How to use Basaltic in a sentence
The town is indeed surrounded by basaltic rocks, the largest of them being the Radelstein (2460 ft.), from which a fine view is obtained.
Ansariya, which presently springs up into a high chain of Jurassic limestone with basaltic intrusions, whose peaks rise to 10,000 ft.
This iron is considered by several of the first authorities"on the subject to be of meteoric origin,' but no evidence hitherto given seems to prove decisively that it cannot be telluric. That the nodules found were lying on gneissic rock, with no basaltic rocks in the neighbourhood, does not prove that the iron may not originate from basalt, for the nodules may have been transported by the glaciers, like other erratic blocks, and will stand erosion much longer than the basalt, which may long ago have disappeared.
Its northern shores are bordered by the beautiful basaltic cones of the Bakony mountains, the volcanic soil of which produces grapes yielding excellent wine; the southern consist partly of a marshy plain, partly of downs.
A remarkable feature in the volcanic phenomena was the disruption of the basaltic plateaus by large bosses of gabbro and of various granitoid rocks.Advertisement
In the Willamette Valley the soils are mostly clay loams, of a basaltic nature on the foothills and greatly enriched in the river bottom lands by washings from the hills and by deposits of rich black humus.
The spurs consist in some cases of white chalk covering the limestone, and on the south there are several basaltic outbreaks.
On the plateau itself the sandstone is generally overlaid by the Deccan trap, a blackish-coloured basaltic rock of volcanic origin, the high level tableland having been formed by a succession of lava flows, the valleys of Central India being merely "denudation hollows" carved out by the action of rain and rivers.
It is apparently the northern limit of what was once a vast basaltic plain stretching from Goona to Belgaum, "one of the most gigantic outpourings of volcanic matter in the world."
In the Rajmahal Hills basaltic lava flows are interbedded with the Gondwana deposits, and in the Karharbari coalfield the Gondwana beds are traversed by dikes of mica-peridotite and basalt, which are supposed to be of the same age as the Rajmahal lavas.Advertisement
Where the streams cut their way through sheets of basaltic lava their banks are steep, almost vertical cliffs, but where they cut through sedimentary rocks the sides have a more gentle slope.
The chief occurrences of metallic iron are as minute spiculae disseminated through basaltic rocks, as at Giant's Causeway and in the Auvergne, and, more particularly, in meteorites (q.v.).
East of the Buttauf extends the basaltic plateau called Sahel el Ahma ("the inaccessible plain"), rising 1700 ft.
The plains of Esdraelon, and the Buttauf, and the plateau of el-Ahma are all remarkable for the rich basaltic soil which covers them, in which corn, cotton, maize, sesame, tobacco, millet and various kinds of vegetable are grown, while indigo and sugar-cane were cultivated in former times.
Immediately west of the watershed are two small plateaus covered with basaltic debris, near el-Jish and Kades.Advertisement
Most of the high peaks on the larger islands are basaltic, and the rocks generally are igneous, with occasional upheaved coral found sometimes over 1000 ft.
Here the coast turns westward, changing suddenly to sheer cliffs, where the basaltic formation intrudes its strange regular columns, most finely developed in the famous Giant's Causeway.
They come out as mica-schists under the Carboniferous sandstones of northern Antrim, and disappear southward under the basaltic plateaux.
The Triassic sandstones and marls, with marine Rhaetic beds above, are preserved mainly round the basaltic plateaus of the north-east, and extend for some distance into county Down.
The Lower Lias appears at intervals under the scarp of the basaltic plateaus, and contributes, as in Dorsetshire and Devonshire, to the formation of landslips along the coast.Advertisement
This chalk appears to underlie nearly the whole basaltic plateaus, appearing as a fringe round them, and also in an inlier at Templepatrick.
The more deep-seated type of these rocks is seen in the olivine-gabbro mass of Carlingford Mountain; but most of the igneous region became covered with sheets of basaltic lava, which filled up the hollows of the downs, baked the gravels into a layer of red flints, and built up, pile upon pile, the great plateaus of the north.
The basalt again broke out, through dikes that cut even the Mourne granite, and some of the best-known columnar masses of lava overlie the red deposits of iron-ore and mark this second basaltic epoch.
Red and grey sandstones, hornblende and argillaceous schist are found in the mountains, porphyry and basaltic rocks also occur; sulphur and fuller's earth are worked.
Although, in the explored portion of the Fuegian chain, the volcanoes which have been mentioned from time to time have not been met with, there seem to have existed to the south, on the islands, many neo-volcanic rocks, some of which appear to be contemporaneous with the basaltic sheet that covers a part of eastern Patagonia.Advertisement
No ordinary Tor indeed, as this tor isn't the usual granite, but rather basaltic lava.
In this dynamical process the time delay between infrasonic pulses should reflect the gas nucleation interval of 1-2 s of basaltic magma.
Upto 6 basaltic dikes intrude into these Triassic marls and mudstones.
We are particularly interested in the sources of basaltic rocks and greenstones, including serpentine, nephrites and sodic pyroxenes (jades ).
We are particularly interested in the sources of basaltic rocks and greenstones, including serpentine, nephrites and sodic pyroxenes (jades).
The basaltic magmas solidified into coarse-grained gabbroic rocks which form the earliest Cuillin Center.
The only historical event (AD 1886) erupted 1.3 km3 of purely basaltic tephra fallout killing about 150 people.
The rocks are mainly basalts and andesites, together with trachytes and phonolites, and some of the basaltic flows are of enormous extent.
In New South Wales lode tin occurs principally in the granite and stream tin under the basaltic country in the extreme north of the state, at Tenterfield, Emmaville, Tingha, and in other districts of New England.
Its sides show fine basaltic formation in places.
Amongst the places of interest round Marienbad is the basaltic rock of Podhorn (2776 ft.), situated about 3 m.
The exterior is covered with black and white marble; the interior is of grey limestone with bands of a dark basaltic stone.
Ejections of basaltic lava have been observed on the southern slope vo of this range, extending over wide areas on the plateau itself, over a stretch of more than 600 m.
Basaltic lavas are reported to have been found in the Aldan region.
In the islet of Lele, close to Kusaie, at the eastern extremity of Micronesia, the ruins present the appearance of a citadel with cyclopean ramparts built of large basaltic blocks.
The whole island is strewn with natural basaltic prisms, some of great size; and of this material, brought by boats or rafts from a distance of 30 m.
This basaltic hill, the name of which is believed to commemorate the British king Arthur, who from its height is said to have watched the defeat of the Picts by his followers, is shaped like a lion couchant, with head towards the north.
It lies in a hilly district rich in coal and iron, while a hard basaltic intrusion known as Rowley rag is largely quarried.
It is very picturesquely situated on the basaltic peninsula of Ramore Head, with a deep bay on either side, and a harbour protected by the natural breakwater known as the Skerries.
Bloodstone is not very widely distributed, but is found in the basaltic rocks of the Isle of Rum in the west of Scotland, and in a few other localities.
To the south lies a rolling plateau of basaltic formation (with the sacred town of Multai, and the springs of the river Tapti at its highest point), extending over the whole of the southern face of the district, and finally merging into the wild and broken line of the Ghats, which lead down to the plains.
The rocks in the Arakan range and its spurs are metamorphic, and comprise clay, slates, ironstone and indurated sandstone; towards the S., ironstone, trap and rocks of basaltic character are common; veins of steatite and white fibrous quartz are also found.
Kerguelen Island is of undoubted volcanic origin, the prevailing rock being basaltic lavas, intersected occasionally by dikes, and an active volcano and hot springs are said to exist in the south-west of the island.
Basalts and Tertiary brown coal deposits enter into the composition of the southern extremity of Bennett Island, and the mountains of Sannikov Land, seen by Toll, have the aspect of basaltic "table mountains."
The most remarkable cliffs are those formed of perpendicular basaltic columns, extending for many miles, and most strikingly displayed in Fair Head and the celebrated Giant's Causeway.
Faulting, probably in Pliocene times, lowered the basaltic plateaus to form the basin of Lough Neagh, leaving the eastern scarp at heights ranging up to 1800 ft.
The country generally is of sandstone or granite formation, with occasional trachyte and basaltic ranges.
At Trezza, on the eastern base of the mountain, basaltic rocks occur associated with fossiliferous Pliocene clays.
The lignites of Hesse, Cassel, &c., are interstratified with basaltic lava-flows which form the greater part of the Vogelsbarg and other hills.
On the west the most notable cliffs south of those of Cape Wrath and the Cambrian sandstones of Sutherland are to be found among the basaltic islands, particularly in Skye, where a magnificent range of precipices rising to moo ft.
The high tableland of the Balaghat lies for the most part upon the great basaltic formation which stretches across the Satpuras as far east as Jubbulpore.
Canna (pop. 49), an island of basaltic rock, is situated about io m.
Sanday (pop. 44), another basaltic island, lies close to the S.E.
It is in the main basaltic, but a band of quartz-porphyry runs from the centre in a north-westerly direction to the coast, and there is some oolitic rock on the north shores.
It is almost wholly basaltic, but has some oolite at the head of the bay on its north side.
The enormous mass of basaltic rock known as the Deccan Trap is of great importance in the geological structure of the Indian Peninsula.
They form some of the most striking physical features of the Peninsula, many of the most prominent hill ranges having been carved out of the basaltic flows.