 Such an increase of temperature would be much less than that usually supposed necessary for producing metamorphism; and it is extremely doubtful if any portion now exposed to observation ever reached a temperature much above that of boiling water. We...  The American Journal of Science and Arts - Page 3481873Full view - About this book
 | New York (State). Natural History Survey - 1859 - 590 pages
...boiling water*. We must therefore look to some other agency than heat for the production of the phenomena witnessed; and it seems that the prime cause must...to motion, or fermentation and pressure, aided by a'moderate increase of temperature producing chemical change. The chemical investigations in the Canada... | |
 | Geological Survey of India - 1865 - 472 pages
...says, — " We must therefore look to some other agency than heat for the production of the phenomena witnessed, and it seems that the prime cause must...increase of temperature, producing chemical change." In extending his views of superficial agencies, Mr. Hall states it as his opinion that overflows of... | |
 | 1898 - 510 pages
...says : " We must therefore look to some other agency than heat for the production of the phenomena witnessed ; and it seems that the prime cause must...increase of temperature, producing chemical change." The view of mountain-making propounded by Hall was an illustration of common sense illumined by thought... | |
 | 1898 - 1094 pages
...says : " We must therefore look to some other agency than heat for the production of the phenomena witnessed ; and it seems that the prime cause must...increase of temperature, producing chemical change." The view of mountain-making propounded by Hall was an illustration of common sense illumined by thought... | |
 | George Perkins Merrill - 1906 - 646 pages
...and that the "prime cause must have existed within the material itself; that the entire change was due to motion or fermentation and pressure aided by...increase of temperature, producing chemical change." Just what is meant by this it is difficult to say, but, inasmuch as Hall seems to have been in consultation... | |
 | United States National Museum - 1906 - 940 pages
...and that the "prime cause must have existed within the material itself; that the entire change was due to motion or fermentation and pressure aided by...increase of temperature, producing chemical change." Just what is meant by this it is difficult to say, but, inasmuch as Hall seems to have been in consultation... | |
 | United States National Museum - 1906 - 944 pages
...and that the "prime cause must have existed within the material itself; that the entire change was due to motion or fermentation and pressure aided by...increase of temperature, producing chemical change." Just what is meant by this it is difficult to say, but, inasmuch as Hall seems to have IKMMI in consultation... | |
 | George Perkins Merrill - 1924 - 878 pages
...and that the "prime cause must have existed within the material itself; that the entire change was due to motion or fermentation and pressure aided by...increase of temperature, producing chemical change." Just what is meant by this it is difficult to say, but, inasmuch as Hall seems to have been in consultation... | |
 | George Perkins Merrill - 1924 - 886 pages
...and that the "prime cause must have existed within the material itself; that the entire change was due to motion or fermentation and pressure aided by...increase of temperature, producing chemical change." Just what is meant by this it is difficult to say, but, inasmuch as Hall seems to have been in consultation... | |
 | 1873 - 1024 pages
...the Appalachian mountains was not a result of the process of accumulation, or of the subsidence, (b) The elevation of mountains is, " of continental, and...generated within the strata that were altered. The effect was restricted by Vose in his Orographic Geology to pressure ; but, with each of these authors,... | |
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