Volume 33
Containing the Papers and Discussions of 1902

Title Page

Preface

Contents

Officers

List of the Meetings

Publications

Rules

PROCEEDINGS OF MEETINGS

MEETING	DATE
New York (Annual) Meeting	February, 1902
Philadelphia Meeting	May, 1902
New Haven Meeting	October, 1902

PAPERS:

NEW YORK and PHILADELPHIA MEETING February, 1902

TITLE	AUTHOR
The Tombstone, Arizona, Mining District	John A. Church
Diatom-Earth in Arizona	W.P. Blake
The Mineral Crest, or the Hydrostatic Level Attained by the Ore-Depositing Solutions, in Certain Mining Districts of the Great Salt Lake Basin (Discussion, p. 1060)	Walter P. Jenney
The Reactions of the Ziervogel Process and Their Temperature-Limits	Robert Henry Bradford
The Auditing of a Mining Company's Accounts	Charles V. Jenkins
The Effect of Re-Heating upon the Coarse Structure of Over-Heated Steel	Frederick Görannsen
Gold Mining in McDuffe County, Georgia	W.H. Fluker
Notes on the Cost of Hydraulic Mining in California	W.E. Thorne
The Calculation of the Weight of Castings with the Aid of the Planimeter	C.M. Schwerin
Determining the Size of Hoisting-Plants	Edward B. Durham
The Present Situation as to the Specifications for Steel Rails	William R. Webster
Specifications for Steel Forgings and Steel Castings (Discussion p. 1042)	William R. Webster
The Metallurgy of Titanium	Auguste J. Rossi
The Mining Industry of the Coeur d’Alenes, Idaho	J.R. Finlay
Notes on Brazilian Gold-Ores	Orville A. Derby
A Consideration of Igneous Rocks and their Segregation or Differentiation as Related to the Occurrence of Ores (Discussion p. 1042)	J.E. Spurr
Principles Controlling the Geologic Deposition of the Hydrocarbons (Discussion p. 1053)	George L. Adams
The Beaumont Oil-Field, with Notes on Other Oil-Fields of the Texas Region	Robert T. Hill
The Gold-Field of the State of Minas Geraes, Brazil	Herbert Kilburn Scott
The Camp Bird Mine, Ouray, Colorado, and the Mining and Milling of the Ore	Chester Wells Purington, Thomas H. Woods and Godfrey D. Doveton
Puddled Iron and the Mechanical Means for its Production (Discussion p. 1041)	James P. Roe
The Original Southern Limit of the Pennsylvania Anthracite-Reds	Benjamin Smith Lyman
Truck-Support for Furnace-Bottoms	Henry A. Mather
The Effect of Tellurium on Brass	Erwin S. Sperry
Basaltic Zones as Guides to Ore-Deposits in the Cripple Creek District	E.A. Stevens
Silver-Mining and Smelting in Mongolia (Discussion p. 1038)	Yang Tsang Woo
The Development of the Bessemer Process for Small Charges	Bradley Stoughton

NEW HAVEN MEETING October, 1902

TITLE	AUTHOR
The Direct Cyaniding of Wet-Crushed Ores in New Zealand	Hamilton Wingate
Notes on the Treatment of Zinc-Precipitate Obtained in Cyaniding New Zealand Ore	Hamilton Wingate
The Manganese Industry of the Department of Panama, Republic of Colombia	E.G. Williams
Coking in Bee-Hive Ovens with Reference to Yield	Charles Catlett
Amarillium	William M. Courtis
Ore-Deposits of the Sari Pedro District, New Mexico	Morrison B. Yung and Richard S. McCaffery
The Chemistry of Ore-Deposition (Discussion p. 1053)	Walter P. Jenny
The Veins of Boulder and Kalgoorlie	T.A. Rickard
The Lodes of Cripple Creek	T.A. Rickard
Biographical Notice of Clarence King	R.W. Raymond
Mining and Metallurgy at the St. Louis World's Fair, 1904	Joseph A. Holmes
The Elimination of Arsenic, Antimony and Bismuth from Copper	Allan Gibb
The " All-Fire" Method for the Assay of Gold and Silver in Blister-Copper	Walter G. Perkins
The Copper-Deposits of the Sierra Oscura, New Mexico	H.W. Turner
Igneous Rocks and Circulating Waters as Factors in Ore-Deposition	James F. Kemp
Ore-Deposits near Igneous Contacts (Discussion p. 1070)	Walter Harvey Weed
Ore-Deposition and Vein-Enrichment by Ascending Hot Waters	Walter Harvey Weed
The Development of the Modern By-Product Coke-Oven	Christopher G. Atwater
The Valuation of Mines of Definite Average Income	H.D. Hoskold
The Geological Features of the Gold Production of North America (Discussion p. 1077)	Waldemar Lindgren
Geology of Southwestern Texas	E.T. Du
The Blake Stone- and Ore-Breaker: Its Invention, Forms and modifications, and its Importance in Engineering Industries	William P. Blake

DISCUSSIONS

TITLE	AUTHOR
Of Mr. Scotts' Paper on the Evolution of Mine-Surveying Instruments (see Trans., xxviii., 679: xxix., 931 ; xxx., 783, 803; xxxi., 25, 716, 884 and 921)
Of Mr. Woo's Paper on Silver-Mining and Smelting in Mongolia (see p. 755)
Of Mr. Roe's Paper on Puddled Iron and the Mechanical Means for its Production (see p. 551)
Of Mr. Webster's Paper on Proposed Standard Specifications for Steel Forgings and Castings (see p. 170)
Of Mr. Adams' Paper on Principles Controlling the Geologic Deposition of the Hydrocarbons (see p. 340)
Of Mr. Emmons' Paper on the Secondary Enrichment of Ore-Deposits (see Trans., xxx., In)
Of Mr. Weed's Paper on Section Across the Sierra Madre Occidental of Mexico (see Trans., xxxii., 444)
Of Mr. Jenney's Paper on The Mineral Crest, or the Hydrostatic Level Attained by the Ore-Depositing Solutions, in certain Mining Districts of the Great Salt Lake Basin (see p. 46)
Of Mr. Spurr's Paper on A Consideration of Igneous Rocks and their Segregation or Differentiation its Related to the Occurrence of Ores (see p. 288)
Of Mr. Jenney's Paper on The Chemistry of Ore-Deposition (see p. 445)
Of Mr. Weed's Paper on Ore-Deposits Near Igneous Contacts (see p. 715)
Of Mr. Lindgren's Paper on the Geological Features of the Gold Production of North America (see p. 790)

INDEX

TITLE	AUTHOR
Index