. The elements of geology, for popular use : containing a description of the geological formations and mineral resources of the United States. Geology; Geology. When strata protrude above the surface of the ground, as at a, they are said to crop out, and the angle at which they incline below the horizon is their dip; the thickness, of course, is the perpendic- ular distance between their upper and under sur- face. Some rocks, particularly slates, are subdi- vided by numerous vertical joints, dividing the whole mass into cubical or rhomboidal masses, as in the following cut: Fig. Outliers
. The elements of geology, for popular use : containing a description of the geological formations and mineral resources of the United States. Geology; Geology. When strata protrude above the surface of the ground, as at a, they are said to crop out, and the angle at which they incline below the horizon is their dip; the thickness, of course, is the perpendic- ular distance between their upper and under sur- face. Some rocks, particularly slates, are subdi- vided by numerous vertical joints, dividing the whole mass into cubical or rhomboidal masses, as in the following cut: Fig. Outliers are strata detached from the main mass of the bed to which they belong, as in the following cut: Fig. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lee, Charles A. (Charles Alfred), 1801-1872; Draper, Daniel, 1841-1931, donor. DSI. New-York : Harper & Brothers
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Keywords: ., bookcentury1800, bookpublishernewyorkharperb, booksubjectgeology
