[permalink] [id link]
In Long Valley Caldera, the system is recharged primarily from snow-melt in the highlands around the western and southern rims of the caldera.
from
Wikipedia
Some Related Sentences
Long and Valley
His formal education was limited: he suffered from psychological disorders including a fear of crowds, and although admitted to high school after attending eight years of grammar school ( Long Valley School, whence dates the earliest known photo of him ), he never went to high school.
Rohrabacher's district covers the areas of Huntington Beach, Costa Mesa, Fountain Valley, Seal Beach, Avalon, Rancho Palos Verdes, Rolling Hills, Palos Verdes Estates and Rolling Hills Estates as well as portions of Long Beach, Westminster, Santa Ana and San Pedro.
Other US regions producing significant quantities of Merlot include New York State's Long Island AVA, Virginia's Shenandoah Valley AVA and Oregon's Rogue Valley AVA.
Starting from the north and running clockwise, these are: Shore Island, George Island, Rough Rock Island, Flat Rock, The Buoys, Sandy Bay Island, Black Horse Island, White Bird Island, Frightus Island, Jar Rock, Castle Point Rock, Robert Rock, Salt Rock, Speery Island, Flat Rock, The Needle, Lower and Upper Black Rock, Bird Island, Black Rock, Thompson's Valley Island, Peaked Island, Egg Island, Lady's Chair, Lighter Rock, Long Ledge, and Red Rock.
For two centuries New Netherland Dutch culture characterized the region ( today's Capital District around Albany, the Hudson Valley, western Long Island, northeastern New Jersey, and New York City ).
Mono Lake is believed to have formed at least 760, 000 years ago, dating back to the Long Valley eruption.
Currently, Mono Lake is in a geologically active area at the north end of the Mono – Inyo Craters volcanic chain and is close to Long Valley Caldera.
Long and Caldera
Mammoth Mountain (), is a composite volcano made up of about 12 rhyodacite and quartz latite domes extruded along the southwest rim of Long Valley Caldera from 200, 000 to 50, 000 years ago.
Mammoth Mountain is one of the eruptive centers that developed late in the evolutionary cycle of the Long Valley Caldera complex.
The history and deposits of the Mono and Inyo Craters overlap with Long Valley Caldera in time and space.
The known volcanic history of the Long Valley Caldera area started several million years ago when magma began to collect several miles below the surface.
Volcanic activity became concentrated in the vicinity of the present site of Long Valley Caldera 3. 1 to 2. 5 million years ago with eruptions of rhyodacite followed by high-silica rhyolite from 2. 1 to 0. 8 million years ago.
In May 1980, a strong earthquake swarm that included four Richter magnitude 6 earthquakes struck the southern margin of Long Valley Caldera associated with a, dome-shaped uplift of the caldera floor.
In 1982, the United States Geological Survey under the Volcano Hazards Program began an intensive effort to monitor and study geologic unrest in Long Valley Caldera.
The Long Valley Caldera hosts an active hydrothermal system that includes hot springs, fumaroles ( steam vents ), and mineral deposits.
Mammoth Mountain is also on the southwestern edge of Long Valley Caldera, a large area that subsided after an enormous eruption 760, 000 years ago.
In the summer months the ski gondolas are used by mountain bikers and tourists who wish to get a summit view of Long Valley Caldera directly to the east and Sierra peaks to the west, south and north.
However, the sedimentary history of Clear Lake is unbroken, while Mono Lake's sediments have been disturbed by past eruptions of the Long Valley Caldera and associated volcanoes.
0.091 seconds.