Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Geology_of_the_Lassen_volcanic_area> ?p ?o }
- Geology_of_the_Lassen_volcanic_area abstract "The geology of the Lassen volcanic area presents a record of sedimentation and volcanic activity in the area in and around Lassen Volcanic National Park in Northern California, U.S. The park is located in the southernmost part of the Cascade Mountain Range in the Pacific Northwest region of the United States. Pacific Oceanic tectonic plates have plunged below the North American Plate in this part of North America for hundreds of millions of years. Heat from these subducting plates has fed scores of volcanoes in California, Oregon, Washington and British Columbia over at least the past 30 million years (see Geology of the Pacific Northwest) and is also responsible for activities in the Lassen volcanic area.Between 3 and 4 million years ago, volcanic-derived mud flows called lahars streamed down several major mountains that included nearby but now extinct Mount Yana and Mount Maidu to become the Tuscan Formation. Basaltic and later andesitic to dacitic flows of lava covered increasingly larger areas of this formation to eventually form the lava plateau that the park sits on. About 600,000 years ago, Mount Tehama started to rise as a stratovolcano in the southwestern corner of the park, eventually reaching an estimated 11,000 ft (3,400 m) in height. Following a series of eruptions approximately 350,000 years ago, its cone collapsed into itself to form a 2 mi (3.2 km) wide caldera.Roughly 27,000 years ago, a dacite lava dome quickly pushed its way through Tehama's destroyed north-eastern flank, becoming the approximately 1,000 ft (300 m) shorter Lassen Peak. Lassen's shape was significantly altered by glacial erosion from 25,000 to 18,000 years ago during the Wisconsin glaciation. Since then, smaller dacite domes such as the 1,100-year-old Chaos Crags have formed around Lassen. Phreatic (steam explosion) eruptions, dacite and andesite lava flows along with cinder cone formation have persisted into modern times. Most notable of these is the mid to late 17th century eruption and formation (Tree Ring dates) of Cinder Cone and the early 20th century eruption of Lassen Peak. The only activity since then has been the constant bubbling of mud pots and steaming of fumaroles from the various geothermal areas in Lassen Volcanic National Park. However, a potential exists for renewed vigorous volcanic activity that could threaten life and property in the area.".
- Geology_of_the_Lassen_volcanic_area thumbnail Eruptions_in_the_Lassen_area_in_the_last_50,000_years-map.jpg?width=300.
- Geology_of_the_Lassen_volcanic_area wikiPageID "345245".
- Geology_of_the_Lassen_volcanic_area wikiPageLength "36960".
- Geology_of_the_Lassen_volcanic_area wikiPageOutDegree "173".
- Geology_of_the_Lassen_volcanic_area wikiPageRevisionID "690398944".
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink 1980_eruption_of_Mount_St._Helens.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Acid.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Aircraft.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Andesite.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Atmosphere.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Basalt.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Breccia.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink British_Columbia.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Caldera.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Cascade_Range.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Cascade_Volcanoes.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Geology_of_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Lassen_Volcanic_National_Park.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Natural_history_of_Lassen_County,_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Natural_history_of_Shasta_County,_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Regional_geology_of_the_United_States.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Category:Volcanism_of_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Chaos_Crags.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Chico,_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Cinder_Cone_and_the_Fantastic_Lava_Beds.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Cinder_cone.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Columbia_Plateau.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Conglomerate_(geology).
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Dacite.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Dike_(geology).
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Divergent_boundary.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Earthquake.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Erosion.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Flood_basalt.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Fumarole.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Gas.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Geological_formation.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Geology_of_the_Pacific_Northwest.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Geothermal_areas_in_Lassen_Volcanic_National_Park.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Glacial_period.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Glacier.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Gorda_Plate.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Great_Basin.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Hawaii.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Hot_spring.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Human.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Ice.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Idaho.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Jet_engine.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Juan_de_Fuca_Plate.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Klamath_Mountains.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Lahar.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Landslide.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Laramide_orogeny.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Lassen_Peak.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Lassen_Volcanic_National_Park.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Lava.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Lava_dome.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Limestone.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Magma.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Marble_Mountains_(Siskiyou_County).
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Mineral,_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Modoc_Plateau.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Mount_Tehama.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Mountain.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Mud.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Mudpot.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink North_American_Plate.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Northern_California.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Oregon.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pacific_Northwest.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pacific_Ocean.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Phreatic.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Phreatic_eruption.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Plate_tectonics.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Plateau.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pleistocene.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pliocene.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pumice.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Pyroclastic_flow.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Quartz.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Radiometric_dating.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Rain.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Rhyolite.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Ring_of_Fire.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Rockfall.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Sacramento_Valley.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Salmon_Mountains.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Sand.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Scree.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Shield_volcano.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Sierra_Nevada_(U.S.).
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Silicon_dioxide.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Siskiyou_Mountains.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Smithsonian_Institution.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Snow.
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Sound_(geography).
- Geology_of_the_Lassen_volcanic_area wikiPageWikiLink Stratovolcano.