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Federal
Geology of the Grandfather Mountain Window and Vicinity, North Carolina and Tennessee
Department of the Interior —
The Blue Ridge belt in northwestern North Carolina and northeastern Tennessee is composed chiefly of 1,000-million to 1,100-million-year-old metamorphic and plutonic... -
Federal
Long-term precipitation reduction experiment in the Colorado Plateau - Survival and mortality data from 2010 to 2018
Department of the Interior —
From 2011-2018 USGS biologists recorded vegetation and biological soil crust (BSC) cover by species and tracked survival of tagged individual plants (388 in total)... -
Federal
Fault data collected between 1996 and 2019 from the Buffalo River watershed area, northern Arkansas
Department of the Interior —
Information on the locations and characteristics of faults were collected while conducting fieldwork between 1996 and 2019 in support of geologic mapping in the... -
Federal
Nanoscale Molecular Fractionation of Organic Matter within Unconventional Petroleum Source Beds (2019)
Department of the Interior —
Fractionation of petroleum during migration through sedimentary rock matrices has been observed across lengths of meters to kilometers. Selective adsorption of... -
Federal
Feature dataset GeologicMap, part of Geologic Map of Northeasternmost Tennessee, and Adjacent Parts of Virginia and North Carolina
Department of the Interior —
The geology of an area of 660 square miles mostly in the northeastern corner of Tennessee and small adjacent areas in Virginia and North Carolina is the subject of... -
Federal
Total neutron scattering of methane in Niobrara Formation samples at the wet-gas maturity level
Department of the Interior —
Petroleum within unconventional source-rock reservoirs is hosted in organic matter and mineral pore space as well as in voids and microfractures. Recent work has... -
Federal
Bitumen Reflectance Data from the Tattoo Well in the Horn River Basin, Sample E200205
Department of the Interior —
Bitumen reflectance data from a sample collected from the vertical EOG TATTOO D129 A28-F/094-O-10 ("Tattoo") well in the Horn River Basin, as part of the collection... -
Federal
Sample mounting for organic petrology: no thermal effects from transient exposure to elevated temperatures (2019)
Department of the Interior —
For sample mounting, organic petrology laboratories typically use cold-setting epoxy-resin (e.g., 40°C, used by Oklahoma Geological Survey, OGS) or heat-setting... -
Federal
Nanoscale Molecular Composition of Solid Bitumen from the Eagle Ford Group Across a Natural Thermal Maturity Gradient
Department of the Interior —
Solid bitumen is a petrographically-defined secondary organic matter residue produced during petroleum generation and subsequent oil transformation. The presence of... -
Federal
Testing reproducibility of vitrinite and solid bitumen reflectance measurements in North American unconventional petroleum systems (2019)
Department of the Interior —
To test reproducibility of vitrinite and solid bitumen reflectance measurements in mudrocks, an interlaboratory study (ILS) was conducted using six samples from... -
Federal
Atomic Force Microscopy-based Infrared Spectroscopy Data within Immature Eagle Ford Shale at the Nanometer-scale
Department of the Interior —
The nanoscale molecular composition of kerogen is a challenging parameter to characterize given the chemical and structural complexity exhibited by this important... -
Federal
Strain induced molecular heterogeneity in ancient sedimentary organic matter mapped at nanoscales using optical photothermal infrared spectroscopy
Department of the Interior —
Here we report ultra-high resolution infrared mapping of organic matter functional group distribution in Tasmanites (algal microfossils) from the Upper Devonian Ohio... -
Federal
Results from geochemical and mineralogical characterization of Boquillas Shale geochemical reference material ShBOQ-1
Department of the Interior —
This data release accompanies a Fact Sheet on the ShBOQ-1 geochemical reference material (Birdwell and Wilson, 2021). Average and standard deviations reported in the... -
Federal
Microbiology of the Utica Shale
Department of the Interior —
In order to determine the innate microbial community of shale gas reservoirs and how they are impacted by hydraulic fracturing, this study analyzed biomass collected... -
Federal
Reflectance, Raman band separation and Mean multivariant curve resolution (MCR) in organic matter in Boquillas Shale
Department of the Interior —
The molecular composition of petroliferous organic matter and its composition evolution throughout thermal advance are key to understanding and insight into petroleum... -
Federal
High Microscale Variability in Raman Thermal Maturity Estimates from Shale Organic Matter - Data Release
Department of the Interior —
Here the spatial variation in Raman estimates of thermal maturity within individual organic domains from several shale geologic reference materials originating from... -
Federal
Vegetation cover, ground cover, plant mortality, and species abundance across an experimental drought treatment on the Colorado Plateau from 2010-2022
Department of the Interior —
These data were compiled to assess the response of vegetation and biological soil crusts to drought in a semi-arid ecosystem on the Colorado Plateau near Moab, Utah.... -
Federal
Mercury injection capillary pressure data in the U.S. Gulf Coast Tuscaloosa Group in Mississippi and Louisiana collected 2015 to 2017
Department of the Interior —
This data release contains mercury injection capillary pressure (MICP), pseudo-wetting saturation, and carbon dioxide (CO2) column height data for subsurface... -
Federal
Database for the geologic map of the Great Smoky Mountains National Park region, Tennessee and North Carolina
Department of the Interior —
The geologic map database of the Great Smoky Mountains National Park region of Tennessee and North Carolina is a result from studies from 1993 to 2003 as part of a...