Sentences with phrase «as volcanic rocks»

To the naked eye, pyroxenes are black minerals and are very abundant in basalts, such as the volcanic rocks found in Hawaii.

He interprets Black Beauty as a volcanic rock that got exposed to a lot of water on the way up to the Martian surface.

The abbey's kitchen (which is portrayed by a set in the TV series) is full of those hard - working grays (such as Volcanic Rock) contrasted with polished silver and ivory.

Not exact matches

The eruption is thought to have spewed almost 1 trillion gallons (3.7 trillion litres) of molten rock onto the surface, along with just as much sulphur into the atmosphere, triggering what researchers now call a «volcanic winter».

That includes visits to World Record hot spots in the U.S. such as the World's Tallest Outdoor Rock - Climbing Wall in Reno, Nevada; Bowling Green, Kentucky's Mammoth Cave National Park, which is home to the world's longest known cave system; the World's Largest Living Tree — a giant sequoia named General Sherman — in California's Sequoia National Park; and the volcanic - formed Crater Lake in Oregon, which at 1,943 feet is America's deepest lake.

New Zealand's largest city is all built on a huge volcanic field that was active as recently as 550 years ago or so and could theoretically blow up one day and be buried in a hellstorm of magma and rock.

This sprawling city of a million people, built on and out of volcanic rock on the shores of an exploding lake has become synonymous — insofar as it comes to the attention of the wider world at all — with catastrophic refugee crises, ecological devastation, and looting and pillaging.

Researchers from the College of New Jersey and the University of Rochester now know what caused that bend — a dense, underground block of rigid, volcanic rock forced the chain to shift eastward as it was forming millions of years ago.

Igneous rocks are formed when molten rock (magma) cools and solidifies, with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.

Because volcanic rocks are porous, some oceanographers speculated that cold seawater percolates into seamounts, warms up in the crust, and emerges at other seamounts as mineral - rich fluids.

The floating rock fragments are then found among the erupted volcanic rocks, instead of inside the frozen magma chambers as previously expected.

Geometric columns occur in many types of volcanic rocks and form as the rock cools and contracts, resulting in a regular array of polygonal prisms or columns.

Weiss» team found that the rock conglomerate the zircon crystals were in had been magnetized just 1 billion years ago, when it probably formed as part of a volcanic eruption nearby.

But as a planet begins to cool, rock weathering slows and the amount of carbon dioxide gradually builds from its volcanic sources, which causes rising temperatures.

Senior author Barbara Romanowicz, a UC Berkeley professor of earth and planetary science, noted that the connections between the lower - mantle plumes and the volcanic hotspots are not direct because the tops of the plumes spread out like the delta of a river as they merge with the less viscous upper mantle rock.

Now, new research by scientists at Washington University in St. Louis sheds light on what happens underground when CO2 is injected into basalt, illustrating precisely how effective the volcanic rock could be as an abatement agent for CO2 emissions.

The material, they believe, was recycled as older volcanic rocks forming the roofs of magma chambers collapsed and remelted during eruptions, only to be reejected in the next volcanic outburst.

If you picked up one volcanic rock as well as one granite rock of the same size, you would notice they don't weigh the same.

Following the discovery of volcanic rocks of the same age as the extinction, volcanic carbon dioxide (CO2) emissions had previously been suggested as an important contributor to this extinction event.

This vast volcanic plain appears to contain some of the youngest lava flows on the moon, as well as rocks ejected by impacts that could be parts of the buried lunar crust.

Glinting silver - gray in rocks and soils, it mixes with other minerals as it seeps into water supplies, drifts on the dusty plumes of volcanic eruptions and travels on the wind.

One of these, phyllosilicate, forms as liquid water interacts with volcanic rock over thousands of years.

Now, new research offers a potential solution: Longer RNA chains could have hidden out in porous rocks near volcanic sites such as hydrothermal ocean vents, where unique temperature conditions might have helped complex organisms evolve.

Volcanic magma, the molten mix of rock and gas below Earth's surface, leads a sort of double life: It spends some time as a hot liquid and some as a colder, rocky «crystal mush.»

Brought to Earth's surface in eruptions of deep volcanic material, these rocks hold clues as to what is going on deep beneath Earth's surface.

On July 18, 2012, passengers on an airline flight over the Southwest Pacific Ocean glimpsed something unusual — a raft of floating rock known as pumice that indicated an underwater volcanic eruption had occurred on the seafloor northeast of New Zealand.

Those data showed increased infrared radiation coming from several volcanic regions and was interpreted by a NASA - funded team as evidence that the rocks there formed from lava flows within the past million years — recently, on a geological timescale.

As with past studies that made images of Yellowstone's volcanic plumbing, the new study used seismic imaging, which is somewhat like a medical CT scan but uses earthquake waves instead of X-rays to distinguish rock of various densities.

The meteorite, known as Northwest Africa 7635 and discovered in 2012, was found to be a type of volcanic rock called a shergottite.

Oldest known, bacterial «trace fossils» found as mineralized tubes with organic residues in undersea volcanic glass 3.34 billion years old, which were etched by «rock - eating» bacteria along cracks (more).

The meteorite, ALH84001, began as a rather unremarkable piece of volcanic rock that formed about 4.5 billion years ago, on Mars.

Minerals such as iron, potassium, calcium, manganese, silicone and copper, which are picked up as rainwater infiltrates through magmatic volcanic rock in French volcanoes.

As to why I've flown nearly halfway around the world to this small Spanish archipelago of banana plantations and lava rock sprouting from the Atlantic just off the northwest coast of Africa, well, I like to think it's because Porsche wanted a driving venue just as volcanic as its new sports caAs to why I've flown nearly halfway around the world to this small Spanish archipelago of banana plantations and lava rock sprouting from the Atlantic just off the northwest coast of Africa, well, I like to think it's because Porsche wanted a driving venue just as volcanic as its new sports caas volcanic as its new sports caas its new sports car.

Rocks to avoid are many of the volcanic - based minerals such as lava rock, obsidian and granite.

Waves have eroded the volcanic island, creating towering sea cliffs, sea caves, and natural bridges, such as forty - foot - high Arch Rock — a symbol of Anacapa and Channel Islands National Park.

Waves have eroded the volcanic island, creating towering sea cliffs, sea caves, and natural bridges, such as forty - foot - high Arch Rock - a symbol of Anacapa and Channel Islands National Park.

Morro Rock, also known as the «Gibraltar of the Pacific,» is a volcanic plug.

A longer scenic route from I - 40 and Route 53 near Acoma takes you past the forbidding black volcanic flow of El Malpais, through pretty mesa - dotted country and by El Morro National Monument (also known as Inscription Rock).

Geologists use volcanic rocks as a kind of time capsule to assess what happened previously.

Located right in the center of Edinburgh, Arthur's Seat stands out as the highest hill in an ancient formation of volcanic rock which graces the city's sky line.

Alone among the BVI's in being formed of coral and limestone, rather than volcanic rock, Anegada is also known as «Drowned Island» because its highest point is only 28 feet above sea level.

Here you will observe ancient domes of volcanic rock displaying fascinating geological formations and a vivid array of colours, as well as shimmering salt lakes and densely vegetated sand hills which bloom with wildflowers after rain.

Foamy white waves create a striking contrast as they collide with dark volcanic rock at Blackstone Beach; at Andicuri Beach, the turquoise water attracts daring body surfers between jagged cliffs; and Boca Ketu, near the park's famous Conchi natural pool, is a secluded spot with powdery sand to sit on while you admire the island's natural wonders in pure solitude.

The jet black volcanic rocks beneath your feet as the white brilliance of waves crashes over the coastline forcing turquoise water up through the lava holes.

Disembark on Santiago and be greeted by fresh lava flows veining the waters of Sullivan Bay, as penguins and herons waddle across the cooled volcanic rock in search of fish.

Soft volcanic rock has eroded to create a moon - like landscape of unique rock formations including the conical spires known as fairy chimneys.

The Main Entrée selection has a varied list of house specialties including Bouillabaisse with prawns, crabs, clams, snapper, scallops, and mussels in a lobster saffron broth; Roasted Duck with wild rice risotto cake and dried fig port wine sauce; Sautéed Snapper Muniere, a fresh filet with scallop and rock shrimp hash; as well as the Volcanic Seasoned Monchong sautéed with fresh island succotash.

A unique rock formation of volcanic stone circles on Aruba's coast has formed a natural pool, known by locals as «conchi» or «Cura di Tortuga,».

Day 3 — Striking out for a new camp on the east side of the island, our destination will likely be remarkably different as the geology of Isla Carmen alternates between red and gray volcanic flows and peaks, with lower lying layers of white sedimentary rocks.

Between airfare deals from their biggest airline, a recent addition as an EasyJet destination, and huge festivals like Iceland Airwaves drawing in foreigners by the thousands, there's been a steady increase in backpackers and budget travelers visiting this beautiful volcanic rock.