within the Passaic Formation, Newark Basin: The Role of Anastomosed Fluvial Depositional Systems 

Work Experience

  • 2020-present: Research Geologist (Mendenhall Fellow) USGS, Alaskan Petroleum Systems
  • 2015-2016: Geologist ConocoPhillips, Subsurface Technology
  • 2012-2015: Geologist, ConocoPhillips, Alaska Exploration
  • 2010-2012: Geologist, ConocoPhillips, L48 Unconventional Exploration
  • 2008-2010: Geologist, Permian Basin Development
  • 2007: Geology Intern, ConocoPhillips Permian Basin Development

Professional Affiliations

  • American Association of Petroleum Geologists (AAPG)
  • Alaska Geological Society (AGS)
  • American Geophysical Union (AGU)
  • Coastal Education and Research Foundation (CERF)
  • International Association of Sedimentologists (IAS)
  • Society for Sedimentary Geology (SEPM)