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USGS Geologist Bradley Van Gosen studying uranium mineralization in the Southern High Plains of Texas
USGS Geologist Bradley Van Gosen studying uranium mineralization in the Southern High Plains of Texas
USGS Geologist Bradley Van Gosen studying uranium mineralization in the Southern High Plains of Texas
USGS Geologist Bradley Van Gosen studying uranium mineralization in the Southern High Plains of Texas

USGS Geologist Bradley Van Gosen studying uranium mineralization in the Southern High Plains of Texas. Photo by USGS geologist Susan Hall, Public Domain. Photo taken 10/28/2015

Image shows USGS scientists standing beside a drill rig in protective gear.
Moonlight over Night Drilling for the Eagle Ford
Moonlight over Night Drilling for the Eagle Ford
Moonlight over Night Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Black and White Night Drilling for the Eagle Ford
Black and White Night Drilling for the Eagle Ford
Black and White Night Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Night Drilling for the Eagle Ford
Night Drilling for the Eagle Ford
Night Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Night Drilling for the Eagle Ford
Night Drilling for the Eagle Ford
Night Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Moonrise over Night Drilling for the Eagle Ford
Moonrise over Night Drilling for the Eagle Ford
Moonrise over Night Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

A vehicle is shown at night, with its trunk open and floodlights on
Drilling at Night for the Eagle Ford
Drilling at Night for the Eagle Ford
Drilling at Night for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Drilling a Core for the Eagle Ford
Drilling a Core for the Eagle Ford
Drilling a Core for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows USGS scientists standing beside a drill rig in protective gear.
Core Drilling for the Eagle Ford
Core Drilling for the Eagle Ford
Core Drilling for the Eagle Ford

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

USGS scientists drilling a research core near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows a drill core in a box with cardboard dividers
Eagle Ford Drill Core
Eagle Ford Drill Core
Eagle Ford Drill Core

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows a drill core in a box with cardboard dividers
Eagle Ford Drill Core
Eagle Ford Drill Core
Eagle Ford Drill Core

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image shows a cross-section of a drill core, held in two gloved hands
Eagle Ford Drill Core
Eagle Ford Drill Core
Eagle Ford Drill Core

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

A drill core from near Waco, Texas. This core was drilled by USGS during field work for an oil and gas assessment for the Eagle Ford of the Gulf Coast Basins. Cores like these provide information on the various rock layers, such as their make-up, their age, etc.

Image: Oil Spill Mousse
Oil Spill Mousse
Oil Spill Mousse
Oil Spill Mousse

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Oil Spill Samples
Oil Spill Samples
Oil Spill Samples
Oil Spill Samples

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA. Each sample was placed in a glass jar detailing the date, time, and location it was discovered.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA. Each sample was placed in a glass jar detailing the date, time, and location it was discovered.

Image: Samples Undergo Liquid Chromatograph Column Analysis
Samples Undergo Liquid Chromatograph Column Analysis
Samples Undergo Liquid Chromatograph Column Analysis
Samples Undergo Liquid Chromatograph Column Analysis

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Evaporated Samples Are Re-Dissolved
Evaporated Samples Are Re-Dissolved
Evaporated Samples Are Re-Dissolved
Evaporated Samples Are Re-Dissolved

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Oil Spill Samples
Oil Spill Samples
Oil Spill Samples
Oil Spill Samples

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Samples Are Dissolved
Samples Are Dissolved
Samples Are Dissolved
Samples Are Dissolved

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Mass Spectrometer Analysis Results
Mass Spectrometer Analysis Results
Mass Spectrometer Analysis Results
Mass Spectrometer Analysis Results

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Samples Undergo Nitrogen Evaporation
Samples Undergo Nitrogen Evaporation
Samples Undergo Nitrogen Evaporation
Samples Undergo Nitrogen Evaporation

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

Image: Oil Spill Samples Arrive from Louisiana
Oil Spill Samples Arrive from Louisiana
Oil Spill Samples Arrive from Louisiana
Oil Spill Samples Arrive from Louisiana

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

On April 20, 2010, the Deepwater Horizon Drilling Platform exploded and sank, causing the largest oil spill yet recorded. Samples from the oil spill were collected by Louisiana USGS scientists Greg Swayze and Charlie Demas and sent for analysis in Menlo Park, CA.

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