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Tephra
$19.00 – $400.00Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.
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This product has multiple variants. The options may be chosen on the product page
Tephra
$19.00 – $400.00Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.
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This product has multiple variants. The options may be chosen on the product page
Tephra and Sulfur
$19.00 – $400.00Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.
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This product has multiple variants. The options may be chosen on the product page
Solidified Sulfur flow with Tephra
$19.00 – $400.00Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.
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This product has multiple variants. The options may be chosen on the product page
Popcorn Tephra
$19.00 – $400.00Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size or emplacement mechanism.[1]
Volcanologists also refer to airborne fragments as pyroclasts. Once clasts have fallen to the ground they remain as tephra unless hot enough to fuse together into pyroclastic rock or tuff.
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This product has multiple variants. The options may be chosen on the product page
Emerald Ash Borer
$19.00 – $400.00Agrilus planipennis, commonly known as the emerald ash borer is a green jewel beetle native to eastern Asia that feeds on ash species. In its native range, it is typically found at low densities and is not considered a significant pest.
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(Holotype) Darwinilus sedaris (only known sample in existence), Collected by Charles Darwin in 1832 from Argentina, South America
$19.00 – $400.00Sample provided by Max Barclay of the Natural History Museum in London and described by Stylianos Chatzimanolis of the University of Tennessee.
Darwinilus sedarisi is a species of rove beetle, the only species in the genus Darwinilus. It is named after Charles Darwin and David Sedaris. It is found in Argentina. A specimen of the beetle was collected by Charles Darwin in 1832 during the voyage of the HMS Beagle, but not formally named as a new species until 2014
Imaged at Entomology 2014 in Portland, OR.