(n.) A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.
(n.) An imitation, in pottery, of natural basalt; a kind of black porcelain.
Example Sentences:
(1) Photograph: Alamy The Devils Postpile, near Mammoth Lakes on the east side of Yosemite, looks as if it might have been created by some satanic sculptor, but really it's just one of the world's best examples of columnar basalt, a similar geological feature to the Giants Causeway in Northern Ireland.
(2) The aerial shots along the route – taking in the crenellated ruins of Dunluce Castle, the vertiginous Carrick-a-Rede rope bridge, the basalt stacks of the Giant's Causeway, and the seaside villages of Ballycastle, Cushendun, Cushendall and Carnlough – will be a pleasant surprise for viewers who have an entirely different image of Northern Ireland.
(3) Dotted across 2,000 square kilometres of hills and villages on a basalt plateau in western India sit more than 800 turbines - generating more than 1,000 megawatts of electricity.
(4) The second half of our ride was 118km back down to Belfast, but we optimistically took a detour from the Giro route to marvel at something the peloton won't get to see – the Giant's Causeway, one of the world's natural wonders, with its thousands of perfectly-formed, hexagonal basalt columns stretching out along the coast.
(5) These plants produce basalt wool, sag wool and glass fibres used in industrial and building insulating materials and in cement and mortar additives and as a free insulating material.
(6) In the sedimentary rock areas calcium and magnesium concentrations were high; the magnesium-to-calcium ratio in these areas was between those of the basalt and granite areas.
(7) For the Azores you pack a cagoule and sunglasses, your swimming gear and walking shoes, for you’re never more than a few minutes from a dramatic basalt seashore or an alluring grassy pathway.
(8) In order to eliminate asbestos adverse effect on workers' health it was necessary to use mineral rayon, primarily basalt fibre, instead of asbestos.
(9) Josiah also created Black Basalt, a fine black porcelain, which enabled him to produce copies of the newly excavated Etruscan pottery from Italy.
(10) There was no credible data on the differences between the groups exposed to various types of basalt fibre.
(11) It's unlikely I'd have developed a lifelong addiction to live music had I not seen Blur tearing the roof off a Midlands bog venue in 1991, nor ever taken Arctic Monkeys seriously if I hadn't witnessed Birmingham's Carling Bar Academy try to bounce itself into the basaltic layer in 2005.
(12) • Pinnacles links condors recovery programme , climbing , camping , caves Devils Postpile national monument Basalt columns at Mammoth Lake, Devil's Postpile national monument.
(13) It was in England that Sigurdsson would really bloom, becoming in the process a frontiersman for the great Icelandic experiment, that frankly quite bonkers investment in youth football enacted around the turn of the millennium by this spiky lump of mid-Atlantic basalt, and expressed most fully in the minor miracle of Euro 2016 qualification .
(14) The Postpile's 18m columns were created when a mass of basaltic lava cooled at a relatively uniform rate.
(15) The same observation was valid, when the asbestos exposed group was compared with the groups exposed to asbestos substitutes (basalt and glass fibres).
(16) Basalt (Kilauea-lki) and chondrite (Orgueil) have been found to behave similarly.
(17) Endemic elephantiasis of the lower legs in Ethiopia, which reaches a maximum of 86-7 per 1,000 adults in affected areas, is related to the distribution of red clay soil derived from volcanic rocks, particularly basalt.
(18) The influence of the nutrient status is clearly manifest in the humus form (raw humus in the case of quartz porphyry, mull-resembling moder in the case of basalt), but scarcely in the chemical and microbiological properties of the Of subhorizon.
(19) The park is named after the Siete Tazas (seven cups), a series of pools in a narrow gorge that were carved out of black basalt rock by the Claro river.
(20) The occurrence at high altitude (over 1,200 metres) is noted and the predominance of basalt or basalt-like lava in each case is considered significant.
Bluestone
Definition:
(n.) Blue vitriol.
(n.) A grayish blue building stone, as that commonly used in the eastern United States.
Example Sentences:
(1) The first site we explored was a big burial cairn in the shadow of Carn Menyn, where the Stonehenge bluestones come from."
(2) The first bluestones, the smaller standing stones, were brought from Wales and placed as grave markers around 3,000BC, and it remained a giant circular graveyard for at least 200 years, with sporadic burials after that, he claims.
(3) The celebrated geologist Herbert Henry Thomas linked the Stonehenge bluestones with Preseli in 1923 and pinpointed the tor on Carn Meini as the likely source.
(4) It has long been known that the bluestones that form Stonehenge’s inner horseshoe came from the Preseli hills in Pembrokeshire, around 140 miles from Salisbury Plain.
(5) Bevins, who has been studying the geology of Pembrokeshire for over 30 years, said: "I hope that our recent scientific findings will influence the continually debated question of how the bluestones were transported to Salisbury Plain."
(6) Although the double-decker bus height sarsens are undoubtedly the most impressive, Darvill and Wainwright believe they were essentially an architectural framework for the bluestones, just as towering medieval cathedrals grew over the shrines of saints.
(7) the Bluestone 9 steps test (tympanometry) and the measurement of the opening pressure with a pressure transducer during Valsalva and swallowing.
(8) Rob Ixer, of University College London, who also took part in the new research, said: "Almost everything we believed 10 years ago about the bluestones has been shown to be partially or completely incorrect.
(9) At 4.43am on 21 June, when the sun rises above the rolling plains of Wiltshire and, cloud willing, its rays come fingering their way through the grass to touch the mighty sarsens and bluestones of the Henge, it will be a moment of joy for all concerned: the battles of the past between druids, crusties, conservators, archaeologists, seers and sightseers are over – thousands of them will be there, ready to celebrate the dawn of a new age for the Neolithic.
(10) Archaeologists have argued for centuries about what Stonehenge really meant to the people who gave hundreds of thousands of hours to constructing circles of bluestones shipped from Wales, and sarsens the size of double-decker buses dragged across Salisbury plain.
(11) It would be wrong to strike the bluestones now, and in any case they have settled into the earth so they can no longer resonate, but it adds to the mystery and delight of the stones to know that the shrine is not just an observatory but a place where the music of the spheres plays on a cosmic glockenspiel.
(12) Although they concede Stonehenge was probably "multifunctional", possibly also serving as a giant calender marking the solstices, as well as a site of ancestor worship, they are convinced its true importance came from the modest bluestones, the size of a man or smaller, dwarfed by the awesome sarsens.
(13) It was the magical bluestone - spotted dolomite, which when newly quarried is dark blue speckled with brilliant white stars of quartz - that made Stonehenge the Lourdes of prehistoric Europe, they believe.
(14) BBC3 has an extraordinary track record – it's been home to Gavin & Stacey, Little Britain, Bad Education and, right now, Bluestone 42.
(15) More research will be done to establish if the important person buried there played a role in the moving of bluestone 190 miles from west Wales to the Wiltshire monument.
(16) Some experts believe the bluestones – rather than the much larger sarsen stones that give Stonehenge its familiar shape – were the real draw because they were believed to have healing powers.
(17) This article appeared in Guardian Weekly , which incorporates material from Le Monde • This article was amended on 26 November 2013 to correct the name and details of the company Bluestone Global Tech
(18) The find has been made by professors Tim Darvill and Geoffrey Wainwright, who have spent the last 10 years trying to establish how and why the bluestones – or spotted dolerite – were transported from the Preseli hills to Stonehenge.
(19) Two of the original bluestones were broken, many chipped into fragments, and some survive only as stumps underground, after being broken up to serve as healing talismans.
(20) One of the many huge puzzles remains how the bluestone from Wales travelled 190 miles to the heart of south-west England.