 | 1832 - 420 pages
...frequent erup" tion, contributed the inorganic parts of the strata." As examples, we read that (page 204) "a hard stratum of stone, ',' about a foot in thickness, is obtained from the waters of San " Fillipo in four months," and that, "the mass which descends " the hill, which is a mile and a quarter... | |
 | Sir Charles Lyell - 1837 - 568 pages
...nearly equal in all parts. A hard stratum of stone, about a foot in thickness, is obtained from he waters of San Filippo in four months : and, as the springs are powerful ind almost uniform in the quantity given out, we are at no loss to comprehend the magnitude of the... | |
 | David Page - 1845 - 400 pages
...sufficiently compact in a few years to form an excellent building stone. " A hard stratum," says Mr Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a mile in breadth, in some places attaining a thickness of 250... | |
 | Samuel St. John - 1851 - 370 pages
...material are also conveyed by rivers into the ocean. " A hard stratum of travertin," says Mr. Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a mile in breadth, in some places attaining a thickness of two... | |
 | Samuel St. John - 1851 - 410 pages
...material are also conveyed by rivers into the ocean. " A hard stratum of travertin," says Mr. Lyell, "about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a mile in breadth, in some places attaining a thickness of two... | |
 | Samuel St. John - 1852 - 372 pages
...material are also conveyed by rivers into the ocean. " A hard stratum of travertin," says Mr. Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a mile in breadth, in some places attaining a thickness of two... | |
 | Samuel St. John - 1854 - 352 pages
...material are also conveyed by rivers into the ocean. " A hard stratum of travertin" says Mr. Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a, mile/in breadth, in some places attaining a thickness of two... | |
 | Samuel St. John - 1854 - 364 pages
...material are also conveyed by rivers into the ocean. "A hard stratum of travertin," says Mr. Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a. mile in breadth, in some places attaining a thickness of two... | |
 | Samuel St. John - 1855 - 372 pages
...material are also conveyed by rivers into the ocean. " A hard stratum of travertin," says Mr. Lyell, " about a foot in thickness, is obtained from the waters...mass which descends the hill, which is a mile and a quarter in length, and the third of a mile in breadth, in some places attaining a thickness of two... | |
 | WILLIAM P. BLAKE - 1857 - 480 pages
...been known to deposit a solid mass thirty feet thick in about twenty years. 1 It is also stated that " a hard stratum of stone, about a foot in thickness, is obtained from the waters of San Fillipo in four months ; and as the springs are powerful, and almost uniform in the quantity given... | |
| |
A hard stratum of stone, about a foot in thickness, is obtained from the waters of San Filippo in four months; and, as the springs are powerful, and almost uniform in the quantity given out, we are at no loss to comprehend the magnitude of the mass which... 