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Amboy Crater and Lava Field is an extinct North American cinder cone type of volcano that rises above a 70-square-kilometer (27 sq mi) lava field in southern California. They are located in the Mojave Desert equidistant and about 75 miles (120 km) between Barstow to the west and Needles to the east, and 2.5 miles (4.0 km) southwest of historic U.S. Route 66, near the town of Amboy, California in San Bernardino County, California. Amboy Crater and Lava Field were designated the "Amboy Crater National Natural Landmark" in May, 1973.This Cinder cone crater is estimated to be 79,000 years old (+/- 5,000 years) and was formed in layers of mostly vesicular pahoehoe - during the Pleistocene geological period. The interior has a lava lake. Lava flows as old as Amboy Crater itself blanket the surrounding area.
The crater is 944 ft (288 m) above sea level, about 250 ft (76 m) above the surrounding basalt lava plains. The scenic and solitary Amboy Crater was a popular sight and stop for travelers on U.S. Route 66 in California before the opening of Interstate 40 in 1973. Other than a stretch of U.S. Route 66 in New Mexico, Amboy Crater was one of few extinct volcanoes along the entire route, so generations of U.S. Route 66 travelers from the 1920s through the 1960s could boast that they had climbed a real volcano. Visits decreased after I-40 opened, but have increased in recent years with the nearby Mitchell Caverns, Mojave National Preserve, and renewed historical tourism interest in "old Route 66."
Echoplex, Los Angeles. August 9th, 2012.
For LA Record: larecord.com/photos/2012/08/11/totally-enormous-extinct-d....
Image from '[A Description of Active and Extinct Volcanos ... Being the substance of some lectures delivered before the University of Oxford, with much additional matter. [With plates, including maps.]]', 000869450
Author: DAUBENY, Charles Giles Bridle.
Page: 581
Year: 1848
Place: London
Publisher: Richard & John E. Taylor
Following the link above will take you to the British Library's integrated catalogue. You will be able to download a PDF of the book this image is taken from, as well as view the pages up close with the 'itemViewer'. Click on the 'related items' to search for the electronic version of this work.
Open the page in the British Library's itemViewer (page: 000581)
Mounted male passenger pigeon at Natural History Museum, London.
Ectopistes migratorius (Linnaeus, 1766)
Columbidae
Columbiformes
iMAL, Brussels, September, 2015
An exhibition by Grégory Chatonsky and Dominique Sirois on posthuman archeology.
OLYMPUS DIGITAL CAMERA
Vermillion Flycatcher - Pyrocephalus obscurus
Observed on the vegetated flanks of Volcán Sierra Negra as visited from Puerto Villamil.
The little vermilion flycatcher, along with the now-extinct San Cristobal vermilion flycatcher, is endemic to Galapagos. This brilliantly coloured songbird is declining at an alarming rate.
After reclassification in 2016, the little vermilion flycatcher (Pyrocephalus nanus) was made a separate species from its now-extinct relative, the San Cristobal vermilion flycatcher (Pyrocephalus dubius).
Unfortunately, the same threats that led to their extinction, including invasive species such as rats, threaten the little vermilion flycatcher today. In fact, it is locally extinct on Floreana island, close to extinction on Santa Cruz island and under threat on Isabela island.
Research on the three population sites of little vermilion flycatchers looks to assess the current population sizes and threats to each found that the invasive parasitic fly, Philornis downsi. The fly’s larvae feed on the young of many land birds in Galapagos and are one of the main drivers of population declines. However, in Mina Roja on Santa Cruz, many of the abandoned nests showed few signs of P. downsi infestation, which suggests that this might not be the reason behind low breeding success rates on this island.
The little vermillion flycatcher requires an open area for foraging, one suggestion for the decline is an increase in the invasive raspberry plant (Rubus niveus). This plant creates dense thickets, which prevents successful feeding and is thought to be another cause of the alarming population declines.
Efforts to remove the invasive raspberry plants from Mina Roja on Santa Cruz will increase to allow for the restoration of the Scalesia forest habitat, interspersed with open areas for breeding and foraging. The team will also reduce the pressure from invasive species, including both rats and P. downsii larvae. The latter will be achieved using techniques trialled by the mangrove finch project team, who have increased the number of young birds surviving into adulthood through in nest treatment of P. downsii larvae with insecticide.
Bison latifrons is an extinct species of bison that lived in North America during the Pleistocene epoch. B. latifrons thrived in North America for about 200,000 years, but became extinct some 20,000–30,000 years ago, at the beginning of the last glacial maximum
Samedi 28 mars 2015, à 20h30 précises, 292 monuments se sont éteints à Paris. Au pied de la Tour Eiffel, les Parisiens sont venus nombreux créer symboliquement leur propre énergie en dansant sur un l’energy floor afin de rallumer eux-mêmes le monument emblématique de la capitale.
Crédit photographique © Margot L'hermite / WWF
Molar of Cretan dwarf elephant at Natural History Museum, London.
Elephas creticus (Bate, 1907)
Elephantidae
Proboscidea
83 x 40 x 68 cm
"American Dreamers: realtà e immaginazione contemporanea americana"
9 marzo - 15 luglio 2012
We saw this informational display as we walked back inside NamanaBe Hall. Hanging above the top glass shelf are painted models of lemur heads. The shelf below that holds a few bones from a Pygmy Hippo (hippopotamus lemerlei) that went extinct about 1000 years ago. The next shelf down displays skulls and a skeleton of living Lemurs. It also holds the skull of a Giant Lemur that went extinct about 500 years ago, about the same time as the Elephant Bird whose bone and egg are displayed on the bottom.