Hindu Kush peak rises to about 17,000 feet.
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Hindu Kush Peak in Afghanistan
Hindu Kush peak rises to about 17,000 feet.
Lapis Lazuli
Rich blue Afghan lapis still intrigues visitors.
Rich blue Afghan lapis still intrigues visitors.
Diatom in Yellowstone Lake Spire
Diatom in spire from floor of Yellowstone Lake, Yellowstone National Park.
Diatom in spire from floor of Yellowstone Lake, Yellowstone National Park.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Yellowstone Lake Spire
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Spires from the floor of Yellowstone Lake appear to be composed of diatoms and silicified bacteria.
Dickite Clay Crystals
Secondary electron image of dickite clay crystals.
Secondary electron image of dickite clay crystals.
Firefighters in Smoke
Firefighters surrounded by clouds of smoke and dust of the World Trade Center after the terrorist attacks of September 11, 2001. Photographer's Mate 2nd Class Jim Watson, U.S. Navy.
Firefighters surrounded by clouds of smoke and dust of the World Trade Center after the terrorist attacks of September 11, 2001. Photographer's Mate 2nd Class Jim Watson, U.S. Navy.
Dr. Suzanne Nicholson in Isle Royale, 1996
Dr. Suzanne Nicholson in Isle Royale, 1996
Dr. Suzanne Nicholson in Isle Royale, 1996
Dr. Suzanne Nicholson in Isle Royale, 1996
Dr. Suzanne Nicholson in Isle Royale, 1996
Dr. Suzanne Nicholson in Isle Royale, 1996
Ahankashan Copper Gold
Series of aerial views from the copper-gold area near Herat. Dark red iron stains hint that other minerals might be found.
Series of aerial views from the copper-gold area near Herat. Dark red iron stains hint that other minerals might be found.
EON Geosciences Airplane
EON Geosciences airplane under contract to the USGS for low-level flights in Cedar Rapids/Waterloo, Iowa, area.
EON Geosciences airplane under contract to the USGS for low-level flights in Cedar Rapids/Waterloo, Iowa, area.
Climax Molybdenum Mine
Climax Molybdenum Mine, near Breckenridge, Colorado
Climax Molybdenum Mine, near Breckenridge, Colorado
Arches National Park
A few rock formations.
A few rock formations.
Arches National Park
Small Peekhole.
Devil's Tower
Devil's Tower.
Grand Canyon
Sun making shadows at the Grand Canyon.
Sun making shadows at the Grand Canyon.
Low-flying Research Helicopter
This low-level helicopter survey is designed to remotely study geologic units that lie below land surface. It is part of an ongoing USGS program to identify features such as changes in rock types, ultimately providing a better understanding of the geology and hydrology of the area.
This low-level helicopter survey is designed to remotely study geologic units that lie below land surface. It is part of an ongoing USGS program to identify features such as changes in rock types, ultimately providing a better understanding of the geology and hydrology of the area.
USGS Collaborates with Afghan Geologists to Research Afghan Mineral Formations
USGS scientists have worked closely with Afghan geologists, both to verify old Soviet and Afghan mineral research and to expand and enhance the total knowledge of Afghanistan's mineral wealth.
USGS scientists have worked closely with Afghan geologists, both to verify old Soviet and Afghan mineral research and to expand and enhance the total knowledge of Afghanistan's mineral wealth.
The Ivotuk Hills, Alaska North Slope, Viewed From Ivotuk Camp
Exposures of sedimentary rocks in the western Brooks Range, Alaska were evaluated for their contents of metals and phosphate and for their petroleum maturation histories to determine the potential for undiscovered resources in the southern National Petroleum Reserve Alaska.
Exposures of sedimentary rocks in the western Brooks Range, Alaska were evaluated for their contents of metals and phosphate and for their petroleum maturation histories to determine the potential for undiscovered resources in the southern National Petroleum Reserve Alaska.
Rare Platinum Nugget
Rare platinum nugget NMNH 73738 from the National Mineral Collection. Photo by Chip Clark, Smithsonian Institution. PGEs are essential for manufacturing computers, TVs, cell phones, and other portable electronic devices. They are found in hard drives, circuitry, and automobiles.
Rare platinum nugget NMNH 73738 from the National Mineral Collection. Photo by Chip Clark, Smithsonian Institution. PGEs are essential for manufacturing computers, TVs, cell phones, and other portable electronic devices. They are found in hard drives, circuitry, and automobiles.