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" ... is, moreover, well known. It was, therefore, that, after a careful study of these ancient rocks, I declared in May, 1858, that a great mass of evidence " points to the existence of organic life, even during the Laurentian, or socalled azoic period. "
The American Journal of Science and Arts - Side 432
1858
Fuld visning - Om denne bog

The Fossil Plants of the Devonian and Upper Silurian Formations of ..., Del 1–2

Geological Survey of Canada, Sir John William Dawson - 1871 - 152 sider
...had already in the Amer. Jour. Science for May, 1855 (XXV, 436) asserted that " the presence of iron ores, not less than that of graphite points to the...during the Laurentian or so-called Azoic period." The same argument is maintained by Dr. Hunt in the Quar. Jour. Geol. Soc. for 1859 (p. 493) and the Amer....
Fuld visning - Om denne bog

The Fossil Plants of the Devonian and Upper Silurian Formations of ..., Del 1–2

Geological Survey of Canada, Sir John William Dawson - 1871 - 210 sider
...had already in the Amer. Jour. Science for May, 1855 (XXV, 43C) asserted that " the presence of iron ores, not less than that of graphite points to the...existence of organic life even during the Laurentian or so-culled Azoic period." The same argument is maintained by Dr. Hunt in the tJuar. Jour. (Jfol. Soc....
Fuld visning - Om denne bog

Proceedings of the American Association for the Advancement of Science, Bind 20

American Association for the Advancement of Science - 1872 - 508 sider
...after a careful study of these ancient rocks, I declared in May, 1858, that a great mass of evidence " points to the existence of organic life, even during the Laurentian, or socalled azoic period." * This prediction was soon verified in the discovery of the Eozoon Canadense, of Dawson, the organic...
Fuld visning - Om denne bog

The American Naturalist, Bind 5

1872 - 876 sider
...after a careful study of these ancient rocks, I declared in May, 1858, that a great mass of evidence "points to the existence of organic life, even during the Laurentian or socalled azoic period." f This prediction was soon verified in the discovery of the Eozoon Canadense, of Dawson, the organic...
Fuld visning - Om denne bog

Proceedings of the American Association for the Advancement of Science, Bind 20

1872 - 852 sider
[ Denne sides indhold er desværre begrænset. ]
Uddragsvisning - Om denne bog

Our Common Insects: A Popular Account of the Insects of Our Fields, Forests ...

Alpheus Spring Packard - 1873 - 256 sider
...terrestrial we have no means of knowing." In 1855, Dr. T. Sterry Hunt asserted " that the presence of iron ores, not less than that of graphite, points to the...during the Laurentian or so-called Azoic period." In 1861 he went farther and stated his belief in " the existence of an abundant vegetation during the...
Fuld visning - Om denne bog

Our Common Insects: A Popular Account of the Insects of Our Fields, Forests ...

Alpheus Spring Packard - 1873 - 260 sider
[ Denne sides indhold er desværre begrænset. ]
Uddragsvisning - Om denne bog

Our Common Insects: A Popular Account of the Insects of Our Fields, Forests ...

Alpheus Spring Packard - 1873 - 254 sider
...terrestrial we have no means of knowing." In 1S55, Dr. T. Sterry Hunt asserted " that the presence of iron ores, not less than that of graphite, points to the...existence of organic life even during the Laurentian or ao-called Azoic period." In 1861 he went farther and stated his belief in " the existence of an abundant...
Fuld visning - Om denne bog

Chemical and Geological Essays

Thomas Sterry Hunt - 1875 - 524 sider
...after a careful study of these ancient rocks, I declared in May, 1858, that a great mass of evidence "points to the existence of organic life, even during the Laurentian or so-called azoic period." J This prediction was soon verified in the discovery of the Eozoon Cunadense of Dawson, the organic...
Fuld visning - Om denne bog

Chemical and Geological Essays

Thomas Sterry Hunt - 1875 - 530 sider
...after a careful study of these ancient rocks, I declared in May, 1858, that a great mass of evidence "points to the existence of organic life, even during the Laurentian or so-called azoic period." f This prediction was soon verified in the discovery of the Eozoim Canadense of Dawson, the organic...
Fuld visning - Om denne bog




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