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Palaeophysiology : the organic origin of some minerals occurring in sedimentary rocks

Published online by Cambridge University Press:  14 March 2018

J. V. Samoilov
J. V. Samoilov*
Affiliation:
High School of Agriculture, Moscow
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Extract

During the last few years I have applied myself to the study of some minerals occurring in the sedimentary rocks of a definite geological horizon. The success of my investigations was greatly favoured by the fact that the mineralogical material was collected during the course of the systematic geological exploration of the phosphate deposits of Russia, which during the past eight years has been under my immediate supervision.

The explorations just mentioned were begun in the north-eastern part of European Russia, and several occurrences of barite were found in the first year during the field study of the phosphate deposits in the government of Kostroma.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 18 , Issue 84 , June 1917 , pp. 87 - 98
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1917

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References

page 87 note 1 ‘Report on the geological investigations of the phosphate depoaits’ (Rues.), edited by Prof. Samojloff, J., 1909-1915, vols. i-viiGoogle Scholar.

page 88 note 1 Samoilov, J. V., 'The deposits of heavy-spar in the east part of the government of Kostroma' (Russ.), Bull. Acad. Sci. Petrograd, 1910, vol. iv (2), pp. 867–880 Google Scholar.

page 89 note 1 Samoilov, J. V., 'On the distribution of the Oxfordian-Sequanian barites in the eastern part of European Russia' (Russ.), Bull. Acad. Sci. Petrograd, 1912. vol. vi (2), pp. 989–944 Google Scholar.

page 89 note 2 Georgi, J. G., 'Geogrsphisch-physikalisehe und naturhistorisehe Besenreibung des Russisohen Reiehea,' Konigsberg, 1798, Theil iii, p. 142 Google Scholar.

page 90 note 1 Samoilov, J., 'Materials towards the crystallography of barite' (Russ.), Bull. Natur. Moscou, 1902, vol. xvi, p. 228 Google Scholar.

page 90 note 2 Recently K. André (Neues Jahrb. Min., 1914, BeiL-Bd. xxxvii, p. 348) and A. Bergeat (Zeits. prakt. Geol., 1914, vol. xxii, p. 287) mention the primary mode of origin of celestite and barite depositsGoogle Scholar.

page 90 note 3 Jones, E., 'Examination of nodular stones obtained by trawling off Colombo,' Records Geol. Survey India, 1888, vol. xxi, p. 85 Google Scholar.

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page 91 note 4 R. Quinton, ' L'eau de mer milieu organique,' Paris, 1904, p. 810.

page 92 note 1 Quite recently there have been published the articles of Clarke, F. W. and Wheeler, W. C., containing analyses of Brachiopod shells and of Alcyonaria. Proc. Nat. Acad. Sci. Washington, 1915, vol. i, pp. 262 and 552 CrossRefGoogle Scholar.

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page 92 note 4 Chepotiev, A., 'Explorations of low organisms' (Russ.), Petrograd, 1910, pp. 2, 7Google Scholar.

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page 93 note 1 Schulze, F. E., Sitzungsber. Gesellsch. Naturforsch. Freunde, Berlin, 1906, No. 8, p. 205Google Scholar.

page 93 note 2 Samoilov, J. V., 'On sulphate of barium in animal bodies' (Russ.), Bull. Acad. Sci. Petrograd, 1911, vol. v, p. 475Google Scholar.

page 93 note 1 Samoflov, 'Oh the genesis of some minerals occurring in sedimentary rocks.—Celestite of Turkestan,' Materials towards the exploration of the geological structure of the Russian Empire (Russ.), Moscow, 1914, p. 219.

page 95 note 1 Vogel, O., Zeits. Anorganische Chemie, 1894, vol. v, p. 42Google Scholar.

page 96 note 1 O. Abel, 'Grundzuge der Palaeobiologie der Wirbeltiere,' Stuttgart, 1912.

page 97 note 1 Based on the evidence of the chemical components of vegetable and animal protoplasm, A. B. Macallum adduces interesting considerations regarding the composition of the sea-water in past geological periods (Trans. Canadian Institute, Toronto, 1904, vol. vii, Part 3, No. 15, p. 535).

page 98 note 1 Henze, M., Zeits. physiolog. Chemie, 1911, vol. lxxii, p. 494 CrossRefGoogle Scholar.

page 98 note 2 Boycott, A. E., Naturalist, London, 1917, pp. 11-18, 69-78Google Scholar.

page 98 note 3 Bradley, H. C., Journ. Biological Chemistry, 1907, vol. iii, p. 151 ; 1910, vol. vii, p. 287Google Scholar.

page 98 note 4 There are, thus, in the blood of different kinds of animals the following metals: iron, manganese, copper, and vanadium. But what have all these metals in common ? They stand near to each other in their atomic weight in the following order: V=51, Cr=52, Mn=55, Fe=56, Co=59, Ni=59, Cu=68. Perhaps as the result of further investigations, there will be discovered organisms whose blood contains metals occupying the intervals in the range just adduced, namely chromium, cobalt, and nickel.