 | 1864 - 348 pages
...permeate mountain-masses at great depths, they may in the course of ages superinduce in them a crystalline structure ; and in some cases strata in a lower position...meet with some obstruction, as in the case of the Wheat Clifford spring, causing the same to be laterally diverted so as to percolate the surrounding... | |
 | 1864 - 412 pages
...mountain-masses at great depths, they may, in the course of ages, superinduce in them a crystalline structure ; and, in some cases, strata in a lower...meet with some obstruction, as in the case of the Wheal-Clifford spring, causing the same to be laterally diverted so as to percolate the surrounding... | |
 | 1864 - 504 pages
...comparatively unaltered, retaining their fossil remains undefuced, while newer rocks are rendered metainorphic. This may happen where the waters, after passing upwards...meet with some obstruction, as in the case of the Wheal-Clifford spring, causing the same to be laterally diverted so as to percolate the surrounding... | |
 | 1864 - 526 pages
...permeate mountain-masses at great depths, they may in the course of ages superinduce in them a crystalline structure ; and in some cases strata in a lower position...comparatively unaltered, retaining their fossil remains undcfucecl, while newer rocks are rendered metamorphic. This may happen where the waters, after passing... | |
 | 1864 - 126 pages
...permeate mountain-masses at great depths, they may in the course of ages snperinducn in them a crystalline structure; and in some cases strata in a lower position and of older date may he comparatively unaltered, retaining their fossil remains undefaced, while newer rocks are rendered... | |
 | 1865 - 400 pages
...permeate mountain-masses at great depths, they may in the course of ages superinduce in them a crystalline structure; and in some cases strata in a lower position...remains undefaced, while newer rocks are rendered melamorphic. This may happen where the waters, after passing upward for thousands of feet, meet with... | |
 | British Association for the Advancement of Science - 1865 - 816 pages
...permeate mountain-masses at great depths, they may in the course of ages superinduce in them a crystalline structure ; and in some cases strata in a lower position...unaltered, retaining their fossil remains undefaced, w.iile newer rocks are rendered metamorphic. This may happen where tbe waters, after passing vpwards... | |
 | 1865 - 372 pages
...great depths, they may, in the course of ages, superinduce in them a crystalline structure ; and, iu some cases, strata in a lower position and of older...comparatively unaltered, retaining their fossil remains undel'aced, while newer rocks are rendered metamorphic. This may happen where the waters, after passing... | |
 | 1866 - 368 pages
...may, in the course of ages, superinduce in them a crystalline structure; and, in some cases, strata ma lower position and of older date may be comparatively...undefaced, while newer rocks are rendered metamorphic. Tiiis may happen where the waters, after passing upwards for thousands of feet, meet with some obstruction,... | |
 | 1865 - 372 pages
...mountain-masses at great depths, they may, in the course of ages, superinduce in them a crystalline structure ; and, in some cases, strata in a lower...comparatively unaltered, retaining their fossil remains unde faced, while newer rocks are rendered metamorphie. This may happen -where the waters, after passing... | |
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... (which last is often present in small quantities), are powerful causes of decomposition and chemical reaction in rocks through which they percolate. If, therefore, large bodies of hot water permeate mountain-masses at great depths, they may in the... 