单词 | brecciate |
例句 | The host rocks, which commonly include the stock itself and the surrounding country rocks, are normally highly fractured and brecciated. Physical Geology 2015-01-01T00:00:00Z S., good sections of these old brecciated alluvia occur. Early Days in North Queensland 2012-01-24T03:00:29.987Z The rauchstein of the modern section is distinguished by stringers of calcite, which give it at times a brecciated appearance. De Re Metallica, Translated from the First Latin Edition of 1556 2011-11-16T03:00:21.977Z Continued movement will give the brecciated fragments of sandstone a rounded form by rubbing them against one another, and, in this way, a crush-conglomerate is produced. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" It is also applied to those brecciated and stalagmitic deposits on the floor of caves, which frequently contain osseous remains. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" I could not satisfy myself whether this variety of colour proceeded from partial impregnations of bitumen, or from a brecciated structure. Narrative of a Second Expedition to the Shores of the Polar Sea Cassiterite occurs as a pseudomorph after orthoclase felspar in some of the altered granite of Cornwall, and it has occasionally been found as a cementing material in certain brecciated lodes. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 4 "Carnegie Andrew" to "Casus Belli" The limestone in it has become crystalline, veined and brecciated, while a fine red staining, especially at Little Island, adds to its value as a marble. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 4 "Coquelin" to "Costume" Many of the trachytic beds are brecciated and highly columnar; sedimentary beds are also interstratified with those of volcanic origin. Volcanoes: Past and Present A brecciated marble of intense black and pure white, the centre of the lower range in Plate III. h. The Stones of Venice, Volume II (of 3), In the vicinity of Leesburg and north of that town, and between the Catoctin Mountain and the Potomac River, the conglomerate limestone or brecciated marble is found in abundance, associated with red shale. History and Comprehensive Description of Loudoun County, Virginia In one part of the mine, wooden props support an overhanging ledge almost entirely composed of feldspar, which underneath passes into the gray brecciated quartz, which again grades into a white, more compact quartz rock. Scientific American Supplement No. 822, October 3, 1891 The grains of the constituent minerals, quartz, feldspar and magnetite have an angular brecciated appearance; showing uneven extinction and strong crushing effects. The Long Labrador Trail These waters deposited around the spring a brecciated mass of quartz and feldspar, much of it of a reddish color. The Exploring Expedition to the Rocky Mountains, Oregon and California To which is Added a Description of the Physical Geography of California, with Recent Notices of the Gold Region from the Latest and Most Authentic Sources For mantels, fire-places, porch pillars, and like ornamental purposes, however, our variegated, rich colored and veined or brecciated marbles were in use some time before exterior walls were made from them. Scientific American Supplement, No. 360, November 25, 1882 Limestone, block of striated. —, brecciated. — of chemical and organic origin. —, compact. The Student's Elements of Geology It is in this gray brecciated quartz that the beryls are found. Scientific American Supplement No. 822, October 3, 1891 Great masses of the solid rock are brecciated, and it was generally impossible to discover whether the recementing process had been an igneous or aqueous action. Geological Observations on South America These layers are sometimes brecciated and re-cemented, as if they had been broken by the slipping of the sand when soft. Volcanic Islands D.—A low projecting ledge of brecciated coral-rock washed by the waves at high water. Coral Reefs A stratum, eighty feet thick, of hard and very compact impure whitish limestone, weathering bright red, with included layers brecciated and re- cemented. Geological Observations on South America Bed 7, blackish-grey, much indurated, calcareous mudstone, with extraneous particles of unequal size; the whole being in parts finely brecciated. Geological Observations on South America Occasionally this rock is somewhat curious; and at one spot, namely, at the C. of Quillota, it had a brecciated structure. Geological Observations on South America This ridge consists, as before remarked, of grey feldspathic lavas, and of red, brecciated, argillaceous tuffs, like the beds of the upper coloured series. Volcanic Islands These red and green rocks are often quite distinct, and often pass into each other; the passage being sometimes affected by a fine brecciated structure, particles of the red and green matter being mingled together. Geological Observations on South America Another variety was of a dull- red colour, having a claystone brecciated basis, including specks of oxide of iron and of calcareous spar, and amygdaloidal with green earth: there were apparently several other varieties. Geological Observations on South America The clay-slate, in its upper half, is frequently brecciated, the embedded angular fragments being of nearly the same nature with the paste. 2nd. Geological Observations on South America In some of these intrusive masses, the porphyries exhibit, more or less plainly, a brecciated structure, like that often seen in volcanic masses. Geological Observations on South America Seventhly: red sedimentary matter or sandstone like that of bed One, several hundred feet in thickness, and including jaspery layers, often having a finely brecciated structure. Geological Observations on South America The commonest variety is a dull-red, compact, finely brecciated stone, containing much iron and innumerable white crystallised particles of carbonate of lime, and minute extraneous fragments. Geological Observations on South America |
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