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Fixed-wing UAS training at Denver Federal Center, January 2024
Fixed-wing UAS training at Denver Federal Center, January 2024
Fixed-wing UAS training at Denver Federal Center, January 2024
Fixed-wing UAS training at Denver Federal Center, January 2024

In January 2024, Joe Adams of the USGS National Uncrewed Systems Office led an A-454 aviation training course at the Denver Federal Center in Lakewood, Colorado.

Geologist examines deformed rocks of a Proterozoic shear zone
Deformed rocks of a Proterozoic shear zone
Deformed rocks of a Proterozoic shear zone
Deformed rocks of a Proterozoic shear zone

Geologist Michael Frothingham observes strongly deformed rocks of a Proterozoic shear zone in the Medicine Bow Mountains (Wyoming, USA).

View of Panamint Mountains across Death Valley showing salt lake playa and alluvial fans
Death Valley, California
Death Valley, California
Death Valley, California

View to the west across Death Valley (California, USA) to the Panamint Mountains. Alluvial fans (foreground) and the salt lake playa of the Badwater basin (middle ground) occupy the basin floor.

View to the west across Death Valley (California, USA) to the Panamint Mountains. Alluvial fans (foreground) and the salt lake playa of the Badwater basin (middle ground) occupy the basin floor.

Photomigrograph photo of branching bunches of calcite filaments
Branching bunches of calcite filaments
Branching bunches of calcite filaments
Branching bunches of calcite filaments

Photomigrograph (cross-polarized light) showing branching bunches of calcite filaments grown from algal mats in spring-discharge tufas of Cold Creek Spring (Las Vegas region, Nevada, USA). 

Photomigrograph (cross-polarized light) showing branching bunches of calcite filaments grown from algal mats in spring-discharge tufas of Cold Creek Spring (Las Vegas region, Nevada, USA). 

Landscape photo of Geologist standing over fluvial sandstone in Nevada
Fluvial sandstones of the Upper Triassic Chinle Formation
Fluvial sandstones of the Upper Triassic Chinle Formation
Fluvial sandstones of the Upper Triassic Chinle Formation

Research Geologist A. Kate Souders samples fluvial sandstones of the Upper Triassic Chinle Formation (eastern Nevada, USA). 

Geologist at the base of volcanic rocks in the Death Valley region
Middle Cenozoic volcaniclastic rocks of the Death Valley region
Middle Cenozoic volcaniclastic rocks of the Death Valley region
Middle Cenozoic volcaniclastic rocks of the Death Valley region

Research Geologist A. Kate Souders investigates complexly deformed, middle Cenozoic volcaniclastic rocks of the Death Valley region (California, USA).

Geologist, standing on a fluvial deposit, makes observations in a field book
Fluvial deposits of the Paleocene Raton Formation
Fluvial deposits of the Paleocene Raton Formation
Fluvial deposits of the Paleocene Raton Formation

Research Geologist Marieke Dechesne describes fluvial deposits of the Paleocene Raton Formation (Raton Basin, Colorado, USA). 

The moon in the sky above the Great Unconformity within the Colorado National Monument
The Great Unconformity, Colorado National Monument
The Great Unconformity, Colorado National Monument
The Great Unconformity, Colorado National Monument

The moon sets over an exposure of the Great Unconformity within the Colorado National Monument (Colorado, USA). At this location, Paleoproterozoic granite (foreground) is unconformably overlain by the Upper Triassic Chinle Formation.

The moon sets over an exposure of the Great Unconformity within the Colorado National Monument (Colorado, USA). At this location, Paleoproterozoic granite (foreground) is unconformably overlain by the Upper Triassic Chinle Formation.

Sunset at Little Molas Lake, Colorado
Sunset at Little Molas Lake, Colorado
Sunset at Little Molas Lake, Colorado
Sunset at Little Molas Lake, Colorado

Sunset view across Little Molas Lake, an alpine glacial lake on the west side of the Animas River Valley (San Juan Mountains, Colorado, USA).

Sunset view across Little Molas Lake, an alpine glacial lake on the west side of the Animas River Valley (San Juan Mountains, Colorado, USA).

Cropsy Mountain in the San Juan Mountains, Colorado
Cropsy Mountain
Cropsy Mountain
Cropsy Mountain

The flat-lying rhyolite of Cropsy Mountain overlies the hydrothermally altered Summitville Andesite (San Juan Mountains, Colorado, USA). 

The flat-lying rhyolite of Cropsy Mountain overlies the hydrothermally altered Summitville Andesite (San Juan Mountains, Colorado, USA). 

Geologist sitting and taking notes in the Death Valley region
Cenozoic sedimentary rocks of Bat Mountain
Cenozoic sedimentary rocks of Bat Mountain
Cenozoic sedimentary rocks of Bat Mountain

Research Geologist Theresa Schwartz takes field notes about the Cenozoic sedimentary rocks of Bat Mountain (Death Valley region, California, USA).

Geologists inspecting geologic hazards along the Hines Creek fault system, Denali National Park
Gravel deposits and associated geologic hazards along the Hines Creek fault system, Denali National Park
Gravel deposits and associated geologic hazards along the Hines Creek fault system, Denali National Park
Gravel deposits and associated geologic hazards along the Hines Creek fault system, Denali National Park

Intermountain West Project members Adam Hudson and Michael Frothingham, in collaboration with National Park Service archaeologist Patrick Fristoe, inspect gravel deposits and associated geologic hazards along the Hines Creek fault system, Denali National Park (Alaska, USA).

Geologists collecting sediment for geochemical analysis
Collecting sediment for geochemical analysis
Collecting sediment for geochemical analysis
Collecting sediment for geochemical analysis

In an effort to better understand the effects of abandoned mine lands on natural resources, Research Geologists Margaret Berry and Adam Hudson collect samples of ancestral Animas River sediment for geochemical analysis (Durango, Colorado, USA).

In an effort to better understand the effects of abandoned mine lands on natural resources, Research Geologists Margaret Berry and Adam Hudson collect samples of ancestral Animas River sediment for geochemical analysis (Durango, Colorado, USA).

Geologist walks up mountain over carbonate rocks Humboldt Range, Nevada
Carbonate rocks, northern Humboldt Range, Nevada
Carbonate rocks, northern Humboldt Range, Nevada
Carbonate rocks, northern Humboldt Range, Nevada

Research Geologist Amy Gilmer walks over carbonate rocks of the Upper Triassic Star Peak Group (northern Humboldt Range, Nevada, USA).

Geologist standing next to shoreface deposits in New Mexico
Mineral-bearing shoreface deposits in the Upper Cretaceous Trinidad Sandstone
Mineral-bearing shoreface deposits in the Upper Cretaceous Trinidad Sandstone
Mineral-bearing shoreface deposits in the Upper Cretaceous Trinidad Sandstone

Research Geologist Marieke Dechesne investigates heavy mineral-bearing shoreface deposits in the Upper Cretaceous Trinidad Sandstone (Raton Basin, New Mexico, USA).

Landscape photo with Joshua tree in foreground
Joshua trees near Las Vegas
Joshua trees near Las Vegas
Joshua trees near Las Vegas

Joshua trees (Yucca brevifolia) grow on middle Cenozoic sedimentary rocks of the Las Vegas region (southern Nevada, USA).  

Joshua trees (Yucca brevifolia) grow on middle Cenozoic sedimentary rocks of the Las Vegas region (southern Nevada, USA).  

Geologists  inspect young aeolian deposits of the San Juan River corridor in Bluff, Utah
Aeolian deposits of the San Juan River corridor
Aeolian deposits of the San Juan River corridor
Aeolian deposits of the San Juan River corridor

Intermountain West Project members Adam Hudson and Michael Frothingham inspect young aeolian deposits of the San Juan River corridor (Bluff, Utah, USA). 

Intermountain West Project members Adam Hudson and Michael Frothingham inspect young aeolian deposits of the San Juan River corridor (Bluff, Utah, USA). 

Geologists discuss Oligocene-Miocene Troublesome outcrop near Kremmling, Colorado
Oligocene-Miocene Troublesome outcrop
Oligocene-Miocene Troublesome outcrop
Oligocene-Miocene Troublesome outcrop

Intermountain West Project members discuss an outcrop of the Oligocene-Miocene Troublesome Formation (near Kremmling, Colorado, USA).

Photo of East Red Mountain, Colorado
East Red Mountain in the Grizzly Peak caldera, Colorado
East Red Mountain in the Grizzly Peak caldera, Colorado
East Red Mountain in the Grizzly Peak caldera, Colorado

Vivid red, orange, and yellow colors highlight hydrothermally altered rocks on East Red Mountain in the Grizzly Peak caldera (Sawatch Range, Colorado, USA).

Hiker walks over sedimentary rocks in Death Valley National Park
Sedimentary rocks in Death Valley National Park
Sedimentary rocks in Death Valley National Park
Sedimentary rocks in Death Valley National Park

Research Geologist Theresa Schwartz walks over Cenozoic sedimentary rocks in Death Valley National Park (California, USA).

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