Book

Geological Observations on South America

by Charles Darwin (1809–1882)

87 chapters, about 131,000 words. The text is in the public domain in the United States and comes from Project Gutenberg.

Chapters

1. EDITORIAL NOTE. 200 words
2. CRITICAL INTRODUCTION. 800 words
3. CRITICAL INTRODUCTION. 3,200 words
4. CHAPTER I. ON THE ELEVATION OF THE EASTERN COAST OF SOUTH AMERICA. 1,200 words
5. SOUTHWARD OF THE PLATA. 1,700 words
6. (DIAGRAM 3. SECTION OF PLAINS AT PORT DESIRE. 1,100 words
7. THE VALLEY OF THE R. SANTA CRUZ. 3,100 words
8. TABLE 2. 1,800 words
9. A SUMMARY OF RESULTS. 400 words
10. GRAVEL FORMATION OF PATAGONIA. 3,200 words
11. FORMATION OF CLIFFS. 900 words
12. CHAPTER II. ON THE ELEVATION OF THE WESTERN COAST OF SOUTH AMERICA. 300 words
13. THE ISLAND OF CHILOE. 1,100 words
14. CONCEPCION. 700 words
15. COAST NORTH OF CONCEPCION. 300 words
16. VALPARAISO. 2,200 words
17. VALPARAISO TO COQUIMBO. 400 words
18. COQUIMBO. 600 words
19. (DIAGRAM 8.—SECTION OF PLAIN OF COQUIMBO. 800 words
20. VALLEY OF COQUIMBO. 3,000 words
21. COQUIMBO TO GUASCO. 600 words
22. COPIAPO. 900 words
23. LIMA. 500 words
24. FOSSIL-REMAINS OF HUMAN ART. 9,800 words
25. FORMATION OF VALLEYS. 1,000 words
26. SUPERFICIAL SALINE DEPOSITS. 1,600 words
27. THIN, SUPERFICIAL, SALINE INCRUSTATIONS. 600 words
28. SALT-LAKES OF PATAGONIA AND LA PLATA. 1,300 words
29. CHAPTER IV. ON THE FORMATIONS OF THE PAMPAS. 1,100 words
30. BUENOS AYRES TO THE RIO COLORADO. 1,400 words
31. BAHIA BLANCA. 4,300 words
32. PHYTOLITHARIA. 800 words
33. BANDA ORIENTAL. 9,200 words
34. RIO NEGRO. 600 words
35. SAN JOSEF. 200 words
36. NUEVO GULF. 200 words
37. PORT DESIRE. 400 words
38. PORT S. JULIAN. 300 words
39. SANTA CRUZ. 1,300 words
40. BASALTIC LAVA OF THE S. CRUZ. 1,200 words
41. EASTERN TIERRA DEL FUEGO. 300 words
42. A SUMMARY ON THE PATAGONIAN TERTIARY FORMATION. 900 words
43. TERTIARY FORMATIONS ON THE WEST COAST. CHONOS ARCHIPELAGO. 400 words
44. CHILOE. 300 words
45. (FIGURE 19.) 1,000 words
46. VALDIVIA: ISLAND OF MOCHA. 100 words
47. CONCEPCION. 1,400 words
48. COQUIMBO TO COPIAPO. 200 words
49. COAST OF PERU. 100 words
50. CONCLUDING REMARKS. 1,000 words
51. TABLE 4. 900 words
52. ON THE TEMPERATURE OF THE TERTIARY PERIOD. 3,000 words
53. CHAPTER VI. PLUTONIC AND METAMORPHIC ROCKS:—CLEAVAGE AND FOLIATION. 1,100 words
54. RIO DE JANEIRO. 900 words
55. THE NORTHERN PROVINCES OF LA PLATA. 800 words
56. MONTE VIDEO. 700 words
57. SOUTHERN LA PLATA. 400 words
58. PATAGONIA. 1,200 words
59. PSEUDO-DIKES. 400 words
60. FALKLAND ISLANDS. 200 words
61. TIERRA DEL FUEGO. 4,900 words
62. CHILOE, VALDIVIA, CONCEPCION. 800 words
63. CENTRAL AND NORTHERN CHILE. 500 words
64. CONCLUDING REMARKS ON CLEAVAGE AND FOLIATION. 2,900 words
65. CHAPTER VII. CENTRAL CHILE:—STRUCTURE OF THE CORDILLERA. 700 words
66. BASAL STRATA OF THE CORDILLERA. 5,900 words
67. THE PORTILLO OR EASTERN CHAIN. 2,200 words
68. CONCLUDING REMARKS ON THE PORTILLO RANGE. 5,200 words
69. THE USPALLATA RANGE. 4,500 words
70. CONCLUDING REMARKS ON THE USPALLATA RANGE. 1,400 words
71. VALPARAISO TO COQUIMBO. 900 words
72. COPPER MINES OF PANUNCILLO. 300 words
73. COQUIMBO: MINING DISTRICT OF ARQUEROS. 600 words
74. A SECTION EASTWARD, UP THE VALLEY OF COQUIMBO. 2,100 words
75. COQUIMBO TO GUASCO. 300 words
76. VALLEY OF COPIAPO. 600 words
77. THIRD AXIS OF ELEVATION. 1,100 words
78. FOURTH AXIS OF ELEVATION (VALLEY OF COPIAPO). 1,400 words
79. COPIAPO. 1,500 words
80. SIXTH AXIS OF ELEVATION (VALLEY OF COPIAPO). 500 words
81. SEVENTH AXIS OF ELEVATION. 400 words
82. VALLEY OF THE DESPOBLADO. 1,100 words
83. (FIGURE 24.) 900 words
84. IQUIQUE, SOUTHERN PERU. 1,000 words
85. METALLIFEROUS VEINS. 6,600 words
86. NOTE. 100 words
87. INDEX. 3,900 words

Ideas discussed in this book

• Fossil
• Intersection
• Rock (geology)
• Stratum (linguistics)

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