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        Sir William Edmond Logan (1798–1875): HURONIAN AND LAURENTIAN DIVISIONS OF THE AZOIC ROCKS – A PRE-CAMBRIAN FOSSIL
                                    
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                                            Chapters in this book
- Frontmatter i
 - GENERAL EDITOR’S PREFACE vii
 - A SOURCE BOOK IN GEOLOGY ix
 - Contents xiii
 - Leonardo da Vinci (1452–1519): THE EARTH AND THE SEA 1
 - AGRICOLA [GEORG BAUER] (1494–1555): THESTRUCTURE OF THE EARTH AND THE FORCES WHICH CHANGE THE EARTH 7
 - GEORGE OWEN (1552–1613): THE COURSE OF ROCK SEAMS IN PENBROKSHIRE 12
 - RENÉ DESCARTES (1596–1650): RATIONAL BASIS FOR HYPOTHESIS OF CREATION OF SOLAR SYSTEM: THE COMPOSITION OF THE EARTH 14
 - ATHANASIUS KIRCHER (1602–1680): THE SUBTERRANEAN WORLD 17
 - PIERRE PERRAULT (1611–1680): THE SOURCE OF WATER IN SPRINGS AND RIVERS 20
 - BERNHARD VARENIUS (1622–1650): THE FIRST PHYSICAL GEOGRAPHY 24
 - ROBERT BOYLE (1627–1691): CONDITIONS AT THE BOTTOM OF THE SEA 27
 - HOOKE ROBERT HOOKE (1635–1703): EARTHQUAKES 28
 - NICOLAUS STENO (1638–1687): OF SOLIDS NATURALLY CONTAINED WITHIN SOLIDS 33
 - GOTTFRIED WILHELM LEIBNITZ (1646–1716): THE EARTH ORIGINALLY MOLTEN 45
 - BENOIT DE MAILLET (1656–1738): STRATA FORMED BENEATH THE SEA 47
 - John Woodward (1665–1722) EARTH HISTORY AND THE DELUGE 49
 - John Stracbey (1671–1743): OBSERVATIONS ON THE STRATA IN THE SOMERSETSHIRE COAL FIELDS 53
 - Lewis Evans (c. 1700-1756): THE PHYSIOGRAPHY OF THE MIDDLE BRITISH COLONIES IN AMERICA 55
 - Georges Louis Leclerc, Comte de Buffon (1707–1788): THE COLLISION HYPOTHESIS OF EARTH ORIGIN – EPOCHS OF THE HISTORY OF THE EARTH 58
 - GIOVANNI TARGIONI–TOZZETTI (1712–1784): VALLEYS FORMED BY STREAM EROSION 74
 - GIOVANNI ARDUINO (1713–1795): ORIGIN OF MARBLE AND DOLOMITE 76
 - JEANNE ETIENNE GUETTARD (1715–1786): MAP SHOWING THE ROCKS THAT TRAVERSE FRANCE AND ENGLAND 77 T H E FLUVIATILE ORIGIN OF THE PUDDINGSTONES [CONGLOMERATES] OF THE PARIS BASIN – THE FLUVIATILE ORIGIN OF THE PUDDINGSTONES [CONGLOMERATES] OF THE PARIS BASIN 77
 - JOHN MICHELL (1724-1793): THE NATURE AND ORIGIN OF EARTHQUAKES – THE EARTH COMPOSED OF REGULAR AND UNIFORM STRATA 80
 - IMMANUEL KANT ( 1724–1804): A NATURALISTIC HYPOTHESIS OF EARTH ORIGIN 88
 - NICOLAS DESMAREST (1725–1805): THE VOLCANIC ORIGIN OF BASALT – AGE DETERMINATION IN A VOLCANIC REGION 90
 - JAMES HUTTON (1726-1797): THEORY OF THE EARTH 92
 - LAZARRO SPALLANZANI (1729–1799): ON BASALTIFORM LAVAS AND THE ROLE OF GASES IN VOLCANIC ERUPTIONS 101
 - HENRY CAVENDISH (1731–1810): EXPERIMENTS TO DETERMINE THE DENSITY OF THE EARTH 103
 - JEAN BAPTISLE LOUIS ROME DE L’ISLE (1736-1790): LAWS OF CRYSTALLIZATION 108
 - RUDOLPH ERIC RASPE (1737–1794): COLUMNAR JOINTING IN BASALTIC LAVA 111
 - Horace Benedicte de Saussure (1740–1799): ALPINE GEOLOGY 114
 - Peter Simon Pallas (1741–1811): MOUNTAINS OF VARIOUS AGES 123
 - Antoine Laurent Lavoisier (1743-1794): LITTORAL AND PELAGIC BEDS 126
 - Abbi René Just Hauy (1743-1822): A BASIS FOR A SYSTEM OF MINERALOGY 129
 - Jobn Playfair (1748–1819): PROOFS OF THE HUTTONIAN THEORIES 131
 - Abraham Gottlob Werner (1749–1817): THE AQUEOUS ORIGIN OF BASALT 138
 - Pierre Simon, Marquis de Laplace (1749–1847): THE NEBULAR HYPOTHESIS 143
 - Guy S. Tancrède de Dolomieu (1750-1801): RHYOLITIC LAVAS – RELATIONS BETWEEN THE AUVERGNE VOLCANICS AND THE GRANITE ON WHICH THEY REST – ON THE DISTINCTIONS BETWEEN DOLOMITE AND LIMESTONE 151
 - Jean Louis Giraud, Abbi Soulavie (1752–1813): METHODS OF DETERMINING THE CHRONOLOGICAL SEQUENCE OF ROCKS 155
 - Sir James Hall (1761–1832): MARBLE FROM LIMESTONE IN THE LABORATORY – RESULTS OF THE SLOW COOLING OF MELTED ROCK – THE ROLE OF HEAT IN THE CONSOLIDATION OF STRATA 158
 - William Maclure (1763–1840): OBSERVATIONS ON THE GEOLOGY OF THE UNITED STATES 168
 - Ernst Friederieb, Baron von Scblottbeim (1764–1832): ON THE USE OF FOSSILS IN GEOLOGICAL INVESTIGATIONS 174
 - WILLIAM NICOL (C. 1768–1851): THE NICOL PRISM – THE PREPARATION OF THIN SECTIONS 176
 - Friedrieb Heinrieb Alexander, Baron von Humboldt (1769–1859): VOLCANIC ACTIVITY IN MEXICO – EARTHQUAKES AND VOLCANOES IN THE AMERICAS 179
 - Léopold Chrétien Frédiric Dagobert Cuvier (1769–1832) REVOLUTIONS AND CATASTROPHES IN THE HISTORY OF THE EARTH 188
 - Léopold Chrétien Frédiric Dagobert Cuvier (1769–1832) and Alexandre Brongniart (1770–1847): STRATIGRAPHY OF THE PARIS BASIN 194
 - William Smith (1769–1839): THE STRATA OF ENGLAND 201
 - John Macculloch (1773–1835): METAMORPHIC AND IGNEOUS ROCKS OF THE WESTERN ISLANDS OF SCOTLAND 205
 - Leopold von Buch (1774–1852): THE IGNEOUS ORIGIN OF BASALT – THE RAISED COASTS OF SWEDEN – THE UPHEAVAL OF VOLCANOES – THE IMPORTANCE OF FOSSILS 208
 - Pierre Louis Antoine Cordier (1777–1862): THE CRYSTALLINE NATURE OF VOLCANIC ROCK – THE TEMPERATURE GRADIENT OF THE EARTH’S INTERIOR 214
 - Jean Baptiste Julien d’Omalius D’Halloy (1783-1875): THE SYSTEMATIC CLASSIFICATION OF GEOLOGIC FORMATIONS 220
 - Adam Sedgwick (1785–1873): THE METAMORPHISM OF SEDIMENTARY ROCKS – ON THE CLASSIFICATION AND NOMENCLATURE OF THE LOWER PALEOZOIC ROCKS OF ENGLAND AND WALES 222
 - Louis Constant Prévost (17870–1867): A NEW VOLCANIC ISLAND NOT UPHEAVED 230
 - Francis Walker Gilmer (1790–1826): THE NATURAL BRIDGE OF VIRGINIA A RESULT OF EROSION 233
 - Jean Renk Constant Quoy (1790–1869) and Joseph Paul Gaimard (c. 1790–1858): THE FORMATION OF CORAL ISLANDS 235
 - Charles Babbage (1790–1871): THE TEMPLE OF SERAPIS 237
 - Sir Roderick Impey Murchison (1792–1871): THE SILURIAN SYSTEM – THE PERMIAN SYSTEM 244
 - Edward Hitchcock (1793–1864): FOOT MARKS ON NEW RED SANDSTONE IN MASSACHUSETTS – METAMORPHISM OF THE NEWPORT CONGLOMERATE 250
 - Bernard Studer (1794–1887): METAMORPHIC MESOZOIC ROCKS DISTINGUISHED FROM PALEOZOIC 257
 - Henry Thomas De la Beche (1796–1855) THE DRAFTING OF GEOLOGICAL SECTIONS 260
 - Sir Charles Lyell (1797–1875): UNFORMITARIANISM – SUBDIVISIONS OF THE TERTIARY EPOCH 263
 - George Poulett Scrope (1797–1876): VOLCANOES – THE ORIGIN OF VALLEYS 274
 - Abraham Gesner (1797–1864): THE GEOLOGY OF GRAND MANAN 280
 - Ebenezer Emmons (1798–1863): THE TACONIC SYSTEM 284
 - Jean Baptiste Armand Louis Leonce Élie de Beaumont (1798–1874): THE NATURE AND CAUSE OF MOUNTAIN BUILDING 288
 - Sir William Edmond Logan (1798–1875) and Thomas Sterry Hunt (1826–1892): GEOLOGIC OUTLINE OF CANADA 291
 - Sir William Edmond Logan (1798–1875): HURONIAN AND LAURENTIAN DIVISIONS OF THE AZOIC ROCKS – A PRE-CAMBRIAN FOSSIL 295
 - Heinrieb Georg Bronn (1800–1862): THE PLAN OF CREATION IN THE SERIES OF GEOLOGICAL AGES 299
 - George Perkins Marsh (1801–1882): INFLUENCE OF THE FOREST ON FLOODS 305
 - HUGH MILLER (1802–1856): A QUARRY LABORER AS A GEOLOGICAL OBSERVER 313
 - Sir Richard Owen (1804–1892): THE ARCHEOPTERYX FROM SOLENHOFEN 317
 - Daniel Sharpe (1806–1856): THE RELATION BETWEEN DISTORTION AND SLATY CLEAVAGE 321
 - Reinhard Bernhardt: AN HYPOTHESIS OF EXTENSIVE GLACIATION IN PREHISTORIC TIME 327
 - Louis Jean Agassiz (1807–1873) EVIDENCE OF A GLACIAL EPOCH 329
 - WILLIAM BARTON ROGERS (1805–1881): FOSSIL EVIDENCE OF THE EARLY PALEOZOIC AGE OF CERTAIN ROCKS IN NEW ENGLAND 336
 - HENRY DARWIN ROGERS (1809–1866) AND WILLIAM BARTON ROGERS (1805–1881): MOUNTAIN BUILDING FORCES EXEMPLIFIED BY THE APPALACHIAN SYSTEM 338
 - HENRY DARWIN ROGERS ( 1809–1866): AN INQUIRY INTO THE ORIGIN OF THE APPALACHIAN COAL STRATA, BITUMINOUS AND ANTHRACITIC 346
 - CHARLES ROBERT DARWIN (1809–1882): THE ORIGIN OF CORAL REEFS AND ISLANDS – THE SETTLING OF CRYSTALS IN MOLTEN LAVA – T H E NATURE OF GRANITE CONTACTS – RECENT UPLIFT OF THE SOUTH AMERICAN COAST – THE IMPERFECTION OF THE GEOLOGIC RECORD OF LIFE DEVELOPMENT 354
 - ROBERT EVEREST (C. 1805–C. 1875): A QUANTITATIVE STUDY OF STREAM TRANSPORTATION 365
 - ANDREW ATKINSON HUMPHREYS (1810–1883) AND HENRY LARCOM ABBOT (1831–1927): THE AMOUNT OF SEDIMENT CARRIED BY THE MISSISSIPPI 367
 - WILLIAM H. SIDELL (1810–1873): ON CERTAIN GEOLOGICAL PHENOMENA OF THE MISSISSIPPI DELTA 369
 - THOMAS OLDHAM (1817–1878): STREAM EROSION AND TRANSPORTATION 371
 - ALEXANDRE SURELL (1813–1887): TORRENTIAL STREAMS AND THEIR CONTROL 372
 - JOSEPH BEETE JUKES (1811–1869): DISTINCTION BETWEEN CONTEMPORANEOUS AND INTRUSIVE TRAP 378
 - ROBERT WILHELM EBERHARD VON BUNSEN ( 1811–1899): GENETIC RELATIONS OF IGNEOUS ROCKS 381
 - Robert Mallet (1810–1881): THE DYNAMICS OF EARTHQUAKES 384
 - John Henry Pratt (c. 1811–1871): THE ATTRACTION OF THE HIMALAYA MOUNTAINS UPON THE PLUMBLINE IN INDIA – THE DEFLECTION OF THE PLUMB-LINE IN INDIA AND THE COMPENSATORY EFFECT OF A DEFICIENCY OF MATTER BELOW THE HIMALAYA MOUNTAINS – SPECULATION ON THE CONSTITUTION OF THE EARTH’S CRUST 393
 - George Bedell Airy (1801–1892): AN HYPOTHESIS OF CRUSTAL BALANCE 401
 - JAMES HALL (1811–1898) CORRELATION OF PALEOZOIC ROCKS OF NEW YORK WITH THOSE OF EUROPE – THE RELATION OF MOUNTAINS TO REGIONS OF THICK SEDIMENTARY ACCUMULATION – PHYSICAL CONDITIONS IN PALEOZOIC SEAS 406
 - James Dwight Dana ( 1813–1895): ORIGIN OF THE MINERAL CONSTITUTION OF IGNEOUS ROCKS – ON THE ORIGIN OF CONTINENTS AND MOUNTAIN RANGES – ON THE NATURE OF VOLCANIC ERUPTIONS 416
 - Sir Andrew Crosbie Ramsay (1814–1891): MARINE DENUDATION IN SOUTHERN WALES – ON THE PROBABLE EXISTENCE OF GLACIERS AND ICEBERGS IN THE PERMIAN EPOCH 430
 - Gabriel August Daubrée (1814–1896): EXPERIMENTS ON THE ACTION OF SUPERHEATED WATER IN THE FORMATION OF SILICATES – FRACTURES RESULTING FROM TORSIONAL STRAINS – EXPERIMENTS ON THE FOLDING AND FAULTING OF STRATA 440
 - Alpbonse Favre (1815–1890): EXPERIMENTAL REPRODUCTION OF MOUNTAIN STRUCTURES BY LATERAL COMPRESSION 448
 - J. Peter Lesley (1819-1903): APPALACHIAN STRUCTURE AND TOPOGRAPHY – PHYSIOGRAPHIC PROVINCES OF EASTERN UNITED STATES 450
 - John William Dawson (1820–1899): MARINE ALLUVIAL SOILS – CARBONIFEROUS FOSSILS OF THE JOGGINS SECTION 461
 - Jobn Strong Newberry ( 1822–1892): CIRCLES OF DEPOSITION IN AMERICAN SEDIMENTARY ROCKS 465
 - Joseph Le Conte (1823–1901): ON THE ORIGIN OF NORMAL FAULTS AND OF THE STRUCTURE OF THE BASIN REGION 467
 - SIR WILLIAM THOMSON, LORD KELVIN ( 1824–1907): ON THE SECULAR COOLING OF THE EARTH 472
 - HERMANN STERNBERG (1825–1885): STREAM PROFILES 477
 - THOMAS HENRY HUXLEY ( 1825–1895): THE GEOLOGICAL HISTORY OF THE HORSE 479
 - HENRY CLIFTON SORBY (1826–1908): ON THE ORIGIN OF SLATY CLEAVAGE – ON THE MICROSCOPICAL STRUCTURE OF CRYSTALS, INDICATING THE ORIGIN OF MINERALS AND ROCKS – THIN SECTIONS AND THEIR VALUE TO THE GEOLOGIST 484
 - FERDINAND ANDRÉ FOUQUÉ (1828–1904 ): AND AUGUSTE MICHEL-LÉVY (1844–1908) THE ARTIFICIAL PRODUCTION OF FELDSPARS – THE ARTIFICIAL PRODUCTION OF A CRYSTALLINE IGNEOUS ROCK 494
 - WILLIAM HENRY BREWER (1828–1910): THE DEPOSITION OF CLAY IN SALT WATER 497
 - CARL OCHSENIUS (1830–1906): THE DEPOSITION OF ROCK SALT 499
 - EDUARD SUESS (1831–1914): ON MOUNTAIN STRUCTURES AND THE FORCES WHICH FORM THEM – STRUCTURAL FEATURES OF THE EARTH 503
 - THOMAS MELLARD READE (1832–1909): THE IMPORTANCE OF SOLUTION AS A FACTOR IN EROSION 509
 - BARON FERDINAND VON RICHTBOFEN (1833–1905): A CLASSIFICATION OF VOLCANIC ROCKS – MARINE ABRASION AND TRANSGRESSION 511
 - JOHN WESLEY POWELL (1834–1902): A CLASSIFICATION OF STREAMS AND VALLEYS 518
 - SIR ARCHIBALD GEIKIE (1835–1924): ON DENUDATION NOW IN PROGRESS 523
 - GASTON DE LA NOË (1836–1902): AND EMMANUEL DE MARGERIE (1862–): CONCERNING THE FASHIONING OF SLOPES 529
 - FERENCZ POŠEPNÝ (1836–1895): GROUND WATER AND THE DEPOSITION OF ORE BODIES 537
 - Raphael Pumpelly (1837-1923): THE RELATION OF SECULAR ROCK-DISINTEGRATION TO LOESS, GLACIAL DRIFT, AND ROCK BASINS 542
 - Richard Anthony Proctor (1837–1888): METEORIC SYSTEMS AND THE ORIGIN OF THE EARTH 547
 - James Geikie (1839–1915): ON CHANGES OF CLIMATE DURING THE GLACIAL EPOCH 549
 - Nathaniel Soutbgate Shaler (1841–1906): THE CHANGE OF SEA LEVEL – ORIGIN OF FIORDS AND ESTUARIES 551
 - Clarence Edward Dutton (1841–1912): THE GREAT DENUDATION – ISOSEISMAL LINES AND EARTHQUAKE INTENSITY – ISOSTASY 555
 - Karl August Lossen (1841–1893): THE DISTINCTION BETWEEN CONTACT AND REGIONAL METAMORPHISM 569
 - Alexander William Bickerton (1842–1914): COLLISION AND ACCRETION HYPOTHESIS OF EARTH ORIGIN 574
 - Charles Lapworth (1842–1920): THE ORDOVICIAN SYSTEM – THE SECRET OF THE HIGHLANDS 578
 - Grove Karl Gilbert (1843–1918): AN ANALYSIS OF SUBAERIAL EROSION – LAND SCULPTURE – LACCOLITHS AND THEIR ORIGIN – HISTORY OF LAKE BONNEVILLE – THE TOPOGRAPHIC FEATURES OF LAKE SHORES 581
 - Tbomas Crowder Cbamberlin (1843–1928): THE METHOD OF MULTIPLE WORKING HYPOTHESIS – ON THE INTERIOR STRUCTURE, SURFACE TEMPERATURE, AND AGE OF THE EARTH – THE PLANETESIMAL HYPOTHESIS 604
 - Marcel Alexandre Bertrand (1847-1907): OVERTHRUSTING IN THE ALPS 631
 - Archibald Robertson Marvine (1848–1876): PROCESSES OF EROSION IN THE COLORADO FRONT RANGE 637
 - Israel Charles White (1848–1927): THE ANTICLINAL THEORY OF GAS ACCUMULATION 639
 - ALBERT HEIM (1849–1937): ON ROCK DEFORMATION DURING MOUNTAIN BUILDING 642
 - WILLIAM MORRIS DAVIS (1850–1934): THE EROSION CYCLE IN THE LIFE OF A RIVER – PLAINS OF MARINE AND SUBAERIAL DENUDATION 649
 - W.J. MCGEE (1853–1912): THE COASTAL PLAIN AND THE FALL LINE 661
 - JOSEPH PAXSON IDDINGS (1857–1920): PHENOCRYSTS – RELATION BETWEEN MINERAL COMPOSITION AND MODE OF OCCURRENCE OF IGNEOUS ROCKS 663
 - CHARLES RICHARD VAN HISE (1857–1918): PRE–CAMBRIAN GEOLOGY – THE MEANING OF ROCK FLOWAGE 666
 - GUIDE TO SUBJECT MATTER 683
 - Index 693
 
Chapters in this book
- Frontmatter i
 - GENERAL EDITOR’S PREFACE vii
 - A SOURCE BOOK IN GEOLOGY ix
 - Contents xiii
 - Leonardo da Vinci (1452–1519): THE EARTH AND THE SEA 1
 - AGRICOLA [GEORG BAUER] (1494–1555): THESTRUCTURE OF THE EARTH AND THE FORCES WHICH CHANGE THE EARTH 7
 - GEORGE OWEN (1552–1613): THE COURSE OF ROCK SEAMS IN PENBROKSHIRE 12
 - RENÉ DESCARTES (1596–1650): RATIONAL BASIS FOR HYPOTHESIS OF CREATION OF SOLAR SYSTEM: THE COMPOSITION OF THE EARTH 14
 - ATHANASIUS KIRCHER (1602–1680): THE SUBTERRANEAN WORLD 17
 - PIERRE PERRAULT (1611–1680): THE SOURCE OF WATER IN SPRINGS AND RIVERS 20
 - BERNHARD VARENIUS (1622–1650): THE FIRST PHYSICAL GEOGRAPHY 24
 - ROBERT BOYLE (1627–1691): CONDITIONS AT THE BOTTOM OF THE SEA 27
 - HOOKE ROBERT HOOKE (1635–1703): EARTHQUAKES 28
 - NICOLAUS STENO (1638–1687): OF SOLIDS NATURALLY CONTAINED WITHIN SOLIDS 33
 - GOTTFRIED WILHELM LEIBNITZ (1646–1716): THE EARTH ORIGINALLY MOLTEN 45
 - BENOIT DE MAILLET (1656–1738): STRATA FORMED BENEATH THE SEA 47
 - John Woodward (1665–1722) EARTH HISTORY AND THE DELUGE 49
 - John Stracbey (1671–1743): OBSERVATIONS ON THE STRATA IN THE SOMERSETSHIRE COAL FIELDS 53
 - Lewis Evans (c. 1700-1756): THE PHYSIOGRAPHY OF THE MIDDLE BRITISH COLONIES IN AMERICA 55
 - Georges Louis Leclerc, Comte de Buffon (1707–1788): THE COLLISION HYPOTHESIS OF EARTH ORIGIN – EPOCHS OF THE HISTORY OF THE EARTH 58
 - GIOVANNI TARGIONI–TOZZETTI (1712–1784): VALLEYS FORMED BY STREAM EROSION 74
 - GIOVANNI ARDUINO (1713–1795): ORIGIN OF MARBLE AND DOLOMITE 76
 - JEANNE ETIENNE GUETTARD (1715–1786): MAP SHOWING THE ROCKS THAT TRAVERSE FRANCE AND ENGLAND 77 T H E FLUVIATILE ORIGIN OF THE PUDDINGSTONES [CONGLOMERATES] OF THE PARIS BASIN – THE FLUVIATILE ORIGIN OF THE PUDDINGSTONES [CONGLOMERATES] OF THE PARIS BASIN 77
 - JOHN MICHELL (1724-1793): THE NATURE AND ORIGIN OF EARTHQUAKES – THE EARTH COMPOSED OF REGULAR AND UNIFORM STRATA 80
 - IMMANUEL KANT ( 1724–1804): A NATURALISTIC HYPOTHESIS OF EARTH ORIGIN 88
 - NICOLAS DESMAREST (1725–1805): THE VOLCANIC ORIGIN OF BASALT – AGE DETERMINATION IN A VOLCANIC REGION 90
 - JAMES HUTTON (1726-1797): THEORY OF THE EARTH 92
 - LAZARRO SPALLANZANI (1729–1799): ON BASALTIFORM LAVAS AND THE ROLE OF GASES IN VOLCANIC ERUPTIONS 101
 - HENRY CAVENDISH (1731–1810): EXPERIMENTS TO DETERMINE THE DENSITY OF THE EARTH 103
 - JEAN BAPTISLE LOUIS ROME DE L’ISLE (1736-1790): LAWS OF CRYSTALLIZATION 108
 - RUDOLPH ERIC RASPE (1737–1794): COLUMNAR JOINTING IN BASALTIC LAVA 111
 - Horace Benedicte de Saussure (1740–1799): ALPINE GEOLOGY 114
 - Peter Simon Pallas (1741–1811): MOUNTAINS OF VARIOUS AGES 123
 - Antoine Laurent Lavoisier (1743-1794): LITTORAL AND PELAGIC BEDS 126
 - Abbi René Just Hauy (1743-1822): A BASIS FOR A SYSTEM OF MINERALOGY 129
 - Jobn Playfair (1748–1819): PROOFS OF THE HUTTONIAN THEORIES 131
 - Abraham Gottlob Werner (1749–1817): THE AQUEOUS ORIGIN OF BASALT 138
 - Pierre Simon, Marquis de Laplace (1749–1847): THE NEBULAR HYPOTHESIS 143
 - Guy S. Tancrède de Dolomieu (1750-1801): RHYOLITIC LAVAS – RELATIONS BETWEEN THE AUVERGNE VOLCANICS AND THE GRANITE ON WHICH THEY REST – ON THE DISTINCTIONS BETWEEN DOLOMITE AND LIMESTONE 151
 - Jean Louis Giraud, Abbi Soulavie (1752–1813): METHODS OF DETERMINING THE CHRONOLOGICAL SEQUENCE OF ROCKS 155
 - Sir James Hall (1761–1832): MARBLE FROM LIMESTONE IN THE LABORATORY – RESULTS OF THE SLOW COOLING OF MELTED ROCK – THE ROLE OF HEAT IN THE CONSOLIDATION OF STRATA 158
 - William Maclure (1763–1840): OBSERVATIONS ON THE GEOLOGY OF THE UNITED STATES 168
 - Ernst Friederieb, Baron von Scblottbeim (1764–1832): ON THE USE OF FOSSILS IN GEOLOGICAL INVESTIGATIONS 174
 - WILLIAM NICOL (C. 1768–1851): THE NICOL PRISM – THE PREPARATION OF THIN SECTIONS 176
 - Friedrieb Heinrieb Alexander, Baron von Humboldt (1769–1859): VOLCANIC ACTIVITY IN MEXICO – EARTHQUAKES AND VOLCANOES IN THE AMERICAS 179
 - Léopold Chrétien Frédiric Dagobert Cuvier (1769–1832) REVOLUTIONS AND CATASTROPHES IN THE HISTORY OF THE EARTH 188
 - Léopold Chrétien Frédiric Dagobert Cuvier (1769–1832) and Alexandre Brongniart (1770–1847): STRATIGRAPHY OF THE PARIS BASIN 194
 - William Smith (1769–1839): THE STRATA OF ENGLAND 201
 - John Macculloch (1773–1835): METAMORPHIC AND IGNEOUS ROCKS OF THE WESTERN ISLANDS OF SCOTLAND 205
 - Leopold von Buch (1774–1852): THE IGNEOUS ORIGIN OF BASALT – THE RAISED COASTS OF SWEDEN – THE UPHEAVAL OF VOLCANOES – THE IMPORTANCE OF FOSSILS 208
 - Pierre Louis Antoine Cordier (1777–1862): THE CRYSTALLINE NATURE OF VOLCANIC ROCK – THE TEMPERATURE GRADIENT OF THE EARTH’S INTERIOR 214
 - Jean Baptiste Julien d’Omalius D’Halloy (1783-1875): THE SYSTEMATIC CLASSIFICATION OF GEOLOGIC FORMATIONS 220
 - Adam Sedgwick (1785–1873): THE METAMORPHISM OF SEDIMENTARY ROCKS – ON THE CLASSIFICATION AND NOMENCLATURE OF THE LOWER PALEOZOIC ROCKS OF ENGLAND AND WALES 222
 - Louis Constant Prévost (17870–1867): A NEW VOLCANIC ISLAND NOT UPHEAVED 230
 - Francis Walker Gilmer (1790–1826): THE NATURAL BRIDGE OF VIRGINIA A RESULT OF EROSION 233
 - Jean Renk Constant Quoy (1790–1869) and Joseph Paul Gaimard (c. 1790–1858): THE FORMATION OF CORAL ISLANDS 235
 - Charles Babbage (1790–1871): THE TEMPLE OF SERAPIS 237
 - Sir Roderick Impey Murchison (1792–1871): THE SILURIAN SYSTEM – THE PERMIAN SYSTEM 244
 - Edward Hitchcock (1793–1864): FOOT MARKS ON NEW RED SANDSTONE IN MASSACHUSETTS – METAMORPHISM OF THE NEWPORT CONGLOMERATE 250
 - Bernard Studer (1794–1887): METAMORPHIC MESOZOIC ROCKS DISTINGUISHED FROM PALEOZOIC 257
 - Henry Thomas De la Beche (1796–1855) THE DRAFTING OF GEOLOGICAL SECTIONS 260
 - Sir Charles Lyell (1797–1875): UNFORMITARIANISM – SUBDIVISIONS OF THE TERTIARY EPOCH 263
 - George Poulett Scrope (1797–1876): VOLCANOES – THE ORIGIN OF VALLEYS 274
 - Abraham Gesner (1797–1864): THE GEOLOGY OF GRAND MANAN 280
 - Ebenezer Emmons (1798–1863): THE TACONIC SYSTEM 284
 - Jean Baptiste Armand Louis Leonce Élie de Beaumont (1798–1874): THE NATURE AND CAUSE OF MOUNTAIN BUILDING 288
 - Sir William Edmond Logan (1798–1875) and Thomas Sterry Hunt (1826–1892): GEOLOGIC OUTLINE OF CANADA 291
 - Sir William Edmond Logan (1798–1875): HURONIAN AND LAURENTIAN DIVISIONS OF THE AZOIC ROCKS – A PRE-CAMBRIAN FOSSIL 295
 - Heinrieb Georg Bronn (1800–1862): THE PLAN OF CREATION IN THE SERIES OF GEOLOGICAL AGES 299
 - George Perkins Marsh (1801–1882): INFLUENCE OF THE FOREST ON FLOODS 305
 - HUGH MILLER (1802–1856): A QUARRY LABORER AS A GEOLOGICAL OBSERVER 313
 - Sir Richard Owen (1804–1892): THE ARCHEOPTERYX FROM SOLENHOFEN 317
 - Daniel Sharpe (1806–1856): THE RELATION BETWEEN DISTORTION AND SLATY CLEAVAGE 321
 - Reinhard Bernhardt: AN HYPOTHESIS OF EXTENSIVE GLACIATION IN PREHISTORIC TIME 327
 - Louis Jean Agassiz (1807–1873) EVIDENCE OF A GLACIAL EPOCH 329
 - WILLIAM BARTON ROGERS (1805–1881): FOSSIL EVIDENCE OF THE EARLY PALEOZOIC AGE OF CERTAIN ROCKS IN NEW ENGLAND 336
 - HENRY DARWIN ROGERS (1809–1866) AND WILLIAM BARTON ROGERS (1805–1881): MOUNTAIN BUILDING FORCES EXEMPLIFIED BY THE APPALACHIAN SYSTEM 338
 - HENRY DARWIN ROGERS ( 1809–1866): AN INQUIRY INTO THE ORIGIN OF THE APPALACHIAN COAL STRATA, BITUMINOUS AND ANTHRACITIC 346
 - CHARLES ROBERT DARWIN (1809–1882): THE ORIGIN OF CORAL REEFS AND ISLANDS – THE SETTLING OF CRYSTALS IN MOLTEN LAVA – T H E NATURE OF GRANITE CONTACTS – RECENT UPLIFT OF THE SOUTH AMERICAN COAST – THE IMPERFECTION OF THE GEOLOGIC RECORD OF LIFE DEVELOPMENT 354
 - ROBERT EVEREST (C. 1805–C. 1875): A QUANTITATIVE STUDY OF STREAM TRANSPORTATION 365
 - ANDREW ATKINSON HUMPHREYS (1810–1883) AND HENRY LARCOM ABBOT (1831–1927): THE AMOUNT OF SEDIMENT CARRIED BY THE MISSISSIPPI 367
 - WILLIAM H. SIDELL (1810–1873): ON CERTAIN GEOLOGICAL PHENOMENA OF THE MISSISSIPPI DELTA 369
 - THOMAS OLDHAM (1817–1878): STREAM EROSION AND TRANSPORTATION 371
 - ALEXANDRE SURELL (1813–1887): TORRENTIAL STREAMS AND THEIR CONTROL 372
 - JOSEPH BEETE JUKES (1811–1869): DISTINCTION BETWEEN CONTEMPORANEOUS AND INTRUSIVE TRAP 378
 - ROBERT WILHELM EBERHARD VON BUNSEN ( 1811–1899): GENETIC RELATIONS OF IGNEOUS ROCKS 381
 - Robert Mallet (1810–1881): THE DYNAMICS OF EARTHQUAKES 384
 - John Henry Pratt (c. 1811–1871): THE ATTRACTION OF THE HIMALAYA MOUNTAINS UPON THE PLUMBLINE IN INDIA – THE DEFLECTION OF THE PLUMB-LINE IN INDIA AND THE COMPENSATORY EFFECT OF A DEFICIENCY OF MATTER BELOW THE HIMALAYA MOUNTAINS – SPECULATION ON THE CONSTITUTION OF THE EARTH’S CRUST 393
 - George Bedell Airy (1801–1892): AN HYPOTHESIS OF CRUSTAL BALANCE 401
 - JAMES HALL (1811–1898) CORRELATION OF PALEOZOIC ROCKS OF NEW YORK WITH THOSE OF EUROPE – THE RELATION OF MOUNTAINS TO REGIONS OF THICK SEDIMENTARY ACCUMULATION – PHYSICAL CONDITIONS IN PALEOZOIC SEAS 406
 - James Dwight Dana ( 1813–1895): ORIGIN OF THE MINERAL CONSTITUTION OF IGNEOUS ROCKS – ON THE ORIGIN OF CONTINENTS AND MOUNTAIN RANGES – ON THE NATURE OF VOLCANIC ERUPTIONS 416
 - Sir Andrew Crosbie Ramsay (1814–1891): MARINE DENUDATION IN SOUTHERN WALES – ON THE PROBABLE EXISTENCE OF GLACIERS AND ICEBERGS IN THE PERMIAN EPOCH 430
 - Gabriel August Daubrée (1814–1896): EXPERIMENTS ON THE ACTION OF SUPERHEATED WATER IN THE FORMATION OF SILICATES – FRACTURES RESULTING FROM TORSIONAL STRAINS – EXPERIMENTS ON THE FOLDING AND FAULTING OF STRATA 440
 - Alpbonse Favre (1815–1890): EXPERIMENTAL REPRODUCTION OF MOUNTAIN STRUCTURES BY LATERAL COMPRESSION 448
 - J. Peter Lesley (1819-1903): APPALACHIAN STRUCTURE AND TOPOGRAPHY – PHYSIOGRAPHIC PROVINCES OF EASTERN UNITED STATES 450
 - John William Dawson (1820–1899): MARINE ALLUVIAL SOILS – CARBONIFEROUS FOSSILS OF THE JOGGINS SECTION 461
 - Jobn Strong Newberry ( 1822–1892): CIRCLES OF DEPOSITION IN AMERICAN SEDIMENTARY ROCKS 465
 - Joseph Le Conte (1823–1901): ON THE ORIGIN OF NORMAL FAULTS AND OF THE STRUCTURE OF THE BASIN REGION 467
 - SIR WILLIAM THOMSON, LORD KELVIN ( 1824–1907): ON THE SECULAR COOLING OF THE EARTH 472
 - HERMANN STERNBERG (1825–1885): STREAM PROFILES 477
 - THOMAS HENRY HUXLEY ( 1825–1895): THE GEOLOGICAL HISTORY OF THE HORSE 479
 - HENRY CLIFTON SORBY (1826–1908): ON THE ORIGIN OF SLATY CLEAVAGE – ON THE MICROSCOPICAL STRUCTURE OF CRYSTALS, INDICATING THE ORIGIN OF MINERALS AND ROCKS – THIN SECTIONS AND THEIR VALUE TO THE GEOLOGIST 484
 - FERDINAND ANDRÉ FOUQUÉ (1828–1904 ): AND AUGUSTE MICHEL-LÉVY (1844–1908) THE ARTIFICIAL PRODUCTION OF FELDSPARS – THE ARTIFICIAL PRODUCTION OF A CRYSTALLINE IGNEOUS ROCK 494
 - WILLIAM HENRY BREWER (1828–1910): THE DEPOSITION OF CLAY IN SALT WATER 497
 - CARL OCHSENIUS (1830–1906): THE DEPOSITION OF ROCK SALT 499
 - EDUARD SUESS (1831–1914): ON MOUNTAIN STRUCTURES AND THE FORCES WHICH FORM THEM – STRUCTURAL FEATURES OF THE EARTH 503
 - THOMAS MELLARD READE (1832–1909): THE IMPORTANCE OF SOLUTION AS A FACTOR IN EROSION 509
 - BARON FERDINAND VON RICHTBOFEN (1833–1905): A CLASSIFICATION OF VOLCANIC ROCKS – MARINE ABRASION AND TRANSGRESSION 511
 - JOHN WESLEY POWELL (1834–1902): A CLASSIFICATION OF STREAMS AND VALLEYS 518
 - SIR ARCHIBALD GEIKIE (1835–1924): ON DENUDATION NOW IN PROGRESS 523
 - GASTON DE LA NOË (1836–1902): AND EMMANUEL DE MARGERIE (1862–): CONCERNING THE FASHIONING OF SLOPES 529
 - FERENCZ POŠEPNÝ (1836–1895): GROUND WATER AND THE DEPOSITION OF ORE BODIES 537
 - Raphael Pumpelly (1837-1923): THE RELATION OF SECULAR ROCK-DISINTEGRATION TO LOESS, GLACIAL DRIFT, AND ROCK BASINS 542
 - Richard Anthony Proctor (1837–1888): METEORIC SYSTEMS AND THE ORIGIN OF THE EARTH 547
 - James Geikie (1839–1915): ON CHANGES OF CLIMATE DURING THE GLACIAL EPOCH 549
 - Nathaniel Soutbgate Shaler (1841–1906): THE CHANGE OF SEA LEVEL – ORIGIN OF FIORDS AND ESTUARIES 551
 - Clarence Edward Dutton (1841–1912): THE GREAT DENUDATION – ISOSEISMAL LINES AND EARTHQUAKE INTENSITY – ISOSTASY 555
 - Karl August Lossen (1841–1893): THE DISTINCTION BETWEEN CONTACT AND REGIONAL METAMORPHISM 569
 - Alexander William Bickerton (1842–1914): COLLISION AND ACCRETION HYPOTHESIS OF EARTH ORIGIN 574
 - Charles Lapworth (1842–1920): THE ORDOVICIAN SYSTEM – THE SECRET OF THE HIGHLANDS 578
 - Grove Karl Gilbert (1843–1918): AN ANALYSIS OF SUBAERIAL EROSION – LAND SCULPTURE – LACCOLITHS AND THEIR ORIGIN – HISTORY OF LAKE BONNEVILLE – THE TOPOGRAPHIC FEATURES OF LAKE SHORES 581
 - Tbomas Crowder Cbamberlin (1843–1928): THE METHOD OF MULTIPLE WORKING HYPOTHESIS – ON THE INTERIOR STRUCTURE, SURFACE TEMPERATURE, AND AGE OF THE EARTH – THE PLANETESIMAL HYPOTHESIS 604
 - Marcel Alexandre Bertrand (1847-1907): OVERTHRUSTING IN THE ALPS 631
 - Archibald Robertson Marvine (1848–1876): PROCESSES OF EROSION IN THE COLORADO FRONT RANGE 637
 - Israel Charles White (1848–1927): THE ANTICLINAL THEORY OF GAS ACCUMULATION 639
 - ALBERT HEIM (1849–1937): ON ROCK DEFORMATION DURING MOUNTAIN BUILDING 642
 - WILLIAM MORRIS DAVIS (1850–1934): THE EROSION CYCLE IN THE LIFE OF A RIVER – PLAINS OF MARINE AND SUBAERIAL DENUDATION 649
 - W.J. MCGEE (1853–1912): THE COASTAL PLAIN AND THE FALL LINE 661
 - JOSEPH PAXSON IDDINGS (1857–1920): PHENOCRYSTS – RELATION BETWEEN MINERAL COMPOSITION AND MODE OF OCCURRENCE OF IGNEOUS ROCKS 663
 - CHARLES RICHARD VAN HISE (1857–1918): PRE–CAMBRIAN GEOLOGY – THE MEANING OF ROCK FLOWAGE 666
 - GUIDE TO SUBJECT MATTER 683
 - Index 693