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Volcanic rock
Pumice ( /ˈpʌmɪs/), called pumicite in its powdered or dust form, is a volcanic rock that consists of extremely vesicular rough-textured volcanic glass
Pumice
Floating mass of pumice in the ocean
A pumice raft is a floating raft of pumice created by some eruptions of submarine volcanoes or coastal subaerial volcanoes. Pumice rafts have unique characteristics
Pumice_raft
Dry meadow in Oregon, USA
Pumice Desert is a dry meadow in Oregon's Crater Lake National Park. It covers 3,055 acres (4.8 sq mi; 12.4 km2) and is located along the North Entrance
Pumice_Desert
Major undersea volcanic eruption in the Kermadec Islands of New Zealand
The large volume of low density pumice produced by the eruption accumulated as a large area of floating pumice, a pumice raft, that was originally covering
2012 Kermadec Islands eruption
2012_Kermadec_Islands_eruption
Active stratovolcano in the Gulf of Naples, Italy
gases to a height of 33 km (21 mi), erupting molten rock and pulverised pumice at the rate of 6×105 cubic metres (7.8×105 yd3) per second. More than 1
Mount_Vesuvius
Building material used in ancient Rome
the upper dome region consists of alternating layers of light tuff and pumice, giving the concrete a density of 1,350 kilograms per cubic metre (84 lb/cu ft)
Roman_concrete
Landform of ejecta from a volcanic vent piled up in a conical shape
Volcanic cones are among the simplest volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone
Volcanic_cone
Removal of dead skin cells from the epidermis
should avoid exfoliants which have a significant portion of pumice, or crushed volcanic rock. Pumice is known as a material to exfoliate the skin of the feet
Exfoliation_(cosmetology)
Type of volcanic rock
very poorly sorted mixture of volcanic ash (or tuff when lithified) and pumice and/or scoria lapilli, commonly with scattered lithic fragments. The ash
Ignimbrite
Volcanic eruption in Italy
and gases to a height of 33 km (21 mi), ejecting molten rock, pulverized pumice and hot ash at 1.5 million tons per second, ultimately releasing 100,000
Eruption of Mount Vesuvius in 79 AD
Eruption_of_Mount_Vesuvius_in_79_AD
Volcano in Batangas, Philippines
white gradational pumice fragments, and a thin, lithic-dense, dacitic pumice fall layer at its foundation. An uncommon black dacitic pumice is found solely
Taal_Volcano
Natural siliceous or siliceous-aluminous material
The modern definition of pozzolana encompasses any volcanic material (pumice or volcanic ash), predominantly composed of fine volcanic glass, that is
Pozzolana
Large volcanic eruption in the Sunda Strait
calming down, some of the explosions were still very energetic, hurling pumice opposite the direction of the wind. A large crater approximately 900 metres
1883_eruption_of_Krakatoa
Non-existent island near New Caledonia
present in this data set. The Velocity may have observed pumice sea rafts (masses of floating pumice ejected from an underwater volcano) traversing the Sandy
Sandy_Island,_New_Caledonia
Type of volcanic eruption
stratosphere, the second layer of Earth's atmosphere. They eject a large amount of pumice and have powerful, continuous gas-driven eruptions. Eruptions can end in
Plinian_eruption
Dark vesicular volcanic rock
with macroscopic ellipsoidal vesicles (gas bubbles), but in contrast to pumice, most scoriae usually have specific gravities of at least 1 and sink or
Scoria
Government-protected area in the United States
hour. A half-mile paved trail provides views of the lava dome, crater, pumice plain, and landslide deposit, with access to hiking trails in the restricted
Mount St. Helens National Volcanic Monument
Mount_St._Helens_National_Volcanic_Monument
Country in West Africa
natural resources include gold, manganese, limestone, marble, phosphates, pumice, and salt. Burkina Faso has a larger number of elephants than many countries
Burkina_Faso
Bay in South-East Queensland
sediment loadings into the bay. In 1823, John Oxley originally named it Pumice Stone River believing it was a river because it was very shallow. Its present
Deception_Bay_(Queensland)
Island (natural or artificial) made of floating plants, mud, and peat
which keep the bog floating. Another type of natural floating island is the pumice raft, which is created by an explosive volcanic eruption, and can float
Floating_island
Geological member in British Columbia, Canada
Canada. It consists of pumice from an explosive eruption that fell over an area about 40 square kilometres (15 square miles). The pumice is of comenditic trachyte
Sheep_Track_Member
Technique used on apparel for after wash effects
washing the jeans with pumice in a rotating drum, or by using chemicals to create the appearance without the use of a rotating drum. Pumice stones act as sandpaper
Stone_washing
Mode of igneous volcanic rock formation
may cool with large or small vesicles (bubble-shaped cavities) such as in pumice, scoria, or vesicular basalt. Other examples of extrusive rocks are rhyolite
Extrusive_rock
Cosmetic treatment of the feet and toenails
cells being rubbed off the bottom of the feet using a rough stone (often a pumice stone). Skincare is frequently provided up to the knee, including granular
Pedicure
Clastic rocks composed solely or primarily of volcanic materials
valleys, and thin and fine over topographic highs. During Plinian eruptions, pumice and ash are formed when foaming silicic magma is fragmented in the volcanic
Pyroclastic_rock
Island in Greece
obsidian lava domes and pumice deposits (which are mined in huge quantities). No historical eruptions are known, but the most recent pumice eruptions overlie
Gyali
Bridge in Andorra
century. The bridge spans a river called the Gran Valira. The archstones are pumice, to keep the structure light. The walls are made of granite. La Margineda
Pont_de_la_Margineda
Country in Southern and Western Europe
important mineral resource. Italy is one of the world's leading producers of pumice, pozzolana, and feldspar. Another notable resource is marble, especially
Italy
Small island near Crete
in Greek, is derived from the island being partially composed of white pumice. Aspronisi was formed through the gradual volcanic activity in Santorini
Aspronisi
Wood finishing technique
thicker coats follow with small amounts of superfine pumice, a crushed volcanic glass. The pumice acts both as a fine abrasive and to fill the pores of
French_polish
Undersea volcano in Papua New Guinea
thick pumice rafts, which extended up to 200 kilometres (120 mi) from the volcano. Thermal anomalies detected by satellite and the presence of pumice at
Titan_Ridge_Volcano
Major eruption of Taupō volcano
The Hatepe eruption, named for the Hatepe Plinian pumice tephra layer, sometimes referred to as the Taupō eruption or Horomatangi Reef Unit Y eruption
Hatepe_eruption
Fast-moving current of hot gas and volcanic matter that moves away from a volcano
Pyroclastic rocks from the Bishop tuff; uncompressed with pumice (on left), compressed with fiamme (on right)
Pyroclastic_flow
Small lens-shaped inclusions in volcaniclastic rocks
porosity fragments of volcanic glass or pumice. But this is not the only way they can form: they can also form when pumice lapilli are altered to clay and compact
Fiamme
World's most recent supereruption, of Taupō Volcano, New Zealand
eruption – – 0 – 1 – Single pumice fall, accompanied by wet low-velocity pyroclastics to northwest of vent 0.8 0.01 −0.215 – 2 – pumice and fine ash in 3 phases
Oruanui_eruption
Geologic formation in New Mexico
large pumice clasts, while the lower unit is nonwelded and includes abundant lithic fragments. Separating the two units is a bed of reworked pumice and
Bandelier_Tuff
Volcanologic calculation to estimate eruption volume
of a historic or prehistoric eruption is the volume of magma ejected as pumice and volcanic ash, known as tephra during an explosive phase of the eruption
Dense-rock_equivalent
Volcanic cone of the Mono–Inyo Craters chain in California, United States
viscous, or thick, and very glassy. Products of this rhyolitic eruption are pumice and obsidian, the volcanic glass that Native Americans used to make arrow
Panum_Crater
Species of fern
Botrychium pumicola is a rare fern with the common name pumice moonwort. The fern is endemic to the Modoc Plateau in northern California and the Crater
Botrychium_pumicola
Complex volcano in the Cascade Range
These deposits include Pumice Castle, an orange edifice at the eastern wall of the caldera, which formed by the fusion of glassy pumice fragments. Similar
Mount_Mazama
Small pyroclast debris thrown in the air by a volcanic eruption
meteorite impacts. Lapilli is Latin for "little stones". It consists of fresh pumice or scoria, volcanic glass such as Pele's hair, lithic fragments of rock
Lapilli
Material in core during nuclear meltdown
in large heaps in both levels of the Pressure Suppression Pool. Pumice, friable pumice-like gray-brown porous formations formed from molten brown corium
Corium_(nuclear_reactor)
Ephemeral island in the South Pacific
The eruptions produced extensive rafts of pumice, which drifted northeast from the new island. The pumice rafts and new island were imaged by the Aqua
Home_Reef
Igneous, volcanic rock, of felsic (silica-rich) composition
present day because it can be shaped to an extremely sharp edge. Rhyolitic pumice finds use as an abrasive, in concrete, and as a soil amendment. Rhyolite
Rhyolite
Confederation of Mali, Niger, and Burkina Faso
lithium Burkina Faso gold, manganese, zinc, limestone, marble, phosphates, pumice, salt, lithium, copper cotton Mali gold, phosphates, kaolin, salt, limestone
Alliance_of_Sahel_States
Volcanic caldera in the Sunda Strait, Indonesia
nature preserve. In 1916, Johann Handl, a German "pumice collector", obtained a permit to mine pumice, against "strong community objections", apparently
Krakatoa
Major volcanic eruption around 1600 BC
major phase (BO1/Minoan A) of the eruption deposited up to 7 m (23 ft) of pumice and ash, with a minor lithic component, southeast and east. Archaeological
Minoan_eruption
Plinian eruption of the Somma-Vesuvius complex
white pumice ("the white pumice phase"), while a second, more intense explosion raised a column to 31 km (102,000 ft) depositing 1.25 km3 of grey pumice ("the
Avellino_eruption
Temperate coniferous forests ecoregion of the United States
Reservation. The Pumice Plateau ecoregion is a high volcanic plateau, characteristically covered by thick deposits of Mount Mazama ash and pumice. Elevation
Eastern Cascades Slopes and Foothills
Eastern_Cascades_Slopes_and_Foothills
Submarine volcano in New Zealand's Kermadec Islands
one large explosive eruption that may have generated a pumice raft. Parts of the "Loisels Pumice" in New Zealand are suspected to have originated in this
James_Healy_Seamount
Fragmental material produced by a volcanic eruption
18 hours, Vesuvius had covered the city of Pompeii in molten lava, ash, pumice, volcanic blocks, and toxic gases. Much of the town was preserved and organic
Tephra
Comune in Sicily, Italy
the island is covered with pumice and obsidian. Pumice mining has become a large industry on Lipari, and the pale pumice from Lipari is shipped worldwide
Lipari
Rock formed from lava erupted from a volcano
vesicular texture caused by voids left by volatiles trapped in the molten lava. Pumice is a highly vesicular rock produced in explosive volcanic eruptions.[citation
Volcanic_rock
Submarine volcano in the East China Sea
Island. At 9:35 a.m, the sea was reportedly discolored over 10 km (6.2 mi). Pumice blanketed the ocean from the islands of Akari to Iriomote. The Captain Kano
Iriomote_submarine_volcano
Greek dish
Santorini-grown tomatoes are preferred, as the island's rugged terrain and pumice-laced soil makes for more robust fruits. "Santorini's traditional food"
Tomatokeftedes
Active submarine volcano within the Volcano Islands, Japan
extrusions. Despite the northern peak having basaltic composition, the pumice from Tokai Tokuba's 1984 eruption was recorded to be dacitic. The Volcano
Kaitoku_Seamount
Volcanic chain in eastern California, United States
(elevation 9,172 feet or 2,796 m), which rises 2,400 feet (730 m) above Pumice Valley to the west. Associated volcanic features are located in Mono Lake
Mono–Inyo_Craters
Protected area in Kenya
the emission of pumice showers from the Menengai Crater forming a pumice mantle, mainly on the western flank of Menengai. The pumice mantle forms a crudely
Menengai_Forest
Coastal area in Japan
of its scenery which features pumice cliffs, volcanic rock formations, sea caves, and uninhabited islands. The pumice cliffs around Dogashima were deposited
Dogashima
Supervolcano in New Zealand
Mount Tongariro, to explain the likely source of the extensive surface pumice deposits of the central North Island. The Taupō Volcano erupts rhyolite
Taupō_Volcano
Volcano in East New Britain, Papua New Guinea
Vulcan is a pumice cone in Papua New Guinea. It is a sub-vent of the Rabaul caldera and lies on its western rim. Its most recent eruption was in 1994,
Vulcan_(volcano)
Powdered rock used for polishing
applications to pumice, but it is generally sold as a finer powder and used for a more glossy polish after an initial treatment with coarser pumice powder. Tripoli
Rotten_stone
Extinct species of kiwi
(Kaimatira Pumice Sand). The holotype, NMNZ S.36731, was discovered in 1998 in a strata of the Rangitikei Formation known as the Kaimatira Pumice Sand, near
Apteryx_littoralis
1986 nuclear accident in the Soviet Union
removed. The molten fuel hit the water and cooled into a light-brown ceramic pumice, whose low density allowed it to float. Unaware of this, the government
Chernobyl_disaster
Source of large-volume Pleistocene ashflows in Oregon, United States
Tumalo Volcanic Center's ashy pumice was quarried for concrete. This concrete effectively built the city of Bend, Oregon Pumice from the Tumalo Volcanic Center
Tumalo_Volcanic_Center
Submarine volcano NW of Zavodovski Island in the South Sandwich Islands
as Australia and New Zealand, have had Protector Shoal pumice wash up on their coastlines. Pumice attributed to this eruption has been recovered as far
Protector_Shoal
Species of flowering plant
species of flowering plant in the family Asteraceae known by the common name pumice alpinegold. It is native to eastern and southern California, where various
Hulsea_vestita
Archipelago in the Sunda Strait, Indonesia
damage in the 1883 eruption. Instead, it grew almost 3 times in area due to pumice fall, although most of the gain was quickly eroded away. After the 1883
Krakatoa_archipelago
Scientist who studies volcanoes
volcanic eruptions, collect eruptive products including tephra (such as ash or pumice), rock and lava samples. One major focus of inquiry in recent times is the
Volcanologist
Substance formed when two or more constituents are physically combined
Solid Gas Solution: hydrogen in metals Solid foam: aerogel, styrofoam, pumice Foam: dry sponge Liquid Solution: amalgam (mercury in gold), hexane in paraffin
Mixture
Tempered glass used decoratively on fireplaces
alternative to ceramic and stone decorative elements, such as ceramic logs and pumice ("lava rock"). Fire glass is sold in a wide range of colors. It may be made
Fire_glass
Underwater vents or fissures in the Earth's surface from which magma can erupt
reported a large pumice raft floating in the South Pacific between Fiji and Tonga. Subsequent scientific investigations revealed the pumice raft originated
Submarine_volcano
Roman temple, later church, in Rome
aggregate is travertine, then terracotta tiles, then at the very top, tufa and pumice, both porous light stones. At the very top, where the dome would be at its
Pantheon,_Rome
Country in the West Indies in the eastern Caribbean Sea
La Pointe (59.8 kya) pyroclastic flows. Later, pyroclastic flows include pumice-rich Belfond and Anse Noir (20 kya). Finally, the dacitic domes of Terre
Saint_Lucia
Island in Indonesia
in the 1883 eruption of Krakatoa; it actually grew in area from massive pumice fall, although most of the additional area washed away within several years
Lang_Island
Substance used to make lime mortar
as mass foundation concretes or as lightweight concretes using tufa or pumice as aggregates and a wide range of pozzolans to achieve different strengths
Hydraulic_lime
Pyroclastic volcanic eruption due to a viscous siliceous magma
lava domes is another characteristic. Short flows of ash or creation of pumice cones may be observed as well. The initial phases of eruption are characterized
Peléan_eruption
Valley within Katmai National Park and Preserve, Alaska, United States
Wisconsin on June 8, Algeria on June 19 and California on June 21. Fields of pumice were seen floating in Katmai Bay, 241 km to the southwest, in 1913. Griggs
Valley_of_Ten_Thousand_Smokes
Deposit of material ejected from a volcanic eruption
increasing upwards. The bottom layer of the pumice is white felsic rich pumice with a darker grey mafic pumice overlying it. These changes represent the
Pyroclastic_fall
Naturally occurring material
ground. Pumice, which is considered a glass because it has no crystal structure. Scoria, which is the mafic to intermediate equivalent of pumice. It is
Volcanic_glass
Layered or banded texture in some extrusive rock bodies
It is often caused by the compaction and flattening of glass shards and pumice fragments around undeformed crystals. Welded tuff – Rock consolidated from
Eutaxitic_texture
Active stratovolcano on Sumbawa, Indonesia
uprooted trees, mixed with pumice ash, washed into the sea and formed rafts of up to 5 kilometres (3.1 mi) across. One pumice raft was found in the Indian
Mount_Tambora
House in the ancient city of Pompeii
it was buried and largely preserved under 4 to 6 m of volcanic ash and pumice in the Eruption of Mount Vesuvius in 79 AD. It was excavated in 1770 by
House_of_the_Surgeon
Acidic cleaning agent for toilets
in use. Domestos Harpic Toilet Duck Lysol Poo-Pourri Sani-Flush Vanish Pumice stone, may be used for cleaning a hard water line "Toilet Cleaners". U.S
Toilet_cleaner
Active volcano in California, United States
explosive eruption southwest of Lassen Peak produced 20 cu mi (83 km3) of pumice and ash, covering the area between the vent and what is now the city of
Lassen_Peak
Hard, peralkaline igneous rock, a type of light blue grey rhyolite
1903 eruption of Changbaishan volcano in northeast China erupted comendite pumice. Comendite derives its name from the area of Le Commende on San Pietro Island
Comendite
Royal New Zealand Navy ship from 2006
the first ship to take scientific samples from a 7,500–10,000 square mile pumice raft that was discovered in the Kermadec Islands. Canterbury served as the
HMNZS_Canterbury_(L421)
Space protecting occupants from radioactive debris
the rain, it forms dust and light sandy materials that resemble ground pumice. The fallout emits alpha and beta particles, as well as gamma rays. Much
Fallout_shelter
Soft, siliceous sedimentary rock
on the granularity, this powder can have an abrasive feel, like that of pumice powder, and has a low density as a result of its high porosity. The typical
Diatomaceous_earth
Type of monument in ancient Greece and Rome
cave. Deliberately rough stones might be used—Pliny the Elder noted that pumice was often used to give the appearance of a cave. Water was a much-desired
Nymphaeum
Steep canyon on the upper Owens River in Eastern California
Rocks from the Bishop tuff, Owens River Gorge. Uncompressed with pumice on left; compressed with fiamme on right.
Owens_River_Gorge
Brand of heavy duty hand cleaner
WD-40 Company. Unlike typical soap bars, Lava contains ground volcanic pumice, which gave the soap its name. The company website states that the hand
Lava_(soap)
Geological formation in Kenya
The Kerichawa Valley Tuff series is a group of pumice-rich trachytic tuffs and agglomerates. They are younger than the Nairobi Trachyte, found in Nairobi
Kerichwa_Valley_Tuff
Volcanic eruption in Italy
composition: Layer 1: The basal layer consists of small, light-colored vesiculated pumice with minimal lithic fragments. Its fine-grained nature suggests external
1631 eruption of Mount Vesuvius
1631_eruption_of_Mount_Vesuvius
Study of volcanoes
volcanic eruptions, collect eruptive products including tephra (such as ash or pumice), rock and lava samples. One major focus of enquiry is the prediction of
Volcanology
City in Cotopaxi, Ecuador
cold and windy, due to the neighboring snowclad heights, and the barren, pumice-covered tableland on which it stands. The active volcano Cotopaxi is only
Latacunga
Tool to shorten fingernails and toenails
made of pumice stone. When her perfectly shaped nails were seen, it became the latest female trend in the French Court of Versailles. The pumice stone was
Nail_file
River in California, United States
Big Springs, where the Owens River starts. The flat area is composed of pumice, and the channel in this area loses most of the water to infiltration (Kondolf
Deadman Creek (Owens River tributary)
Deadman_Creek_(Owens_River_tributary)
Hawaiian tourist myth
Curse is the belief that anything natively Hawaiian, such as sand, rock, or pumice, will bring bad luck on whoever takes it away from Hawaii. One version about
Pele's_Curse
Growing plants without soil using nutrients in water
capability by mixing in increasing quantities of perlite. Like perlite, pumice is a lightweight, mined volcanic rock that finds application in hydroponics
Hydroponics
travel, tourism, insurance
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travel, tourism, insurance