Lahars and debris avalanches
Department
Description
One of a series of images with descriptions of igneous and volcanic geological features in field environments.
Subject
Volcan Cacao, Costa Rica
Monte Guardino, Lipari, Italy
Bear Valley formation, Markagunt Plateau, Utah
Chimney Rock, Absaroka Mountains, Wyoming
Mount St Helens, Washington
Izu Oshima, Japan
Johnston Ridge, Mount St. Helens
North Fork Toutle River, Mount St. Helens
Momella Lakes, Tanzania
Shasta Dam, California
Salers, Cantal volcano, France
Espinouze, Cantal, France
Chaos Jumbles, Lassen Peak National Park, California
Volcanic rocks
Igneous rocks
Field geology
Volcanology
Debris avalanche
Induration
Hyperconcentrated suspensions
Desiccation cracks
Dune sands
Pinching
Stratification
Sorting
Dewatering
Fines
Reverse grading
Coarsening upward sequence
Pyroclastic deposits
Scour
Lahar hazard
Artificial channel
Debris flow
Mobile suspension
Earthquake
Volcano flank
Magma intrusion
Acidic gas
Impounded drainage
Rock quarry
Micropaleontology
Debris avalanche breccia
Mt. Meru, Tanzania
Mt. Shasta, California
Lava domes
Eruption
Mudflow
Lahars
Stratovolcanoes
Hummocks
Monte Guardino, Lipari, Italy
Bear Valley formation, Markagunt Plateau, Utah
Chimney Rock, Absaroka Mountains, Wyoming
Mount St Helens, Washington
Izu Oshima, Japan
Johnston Ridge, Mount St. Helens
North Fork Toutle River, Mount St. Helens
Momella Lakes, Tanzania
Shasta Dam, California
Salers, Cantal volcano, France
Espinouze, Cantal, France
Chaos Jumbles, Lassen Peak National Park, California
Volcanic rocks
Igneous rocks
Field geology
Volcanology
Debris avalanche
Induration
Hyperconcentrated suspensions
Desiccation cracks
Dune sands
Pinching
Stratification
Sorting
Dewatering
Fines
Reverse grading
Coarsening upward sequence
Pyroclastic deposits
Scour
Lahar hazard
Artificial channel
Debris flow
Mobile suspension
Earthquake
Volcano flank
Magma intrusion
Acidic gas
Impounded drainage
Rock quarry
Micropaleontology
Debris avalanche breccia
Mt. Meru, Tanzania
Mt. Shasta, California
Lava domes
Eruption
Mudflow
Lahars
Stratovolcanoes
Hummocks