Sentences with phrase «volcanic rock at»

View the Museum of Scotland, and 12th century Edinburgh Castle, perched high above the city on volcanic rock at the top of the Royal Mile.

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.

Not exact matches

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.

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.

Volcanic rocks found in the south Pacific spent at least 2.45 billion years on a journey into Earth's interior — and back again.

According to Cindy Ebinger, a professor of earth and environmental sciences at the University of Rochester, scientists had previously known about the volcanic rock structure under the Appalachians.

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.

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.

Previous attempts to image mantle plumes have detected pockets of hot rock rising in areas where plumes have been proposed, but it was unclear whether they were connected to volcanic hotspots at the surface or the roots of the plumes at the core mantle boundary 2,900 kilometers (1,800 miles) below the surface.

Large igneous provinces, or LIPs, are huge pools of volcanic rocks poured out at the Earth's surface.

In addition to the traditional geothermal plants at the Geysers, a pilot project, which was suspended last September, intended to draw steam directly from the volcanic, nonporous rock called felsite that lies below the sandstone and is its heat source.

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.

At least one team has discovered water - rich rock fragments in volcanic debris originating from the mantle.

Not surprisingly, the maps show a giant blob of superheated rock about 60 miles beneath Mount Sidley, the last of a chain of volcanic mountains in Marie Byrd Land at one end of the transect.

«When they found the igneous rocks, they said, «Oh, this is a volcanic center,»» says Alan Hildebrand, a geologist at the University of Calgary in Canada.

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

A team of researchers at Uppsala University, together with international colleagues, have now found intriguing clues hidden inside millimeter - sized crystals from the volcanic ash and rock.

A group of former and current Arizona State University researchers say chemical differences found between rocks samples at volcanic hotspots around the world can be explained by a model of mantle dynamics that involves plumes, upwellings of abnormally hot rock within the Earth's mantle, that originate in the lower mantle and physically interact with chemically distinct piles of material.

At both sites, they found a sparse sprinkling of cryptotephra, microscopic particles of glassy volcanic rock.

This idea of how atolls formed was first suggested by Charles Darwin in the 1830s, but only demonstrated a century later when drilling at the Enewetak atoll in the Pacific revealed 1500 metres of limestone before reaching volcanic rock.

The study, whose authors also include WHOI geochemists Jeffrey Seewald, Christopher German, and Sean Sylva, indicates that methane at the Von Damm vent field was created by a reaction between CO2 and water trapped for thousands of years within cooling volcanic rocks deep within Earth's crust.

She is mixing seawater from the San Francisco Bay and volcanic rock from the Western United States to find the right formula, and is also leading a scientific drilling project to study the production of tobermorite and other related minerals at the Surtsey volcano in Iceland.

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.

Indeed, some areas do appear to be composed of darker rock, which hints at relatively recent volcanic flows.

On the field trip and from our extensive rock collection, we compared modern to Miocene age (0 - 20 million years old) hot springs in New Zealand with ~ 3.5 billion year old deposits in Western Australia, and we also discussed parallels with some unusual knobby silica deposits at Columbia Hills and other hot spring sinters at El Tatio, Chile, and in the Taupo Volcanic Zone.

«If these rocks are indeed volcanic, it means that there was a really interesting kind of volcanism happening at SPA,» Moriarty said.

Slicing away at a piece of volcanic rock using a tiny diamond - tipped saw while keeping track of every microscopic wisp of volcanic dust — accurately documenting the final weight of the sample that was left behind.

Remains of a 20 - million - year - old volcanic eruption offer shelter and food for more than 500 species of fish, making diving at Julian Rocks one of Byron Bay's biggest highlights.

Scenic Highlights: One night on Santa Cruz, three nights cruising through the Galápagos National Park aboard the Xavier, visit to see the giant tortoises, watching three species of boobies and two species of frigatebirds nesting together at Punta Pitt, snorkelling with rays and sea turtles in the shadow of Kicker Rock, witnessing the towering volcanic cliffs and the dark - sand beaches of Santiago island.

This reef is a maze of volcanic rock with schools of fish at every turn.

The black volcanic rock that makes up much of the rest of Aruba created this small pool, which can comfortably fit a little more than a dozen people at any time.

On Hawaii's Big Island, the Four Seasons Resort Hualalai at Historic Ka'upulehu is an intimate isolated resort spread among low - rise bungalows just steps from crystalline Pacific waters and a volcanic rock coast with black lava outcroppings.

The climb up takes two to three hours, moving through fig trees, oleander and broom at the base to sparse shrubs further up and finally nothing but black volcanic rock.

Hours south, past fields of red - rock volcanic lava - tubes, distant volcanoes, and the palm - lined citrus town called San Ignacio, we stopped at a datil stand to buy palm dates.

Explore and discover tropical wildlife at some of the best snorkeling spots around the Isle Tortuga, or scuba dive 30 to 50 feet below sea level around dramatic volcanic rocks and rock pinnacles full of sea life!

Begin at the Cueva de Los Verdes, where passages and natural stairways lead to an impressive auditorium, before visiting Cesar Manrique's legendary Jameos Del Agua - a volcanic cavern with rock gardens, a shimmering lake and a restaurant.

Güigüi is a clothing optional secluded beach on the Western coast of the island, hidden away at the bottom of a large ravine, and divided by rocks into two bays with dark sand and volcanic rocks.

If you are staying at Koh Mak Resort or Cococape then you'll have Koh Kham, with it's small white sand beach and black volcanic rocks, about 1 km away and the smaller island of Koh Pee also lies within easy reach.

Gaze at the marvel of Morro Rock, an extinct volcanic peak that rises 576 feet above the bay.

Our final campsite was at Arroyo Verde, a white sand beach enclosed by steep walls of green volcanic rock.

Walking up the volcano in Tanna (2 steps forward and 1 step back in the black volcanic ash) only to have rocks the size of our jeep spewed out at us — also I thought was normal.

Güigüi beach is hidden away at the bottom of a large ravine, and divided by rocks into two bays with dark sand and volcanic rocks.

The crystal waters at Tortuga are surrounded by volcanic rock reef which is home of the best snorkeling site on Costa Rica's Central Pacific coast.

When you arrive at the bay, you won't see any sand — instead the beach is made up of large volcanic rocks which you can lie your towel on and sunbathe.

At low tide take a walk along the beach between Wye River and Separation Creek to see some incredible rock formations created from ancient volcanic activity and find a private sandy beach to have all to yourself.

Visitors can sunbathe on the island's black volcanic sand and marvel at its dramatic rock formations.

A great base for exploring the volcanic landscape, guests at the Parador de las Cañadas del Teide Hotel enjoy a once - in - a-life-time vacation peering inside the volcano and visiting the mountain's surreal rock formations and cooled lava flows.

Scientists at the Pacific Northwest National Laboratory and the Bonneville Power Administration think underground porous rocks produced by volcanic eruptions could be used as a large battery system.

[4] The ocean's influence extends even to the composition of volcanic rocks through seafloor metamorphism, as well as to that of volcanic gases and magmas created at subduction zones.

The oceans are buffered by sediments and volcanic rocks on the sea floor and even in past times when atmospheric temperature and CO2 were far higher than at present, there were no acid oceans.