| 单词 | greensand |
| 例句 | They obtain phosphorus from rock phosphate and multiple trace elements from greensand mined from ocean deposits. Dealing, kindly, with stony ground It is the fifth ancient penguin species described from fossils uncovered at the Waipara, where a river cuts into a cliff of greensand. Human-sized penguin fossil discovered in New Zealand 2019-08-14T04:00:00Z As the bore gets deeper more irons are added, till the water-bearing greensand or "rock" is attained, usually in the second hundred feet of the bore. Highways and Byways in Cambridge and Ely 2012-02-03T03:00:22.657Z The road ascends the “hollow way” cut through the greensand, and a timber footbridge is flung across it leading from the Church to the Rectory. Tennyson and His Friends 2011-12-28T03:00:32.373Z I whipped the little pony on, and he began to trot down a cutting in the greensand, through which leads the station road. A Book of Ghosts 2011-07-08T02:00:19.203Z Mining for greensand is no longer economically viable for Inversand and the company would like to end operations. New Jersey fossil dig endangered by development plan 2011-07-02T15:10:22Z Similar bodies are found in the lower part of the Siluro-Cambrian, in the Quebec group at Point Levis; and there they are filled with a species of glauconite constituting a sort of greensand rock. The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants 2011-06-01T02:00:24.880Z Here and there along the Green gush out bright fountains of delicious water from artesian wells driven into the "greensand," some 200 feet below the surface. Highways and Byways in Cambridge and Ely 2012-02-03T03:00:22.657Z Certain rocks, as the so-called greensands or marls of eastern New Jersey, contain from 3 to 10 per cent of potash, which makes them valuable fertilizers. North America 2011-05-05T02:00:20.027Z It appears that the numerous caverns of the Morea occur in a compact limestone, of the age of the English chalk, immediately below which are arenaceous strata referred to the period of our greensand. Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology These breaching valleys, which are characteristic of the South Downs also, “carry us back to a time when the greensand and chalk were continued across, or almost across, the Weald in a great dome.” Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6 "Dodwell" to "Drama" These are small, hard, gray nodules, obtained by washing a stratum, of about one foot in thickness, lying in the upper greensand formation in Cambridgeshire. The Galaxy, Volume 23, No. 2, February, 1877 This separated out the nodules, while the greensand and water was run off as thick mud; used, when dry, for levelling the land, and sometimes for brick-making. Highways and Byways in Cambridge and Ely 2012-02-03T03:00:22.657Z That it is by them is shown by the stone used, which is greensand and not the Caen stone of later-Norman workmen, and by differences in working. Bell's Cathedrals: The Cathedral Church of Rochester A Description of its Fabric and a Brief History of the Episcopal See The variety of their strata make the cliffs interesting to geologists, for here are found layers of different kinds of chalk, limestone, greensand, marls, chert, and interspersed lines of flints. Devon, Its Moorlands, Streams and Coasts The rivers “then ran down the slopes of the dome, and as the chalk and greensand gradually weathered back ... deepened and deepened their valleys, and thus were enabled to keep their original course.” Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6 "Dodwell" to "Drama" Then where is all the rain and snow gone, which falls on them year by year, but into the chalk itself, and into the greensands, too, below the chalk? Health and Education There are, however, many beds of marl, greensand, gypsum, limestone, saline and vegetable deposits available for the improvement of farming lands, in the Union. The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. Antonyms: unmarketable, unsalable. marl, n. greensand. marriage, n. matrimony, wedlock; wedding, nuptials, espousals, nuptial rites. Putnam's Word Book The "coprolites" were phosphatic nodules found in the greensand and dug for use as manure. Early Britain—Roman Britain Between the chalk and the gault clay is a very narrow band of upper greensand, only occasionally noticeable in the southern range, but strongly marked in the North Downs. Seaward Sussex The South Downs from End to End Shankland or greensand, “a triple alternation of sands and sandstones with clay;” 2. Vestiges of the Natural History of Creation This is probably sand from the Hind Head; from what geologists term the greensands, below the chalk. Scientific Essays and Lectures For the present we must be content with the fact that, in certain areas of the "intermediate zone," greensand is replacing and representing the primitively calcareo- silicious ooze. Discourses Biological and Geological Essays The fertilizing minerals—gypsum, marl, and greensand—abound, and their judicious use readily restores the lands when exhausted by improvident cultivation. Three Acres and Liberty North and south of this ridge is the lower greensand, forming in Sussex the low hills near Heathfield, Cuckfield and Petworth, and which reaches the sea south and north of Hastings. Seaward Sussex The South Downs from End to End The above theory is by no means inconsistent with the opinion that the limits of the outcrop of the chalk and greensand which the escarpments now follow, were originally determined by marine denudation. The Student's Elements of Geology But now we may read in the Supplement to Lyell's 'Manual,' published in 1858, clear evidence of the existence of whales in the upper greensand, some time before the close of the secondary period. On the Origin of Species By Means of Natural Selection, or, the Preservation of Favoured Races in the Struggle for Life At present there is no evidence that greensand casts are ever formed at great depths; nor has it been proved that Glauconite is decomposable by the agency of water and carbonic acid. Discourses Biological and Geological Essays Nor do I see my way to the acceptance of the suggestion of Dr. Carpenter, that the red clay is the result of the decomposition of previously-formed greensand. Discourses Biological and Geological Essays |
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