The deposits of Colorado and Utah are large lens-shaped bodies containing roscoelite (a vanadium-bearing mica) in fissures and brecciated zones and replacing the cementing materials of flat-lying sandstones.
Dark clays have become yellow, or often snow-white; or have assumed a chequered or brecciated appearance, being crossed with ferruginous red stripes.
The well-known brecciated limestones of the Pyrenees appeared to me to present the nearest analogy, but on a much smaller scale.
Sometimes the limestone appears in a brecciated form, the fragments which are united together not consisting of foreign rocks but seemingly composed of the breaking-up of the Permian limestone itself, about the time of its consolidation.
Broken in place; -- said of rocks having a broken or brecciated structure due to crushing, in contrast to those of brecciated materials brought from a distance.
These waters deposited around the spring a brecciated mass of quartz and feldspar, much of it of a reddish color.
For upon the most cursory inspection of the vein, the eye is arrested at once by the large masses of crystalline orthoclase, the heavy beds of a gray, brecciated quartz and the zones and columns of large leaved mica.
It is in this gray brecciated quartz that the beryls are found.
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.
In some of these intrusive masses, the porphyries exhibit, more or less plainly, a brecciated structure, like that often seen in volcanic masses.
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.
These red and green rocks are often quite distinct, and often pass into each other; the passage being sometimes affected by a finebrecciated structure, particles of the red and green matter being mingled together.
A stratum, eighty feet thick, of hard and very compact impure whitish limestone, weathering bright red, with included layers brecciated and re- cemented.
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.
Much of the above granular mixture has, also, a pseudo-brecciated structure, in which fragments are obscurely arranged in planes parallel to those of the stratification, and are conspicuous on the weathered surfaces.
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.
The first little range is composed of a brecciated purple porphyritic claystone, with obscurely marked strata dipping at 70 degrees to the S.
I could not satisfy myself whether this variety of colour proceeded from partial impregnations of bitumen, or from a brecciated structure.
And with this explanation, most people, looking at a brecciated agate, or brecciated anything, seem to be satisfied.
Deucalion": and the work went on, in studies of the forms of silica, on the lines marked out ten years before in the papers on Banded and Brecciated Concretions; now carried forward with much kind help from the Rev.
Earth movements may shatter the rocks, producing fissures afterwards filled with veins of calcite; in this way the beautiful brecciated or veined marbles are produced.
A fine brecciated marble is found on the Maryland side of the Potomac, below Point of Rocks.
These layers are sometimes brecciated and re-cemented, as if they had been broken by the slipping of the sand when soft.
They contain much ferruginous matter, either in the form of minute grains with a metallic lustre, or of brown hair-like threads: the rock in this latter case assuming a pseudo-brecciated structure.
There are also handsome brecciated marbles in the same state; and in the extreme northern part, near Lake Champlain, they become more variegated and rich in hue.
In one place on the plateau a tuff-agglomerate is penetrated by veins, a few inches thick, formed apparently of a finely brecciatedtuff of basic glass fragments in a palagonitic matrix.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "brecciated" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: grainy; granular; granulated; gravelly; gritty; pebbly; sandy; shingled
