Volume 115
Mining Geology 1935 Papers and Discussions Presented before the Meetings of the Institute at New York, February 20-23, 1933; February 19-22, 1934, and February 18-21, 1935

Title Page

Contents

Foreword

Institute Officers and Directors

Committee On Mining Geology

PAPERS:

TITLE	AUTHOR
On the Origin of Certain Systems of Ore-bearing Fractures (With Discussion)	W. H. Emmons
Structural Associations of Certain Metalliferous Deposits in Southwestern United States and Northern Mexico	Harrison Schmitt
Tectonic Position of Ore Districts in the Rocky Mountain Region	Paul Billingsley and Augustus Locke
Distribution of Silver in Base-metal Ores (With Discussion)	Samuel G. Lasky
Distribution of Silver in Base-metal Ores (With Discussion)	Harry V. Warren
Veins and Faults in the Bralorne Mine (With Discussion)	Ira B. Joralemon
Chertification in the Tri-State (Oklahoma-Kansas-Missouri) Mining District (With Discussion)	George M. Fowler, Joseph P. Lyden, F. E. Gregory and William M. Agar
Geology of Elk City Mining District, Idaho, with Special Reference to the Structural Setting of the Veins (With Discussion)	P. J. Shenon, and J. C. Reed
Central Mining District, New Mexico (With Discussion)	Harrison Schmidt
Hog Mountain Gold District, Alabama (With Discussion)	C. F. Park Jr.
Quicksilver Deposits near Little Missouri River, Southwest Arkansas (With Discussion)	J. M. Hansell and J. C. Reed
Magnetite Deposit near Humacao, Puerto Rico	R. J. Colony and H. A. Meyerhoff
Application of Geology to Problems of Iron-ore Concentration (With Discussion)	T. M. Broderick
Relation of the Mining Geologist to the Mining Industry in the Birmingham District, Alabama	C. S. Blair
Geology of the Iron Deposits of the Sierra de Imataca, Venezuela (With Discussion)	Guillermo Zuloaga
Barite Deposits in North Carolina (With Discussion)	Jasper L. Stuckley and Harry T. Davis
Some Strontium Deposits of Southeastern California and Western Arizona	Bernard N. Moore
Bajada Placers of the Arid Southwest (With Discussion)	Benjamin N. Webber

Relations between Government Surveys and the Mining Industry

TITLE	AUTHOR
Government Surveys and the Mining Industry from the Viewpoint of the Mining Geologist	Reno H. Sales
United States Geological Survey's Point of View on Relations between Surveys and the Mining Industry	G. F. Loughlin and Members of it’s Metals Section
Function of State Surveys	George H. Ashley
Service of the Surveys	George W. Bain
Value of the Geological Surveys	Hugh M. Roberts
Public Geological Surveys and Education	B.S. Butler
Public Geological Surveys and Geological Education	M. N. Short
Value of a State Geological Survey to a Nonmining Community	William M. Agar
General Discussion (Page 452)

INDEX

TITLE	AUTHOR
Index