How To Use Basalt In A Sentence

It was a simple rectangle of crudely mounded basalt rocks, a distinctive arrangement reminiscent of the way Samoans and other Polynesians marked their dead in the late nineteenth and early twentieth centuries.
Nepheline, leucite, idocrase, and meionite have not yet been seen at the peak of Teneriffe; for a reddish-grey lava, which we found on the slope of Monte Verde, and which contains small microscopic crystals, appears to me to be a close mixture of basalt and analcime. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
Wedgwood did not suddenly create and start selling his "basaltes" ware simply because it showed off white hands to advantage. "Selling was an intellectual pleasure, an art form" for Josiah Wedgwood.
The basis of these lower lavas is rather wacke than basalt; when it is spongy, it resembles the amygdaloids* of Frankfort-on-the-Main. Travels to the Equinoctial Regions of America
In New Jersey, native vegetation is mixed oak forest on well-drained upland sites over sandstone, shale, diabase, and basalt. Ecoregions of New Jersey (EPA)

Everything about this cold, vaulted hall seemed dark, with its acres of bare, black basalt. THE LIGHTSTONE: BOOK ONE, PART TWO OF THE EA CYCLE
The technique was to go slowly back and forth parallel to the shore on the basalt reef and locate any fissure veins containing copper or other minerals.
In fact, the great plutonic action is confined to the central portion of the island; there, rocks of the trappean and volcanic class, including trachyte, basalt, and tuffs and agglomerates associated with streams of lava, have made this a land of supernatural horrors. Journey to the Interior of the Earth
The volcanic successions comprise thick piles of basaltic lavas and subordinate intermediate and silicic lavas and pyroclastics.
On the other hand, if an oceanic plate made of dense basalt hits a low-density continental plate then the former will plunge underneath, pushing back into the hot, convecting mantle.
Inside they found a black-grayish basalt mummiform sarcophagus coated with a layer of earth and potsherds affixed to the lid with plaster. Czech Egyptologists Open Shaft Tomb, Identify Royal Burial at Abusir
The active volcanoes erupt a type of rock known as basalt.
Although anorthosite and basalt are the dominant rocks on the Moon, significant amounts of several other related rock types occur.
Basalt, basalt everywhere, and not a drop of water in sight.
If was used to imitate Josiah Wedgwood's rosso ant-leo and black basalt stoneware and was often decorated.
The steep, mountainous Volcanic Subalpine Forests ecoregion is composed of volcanic and igneous rocks, predominately andesitic with areas of basalt. Ecoregions of Colorado (EPA)
On them we found the only gravel bed we saw in Labrador, and yet their name is due to the rough piled basaltic appearing rock, that proved on close examination to be much weathered sienite and granite. Bowdoin Boys in Labrador An Account of the Bowdoin College Scientific Expedition to Labrador led by Prof. Leslie A. Lee of the Biological Department
The basalt lava in particular has been, and is still being, extensively quarried for road aggregate in many large quarries on those mountains.
Soils on basalt had a higher pH and were higher in most micronutrients, but lower in Iron, than soils on arkose.
Is it all this broken-up breccia or is there, maybe, a big old finger of basalt sticking up that we could scramble right on down? THE FALLEN MAN
Lengthy permitting processes for work such as replacing a basalt bulkhead with wade-in beaches also slowed things down. Giving Up on the Dream
In the course of the investigation, the PUC charge related to the leadership of basaltic sub - command.
Animals begin to colonize the basalt volcanoes when they are still deep beneath the sea surface.
This is the only location where bedded sedimentary rocks were observed to be in direct contact with the pillow basalts.
Another exhibit is a basalt and gold amulet in the shape of a scarab beetle, with a blank space on the back where the buyer's name could be written. Book of the Dead Comes To Life At British Museum
Petrological observations show excess feldspar in many basaltic lavas which is most easily explained by crystal settling.
The first is that, in addition to the basaltic magma associated with mid-ocean ridges, Iceland's volcanoes produce significant amounts of rhyolite, which is silica-rich and, more significantly, contains a lot more volatile substances. Ars Technica
There was a long tradition of amazing stonework in ancient Costa Rica, which includes spectacular ‘flying panel’ metates [corn-grinding flats] and other objects carved of basalt.
Natural basalt also clads a stair tower and service rooms.
In these most ancient parts of Mars, we have found that running liquid water altered the original mineral structures in some of the basaltic, olivine-bearing rocks into carbonate-bearing rocks. SETI Institute: Life at the SETI Institute: Adrian Brown -- The Time for Mars is Now
All basalt chemical compositions can be plotted in the basalt tetrahedron, which has normative quartz, olivine, nepheline and augite at the apices.
The boundary between the sheeted dykes and pillow lavas is tectonic, and because of shearing, the pillow basalts are locally poorly preserved.
A tall, thin, basalt head of Caelus Nin, Sumifan god of time and patron of the ancestors formed the sundial's double-faced gnomon and stood silent entry at the village's main gate. Song of Time
I also do not expect the flood pathway stories to tell that the flood eroded, in several days, 50 cubic miles of basalt and silt that resulted in deep vertical-walled coulees with flat bottoms.
Here, the 24-foot-thick bed strikes E-W, dips 25 [degrees] N., and is composed of subangular-to-rounded clasts composed of granophyre, rhyolite, and basalt.
In fluid magmas, such as those of basaltic composition, these gas bubbles can expand freely.
In the Pechenga-Varzuga volcanosedimentary belt, alkali basalts eruptions about 2.2 Ga in age gradually gave way to tholeiite pillow lavas, Fe-picrite flows and Ti-rich basalts with ages around 1.98 Ga.
Gjuve basalts are generally more primitive and have a greater range of major element compositions than the Morgedal basalts.
Some areas of this lava formation are highly mineralized, whereas other equally large areas are hard, solid black basalt without any minerals.
It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist.
The summit of the small island is composed of a highly crystalline basalt; lower down I found a hard, stratified slatey sandstone, while on the beach are huge blocks of lava, and scattered masses of white coralline limestone. The Malay Archipelago
Some rocks have basaltic compositions similar to the well-studied meteorites thought to have come from Mars, but other rocks are more like the volcanic rock andesite.
Geologically the axes from the New Guinea Highlands comprise thermally metamorphosed basalt, chert and greywacke depending on quarry source.
St. Sulpice, is built of poor schiste and bad sandstone-rubble, revetted with good lava and basalt. To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I
A continuous basalt fiber was prepared by crucible process.
Acid loving plants are absent from diabase and basalt areas. Ecoregions of New Jersey (EPA)
A small colony nested on the basalt rock face.
When wet, the basalt changes colour from silvery grey to gleaming black.
The active volcanoes erupt a type of rock known as basalt.
For reasons known only to them, the ship's builders had fashioned a tube from mirrored hyperfiber and cold basalt — the great shaft beginning not far beneath the heavy armor of the ship's bow and dropping for thousands of perfectly vertical kilometers. The Year's Best Science Fiction 23rd Annual Collection
The paper introduced the development and preparation of continuous basalt fiber.
The earlier notion that the lower continental crust is largely basaltic in composition has received little support from more recent studies.
His team took a detailed look at a mineral within the basalt called apatite using an ion microprobe that can analyze grains much smaller than the width of a human hair. Christian Science Monitor | All Stories
To the South-west the plain is bounded by ridges of scoriaceous basalt, and by a buttress of rock called Jabal Ayr, like Ohod, about three miles distant from the town. Personal Narrative of a Pilgrimage to Al-Madinah and Meccah
To the east was the thin crust of soil that covered the great basaltic flows of the Great Basin.
Electron microprobe element maps show the distribution and quantity of alkali feldspar in the fine-grained groundmass of the altered basalts.
The study on petrology, lithochemistry and geo-chemistry of the pillow lava shows that it is the product of submarine basalt.
Mantle compositions that could yield both mare basalts and highland rocks are consistent with the constraints on the interior outlined earlier.
It also became apparent that the ridges are prime sites of seismic activity and basaltic eruption.
In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.
Further, it is a common vesicle-filling mineral in basalts.
Vulcanites, such as basalt and fire opal, will be formed within erupted magma where cooling is rapid and only tiny crystals have the chance to form.
Here a huge column of curiously contorted basalt has been connected by a solid high-arched causeway with the cliff, which is equally remarkable, showing a central boss of stone with lines radiating quaquaversally. To the Gold Coast for Gold A Personal Narrative in Two Volumes.—Volume I
Also of interest in the area is a basaltic column by the sea near Owenga.
Trace element data and isotopic analysis demonstrate that the arc is composed of islandarc tholeiite and ocean-island basalts and calc-alkaline arc-type extrusive rocks.
The stone which makes the blade of their adzes is a kind of basaltes, of A General History and Collection of Voyages and Travels — Volume 13
It seems unlikely that the final magma pressure would have been the maximum value of magma pressure reached during the intrusive episode, and so flood basalts probably were erupted.
Using paleomagnetic and geochronological data from the drilled basalts, this project attempts to answer the question of whether the deep Hawaiian and Louisville mantle plumes, the two longest-lived primary hotspot systems in the Pacific, have moved in concert or independently. PhysOrg.com - latest science and technology news stories
In many places basalt in piles and crumbling strata of hornblende schiste, disposed edgeways, green within, and without blackened by sun and rain, cropped out of the ground. Personal Narrative of a Pilgrimage to Al-Madinah and Meccah
This is the only location where bedded sedimentary rocks were observed to be in direct contact with the pillow basalts.
Standing at the centre of the memorial are six large basalt obelisks etched with the names of all the countries where Australians have been held prisoner of war.
Closed basins as deep as 135 feet were bitten out of the underlying basalt.
Although anorthosite and basalt are the dominant rocks on the Moon, significant amounts of several other related rock types occur.
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
Grogan Fault, along which much of the main channel of Redwood Creek flows, is a major structural feature within the park, separating well foliated meta-sedimentary schists and meta-basalts on the south-west of Redwood Creek from the unmetamorphosed sedimentary rocks of the Franciscan to the north-east. Redwood National Park, United States
The metal content of the fluids thus reflects the trace-element composition of the subjacent source rocks which, in mid-ocean ridges, are basaltic.
The Zeederbergs basalts are dominantly tholeiitic and compositionally akin to continental flood basalts.
Metabasic rocks throughout the Moine outcrop display a tholeiitic chemistry comparable with modern mid-ocean basalts.
All the Moon's multi-ringed impact basins are older than the Moon's second kind of crust, consisting of basalts that have flooded low-lying areas to form the lunar maria.
Electron microprobe element maps show the distribution and quantity of alkali feldspar in the fine-grained groundmass of the altered basalts.
The volcanic strata consist of sheet-like flows of andesite, dacite, basalts, and trachybasalts that are interbedded with agglomerates and tuffs.
The spilitic basalt associated with chert found in the vicinity of Rio Tuba belongs to the sediments of this period.
A serpentine flow meanders through formations of smooth pahoehoe lava and rough aa lava, the same forms common in basalt lavas.
Electron microprobe element maps show the distribution and quantity of alkali feldspar in the fine-grained groundmass of the altered basalts.
Instead, the basalt flows and volcanic central peaks are found to be very closely associated with large craters.
There are enormous intrusions into many of these terrains; layered anorthosites, dyke swarms of basalts, and complexes of tonalite or diorite intrusions also occur.
The building is constructed of basalt and chalkstone and made use of elements from an earlier structure on the site. Archive 2007-11-01
Including such intervals into the basalt layer, we have matched the amplitudes and waveforms of many features observed in the magnetic anomaly field.
Rusty sediments pond in shallow depressions between the weathered gray curves of basalt pillows.
The quieter elegance of the neoclassical style achieved a cameo-like effect which was finally translated into ‘jasper’ and ‘Basalt’ in the Wedgwood potteries.
Basalt fragmentation can occur by the explosive eruption process, or by an essentially nonexplosive process associated with the spalling of pillow basalt rinds by thermal shock or chill shattering.
Like labradorite and anorthite, it is a common constituent of basic igneous rocks, such as gabbro and basalt. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
Entablatures and colonnades are common structural features of basalt.
The rocks of Hirta are predominantly a complex of dolerite and microgranites with gabbro along the castellated west coast, intruded by basalt dykes. St Kilda (Hirta) National Nature Reserve, United Kingdom
One of the leading glass makers of the early 19th century classical revival in Bohemia was Count Von Buquoy, who, in 1817, successfully produced an opaque black glass that resembled Josiah Wedgwood's black basalt stoneware.
John W. Shervais, Scott K. Vetter, 2009, High-K alkali basalts of the Western Snake River Plain (Idaho): Abrupt transition from tholeiitic to mildly alkaline plume-derived basalts Scientific Articles on Yellowstone
The barranca is 2000 feet deep and is cut in layers of resistant basaltic lava flows and softer explosive fragmental material. The geology and geography of Lake Chapala and western Mexico
Curious varnished and painted vases, idols in basalt and skeletons were in it. Six Months in Mexico
Some back-arc basalt samples from the East Scotia Sea have high alumina characteristics, suggesting the involvement of subduction-modified mantle sources in their petrogenesis.
Because the unit can be traced over several tens of kilometres, we suggest it marks a sub-regionally significant event in the Emeishan Province as basalt production terminated.
Such is the case in both basaltic and some silicic magmas. Jacob B. Lowenstern
Basaltic in the mountains built the temple, Lingyun Ge, the founder Dian, Antique - Shouting , such as construction.
In fluid magmas, such as those of basaltic composition, these gas bubbles can expand freely.
Rusty sediments pond in shallow depressions between the weathered gray curves of basalt pillows.
Most of the Moon's iron-rich basalt maria occur on the near side as well, where they alternate with highlands having only moderate concentrations of iron.
The regular rhythm of solid and void evokes the basalt columns of the Causeway and, more practically, suits the repetitive nature of hotel plans - here, rooms and suites are simply double-banked off spinal corridors.
Rocky outcrops of basalt lava dot the landscape, which climbs gently from 1,200 feet to peaks nearly 5,000 feet high.
The petrology and geochemistry of these volcanic rocks show that they form an essentially bimodal association of basalt and subalkaline rhyolite, with less common intermediate compositions.
The volcanic strata consist of sheet-like flows of andesite, dacite, basalts, and trachybasalts that are interbedded with agglomerates and tuffs.
The effects of depth and degree of melting are well illustrated by terrestrial basaltic magma types, which can be divided into three broad groups: basalts, komatiites, and picrites.
Basically, a process called metamorphism caused the basalts in Shenandoah to recrystallize with new minerals, such as chlorite, epidote, and albite, which help give the rocks their greenish hue. The Killing Hour
She also has participated in the collection and processing of paleomagnetic drill cores from basalt flows in Iceland.
It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist.
Now as the beds of chalk and of granulated limestone may have been formed by alluviation, on or beneath the shores of the sea, or in vallies of the land; it would seem, that some coal countries, which in the great commotions of the earth had been sunk beneath the water, were thus covered with alluvial limestone, as well as others with alluvial basaltes, or common gravel-beds. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
It is an achondrite - a basalt - with a composition that suggest an asteroid from the inner asteroid belt. Scientific Blogging
They range from bytownite - labradorite in basalts and gabbros, andesine - oligoclase in diorites and andesites to albite in granites and rhyolites.
Upplysa, with its basalt arches and narrow, winding pathways, was the largest of the Order's colleges. THE BROKEN GOD
Should we conclude from this position that they are of more recent formation than the lithoid basaltic lava, which contains olivine and augite? Travels to the Equinoctial Regions of America
The least explosive type of volcano is called a basalt plateau. Volcano
Instead there was just a headstone of black basalt.
Ocean-floor basalts are extruded along mid-ocean ridges that define divergent boundaries, whereas island-arcs are produced as the ocean floor is subducted at convergent plate boundaries.
In striped shadow they were perched side by side on an outcrop of black basalt like an overturned boat. A TIME OF WAR
Whatever the source, an alkalic basaltic magma pooled in the potassium-poor rocks of the lower crust.
It is important to geology not to confound the modern currents of lava, the heaps of basalt, green-stone, and phonolite, dispersed over the primitive and secondary formations, with those porphyroid masses having bases of compact feldspar, * which perhaps have never been perfectly liquified, but which do not less belong to the domain of volcanoes. Travels to the Equinoctial Regions of America
The enclaves in the mentioned basaltoids represent peridotites, pyroxenites and gabbroid rocks.
If natural stone, such as basalt or diabase, is used, the product is called rock wool.
Calcite is one of the frequently occurring minerals in cavities within the basalts of the Deccan trap rocks of Maharashtra State, India.
The area is covered with layers of basalt, porous volcanic rock that has been collecting rain and snowmelt in underground aquifers for millions of years.
Mount Warning itself represents the original neck of the volcano which, being more resistant (comprising syenite, gabbro and monzonite) than the surrounding basalt and rhyolite, remains as an isolated plug. Central Eastern Rainforest Reserves, Australia
In the greenish cast of the thallium iodide driving light, Pat lands us gently on pillow basalts.
The diggings yielded only big pieces of salt fallen from the walls, and a broken handmill of basalt. The Land of Midian
The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
This implies that individual primitive magmas are more likely to represent the composition of their individual mantle sources than more fractionated basalts.
Scientists are also baffled by the fact that this particular type of basaltic lava is only known to exist in Iceland. 365 tomorrows » featured writer : A New Free Flash Fiction SciFi Story Every Day
The more extreme of these were found within the fault zones separating adjacent basalt blocks, or were on north slopes below steep areas of consolidated talus.
The lithochemistry data testify that basalt in ophiolite is similar to ocean inner arc tholeiite.
We saw spilitic vesicular basalts and rhyolites at Giants Cave.
Further up section the geology is dominated by a succession of unmetamorphosed but strongly fractured and veined blocky andesites, basalts and tuffaceous rocks.
Main normal-throw components are documented both by steps on the fault slickensides and by downthrown offsets of basaltic layers.
They are lighter in colour and lower in density than basalts or andesites, and contain fewer dark minerals.
They range from bytownite - labradorite in basalts and gabbros, andesine - oligoclase in diorites and andesites to albite in granites and rhyolites.
Flood basalt eruptions involve the effusion of gigantic volumes of low-viscosity lava that spread out over huge areas.
There is strong geological evidence that the only "dry land" prior to the early Archean was scattered basaltic islands (sitting over mantle plume "hot spots") similar to the Hawaiian islands. Ancient Predator Revealed!
Miocene basalt, andesite, pyroclastic, and marine sedimentary rocks predominate in this subsection. Northern Channel Islands (Bailey)
Quantifying the facies architecture of flood basalt provinces is important as it can be used to understand the physical volcanology and rock property variations throughout the lava sequence.
The western Cascades are older and more eroded than the lava plateau and prominent snow-covered cones of the high Cascades (Ecoregions 4c and 4d); they are composed of dark basalt in contrast to the gray andesite of the high Cascades. Ecoregions of Oregon (EPA)
A jagged piece of basalt had torn a fresh rip in the hem of her robes, and a gash from the same rock was bleeding freely.
At this time nothing seemed to interest him more than the account of the two Giants Causeways, or groups of pris - matic basaltine columns, in the Venetian states, in Italy, in fhe LXVth. volume of the Philosophical Transactions, com - The general biographical dictionary. Revised by A. Chalmers
With sphalerite, it is one of the rarest minerals of the pillow basalts.
Intrusive igneous rocks such as diorite, gabbro and granite solidify below the Earth's surface while extrusive igneous rocks such as basalt, obsidian and pumice solidify on or above the surface. The Brussels Journal - The Voice of Conservatism in Europe
Food is prepared in an umu, an oven dug in the earth and filled with firewood and basalt rocks.
We left Basalt at 10 o'clock in the morning and "speeded" up the grade almost to Watson when old 23 had to stop for nearly a half hour to get up steam; then we made another spurt to Rathbone, pretty nearly, when another half hour was taken in steaming up! Aspen Times - Top Stories
The sediments form both relatively thick formations and thin intercalations between basalts.
I knew the cobblestones in their layer of tar on the road, and the changing surface of the sidewalk, from flagstones to little lumps of basalt set in wave patterns, tar, and gravel.
Oceanic sediments on top of the basalts crop out on the northern margin of the ophiolite.
I'm heavily involved in all aspects of the broader project, but my own interests really lie with rocks-the aquifer system that is flowing underneath North Pond, and what kind of intraterrestrial microbes might colonize rock, inhabiting the nooks and crannies of volcanic basalt and catalyzing reactions that result in "weathering" - like what you can see on old buildings, roads and rock outcrops on the continents. Scientific American
For example, the mare basalts were depleted in aluminum and europium, whereas the anorthosites were loaded with aluminum and enriched in europium.
In part, the hypothesis involved tiny grains of the naturally magnetic mineral magnetite, which is commonly found in basalt (a high-temperature volcanic rock that makes up oceanic crust).
All eruptive rocks penetrate, as ramifying veins either into the sedimentary strata, or into other equally endogenous masses; but there is a special importance to be attached to the difference manifested between 'Plutonic' rocks* (granite, porphyry, and serpentine) and those termed 'volcanic' in the strict sense of the word (as trachyte, basalt, and lava). COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1
I even thought, with many other geologists, that obsidian, so far from being vitrified lava, belonged to rocks that were not volcanic; and that the fire, forcing its way through the basalts, the green-stone rocks, the phonolites, and the porphyries with bases of pitchstone and obsidian, the lavas and pumice-stone were no other than these same rocks altered by the action of the volcanoes. Travels to the Equinoctial Regions of America
The ‘solidification front’ then proceeded inward as the basalt continued cooling.
Molten diabase and basalt (i.e., “trap rock”) intruded shales, argillites, conglomerates, and reddish sandstones along the scattered sills and dikes of Ecoregion 64b during the Triassic Period. Ecoregions of New Jersey (EPA)
At Babylon there is a famous basalt statue of a man being mauled by a lion.
Basalt is a fine-grained igneous rock that is primarily composed of the iron- and magnesium-rich minerals pyroxene and olivine and calcium-rich plagioclase feldspar.
Finer and more ornamental varieties of volcanic stone were introduced from a distance, such as the _peperino_ or grayish-green tufa of the Alban Hills, the _Lapis Albanus_ of the ancients, with its glittering particles of mica interspersed throughout its mass; the hard basaltine lava from a quarry near the tomb of Cæcilia Metella, on the Appian Way, and from the bed of the Roman Mosaics Or, Studies in Rome and Its Neighbourhood
The Haluut Bulag melange is dominantly sedimentary with lenses of bedded limestone, sandstone, siltstone, and locally vesicular basalt, enclosed in a matrix of pelitic schist.
The stone made its debut in the second issue of the 1985 Antarctic Meteorite Newsletter, classified as a diogenite, a subgroup of the achondrites, stony meteorites that are akin to terrestrial rocks formed from magma such as basalts. The Case for Mars
Orthopyroxene forms in primitive (high-MgO) basalts but as differentiation proceeds, it is replaced by pigeonite once the enstatite component falls below 60 to 70 atomic percent.
Furthermore, studies of Palaeogene deposits from West Greenland have shown that in situ basaltic pyroclastic rocks can form important oil reservoirs.
On the teocalli Santiago stood like a statue of black basalt, facing the east, dagger held high -- a wild and terrible sight, naked as he was save for a wide silken girdle and that inhuman mask on his face. The Moon of Skulls
Large salt depressions with basaltic rock buttes (Yeroyulanduz Lake) harbor a number of halophile vertebrate and invertebrate species, many of them rare or endemic, such as gecko Bunopus tuberculatus and scorpion Kraepelinia palpator. Badkhiz-Karabil semi-desert
Great quantities of small stones resembling basaltes were in heaps round the edges, at a little distance from which the stones were perpendicular, and firmly bedded in the earth; many of them regular six-sided figures, and all fractured into laminae, from two to nine inches in thickness. Journals of Two Expeditions into the Interior of New South Wales
Here is the place to try a hot stone massage, where warm basalt stones from the desert's dry river beds are used in a deep massage to ease any knotted muscles.
The deepest layer is gabbro, coarse-grained but chemically equivalent to basalt, which forms when magma cools and crystallizes slowly.
Atlantis, so hints came to me steadily that Ponape and Lele and their basalt bulwarked islets were the last points of the slowly sunken western land clinging still to the sunlight, and had been the last refuge and sacred places of the rulers of that race which had lost their immemorial home under the rising waters of the The Moon Pool
In what manner such a mass of crystallized matter as the Giant's Causway and similar columns of basaltes, could have been raised without other volcanic appearances, may be a matter not easy to comprehend; but there is another power in nature besides that of expansile vapour which may have raised some materials which have previously been in igneous or aqueous solution; and that is the act of congelation. The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation
Near them is the red sandstone, lying under the basalt, and baked to a scoriaceous cinder. Scientific American Supplement, No. 363, December 16, 1882
Further east is Diyarbakir, a sultry place, where groups of Kurds lurk on the street corners and the black basalt of the walls and the cobbles fill the alleys with its funereal tones.
In the greenish cast of the thallium iodide driving light, Pat lands us gently on pillow basalts.
In practice many basalts also contain easily visible crystals of feldspar, pyroxene, olivine, or amphibole.
The rocks weighed about 40 kg and included two large pieces of unaltered vesicular basalt with many small attached organisms and numerous smaller rocks including a few glacial erratics.
The tholeiitic picrite basalts and basalts of the Mailaka sector have higher 87 Sr / 86 Sr and lower cNd 88 than the weakly alkaline basalts.
The three mountainous areas consist of large cores of igneous rocks (granites and basalts) surrounded by larger areas of metamorphic rocks, mostly schists and gneiss.
In the Canaries, the lavas are much more compositionally varied in each of these stages, ranging from tholeiitic basalts to phonolites and trachytes.
His lordship was much amused by this freshwater voyage; and viewed with delight the stupendous rocks of basaltes through which the The Life of the Right Honourable Horatio Lord Viscount Nelson, Volume 2
I could bear cowbells tinkling from the basalt villages of the Velay, 3000 feet above sea level.
The deposits of the National district of western Nevada, the most important war-developed antimony deposits of the United States, consist of stibnite veins with a gangue of fine-grained drusy quartz, cutting through flows of rhyolite and basalt. The Economic Aspect of Geology
The lithology of the bedrock can vary from basalt to sandstone and various carbonate rocks, but most caves form through the dissolution of limestone.
We report U-Pb crystallization ages for zircon grains and Ar-Ar whole-rock spectra for a hydrothermally altered granodiorite (31-17) at Medicine Lake Volcano, a half-million-year-old shield volcano of basalt through rhyolite composition. U-Pb and Ar-Ar constraints on the age of granitic intrusions beneath Medicine Lake Volcano, California, USA
For example, volcanic eruptions range from (1) effusion of lava fountains and flows with very little ash erupted, typical of basaltic magma eruptions; to (2) extremely explosive eruptions that inject large quantities of ash high into the stratosphere, typical of rhyolite and dacite magmatic eruptions. Volcanic ash hazards and ways to minimize them
The points had been chipped out of a shiny black basaltic schist. LISTENING WOMAN
In fluid magmas, such as those of basaltic composition, these gas bubbles can expand freely.
Upplysa, with its basalt arches and narrow, winding pathways, was the largest of the Order's colleges. THE BROKEN GOD
The copper contains many angular molds of calcite crystals and even a small group of native silver crystals; the matrix is a mineralized basalt.
Some are made up of dense, black, homogeneous basalt, with no visible mineral grains.
Hence olivine occurs in basalt, lava, obsidian, artificial scoriae in meteoric stones, in the syenite of Elfdale, and (as hyalosiderite) in the wacke of the Kaiserstuhl. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1
The Miocene volcanic rocks are mostly andesite, basalt, and pyroclastic rocks. Santa Monica Mountains (Bailey)
He adds that briny, acidic water would dissolve through alkaline basalt rock, not create puddles.
In this paper we describe the physical volcanology of basaltic pyroclastic deposits that were emplaced during the initial stages of Palaeogene flood volcanism in central East Greenland.
These geognostic relations of an instrument intended for the measurement of time -- this property of the pendulum, by which, like a sounding line, it searches unknown depths, and reveals in volcanic islands, * or in the declivity of elevated continental mountain chains, ** dense masses of basalt and melaphyre instead of cavities, render it difficult, notwithstanding the admirable simplicity of the method, to arrive at any great result regarding the figure of the Earth from observation of the oscillations of the pendulum. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1

How To Use Basalt In A Sentence

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