It is practically certain, however, that the climax of oil production in the United States will be reached before many years--long before that of bituminous coal.
The greatest production of coal by far is from the Appalachian Mountain and Allegheny Plateau districts, from the western half of Pennsylvania to Alabama, where all the coal is bituminous of Pennsylvanian Age.
Vast bituminouscoal fields have contributed to the growth of the manufacturing industries.
Bituminous coal is the fuel which runs the factories, railways and steamships of the world.
Asphaltum= (or mineral pitch) is a bituminous mineral substance found more or less pure, in some localities.
From the description given of it, it is evidently the bituminous oil, called petrolium or naphtha, which forms a principal ingredient in the potent medicine called British Oil.
The banks of the river were in many places precipitous with strata of bituminous coal.
The richest of this bituminous coal is called fat, or fusing coal.
Bituminous coal is plentiful, and scattered all over the country, while anthracite is scarce.
Ohio beds, formed at the same time, but undisturbed by heat and pressure, are bituminous yet.
Tremendous pressure and heat due to shrinking of the earth's crust have crumpled and twisted the strata containing coal in eastern Pennsylvania, and thus changed bituminous coal into anthracite.
New processes were invented by which valuable gas and coal tar are taken out of bituminous coal, leaving, as a residue, coke that is equal in quality to that made from the Connellsville coal.
It must be admitted, however, that the term "coal" is here being extended to only partially fossilized vegetation of younger geological age than true coal, and to bituminous shales of various ages.
Experts gave evidence on both sides; some declared in favour of the substance being coal, others said it was a bituminous shale, while others called it bituminated clay, or refused to give it a name at all.
Bituminous shales of different kinds are distilled at a low red heat in iron retorts, and from the volatile portions there are separated those valuable products which have already been alluded to, viz.
From the softest bituminousto the hardest anthracite, that work was done.
The plan of the Superpower Commission regards coal--bituminous coal especially--as nothing more than fuel.
In peace times one-third of our ordinary bituminous production is used to generate steam for transportation, and more than one-third of all the tonnage carried by the railroads is coal.
In that year, for the purposes of negotiation with the federal government relative to the controlled production and price of bituminous coal, they organized the National Coal Association.
And what is true of the compact and peculiarly prosperous anthracite region is even more true of the sprawlingbituminous fields.
But the main dependence of the projected superpower system is still the bituminous coal supply which it is planned to keep at its old job of raising steam to drive the turbine engines which will in turn drive the electric dynamos.
The bituminous miners were eager to declare a sympathetic strike, but they had collective agreements in the more important fields and their president, John Mitchell, and their secretary, William B.
Moreover our modern chemical industries, such as the dye industry, are based upon the substances contained in bituminous coal, most of which are wasted in our customary methods of consumption.
BLOCH, LOUIS $Coal Miners' Insecurity;$ Facts about Irregularity of Employment in the Bituminous Coal Industry in the United States.
The most valuable of our coals are in the Appalachian bituminous fields that stretch from northern Pennsylvania to Alabama, and in which some of the best sections have already been gutted and abandoned.
In eastern Pennsylvania seams of bituminous coal were altered to anthracite, while outside the region of strong deformation, as in western Pennsylvania, they remained unchanged.
A source below, usually a bituminous shale, from whose organic matter they have been derived by slow change.
Thus, next to a dike, bituminous coal may be baked to coke or anthracite, and chalk and limestone to crystalline marble.
East of the Alleghenies the deposits are anthracite, while the bituminous fields occupy the southwestern section of the state.
Its geological features are, in general, similar to those of the eastern ranges; but about its summit, the sandstones of the coal formation begin to appear alternating with narrow beds of bituminous clay-slate.
This rock frequently contains alternating beds of coal, bituminous shale, and its accompanying minerals.
The rocks about these springs belong to the secondary formation, and are limestone, variegated sandstone, and bituminous shale: we were informed that two hundred and fifty gallons of this water yield one bushel of salt.
It holds a cradle, large enough and strong enough to accommodate a single steel railroad "gondola," which in turn carries fifty tons of bituminous coal.
The United States Geological Survey shows one eighth of the total coal area of the nation to be in this region; it supplies nearly one quarter of all the country's bituminous coal.
I had an opportunity to cross it on foot, and to examine in the vicinity those evidences of the coal formation which are found in masses of bituminous shale, slaty coal and petroleum.
They anoint their children with a bituminous ointment at their birth, to prevent the growth of hair.
It is the shire town of a county of the same name; has a handsome courthouse of freestone; the neighbouring regions are fertile, and beds of bituminous coal are found in the vicinity.
It is distinguished for the salines upon its banks, for its exhaustless beds of bituminous coal, for the fertility of the soil, and for a singularly-formed eminence among the bluffs of the Mississippi, a few miles from its mouth.
In these bluffs lies an exhaustless bed of bituminous coal: vast quantities have been transported to St. Louis, and for this purpose principally is the railway to the river designed.
It is also much preferable to the bituminous coal, which is the only sort of coal in use with us; it makes no smoke, and is much more cleanly, not soiling the carpets and drapery.
The disengagement of all these gradually transforms ordinary or bituminous coal into anthracite, to which the various names of splint coal, glance coal, culm, and many others, have been given.
One of these, the main seam, is in some places from 30 to 40 feet thick, composed of pure bituminous coal.
The Kimmeridge clay consists, in great part, of a bituminous shale, sometimes forming an impure coal several hundred feet in thickness.
In some places in Wiltshire it much resembles peat; and the bituminous matter may have been, in part at least, derived from the decomposition of vegetables.
A continuance of decomposition changes this lignite into common orbituminous coal, chiefly by the discharge of carburetted hydrogen, or the gas by which we illuminate our streets and houses.
It will be sufficient to remark, that naphtha or rock oil is a yellow or brownish bituminous fluid, of a strong, penetrating odour, and so light as to float on spirits of wine.
It is also found with bituminous wood, brittle lignite, or jet, and with other substances.
The bituminous schistus, or bituminous shale, sometimes contains so much of this substance as to burn in the fire.
When petroleum is exposed to the atmosphere, it acquires a greater degree of consistence, and passes into another bituminous substance, called maltha.
The stink stone, or bituminous carbonate of lime, is of this kind.
There are copious springs of this oil in that neighbourhood, and it is sometimes obtained by distilling bituminous substances.
Silliman, observes, that there exists a black substance in the clay under the rocks, of a bituminous appearance and smell.
It is inflammable, producing a green flame, with a strong bituminous odour.
Perhaps volcanic action may account for the volatile bituminous oils and gases having been driven off the original deposits.
Anthracite has been found in Cebú, [155] and satisfactory trials have been made with it, mixed with British bituminous coal.
The subordinate rocks consist of marl, gypsum, and inflammable bituminous schists.
Having lost a portion of its elementary constituents, it has become transformed into a species of carbon, impregnated with those bituminous substances which are the ordinary products of the slow decomposition of vegetable matter.
In some parts of Wiltshire the beds of bituminous matter have a shaly appearance, but there is an absence of the impressions of plants which usually accompany the bitumen, derived from the decomposition of plants.
Fournet saw in Languedoc, near Roujan, traces of some of these formations; and not far from that neighbourhood is the bituminous spring of Gabian.
It is composed of a diversified mass of Magnesian Limestone, generally of a yellow colour, but sometimes red and brown, and bituminous clay, the last black and fetid.
On the other hand, the strata of black, bituminous coal appear in the hills for many hundred miles.
We again observed the black strata of the bituminous coal, and found fine fragments, which had fallen down, together with the pieces of the grey sand-stone of the adjoining strata.
Under those red cones we generally saw a stratum of the bituminous coal; both often appeared together.
The resinous spores, or seeds of the Lepidodendra make up--as said above--a great part of the bituminous coal.
You find gradations between them and beds of lignite, or wood coal; then gradations between lignite and common or bituminous coal; and then gradations between common coal and culm, or anthracite, such as is found in South Wales.
A bituminous mineral resembling asphaltum, found in the county of A.
A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen, in consequence of which it burns with a nearly non luminous flame.
The Marl Slate is an argillaceous shale, often containing bituminous matter, and yielding several fish-remains and some plants; it is usually only a few feet in thickness.
It is bituminous coal which has been pressed solid by the great mass of earth above it.
All the hills which rise from the river back of Pittsburg have a thick stratum of bituminous coal running through them, which can be mined without shafts, or any of the usual accessories of mining.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "bituminous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
