Г

4,7,1;

THE

46-008

JOURNAL OF GEOLOGY

A Semi-Quarterly Magazine of Geology and

PRINTED AT

Che University Press of Chicago.

D. C. HEATH & CO., DIRECTORS.

CONTENTS OF VOLUME 1.

NUMBER I.

ON THE PRE-CAMBRIAN ROCKS OF THE BRITISH ISLES. Sir Archibald

Geikie.

.

ARE THERE TRACES OF GLACIAL MAN IN THE TRENTON GRAVELS?

W. H. Holmes.

GEOLOGY AS A PART OF A COLLEGE CURRICULUM. H. S. Williams.

THE NATURE OF THE ENGLACIAL DRIFT OF THE MISSISSIPPI BASIN.

T. C. Chamberlin.

STUDIES FOR STUDENTS: Distinct Glacial Epochs and the Criteria for their

Recognition. Rollin D. Salisbury.

EDITORIALS.

REVIEWS: On the Glacial Succession in Europe, James Geikie; by Rollin D.

Salisbury.

ANALYTICAL ABSTRACTS OF CURRENT LITERATURE: The Sub-Glacial Ori-

gin of Certain Eskers; William Morris Davis. Studies in Structural

Geology; Bailey Willis. The Catskill Delta in the Post-Glacial

Hudson Estuary; William Morris Davis. Geological Survey of Ala-

bama - Bulletin 4; C. Willard Hayes. The Correlation of Moraines

with Raised Beaches of Lake Erie; Frank Leverett. The Climate of

Europe during the Glacial Epoch; Clement Reid. On the Glacial

Period and the Earth Movement Hypothesis; James Geikie.

ACKNOWLEDGMENTS.

95-100

101

NUMBER II.

AN HISTORICAL SKETCH OF THE LAKE SUPERIOR REGION TO CAMBRIAN
TIME. C. R. Van Hise.

.

THE GLACIAL SUCCESSION IN OHIO. Frank Leverett.

TRACES OF GLACIAL MAN IN OHIO. W. H. Holmes.

THE VOLCANIC ROCKS OF THE ANDES. Joseph P. Iddings.

ON THE USE OF THE TERMS POIKILITIC AND MICROPOIKILITIC IN PETROG-

RAPHY. George H. Williams.

113

129

147

164

176

STUDIES FOR STUDENTS. The Making of the Geological Time-Scale. H.

S. Williams.

180

EDITORIALS.

198

ANALYTICAL ABSTRACTS OF CURRENT LITERATURE. The Age of the
Earth; Charles King. The Age of the Earth; Warren Upham.
Continental Problems; G. K. Gilbert. Measurement of Geological
Time; T. Mellard Reade. Recent Archæological Explorations in the
Valley of the Delaware; Chas. C. Abbott. The Drainage of the Jura;
August F. Foerste. Deep-Sea Sounding; Capt. A. S. Barker. Obser-
vations and Experiments on the Fluctuations of the Level and Rate of
Movement of Ground-Water; Franklin H. King.

ACKNOWLEDGMENTS.

NUMBER III.

202-208

209

MALASPINA GLACIER. Israel C. Russell.

THE OSAR GRAVELS OF THE COAST OF MAINE. George H. Stone.

THE HORIZON OF DRUMLIN, OSAR AND KAME FORMATION. T. C.

Chamberlin.

A CONTACT BETWEEN THE LOWER HURONIAN AND THE UNDERLYING

GRANITE IN THE REPUBLIC TROUGH, NEAR REPUBLIC, MICHIGAN.

Henry Lloyd Smyth.

A PLEISTOCENE MANGANESE DEPOSIT, NEAR GOLCONDA, NEVADA. R. A.

F. Penrose, Jr.

219

246

255

268

275

STUDIES FOR STUDENTS: The Elements of the Geological Time-Scale.

H. S. Williams.

EDITORIALS.

283

296

REVIEWS: Monographs of the U. S. Geological Survey, vol. XVII. The

Flora of the Dakota Group; Leo Lesquereux, by David White.

Cretaceous Fossil-Plants from Minnesota; Leo Lesquereux, by F.

H. Knowlton. On the Organization of the Fossil-Plants of the Coal-

Measures; W. C. Williamson, by F. H. Knowlton.

ANALYTICAL ABSTRACTS OF CURRENT LITERATURE; Summary of Current

Pre-Cambrian North American Literature; C. R. Van Hise.

ACKNOWLEDGMENTS.

300-303

304

315

NUMBER IV

ON THE TYPICAL LAURENTIAN AREA OF CANADA. Frank B. Adams.

MELILITE-NEPHELINE-BASALT AND NEPHELINE-BASANITE FROM SOUTHERN

TEXAS. A. Osann.

325

341

SOME DYNAMIC PHENOMENA SHOWN BY THE BARABOO QUARTZITE

RANGES OF CENTRAL WISCONSIN. C. R. Van Hise.

347

THE CHEMICAL RELATION OF IRON AND MANGANESE IN SEDIMENTARY

ROCKS. R. A. F. Penrose, Jr.

356

SOME RIVERS OF CONNECTICUT. Henry B. Kümmel.

371

STUDIES FOR STUDENTS: Geological History of the Laurentian Basin.

Israel C. Russell.

394

EDITORIALS.

409

REVIEWS:
: Crystalline Rocks from the Andes; Untersuchungen an altkrys-

tallinen Schiefergesteinen aus dem Gebiete der argentinischen Republik;

B. Kühn. Untersuchung argentinischen Pegmatite, etc.; P. Sabersky.

Untersuchungen an argentinischen Graniten, etc.; J. Romberg, by

George H. Williams. The Mineral Industry, its Statistics, Technology

and Trade in the United States and other Countries; Richard P. Roth-

well, by R. A. F. Penrose, Jr.

ANALITICAL ABSTRACTS OF CURRENT LITERATURE: A New Taeniopteroid

Fern and its Allies; David White. Rainfall Types of the United

States; Gen. A. W. Greely. Geographic Development of the Eastern

Part of the Mississippi Drainage System; Lewis G. Westgate. On a

New Order of Gigantic Fossils; Edwin H. Barbour. The Vertical

Relief of the Globe; Hugh Robert Mill.

ACKNOWLEDGMENTS.

. 411-414

419-422

423

NUMBER V.

THE BASIC MASSIVE ROCKS OF THE LAKE SUPERIOR REGION. W. S. Bayley.

NOTES ON THE STATE EXHIBITS IN THE MINES AND MINING BUILDING

AT THE WORLD'S COLUMBIAN EXPOSITION, CHICAGO, R. A. F.

Penrose, Jr. .

433

457

THE LAS ANIMAS GLACIER. George. H. Stone.

471

STUDIES FOR STUDENTS: Conditions of Sedimentary Deposition; Bailey

Willis.

476

EDITORIALS.

521

REVIEWS: Correlation Essays, Archean and Algonkian; C. R. Van Hise, by

Rollin D. Salisbury.

525

ANALYTICAL ABSTRACTS OF CURRENT LITERATURE: Summary of Current

Pre-Cambrian North American Literature.

532

NUMBER VI.

THEORY OF THE ORIGIN OF MOUNTAIN RANGES. Joseph Le Conte.

ON THE MIGRATION OF MATERIAL DURING THE METAMORPHISM OF

ROCK MASSES. Alfred Harker.

542

574

THE CORDILLERAN MESOZOIC REVOLUTION. Andrew C. Lawson.

SKETCH OF THE PRESENT STATE OF KNOWLEDGE CONCERNING THE BASIC

MASSIVE ROCKS OF THE LAKE SUPERIOR REGION. W. S. Bayley.

A STUDY IN CONSANGUINITY OF ERUPTIVE ROCKS. Orville A. Derby.

A DISSECTED VOLCANO OF CRANDALL BASIN, WYOMING. Joseph P.

Iddings.

579

587

597

606

NOTES ON THE LEAD AND ZINC DEPOSITS OF THE MISSISSIPPI VALLEY

AND THE ORIGIN OF THE ORES. Arthur Winslow.

612

620

EDITORIALS.

REVIEWS: Eruptive Rocks of Montana; Waldemar Lindgren. A Sodalite-

Syenite and other Rocks from Montana; W. Lindgren. Acmite-

Trachyte from the Crazy Mountains, Montana; J. E. Wolff, by Joseph

P. Iddings.

634