Images

Flow banding of Panum pumice and obsidian of the same composition.

Inline water-use flow meter being installed by Lower Mississippi-Gulf and Arkansas Natural Resources Commission staff

Frosted flatwoods salamander in St. Marks National Wildlife Refuge, Florida

Frosted flatwoods salamander, St. Marks National Wildlife Refuge, Florida

GeoGirls hike onto the Pumice Plain to learn more about Mount St. Helens’ historical

eruptions.

GeoGirls learn about how the May 18, 1980 eruption of Mount St. Helens impacted the ecology of the area.

Geogirls use computers in the field to track locations and annotate field photos.

Location of geophysical and sediment core data collected between 2009 and 2013, and used in the Mississippi Coastal Improvement Project (MsCIP) project.

Reports of golden eagle mortality linked to wind energy facilities are cause for concern especially when coupled with the knowledge that golden eagles move great distances between breeding and wintering areas. Mortalities at a particular wind energy facility can consequently affect breeding populations of golden eagles at local and continent-wide scales.

Grinnell Glacier (J Scurlock, 09/15/16) has retreated to the mostly shaded, upper confines of the basin.   

Grinnell Glacier, GNP - 2016 (terminus)

Hikers in Glacier National Park use the new USGS ScienceCache geocaching mobile application. This scientific geocaching mobile application framework consists of a website and app to help engage geo-cachers, youth, and scientists in citizen science.

Three-dimensional view of the Hosgri fault 45 meters below the seafloor, revealing fault strands (black), and potential paths along the fault that fluid could follow (green/blue). The other colors represent different geologic layers.

Invasive black and white tegu lizards (Salvator merianae). USGS is working on development of tools for the detection and capture of invasive reptiles in Florida.

Iron Reducing Bacteria
FeRB isolated using a roll bottle technique from the former Uranium Mine near Ronneburg, Germany, Photo credit: Denise Akob, USGS

Scientists sampling water and measuring streamflow in Keeley Creek, a stream in northern Minnesota that is in the vicinity of copper-nickel-platinum group element deposits. 

Kentucky Water Science Center Sediment Laboratory

Grass/shrub landscape with mountains in background. Taken as part of the Land-cover Trends Project field verification process.

South Carolina alligators occupy a patchwork of diverse habitats, including rivers, lakes, wooded swamps, tidal marshes, and impounded freshwater wetlands. As a mobile, opportunistic predator, alligators seasonally adjust their habitat use for feeding.

Coal is loaded into trucks at the Trapper Mine in northwest Colorado.

Cross-polarized light photomicrograph of minerals in drill core samples from the Local Boy deposit, Duluth Complex, Minnesota. The number in the upper right hand corner is the drill core number.