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قراءة كتاب The Principles of Stratigraphical Geology
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Cambridge Natural Science Manuals.
Geological Series.
THE PRINCIPLES
OF
STRATIGRAPHICAL GEOLOGY
London: C. J. CLAY AND SONS,
CAMBRIDGE UNIVERSITY PRESS WAREHOUSE,
AVE MARIA LANE.
AND
H. K. LEWIS,
136, GOWER STREET, W.C.
Leipzig: F. A. BROCKHAUS.
New York: THE MACMILLAN COMPANY.
Bombay: E. SEYMOUR HALE.
THE PRINCIPLES
OF
STRATIGRAPHICAL GEOLOGY
BY
J. E. MARR, M.A., F.R.S.
FELLOW AND LECTURER OF S. JOHN'S COLLEGE, CAMBRIDGE,
AND UNIVERSITY LECTURER IN GEOLOGY.
CAMBRIDGE:
AT THE UNIVERSITY PRESS.
1898
[All Rights reserved.]
Cambridge:
PRINTED BY J. & C. F. CLAY,
AT THE UNIVERSITY PRESS.
The present work has been written in order that students may gain by its perusal some idea of the methods and scope of Stratigraphical Geology. I believe that this idea can be obtained most satisfactorily, if a large number of the details connected with the study of the stratified rocks are omitted, and I have accordingly given very brief accounts of the strata of the different Systems.
The work is intended for use in conjunction with any book which treats of the strata of the Geological Column at considerable length; some of these books are mentioned on pages 124, 125.
J. E. M.
Cambridge,
November, 1898.
| PAGE | |
| CHAPTER I. | |
| Introduction | 1 |
| CHAPTER II. | |
| Account of the growth and progress of stratigraphical geology | 6 |
| CHAPTER III. | |
| Nature of the stratified rocks | 21 |
| CHAPTER IV. | |
| The law of superposition | 31 |
| CHAPTER V. | |
| The test of included organisms | 40 |
| CHAPTER VI. | |
| Methods of classification of the strata | 58 |
| CHAPTER VII. | |
| Simulation of structures | 72 |
| CHAPTER VIII. | |
| Geological maps and sections | 84 |
| CHAPTER IX. | |
| Evidences of conditions under which strata were formed | 97 |
| CHAPTER X. | |
| Evidences of conditions under which strata were formed, continued | 116 |
| CHAPTER XI. | |
| The classification of the stratified rocks | 125 |
| CHAPTER XII. | |
| The Precambrian rocks | 132 |
| CHAPTER XIII. | |
| Cycles of change in the British area | 149 |
| CHAPTER XIV. | |
| The Cambrian system | 152 |
| CHAPTER XV. | |
| The Ordovician system | 164 |
| CHAPTER XVI. | |
| The Silurian system and the changes which occurred in Britain at the close of Silurian times | 174 |
| CHAPTER XVII. | |
| The Devonian system | |