How to use Ironstone in a sentence
Ironstone is not extensively wrought, but, on account of the abundant supply of coal, large quantities are imported for smelting purposes.
We may mention also graphiticschists containing dark scaly graphite (often altered forms of carbonaceous shales), and haematite-schists which may represent beds of ironstone.
The mineral wealth of Saxe-Coburg-Gotha is insignificant, small quantities of coal, lignite, ironstone and millstone being annually raised.
West of the volcanic region, nearer to Lake Victoria and the Eastern province, ironstone, granite, gneiss and schistose formations predominate, with phonolite in places.
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.Advertisement
The district is rich in limestone, coal, ironstone, shale and fireclay, all of which are worked.
These hills are either of sandstone or ironstone and in altitude vary from about 4800 ft.
Ironstone hills are numerous in the south-west districts.
Coal and ironstone are mined; there are iron-works, and bricks, hats, ribbons and tape and silk are made.
Ironstone is found in the Wadhurst Clay, a subdivision of the Hastings beds, clays and calcareous ironstone in the Ashdown sand, but the industry has long been discontinued.Advertisement
Coal, ironstone and clay are mined in close proximity, and every sort of iron and steel goods is produced.
Ironstone and roofing slates are quarried, and there is some industry in agatepolishing and the manufacture of trinkets.
This is one of the largest townships in the Cleveland ironstone district, and its industrial population is wholly employed in the quarries.
The large ironstone quarries have not wholly destroyed the beauty of the district.
In the neighbourhood there are also coal and ironstone mines.Advertisement
Iron ore, ironstone, gold, galena, lead and copper are also found in considerable quantities in many districts.
The townwalls are built of flint and concrete bonded with ironstone, and are backed with earth.
Among the industries are manufactures of cotton, lace and embroidered muslins, and carriage-building, and there are also large market gardens, the district being famed especially for its apples, and some dairy-farming; but the prosperity of the town depends chiefly upon the coal and ironstone of the surrounding country, which is the richest mineral field in Scotland.
They include worsted spinning mills; collieries, ironstone mines, quarries and brickworks; the manufacture of iron and steel, both in the rough and in the form of finished articles, as locomotives, bridge castings, ships' engines, gun castings and shells, &c. The parliamentary borough returns one member.
This is one of the principal centres from which the great ironstone deposits of the Cleveland Hills are worked, and there are extensive blast-furnaces, iron-foundries and steam sawing-mills in the district.Advertisement
In the neighbourhood ironstone is obtained.
The district abounds in coal, lime and ironstone.
The larger part of Lorraine belongs to France, but the German part nossesses great mineral wealth in its rich layers of ironstone (siderite) and in the coal-fields of the Saar.
Other influences have of course contributed largely to the development of the country, but among them all the chief place must be assigned to that fortunate geological structure which, amid the revolutions of the past, has preserved in the centre of Scotland those fields of coal and ironstone which are the foundations of the national industry.
More than one-third of the iron ore (that chiefly worked being Black Band Ironstone) comes from mines which also yield coal.Advertisement
They consist of three divisions; coal occurs in the upper and lower, ironstone (without coal) in the middle division.
The ore is partly a clay ironstone, like that occurring in the Coalmeasures of England, partly an oxide of iron or haematite, and it generally contains phosphorus.
Ironstone, coal and limestone are worked in the parish.
The supply of limestone and ironstone in Glamorganshire is said to be practically unlimited.
Intrusive dikes - locally known as ironstone - by preventing erosion are often the cause of the flat-topped hills which are a common feature of the landscape.Advertisement
Coal, limestone and ironstone are mined in the neighbourhood.
The number of ironstone and other mines decreased in the period noticed from 55,907 to 31,606.
Ironstone hills, estimated to contain millions of tons of ironstone of superior quality, have been reported in the south-eastern region.
Geologically, Banka resembles the Malay Peninsula, its formations being mainly granite, Silurian and Devonian slate, frequently covered with sandstone, laterite (red ironstone clay) of small fertility, and alluvium.
Coal, limestone and ironstone are mined.Advertisement
From the year 1851, when John Vaughan discovered the presence of ironstone in the Eston hills, the town advanced rapidly.
The islands are of ironstone formation overlying quartzite and crystalline schists.
In the vicinity are very productive mines of coal and ironstone, as well as sand of fine quality for casting, and grinding-stones for cutlers.
There are no mines in the colony, nor any apparent mineral wealth, except ridges of ironstone in the regions above McCarthy's Island.
The Lower Lias comes next in order, with a valuable bed of ironstone now largely worked.Advertisement
The Kimeridge clay is succeeded by the Spilsby sandstone, Tealby limestone, Claxby ironstone, and carstone which represent the highest Jurassic and lowest Cretaceous rocks.
Ironstone is worked at several places and there are some blast furnaces.
Other historic industries of Lincolnshire are the breeding of horses and dogs and rabbitsnaring; the Witham was noted for its pike; and ironstone was worked in the south, now chiefly in the north and west.
Many shales contain great numbers of ovoid or rounded septarian nodules of clay ironstone.
The beds of ironstone and clunch, lying contiguous to the coal strata, mostly exhibit vegetable impressions.Advertisement
Traditionally the woods were coppiced to provide charcoal for the forge which processed ore from locally mined ironstone.
It is the Northamptonshire Sand which contains the distinctive ironstone with which so many buildings in Northamptonshire and surrounding counties are constructed.
The oldest buildings are mostly of cob or Burley Rock - a local ironstone - with thatched roofs.
Many of Leicestershire's building are of brick, but in eastern Leicestershire and Rutland warm brown Jurassic ironstone is a common material.
It is a surprise to stumble upon the dramatic red bulk of Castelnau Castle, built on a shoulder of red ironstone.Advertisement
The nature of the settlement is uncertain because of extensive 19th and 20th century ironstone quarrying that effectively destroyed much of the site.
Discovery of a seam of blackband ironstone led to considerable wealth.
The site of Bole Hill Quarry is then passed, where in the 18th century ironstone was mined.
The once extensive 3ft 0in gage ironstone system at Eastwell in northeast Leicestershire also had a snowplow.
Dump of iron-rich material - a small heap of low grade iron ores, including a few nodules of coal Measure ironstone.
The Ridges on the southern boundary of the site has an early iron smithy and an ironstone mine dating to before 1631.
Potassium bichromate, K 2 Cr 2 0 7, is obtained by fusing chrome ironstone with soda ash and lime (see above), the calcium chromate formed in the process being decomposed by a hot solution of potassium sulphate.
Unknown to him, he had just stumbled across what was going to be the main seam of ironstone in East Cleveland.
Ironstone within a small outcrop of the Lower Greensand at Seend was formerly quarried and the ore smelted on the spot.
Thus the coal seams were laid down, together with their associated layers of clay, ironstone and strata of limestone.
The principal substrata are limestone and freestone of excellent quality; and along the banks of the river, ironstone is found in abundance.
The ironstone seam varied in thickness from 8ft at the outcrop to 5ft high and 80 yards wide where mining was abandoned.
Fine dinnerware may be made of delicate china, while casual types can be made of melamine, Corelle, ironstone, or other materials.
Ironstone Merlot 2005 - This California merlot is priced around $9 a bottle and is a great every day drinking wine.
Alex had some nice ironstone dishes, but only a set of four.
Ironstone, peat and lime are found in the vicinity.