FIELD PHOTOS

Collecting samples of tuff near Cerro Tuzgle Volcano. Jujuy, Argentina.

Collecting samples of tuff near Cerro Tuzgle Volcano. Jujuy, Argentina.

Large spodumene crystals in the Aclare Pegmatite, Ireland.

Large spodumene crystals in the Aclare Pegmatite, Ireland.

Intracaldera Tuff of Leslie Gulch with Mahogany Mountain in the background. Lake Owyhee Volcanic Field, Oregon.
One of sixteen ~2-km-long evaporation ponds at the MineraExar Cauchari-Olaroz lithium brine project. Jujuy, Argentina.

One of sixteen ~2-km-long evaporation ponds at the MineraExar Cauchari-Olaroz lithium brine project. Jujuy, Argentina.

A winter (mid-day) sunset over the Svartsengi geothermal power plant, Iceland.

A winter (mid-day) sunset over the Svartsengi geothermal power plant, Iceland.

Collecting tuff samples in Catamarca, Argentina with Ariel Bregman of MineraExar.

Collecting tuff samples in Catamarca, Argentina with Ariel Bregman of MineraExar.

Tom's Ph.D. advisor, Gail Mahood, on the Owyhee River, Oregon.
Intracaldera Tuff of Leslie Gulch within the Rooster Comb Caldera. Lake Owyhee Volcanic Field, Oregon.
Metamorphic andalusite crystals at the contact of the Leinster Granite with Ordovician metasediments. Killiney, Ireland.

Metamorphic andalusite crystals at the contact of the Leinster Granite with Ordovician metasediments. Killiney, Ireland.

Tom and his PhD advisor, Gail Mahood, examining ignimbrite exposed at the Honeycombs. Lake Owyhee Volcanic Field, Oregon.
Flow foliation in a pre-caldera rhyolite lava of the Rooster Comb Caldera. Lake Owyhee Volcanic Field, Oregon.
When field work requires you to ford a river. Lake Owyhee Volcanic Field, Oregon.
Large plagioclase laths within the Steens Basalt. Pueblo Mountains, Oregon.
Sucker Creek Formation and overlying McIntyre Ridge rhyolite lava. Succor Creek State Park, Oregon.
Traffic assistance in the Salar de Pastos Grandes, Argentina.

Traffic assistance in the Salar de Pastos Grandes, Argentina.

Relaxing on the Owyhee River after a long day in the field. Lake Owyhee Volcanic Field, Oregon.
Intracaldera Tuff of Leslie Gulch crosscut by post-caldera rhyolite dikes. Rooster Comb Caldera, Lake Owyhee Volcanic Field, Oregon.
Looking at tuffs interbedded in Steens Basalt. Pueblo Mountains, Oregon.
Wild horses keeping geologists company. High Rock Caldera Complex, Nevada.
Driving across the Alvord Desert as the sun sets over Steens Mountain. Fields, Oregon.
360 degrees of volcanoes = a happy volcanologist. Atacama, Chile.

360 degrees of volcanoes = a happy volcanologist. Atacama, Chile.

Miocene leaf fossils in the Trout Creek Formation. Whitehorse, Oregon.
Welding zonation within the Tuff of Whitehorse Creek. Whitehorse, Oregon.
Glacial striations in Oligocene granite. Macusani, Peru.

Glacial striations in Oligocene granite. Macusani, Peru.

Debris flow atop basinal sediments. Hawks Valley, Oregon.
Vertical flow foliations in a rhyolite lava in Whitehorse Canyon. Whitehorse, Oregon.
A lone flamingo in the Chilean Andes. Atacama, Chile.

A lone flamingo in the Chilean Andes. Atacama, Chile.

Stanford undergraduate Emily Williams ('16) resting after climbing up Calavera Canyon. McDermitt, Nevada.
Borate mining at the Salinas Grandes salar, Jujuy, Argentina.

Borate mining at the Salinas Grandes salar, Jujuy, Argentina.

Inspecting tuff near Licancabur Volcano. Atacama, Chile.

Inspecting tuff near Licancabur Volcano. Atacama, Chile.

Viti Crater, Askja Caldera, Iceland.

Viti Crater, Askja Caldera, Iceland.

Tom's Ph.D. advisor, Gail Mahood, and her dogs examining Miocene basinal sediments and looking for mice. Oregon End Table, Oregon.
Serendipitous geocache. Bloody Run Peak, Nevada.
Rheomorphism in the Tuff of Long Ridge. Whitehorse, Oregon.
Collecting samples near a U-Hg prospect in Winter. Buff Peak, Nevada.
A photogenic alpaca. Lascar Volcano, Chile.

A photogenic alpaca. Lascar Volcano, Chile.

Desert geology. Owyhee Plateau, Oregon-Nevada Border.