Guyot, Escher, and others, marking out by distinct colours the limits of the ice-transported detritus proper to each of the great river-basins.
Each of these groups of detritus is observed (see map, Figure 43) to contain exclusively the wreck of such rocks as occur in situ on the Alpine heights of the hydrographical basins to which the moraines respectively belong.
Civilization he felt, would surge onward with amazing rapidity fostered by this detritus of the distant past.
As he worked his way among the detritus of the Metropolitan, he kept sharp watch for the wreckage of a hardware store.
Here or there a heap of whitish dust betrayed where some of its detritus still lay.
What an inconceivable tangle of detritus those streets must be!
Moss, lichens and weeds grew on the steps, flourishing in the detritus that had accumulated.
The Libyan chain here forms a kind of amphitheatre of vertical cliffs, which descend to within some ninety feet of the valley, where a sloping mass of detritus connects them by a gentle declivity with the plain.
This detritus has, in each locality, a more or less special character; determined by the nature of the strata destroyed.
Further, thedetritus of each of these groups of strata will, as the point of outcrop moves westwards, be deposited over the detritus of the group in advance of it.
The stuff of which the detritus is composed evidently came originally from the high plateau, and was washed down, with the flints, in ancient times.
Pitt-Rivers, in the bed of diluvial detritus which is apparently débris from the plateau brought down by the Palæolithic wadi streams?
Pitt-Rivers discovered Palæolithic flints in the deposit of diluvial detritus which lies between the cultivation and the mountains on the west bank of the Nile opposite Luxor.
These hypertrophied portions are also removed, and every particle of the dust-like detritus cleaned away.
Issuing from the opening is seen occasionally a little inspissated pus; more often, however, the dry, mealy-looking detritus to which we have before referred.
If by chance the detritus accumulates rapidly, the slope is steepened and the work of the torrent made more efficient.
Near the coast line the effect of the waves is continually to shove the detritus up the slopes of the continental shelf.
While the greater part of this detritus will descend to the bottom of the vessel in the course of a day, a portion of it does not thus fall.
It would be possible, indeed, to make yet another division, including those areas which when emerging from the sea were covered with fine, uncemented detritus ready at once to serve the purposes of a soil.
If by any chance the supply of detritus is increased, they fill in between the horns, diminish the incurve of the bay, and so cause its beach to be more exposed to heavy waves.
The scratches on the bed rocks, and the accumulations of detritus formed as the ice disappeared, have alike been worn away by the agents of decay.
The fragments of a soluble kind begin to be dissolved, and are redeposited, so that the mass commonly becomes much more solid, passing from the state of detritus to that of more or less solid rock.
As we follow down the stream, however, and study its action in relation to these terraces, and the peculiar history of the detritus of which they are composed, we perceive that these latter accumulations are very important features.
Where the slopes are steep and streams abound, we rarely find detritus which belonged in rock more than a hundred feet above the present surface of the soil.
It is still engaged in filling up the Bay of Bengal on one side by the detritus of the Ganges, and the Arabian Sea on the other by the sand-banks of the Indus.
The answer is, Mainly from the detritusof the mountains.
For there is much detritus and much first-rate soil even on hills not covered by glaciers.
The sea just referred to probably existed throughout the greater part of the Glacial period; and icebergs, which originated from the Scandinavian glaciers, would have brought detritus and boulders to the lowlands.
These produced icebergs as soon as the lower parts had advanced to the Baltic coast-land and deposited their detritus in the sea.
The sea is supposed to have covered the Northern Russian and German plains, and into it icebergs discharged the detritus which had accumulated on them when they were still Scandinavian glaciers.
By the rain wash and wind action detritus from the mountains is carried to these valley floors, raising their level, and often burying low mountain spurs, so as to cause neighbouring valleys to coalesce.
There are stony wastes, or alluvial fans, where mountain streams emerge upon the plains, in time of flood, bringing detritus in their torrential courses from the mountain canyons and depositing it along the mountain base.
The next below it also sends off bergs occasionally, though a narrow strip of glacial detritus separates it from the tidewater.
Therefore, were the water and rocky detritus cleared away, a sheer precipice of ice would be presented nearly two miles long and more than a thousand feet high.
Soundings made by Captain Carroll show that seven hundred and twenty feet of the wall is below the surface, and a third unmeasured portion is buried beneath the moraine detritus deposited at the foot of it.
It is characterized by a superficial excavation, and by being covered with a grayish detritus entirely different from the purulent layers seen on other kinds of ulcers.
Meanwhile, there is abundant salivation, the products of which pour from the mouth, at first sanguinolent, and subsequently dark and putrescent and mixed with detritus of the tissues.
The red islets of tissue already alluded to consist of the fatty detritus mixed with crystals of haematoidin.
The presence in a tuberculous subject of a unilateral, irregular ulcer of the tongue surmounted with grayish detritus and surrounded by reddened edges, should suffice for the recognition of its presumptive tuberculous character.
The bolus is then often regurgitated immediately after its deglutition, and may be covered with mucus, blood, pus, or fragments or detritus of ulcerated malignant growth, according to the nature of the case.
The caseous depot melts from within outward into a whitish-yellow, whey-like fluid, which holds a fatty granular detritus suspended in smaller or larger fragments.
Then a dense cloud of dust and detritus arose to windward and advanced with a strident moan.
Atavism is a curious and an awful thing; an influence may rise through the dark detritus of inconceivably remote time, take our lives in its shadowy hands, and shape them to strange ends.
They were found in riffle areas, in aquatic vegetation, and especially in detritusalongside banks.
Often they were found in backwaters and many times schools were taken over bottoms where mud and detritus had been deposited.
On June 15 in Otter Creek young darters were abundant in streamsidedetritus and in clear, shallow, rubble riffles.
The water was foul; cows had been fed fodder in a sheltered area above the pool during the preceding winter and the entire bottom was covered to a depth of 6 inches to 1 foot with a detritus of decomposing fodder, cattle feces, and leaves.
In the course of the centuries the sea has been driven out by deposits of detritus brought down by the Nile.
All of what was Babylonia has been formed by detritus (silt) brought down by the Tigris and the Euphrates.
The Oxus itself is steadily encroaching on its right banks and depositing detritus on the left.
In India agates occur abundantly in the amygdaloidal varieties of the Deccan and Rajmahal traps, and as pebbles in the detritus derived from these rocks.
The most probable explanation is that the Flysch consists of the detritus washed down from the hills upon the flanks of which it was formed.
The amount of alluvial matter carried is enormous; from Ruwenzori alone the detritus is very great.
Against this theory it may be said that, when popular tales have incidents similar to Greek heroic myths, the tales are not detritusof myth, but both have a more ancient tale as their original source.
Fairy tales are detritus of myth, surviving echoes of gods and heroes.
Occasionally in the spring, great masses of this detritus slide down the mountains, and cover the snow-drifts in the valleys, thus forming natural ice-houses.
This sandstone, composed in a large proportion of detritus of both land and sea shells mingled with quartz sand, appears to have been consolidated under water during an ancient period of subsidence.
Sand, which is found in beds or strata at the bottom of the sea or in the channels of rivers, as well as in extensive deposits upon or beneath the surface of the dry land, appears to consist essentially of the detritus of rocks.
It tells us that at the time when the Grampians sent streams anddetritus to straits where now the valleys of the Forth and Clyde meet, the greater part of Europe was a wide ocean.
