 Thermal springs, charged with carbonic acid and with hydrofluoric acid (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...  The American Journal of Science and Arts - Pagina 221865Volledige weergave - Over dit boek
 | 1864 - 348 pagina’s
...Thermal springs, charged with carbonic acid and with hydro-fluoric acid (which last is often present in small quantities), are powerful causes of decomposition...remains undefaced, while newer rocks are rendered metamorphic. This may happen where the waters, after passing upwards for thousands of feet, meet with... | |
 | 1864 - 412 pagina’s
...Thermal springs, charged with carbonic acid and with hydrofluoric acid (which last is often present in small quantities), are powerful causes of decomposition...remains undefaced, while newer rocks are rendered metamorphic. This may happen where the waters, after passing upwards for thousands of feet, meet with... | |
 | 1864 - 504 pagina’s
...Thermal springs, charged with carbonic acid and with hydro-fluoric acid (which last is often present in small quantities), are powerful causes of decomposition...comparatively unaltered, retaining their fossil remains undefuced, while newer rocks are rendered metainorphic. This may happen where the waters, after passing... | |
 | 1864 - 526 pagina’s
...with carbonic acid and with hydro-fluoric acid (which last is often present in small quantities), arc powerful causes of decomposition and chemical reaction...comparatively unaltered, retaining their fossil remains undcfucecl, while newer rocks are rendered metamorphic. This may happen where the waters, after passing... | |
 | 1864 - 126 pagina’s
...Thermal springs, charged with carhonic acid and with hydro-fluoric acid (which last is often present in small quantities), are powerful causes of decomposition...through which they percolate. If, therefore, large hodies of hot water permeate mountain-masses at great depths, they may in the course of ages snperinducn... | |
 | Henry Woodward - 1864 - 370 pagina’s
...igneous fusion from which they were once supposed to have crystallized. Thermal waters are known to be 'powerful causes of decomposition and chemical reaction in rocks through which they percolate;' and their partial interference with strata at different horizons (the possibility of which Sir Charles... | |
 | British Association for the Advancement of Science - 1865 - 816 pagina’s
...Thermal springs, charged with carbonic acid and w- ¿h hydrofluoric acid (which last is often present in small quantities), are powerful causes of decomposition...unaltered, retaining their fossil remains undefaced, w.iile newer rocks are rendered metamorphic. This may happen where tbe waters, after passing vpwards... | |
 | 1865 - 388 pagina’s
...Thermal springs, charged with carbonic acid and with hydro-fluoric acid (which last is often present in small quantities), are powerful causes of decomposition...crystalline structure ; and, in some cases, strata ma lower position and of older date may be comparatively unaltered, retaining their fossil remains... | |
 | 1865 - 372 pagina’s
...Thermal springs, charged with carbonic acid and with hydro-fluoric acid (which last is often present in small quantities), are powerful causes of decomposition...superinduce in them a crystalline structure ; and, iu some cases, strata in a lower position and of older date may be comparatively unaltered, retaining... | |
 | 1865 - 846 pagina’s
...Thermal springs, charged with carbonic acid and with fluohydric acid (which last is often present in small quantities), are powerful causes of decomposition...If, therefore, large bodies of hot water permeate mountain -masses at great depths, they may in the course of ages superinduce in them a crystalline... | |
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