Intensely altered propylitic rocks (red and yellow) in the Red Mountain mining district, overprinting the regional, propylitically altered igneous rocks (grayish-green), peaks at top of image. View to west.
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Red Mountain near Silverton, Colorado
Intensely altered propylitic rocks (red and yellow) in the Red Mountain mining district, overprinting the regional, propylitically altered igneous rocks (grayish-green), peaks at top of image. View to west.
Eudialyte and Bastnäsite Samples
Sample of eudialyte (pink) within layered vein consisting of quartz, albite, and sodic amphibole, Dora Bay, Alaska. Size of sample is 11 by 9 cm. Sample of coarse-grained, tabular bastnäsite within matrix of ferruginous dolomite, Birthday Claim, Mountain Pass, California. Photographs by Philip Verplanck, U.S. Geological Survey. SIR 2010-5070-J
Sample of eudialyte (pink) within layered vein consisting of quartz, albite, and sodic amphibole, Dora Bay, Alaska. Size of sample is 11 by 9 cm. Sample of coarse-grained, tabular bastnäsite within matrix of ferruginous dolomite, Birthday Claim, Mountain Pass, California. Photographs by Philip Verplanck, U.S. Geological Survey. SIR 2010-5070-J
Geologist and Helicopter
Geologist doing field work in Alaska
Geologist doing field work in Alaska
Energy
from usgs files
from usgs files
Methane Seeps along Offshore Virginia
Numerous distinct methane streams emanating from the seafloor at an upper slope (< 500 m water depth) cold seep site offshore Virginia. Image courtesy of NOAA Okeanos Explorer Program, 2013 Northeast U.S. Canyons Expedition.
Numerous distinct methane streams emanating from the seafloor at an upper slope (< 500 m water depth) cold seep site offshore Virginia. Image courtesy of NOAA Okeanos Explorer Program, 2013 Northeast U.S. Canyons Expedition.
Natural Gas Production Water Impoundment
A water impoundment at a natural gas drilling site in the Marcellus Shale gas play of southwestern Pennsylvania.
A water impoundment at a natural gas drilling site in the Marcellus Shale gas play of southwestern Pennsylvania.
Hydraulic Fracturing Drill Site
A typical drill pad in the Marcellus Shale gas play of southwestern Pennsylvania.
A typical drill pad in the Marcellus Shale gas play of southwestern Pennsylvania.
Marcellus Shale Drill Rig
A drill rig at a well site in the Marcellus Shale gas play of southwestern Pennsylvania.
A drill rig at a well site in the Marcellus Shale gas play of southwestern Pennsylvania.
Marcellus Shale Drill Rig
A drill rig at a well site in the Marcellus Shale gas play of southwestern Pennsylvania.
A drill rig at a well site in the Marcellus Shale gas play of southwestern Pennsylvania.
Natural Gas Flare Stack
A flare stack to burn excess natural gas at a natural gas drill site in the Marcellus Shale gas play of western Pennsylvania.
A flare stack to burn excess natural gas at a natural gas drill site in the Marcellus Shale gas play of western Pennsylvania.
Mallik Gas Hydrate Sample
A sample of gas hydrates collected from Mallik, Canada. Gas hydrates are naturally-occurring “ice-like” combinations of natural gas and water that have the potential to provide an immense resource of natural gas from the world’s oceans and polar regions.
A sample of gas hydrates collected from Mallik, Canada. Gas hydrates are naturally-occurring “ice-like” combinations of natural gas and water that have the potential to provide an immense resource of natural gas from the world’s oceans and polar regions.
Mallik Gas Hydrates Test Well
A test-well for collecting gas hydrates in Mallik, Canada. Gas hydrates are naturally-occurring “ice-like” combinations of natural gas and water that have the potential to provide an immense resource of natural gas from the world’s oceans and polar regions.
A test-well for collecting gas hydrates in Mallik, Canada. Gas hydrates are naturally-occurring “ice-like” combinations of natural gas and water that have the potential to provide an immense resource of natural gas from the world’s oceans and polar regions.
Fayetteville Shale Drill Rig
A drill rig in the Fayetteville Shale gas play of Arkansas.
A drill rig in the Fayetteville Shale gas play of Arkansas.
Hydraulic Fracturing Operation Underway
A hydraulic fracturing operation is underway at this drilling pad in the Marcellus Shale gas play of southwestern Pennsylvania.
A hydraulic fracturing operation is underway at this drilling pad in the Marcellus Shale gas play of southwestern Pennsylvania.
Hydraulic Fracturing Sand
Fine-grained silica sand is mixed with chemicals and water before being pumped into rock formations to prevent the newly created artificial fractures from closing after hydraulic fracturing is completed.
Fine-grained silica sand is mixed with chemicals and water before being pumped into rock formations to prevent the newly created artificial fractures from closing after hydraulic fracturing is completed.
Hydraulic Fracturing Well Heads
Well heads hooked up in preparation for a hydraulic fracturing operation at a drill pad in the Fayetteville Shale gas play of Arkansas.
Well heads hooked up in preparation for a hydraulic fracturing operation at a drill pad in the Fayetteville Shale gas play of Arkansas.
Perforating Gun for Hydraulic Fracturing
Unused and spent perforating gun used in oil and gas drilling and hydraulic fracturing. The pipe on the bottom left, shows holes created by the explosive charges mounted inside the pipe.
Unused and spent perforating gun used in oil and gas drilling and hydraulic fracturing. The pipe on the bottom left, shows holes created by the explosive charges mounted inside the pipe.
Steel Pipe for a Gas Well
Steel pipe used in a well in the Marcellus Shale gas play of southwestern Pennsylvania.
Steel pipe used in a well in the Marcellus Shale gas play of southwestern Pennsylvania.
Natural Gas Development Water Impoundment
A water impoundment at a drill pad in the Fayetteville Shale gas play of Arkansas.
A water impoundment at a drill pad in the Fayetteville Shale gas play of Arkansas.
Withdrawing Water for Hydraulic Fracturing
Equipment set up to pump water from a lake to an impoundment for hydraulic fracturing in the Fayetteville Shale of Arkansas.
Equipment set up to pump water from a lake to an impoundment for hydraulic fracturing in the Fayetteville Shale of Arkansas.
Bakken Drilling
Bakken drilling and completion activities at a well along Interstate-94, 6 miles east of Belfield, North Dakota.
Bakken drilling and completion activities at a well along Interstate-94, 6 miles east of Belfield, North Dakota.