Sentences with phrase «of volcanic basalt»

According to Oddity Central, the restaurant's customized grill was a bit of an architectural feat: in order to bypass the problem of not being able to build conventional foundations due to the heat underground, architects Eduardo Caceres and Jesus Soto used nine layers of volcanic basalt rock to make a suitable cooking pit.

In exchange, the mainland imported elite goods such as pottery, jade, obsidian and grinding stones made of volcanic basalt.

Not exact matches

With only 8 - 16 inches of topsoil and clay soils with varying underlying layers of basalt, sandstone, and volcanic rock, vines have a difficult time surviving.

You can identify volcanic basalt from its tiny pockmarks, formed by bubbles of escaping gas that froze in place when hot magma hit the cool air.

Morgan and University of Liverpool archaeologist Natalie Uomini arrived at their conclusions by conducting a series of experiments in teaching contemporary humans the art of «Oldowan stone - knapping,» in which butchering «flakes» are created by hammering a hard rock against certain volcanic or glassy rocks, like basalt or flint.

Hallis previously used hydrogen isotope ratios in volcanic basalt rocks to conclude that Earth's water may in fact have been part of the very dust cloud from which the planet first condensed.

Oceanic crust is the thin layer of solidified volcanic basalt that covers the Earth's mantle where there are no continents.

A closer look revealed that the pile was not a random accumulation of stones, but a purposefully - built structure composed of three - foot - long volcanic stones called basalt.

As the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

One is the Siberian Traps, a million - year - long volcanic eruption that flooded five time zones of Russia with basalt lava more than a mile deep.

This is obvious when you look at a piece of volcanic rock (often called basalt), which is full of visible holes.

The Tingmiatornis arctica fossils were found above basalt lava fields, created from a series of volcanic eruptions.

Matuyama studied traces of Earth's ancient magnetic field frozen into basalt, a volcanic rock.

This process leads to the eruption of large volcanic material (flood basalts) at the Earth's surface.

When basalt — a volcanic rock that makes up roughly 70 percent of the earth's surface — is exposed to carbon dioxide and water, a chemical reaction occurs, converting the gas to a chalk - like solid material.

These had been hinted at last year, when Alex Evans at the University of Arizona and colleagues used GRAIL maps to find evidence of more than 100 craters buried beneath seas of basalt formed by ancient volcanic eruptions.

After the researchers analyzed the inclusions — each just 15 to 40 microns wide, or one - sixth to two - fifths of the diameter of a human hair — they found the inclusions contained the entire range of minerals one would expect of a volcanic rock called basalt that originally formed at the planet's surface and then crystallized under extreme high pressures and temperatures.

«We found this turtle right on top of the last flood basalts — a large stretch of lava from a series of giant volcanic eruptions,» says Tarduno.

Shellnutt (2017), in a succinct review of the Panjal Traps (c. 290 Ma), an important component of the Himalayan magmatic province, discusses the synchronous nature of basalts, that chemically range from continental tholeiite to ocean - floor basalt, and crustally derived silicic volcanic rocks (rhyolites and trachytes: 206Pb / 238U zircon in situ age of 289 ± 3 Ma), that developed in a shallow lithospheric rift with significant mingling between crustal melts and mafic magmas.

«Spectroscopic observations of Vesta's surface indicate that it is covered with volcanic basalt, leading researchers to conclude that Vesta's interior once melted.

A popular beach that's alive with activity on any weekend or summer day, Short Sand Beach lies sheltered in a cove blanketed by forests and edged with volcanic basalt and sandstone cliffs characteristic of the Oregon coastline.

While the island is not a volcano it is composed primarily of Miocene volcanic rocks (basalt) interbedded with marine sediments.

In addition to clay and layers of glaze, Regel also uses volcanic rock materials, basalt, granite, and feldspars to form the main body of her pieces, resulting in visually complex surfaces and textures.

Built in 1970, the 6,650 tons of black basalt (a volcanic rock also common to the moon and Mars) was paved into a 1,500 - foot counter-clockwise coil.

In addition to clay and layers of glaze, Regel also uses volcanic rock, basalt, granite, and feldspars to form the main body of her pieces, resulting in visually complex textures.

Immense flood basalts were accompanied by pyroclastic eruptions and together produced the Siberian Traps, an area of 2 million square kilometers of volcanic rock, which formed suddenly, on the Earth's surface.

The Siberian flood basalt eruption, the biggest volcanic effect on Earth, lasted for millions of years.

A recent paper in Science reported on a breakthrough experiment in Iceland in which CO2 (from a volcanic source) dissolved in water was injected into basalts at depths of 400-1000 metres.

Although the Siberian Traps was basalt flooding, other volcanic activity occurring throughout the world as the continents were pushing together probably put a lot of dust in the atmosphere, off and on.