Sentences with phrase «volcanic ash used»

When we did the same experiment with sand and volcanic ash using Earth - like conditions, all of it came out.

Not exact matches

Ground - based remote sensing through ultraviolet and infrared spectroscopy is used to measure the composition of a volcanic plume, the column of hot volcanic ash, gas, and rock emitted when the volcano erupts.

The UW group previously adapted the code to simulate volcanic eruptions and ash plumes; this paper is the first time it's been used to go down inside the volcano and examine the movement of each individual crystal.

Satellite remote sensing is used to monitor volcanic activity in isolated areas, track ash clouds, and detect surface temperatures.

Next they used a power shovel to break up nearly two feet of hard volcanic ash, exposing the fossils within.

Researchers also use the application to display the movement of volcanic ash clouds, which can pose a serious threat to airplanes.

Geologists measure eruptions by the Volcanic Explosivity Index, which uses whole numbers from 0 to 8 to rate the relative amount of ash, dust, and sulphur a volcano throws into the atmosphere.

Using a pipette full of water, fresh volcanic ash and mathematical modelling, Sanjoy Som at the University of Washington in Seattle worked out how the size of imprints related to the speed at which the rain fell through the ancient atmosphere.

Their analysis also reveals some important shortcomings in the Volcanic Ash Transport and Dispersal Models (VATDMs) typically used to forecast the dispersal of volcaVolcanic Ash Transport and Dispersal Models (VATDMs) typically used to forecast the dispersal of volcanicvolcanic ash.

On Earth, the teams will use simulated lunar dirt, known as JSC - 1, made of volcanic ash.

On the ground, information from aircraft with AVOID technology would be used to build an accurate image of the volcanic ash cloud using real time data.

This allows the researchers to use desert dust as an analogue for volcanic ash to test their system when they don't have a volcanic ash cloud to work with.

Using the Saharan Air Layer as a proxy for volcanic ash, the test aircraft will now fly over the Atlantic Ocean west of Morocco to prove the equipment can detect the fine particles of sand at altitudes of up to 20,000 feet and a distance of around 100 km.

Geologists study rocks called tuff, or hardened volcanic ash, that they can date using specialized tests.

A naturally occurring volcanic ash (USA) that is used in face masks for its invigorating and drawing qualities.

Bentonite clay (a sedimentary clay made from volcanic ash) has been used by many civilizations and cultures over the years due to its believed healing and calming properties and is particularly useful for cleansing the body's colon.

Derived from volcanic ash, among other naturally - occurring earth substances, bentonite clay is a widely used traditional remedy thought to adsorb ions in a solution, which makes it a powerful cleaning agent.

Bentonite clay is actually volcanic ash and has been used throughout history for healing because it produces an electric charge that, when heated, has the ability to absorb toxins like a sponge.

Igneous rocks like lava flows and volcanic ash are an exception to the rule, because scientists can use radiometric dating to pin down the absolute age.

A volcano is a rupture in the crust of a planetary - mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber Evolutionists have long used the carbon - 14, or radiocarbon, dating technique as a «hammer» to bludgeon Bible - believing Christians.

The large monochromatic drawings, which depict volcanic features in a stark Hawaiian landscape are made using ink, carbon and volcano ash.

FUTUREFARMERS, AMY FRANCESCHINI The Sun Set in Type Using Matter Fallen from the Sky, 2014 Particulate matter and volcanic ash on paper 39 5/16 x 39 5/16 in.

Used to do the Job 1987 Steel, aluminum, coal, copper, iron, zinc, copper carbonate, brass, bronze, saltpeter, bursera gummfera, glass, iron oxide, santalum album, bluestone, sulfur, tar, rubber, volcanic ash, lodestones, trinitrotoluene (TNT), ammonium nitrate, and other natural and artificial ingredients suspended in microcrystalline wax and paraffin on sheet - metal base 48 1/2 x 25 3/4 x 24 3/4 inches

Scientists use the volcanic ash found in ice cores to date the cores and to estimate the intensity of past volcanic activity.

As I understand isotope proxies of cosmic ray penetration are used for pretty good solar activity estimation, and ice core ash is a pretty reliable proxy of volcanic activity.

Turner's work, in particular, which often depicts brightly colored sunsets and emphasized natural light, can be used to roughly estimate aerosol optical depth — that is, the amount of particles like dust, volcanic ash, smoke and sea salts in the atmosphere — at the time the painting was made.