An unstratified or igneous rock, generally found inferior to or associated with the oldest of the stratified rocks, and sometimes penetrating them in the form of dikes and veins.
A rock of a uniform texture, belonging to the unstratified and volcanic classes, which has an unctuous appearance like indurated pitch.
Upland gravel of various kinds and periods, consisting in some places of unstratified boulder clay or glacial drift.
Superposition, therefore, is not of the same value as a test of age in the unstratified volcanic rocks as in fossiliferous formations.
To this unstratified form of the deposit the name of TILL has long been applied in Scotland.
The rocks of which the globe is composed are divided into two great classes--the Stratified or Aqueous, and the Unstratified or Igneous.
The igneous unstratified rocks, included under the names of Granitic and Trappean, show no appearance of animal or vegetable remains.
A single unstratified example has been found in Williamsburg, coming from disturbed topsoil behind Capt.
On this evidence and on the evidence of unstratified sherds found in the occupation area, it is assumed that the complex had been abandoned by the middle of the 18th century.
Unstratified material from all areas of the cellar-hole excavation, derived from frost disturbances and the results of removing the walnut tree.
This is an unstratifieditem discovered on the bared clay surface on the promontory of Tutter's Neck overlooking the junction of Tutter's Neck and Kingsmill Creeks.
For the present moment it will be enough to consider the two grand divisions--Stratified rocks andUnstratified rocks.
The first two great classes of rocks, the unstratified and stratified rocks, represent different epochs in the world's physical history: the former mark its revolutions, while the latter chronicle its periods of rest.
A simpler term, however, quite as distinctive, and more descriptive of their structure, is that of the stratified and massive or unstratified rocks.
Unstratified Rocks may be divided into two distinct classes.
They are rarely, if ever, seen in unstratified rocks; but many layers of stratified rocks abound in these remains.
The road ran along a terrace, covered with long grass, and bounded by lofty banks of unstratified gravel and sand, and passed through beautiful groves of green pines, rich in plants.
Over much of the northern states there is spread an unstratified stony clay called the drift.
The unstratifiedportion of the drift consists chiefly of sheets of dense, stony clay called till, which clearly are the ground moraines of ancient continental glaciers.
Land ice is the only agent known which can spread unstratifiedmaterial in such extensive sheets.
In places theunstratified drift is heaped in hills of various kinds, which we will now describe.
The drift includes two distinct classes of deposits,--the unstratified drift laid down by glacier ice, and the stratified drift spread by glacier waters.
Example of juxtaposition of stratified and unstratified Drift, at Cambridge.
Upon what principle are the unstratified rocks divided?
Fluorine is found, though very sparingly, in nearly all the unstratified rocks.
The unstratified rocks are Granite, Hypersthene rock, Limestone and Serpentine, and the Trappean and Volcanic rocks.
The mineral species serpentine and limestone often occur unstratified in considerable quantities.
The other unstratified rocks have cooled so as to take the solid form below the stratified rocks, as at B.
These unstratifiedrocks are the material of all our quarries and great rocks.
The granite, the unstratified rocks, form the backbone of the continent; they are the underlying rocks.
Most of them were of the Depilto quartz rock and gneiss, and I saw many in the unstratified gravel near Ocotal fully eight miles from their parent rock.
These unstratified deposits consist mostly of quartz sand with numerous angular and subangular blocks of quartz and talcose schist.
Near Ocotal this unstratified formation is nearly level, excepting where worn into deep gulches by the existing streams.
There were the same rounded and smoothed rock surfaces, the same moraine-like accumulations of unstratified sand and gravel, the same transported boulders that could be traced to their parent rocks several miles distant.
On the banks of the river, from about a mile below Depilto, unstratified beds of gravel are exposed in numerous natural sections.
Sketch of Carboniferous strata at Kinghorn, in Fife, showing stratified beds (limestone and shales) surmounted by an unstratified mass of trap.
The loess consists of unstratified calcareous mud or dust, with a peculiar vertical fracture, and is interesting rather on account of the nature of its fossils and of its distribution than for its lithological characters.
Under this category comes much of the so-called Bergloess, with its abundant land-shells, and its generally unstratified character.
In general this peculiar accumulation is anunstratified clay, containing, scattered higgledy-piggledy through it, stones and boulders of all shapes and sizes.
According to Mr. Chamberlin, this unstratified material "is indistinguishable from true till, and is doubtless to be regarded as till pushed up into corrugations by the mechanical action of the ice.
Over much of the northern states there is spread an unstratifiedstony clay called the drift.
Stratified Drift overlaying Unstratified Drift, Massachusetts] The distribution also of the drift points clearly to its peculiar origin.
A provincial name given in England to basaltic rocks, and applied by miners to other kind of dark-colored unstratified rocks which resist the point of the pick.
Similar unstratified deposits were formed by the agency of ice.
I have stated in a previous article that the relative position of the stratified and unstratified rocks gives us the key to their comparative age.
Beside the stratified andunstratified rocks, there is still a third set, produced by the contact of these two, and called, in consequence of the changes thus brought about, the Metamorphic rocks.
A simpler term, however, quite as distinctive, and more descriptive of their structure, is that of the stratified and unstratified or massive rocks.
Unstratified blue clay or till, with small pebbles and fragments of Scandinavian rocks occasionally scattered through it, 20 feet thick.
The Coombe Rock is a mass of unstratified flints and Chalk debris filling the lower parts of the dry valleys (Coombes) of the South Downs and gradually passing into the brick-earth (loam) of the coastal plain.
Bald has recorded the circumstances under which a single elephant's tusk was found in the unstratifieddrift of the valley of the Forth, with the minuteness which such a discovery from its rarity well deserved.
A second unstratified mass of yellow and more sandy clay 40 feet thick, with pebbles and angular polished and striated blocks of granite and other Scandinavian rocks, transported from a distance.
The overlying unstratified boulder clays 3 and 4 were thrown down in deeper water by the aid of floating ice coming from the north.
They were embedded in stratified clays, with theunstratified boulder till both above and below them, and in the overlying unstratified drift were some boulders of granite which must have come from distances of 60 miles at the least.
A second sign of the former existence of glaciers over any area consists of an unstratified deposit of earthy material, of greater or less depth, in which scratched pebbles and fragments of rock occur without any definite arrangement.
Over northern Missouri and southern Illinois the deposit is nearly continuous, but less in depth, and everywhere in that region tends to hide from view the unstratified glacial deposit continuously underlying it.
Extensive unstratified deposits of clay and sand intermingled with scratched stones and loose fragments of rock.
The relative Position of the Stratified and the Unstratified Rocks.
The unstratified class are all colored red, to indicate their igneous origin.
For the unstratified rocks have certainly once been melted, and most of the stratified series were derived from the unstratified.
All theunstratified rocks have certainly been fused, and probably all the stratified rocks originated from the unstratified, and have been modified by water and heat.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "unstratified" in a variety of sentences. We hope that you will now be able to make sentences using this word.
