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Topic: Mono-Inyo Craters


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In the News (Tue 29 Dec 09)

  
 Mono-Inyo Craters - Wikipedia, the free encyclopedia
Mono Craters to the north sit along the eastern edge of Pumice Valley, a large caldera volcano.
The Inyo Craters form the southern part of that line and are either phreatic (steam explosion) volcanoes or rhyolite domes.
These craters were formed when heat from the raising magma superheated groundwater until the overlying dirt and rock could no longer contain the pressure, resulting in a massive steam explosion.
en.wikipedia.org /wiki/Mono-Inyo_Craters   (517 words)

  
 CONK! Encyclopedia: U.S._Highway_395
The Mono and Inyo Craters, a chain of geologically recent volcanic craters.
Mono Lake, one of the oldest lakes in North America, home to many migratory birds.
U.S. 395 as it squeezes between Mono Lake and the Sierra Nevada.
www.conk.com /search/encyclopedia.cgi?q=U.S._Highway_395   (337 words)

  
 Long Valley Caldera
Mono Craters (figure 5) were formed by multiple eruptions of high-silica rhyolite 40,000 years ago and has continued almost to the present.
The Mono-Inyo volcanic chain is localized along a narrow north trending dyke
Inyo crater (Figure 6) formed 700 years ago, a steep sided rhyolite dome and funnel shaped explosion pit containing a small lake.
www.dur.ac.uk /michelle.webb/longvalley.htm   (736 words)

  
 Photos from Mono Craters, CA
Mono Craters are part of a larger structure that includes the Inyo Craters to the south and the volcanoes of Mono Lake to the north, which together form a 40-km-long chain of Late Pleistocene and Holocene craters, domes, and flows.
Mono Craters lie just south of Mono Lake, and can be easily viewed from the lake, as well as from Highways 395 and 120.
The Mono Craters comprise a young volcanic chain associated with the Long Valley caldera in eastern-central California.
www.its.caltech.edu /~meltzner/mono   (1763 words)

  
 Eruption Scenarios at Long Valley Caldera, California
Aerial view of the Inyo Craters, which were formed by a series of steam-driven eruptions at the end of the the Inyo eruption sequence about 600 years ago.
This eruption cloud is comparable in size to the cloud that was generated by the eruption that formed the Inyo Craters and nearby lava domes in the Long Valley Caldera some 550 to 600 years ago.
The Inyo Craters are examples of the craters excavated by phreatic explosions about 600 years ago.
lvo.wr.usgs.gov /eruptions.html   (932 words)

  
 ISS EarthKAM: Athenaeum
This system of craters was created by a fissure system that extends from south of Mammoth Mountain through the western portion of the caldera to the north shore of Mono Lake.
The Mono Craters were formed by multiple eruptions of high-silica rhyolite as recently as 600 years ago.
The Inyo Craters were formed by eruptions of low-silica rhyolite as recently as 500 years ago.
www.earthkam.ucsd.edu /public/images/investigations/monolake/lvc.shtml   (539 words)

  
 Geologic History of the Long Valley Caldera
The Mono Craters were formed by multiple eruptions of high-silica rhyolite 40,000 - 600 years ago, and the Inyo Craters were formed by eruptions of low-silica rhyolite 5,000 - 500 years ago.
The younger system, the Mono-Inyo Craters volcanic chain, is localized along a narrow, north-trending fissure system that extends from south of Mammoth Mountain through the western moat of Long Valley caldera to the north shore of Mono Lake.
During the past 3,000 years the Mono-Inyo Craters have erupted at intervals of 700 to 250 years, the most recent eruptions being from Panum Crater and the Inyo Craters 500 to 600 years ago (Miller, 1985; Bursik and Sieh, 1986), and Paoha Island about 250 years ago (Stine, 1990).
www.seismo.berkeley.edu /~battag/LVO_GIS/Intro/GeologicMaps/GeologicHistory.html   (624 words)

  
 Volcanoes of the Eastern Sierra Nevada
The Mono Craters are special because they are towards the end of the line in the Mono-Inyo Crater chain and exist as examples of very young volcanic activity.
During the past 35,000 years, volcanic activity in the Long Valley area has been confined to the Mono-Inyo Craters volcanic chain4.
The Mono Crater chain that will be the focus of this paper is just outside the caldera and is a part of a larger structure that forms a 40km chain of craters, domes, and flows dated to the late Pleistocene and Holocene era4.
www.indiana.edu /~sierra/papers/2002/schaffer.html   (1465 words)

  
 ipedia.com: Mono Lake Article
Mono Craters to the right of the image are rhyolitic domes.
Mono Lake is a vital resting and eating stop for migratory shorebirds and has been recognized as an International Reserve in the Western Hemisphere Reserve Network.
Mono Lake was spared the same fate on September 28, 1994, when the California State Water Resources Control Board issued an order to protect Mono Lake and its tributary streams.
www.ipedia.com /mono_lake.html   (755 words)

  
 CVO Menu - America's Volcanic Past - Long Valley Vicinity, California
Scientists have determined that eruptions occurred in both the Inyo Craters and Mono Craters parts of the volcanic chain as recently as 600 years ago and that small eruptions occurred in Mono Lake sometime between the mid-1700's and mid-1800's.
The Mono Craters is a 17-kilometer-long chain of rhyolite domes and flows that were erupted from 35,000 to about 600 years ago.
In the Mono Basin, a great example of a smaller explosion pit is the Devil's Punchbowl, located at the south end of the Mono Craters.
vulcan.wr.usgs.gov /LivingWith/VolcanicPast/Places/volcanic_past_long_valley.html   (1624 words)

  
 v52b in fm04
AB: Uranium and Th isotope measurements for some of the youngest basaltic- to rhyolitic lava flows associated with the Long Valley caldera and Mono-Inyo Craters indicate that the lavas have pronounced U and Th isotopic disequilibrium.
A basaltic inclusion from the Mono Inyo dacite (age = 18 Ka, epsilon-Nd = +2) is one of the samples farthest to the right of the equiline, which indicates that the basaltic magmatism associated with the formation of the silicic magma system is subduction-like.
This observation is in accord with the young age of the Mono Craters (less than about 18 Ka) and suggests that this system has not yet stored up a large amount of silicic magma that could feed an eruption of Bishop Tuff size.
www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=fm04&database=/data/epubs/wais/indexes/fm04/fm04&maxhits=200&="V52B"   (3340 words)

  
 Inyo - Recorded Document Search
Homepage for the RIMS Projects: K-12 education in Riverside, Inyo, Mono, and San Bernardino counties of California.
Inyo County, California Inyo County is a county located in east-central California, on the east side of the Sierra Nevada south of Yosemite National.
Webshots - Images of 2005 (May 7) Mt Inyo Dayclimb and the
globalinfoplus.com /?q=inyo   (146 words)

  
 Volcanoes - posted 10/28/01
Mammoth Mountain, the Mono Craters and Inyo Craters also owe their existence to volcanic activity in the Mono-Inyo Volcanic Crater chain.
Scientists estimate that eruptions have occurred in the area for nearly four million years and that two volcanic systems - the Long Valley Caldera and the Mono-Inyo Craters volcanic chain - are responsible for most of the activity.
Long Valley Caldera is a large depression in the earth located about 12-1/2 miles south of Mono Lake.
www.bcea3143.org /volcano.htm   (744 words)

  
 Long Valley: Another Hotspot
The Mono-Inyo Craters chain is also part of the volcanic complex, and it extends from Mammoth Mountain on the southwest rim of the caldera to Mono Lake, 42 kilometers to the north.
Eruptive activity along this chain started about 400,000 years ago with the latest eruption only 250 years ago.
hvo.wr.usgs.gov /volcanowatch/1997/97_12_19.html   (589 words)

  
 The Long Valley Caledra and the Mono Inyo Craters
The Long Valley Caledra and the Mono Inyo Craters are located in an area in which volcanic eruptions have been occuring for over 3 million years.
The Long Valley Caledra and the Mono Inyo Craters
The caledra is an eliptical shaped area approximately 10 by 20 miles in size.
www.disastercenter.com /longvall.htm   (960 words)

  
 Plate Boundary Observatory (PBO) Deployment Plan for Studying Diverse Magmatic Systems Along the Western North America Plate Boundary
However, the caldera is located in a structurally complex and dynamic area that also includes the Inyo Craters and Mono Craters volcanic chains, which are sparsely monitored even though they have produced the most recent eruptions in the area, and the White Mountains seismic gap with its potential for a magnitude 7+ earthquake.
The Long Valley caldera-Mono-Inyo Craters region includes a persistently restless rhyolitic caldera in an active transtensional setting, plus the Mono-Inyo Craters volcanic chain that has produced eruptions as recently as 250 years ago and 550-600 years ago.
Are the crustal magma reservoirs beneath the resurgent dome, Mammoth Mountain, and the Inyo-Mono volcanic chain related, and, if yes, how?
volcanoes.usgs.gov /pbo   (4955 words)

  
 Mammoth/Owens Valley
Rinehart, C.D. and Huber, N.K., 1965, The Inyo Craters - a blast in the past: California Div.
Knopf, A., 1913, A geologic reconnaissance of the Inyo Range and the eastern slope of the southern Sierra Nevada, California: U.S. Geol.
Miller, C.D., 1985, Holocene eruptions at the Inyo volcanic chain, California-implications for possible eruptions in the Long Valley caldera: Geology, v.
geology.csupomona.edu /docs/cited.htm   (947 words)

  
 Volcanoes of the Eastern Sierra Nevada
The Mono Craters are one of the youngest mountain ranges in North America.
Panum Crater is the northern most volcano of the Mono Craters and the most recent one to erupt.
Paoha, one of the islands in the Mono Lake, is the youngest formation in the Mono Basin (USDA; 97).
www.indiana.edu /~sierra/papers/2004/murdock.html   (1720 words)

  
 Where Will Volcanoes Erupt in California's Long Valley Area?, Volcano Fact Sheet
The Inyo Craters and nearby lava domes were formed by a series of small to moderate eruptions 550 to 600 years ago, and the most recent eruptions along the volcanic chain took place about 250 years ago at Paoha Island in Mono Lake.
The three Inyo Craters, part of the Mono-Inyo Craters volcanic chain, stretch northward across the floor of Long Valley Caldera, a large volcanic depression in eastern California.
Volcanoes in the Mono-Inyo Craters volcanic chain, which extends from just south of Mammoth Mountain to the north shore of Mono Lake, have erupted often over the past 40,000 years.
pubs.usgs.gov /fs/fs073-97   (1390 words)

  
 Aron's SURF Proposal '98
The Mono and Inyo Craters comprise a young volcanic chain with a violent and exciting history, and there is strong evidence that another eruption in the region is very likely in the near geologic future.
In general, activity within the resurgent dome has not been linked with the formation and later eruptions of the Mono and Inyo Craters, however, there may be good reason to connect the two.
Sieh has continued the study by beginning an investigation of the 610 A.D. eruption of the Mono Craters, although much data has yet to be collected, and much analysis remains to be done.
www.cco.caltech.edu /~meltzner/proposal98.html   (709 words)

  
 Volcanoes of the Eastern Sierra Nevada
The main cause for their eruptions could be because the Mono-Inyo Craters are situated along volcanic vents between Mono Lake and the Long Valley Caldera (Jensen).
The next things to form in the Long Valley Caldera region were the Mono-Inyo craters as shown below.
The youngest of the craters is Paoha Island, located in Mono Lake.
www.indiana.edu /~sierra/papers/2003/Veerlapati.html   (1756 words)

  
 South Inyo Crater, Mono-Inyo Craters Volcanic Chain, California
This sequence of deposists was erupted between 200,000 and 100,000 years ago, well before the Mono-Inyo Craters volcanic chain became active.
View of South Inyo Crater toward the north; the base of Deer Mountain is in upper left.
In the photo, the section labeled Inyo tephra includes layers 3 and 4.
quake.wr.usgs.gov /VOLCANOES/LongValley2.old/InyoEruption/32022545-011_caption.html   (141 words)

  
 yuccacentric - long valley caldera & more - march 15-22 2002
obsidian with banding in one of the mono-inyo craters near lee vining, california
www.yuccacentric.com /photos/volc/20.html   (24 words)

  
 Inyo Craters Mountain Bike Ride
A guide will talk about the geology of the Inyo Craters, the most recent volcanic event in Mono County.
The Inyo Craters ride begins at the junction of the Scenic Loop and Inyo Craters Road.
This Ieads to the parking area Inyo Craters.
www.395.com /inyocrd.htm   (294 words)

  
 STAR '04 Places
There are world-famous lakes in the neighborhood: Lake Tahoe and Mono Lake are the big names.
But lesser-known sites in the northern part, such as Fall and Titus Canyons, the dunefield at Stovepipe Wells, Mosaic Canyon, or the Ubehebe Crater, are equally fascinating, and somewhat closer to hand.
Closer still, on Death Valley's northern fringes, the White Mountains are the westernmost redoubt of the Bristlecone Pine, the oldest living thing on our good planet.
www.calhsta.org /STAR/sierraplaces.html   (598 words)

  
 USGS Participates in Communication Exercise for Long Valley Caldera, California
The exercise used a hypothetical eruption from along the Mono-Inyo Craters volcanic chain to test the emergency communication systems and pathways between government agencies and private industry.
New photographs of the geologic features in Long Valley caldera and along the Mono-Inyo Craters volcanic chain.
New summary of the series of eruptions that occurred along Inyo Craters volcanic chain, including explosive eruptions, extrusion of lava flows, and faulting of the ground.
volcanoes.usgs.gov /About/Highlights/LVOExercise/LVOExercise_highlight.html   (411 words)

  
 Long-Term Outlook for Long Valley Caldera
The area of eastern California that includes Long Valley Caldera and the Mono-Inyo Craters volcanic chain has a long history of geologic activity that includes both earthquakes and volcanic eruptions.
Future eruptions are more likely to occur somewhere along the Mono-Inyo Craters volcanic chain than from the resurgent dome or south moat area within the caldera.
In the absence of unrest (earthquake swarms, ground deformation, gas emissions, and fumarole activity), the odds of an eruption occurring in any given year along the chain are one in a few hundred (comparable to the odds for a great [magnitude 8] earthquake along the San Andreas fault in coastal California).
pubs.usgs.gov /dds/dds-81/Intro/Long-term/Long-Term-Outlook.html   (371 words)

  
 defs
To see pictures of the Mono-Inyo Craters Volcanic Chain click here.
A large chain of volcanos spanning from North Mono Lake to Mammoth Mountain.
Pertaining to the study of the formation, movement and activities of the earth's crust.
score.rims.k12.ca.us /activity/volcano/defs.htm   (123 words)

  
 USGS: Science Topics: volcanoes
Summarizes the geologic and volcanic activity of the Long Valley Caldera and Mono-Inyo Craters volcanic chain in east central California.
Describes the volcano-hazard zones for the Long Valley and Mono-Inyo Craters volcanic chain identified by scientists of the U.S. Geological Survey.
An introduction to the volcano hazards in the Long Valley area based on the past geologic history of the Long Valley Caldera and the Mono-Inyo Craters volcanic chain.
www.usgs.gov /science/science.php?term=1209&type=feature   (1211 words)

  
 Untitled Document
Of significance is its proximity to the Long Valley Caldera, which is part of the Mono-Inyo Craters volcanic chain.
Participating students are assisting LHS staff in gathering radon data that will be correlated with seismicity related to volcanic activity in the area and mapping caldera fault boundaries.
The community of Mammoth Lakes is located on the eastern slope of the Sierra Nevada Mountains in central California.
www.lhs.berkeley.edu /SRR/mammoth.html   (66 words)

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