. 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 w^hich they incline below the horizon is their dij); 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. Outlier
. 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 w^hich they incline below the horizon is their dij); 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. New-York : Harper & Brothers
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1846
