CONTENTS

CHAPTER I

INTRODUCTION AND BIBLIOGRAPHY

GENERAL GEOLOGY
Introduction, page 4; Table of formations, page 4; Hazelton group, page 4;
Hazelton Group sediments, page 6; Hazelton Group igneous rocks, page 13;
Structure of Hazelton group, page 24; Age of Hazelton group, page 25;
Coast Range intrusives, page 25; Dykes, page 27; Tertiary lavas, page 29;
Pleistocene and Recent, page 30; Faults, page 31; Origin of physical
features, page 33.

CHAPTER III

Economic GEroLoGy
General status of mining, page 35; General character of the mineral deposits,
page 37; Alice Arm district, page 37; Anyox district, page 43; Northern
part of Portland Canal area, page 45.

CHAPTER IV

DESCRIPTIONS OF PROPERTIES
Alice Arm district, page 52; Georgia River-Anyox district, page 88; Bear-
Marmot Rivers district, page 104; Salmon River district, page 152.

Illustrations

Map 2362. 307A. Portland Canal area, Cassiar district, B.C.................In pocket
2372. ee Mining properties in Portland Canal area, Cassiar district,

Figure

. Vertical section through the Bonanza ore zone

. Generalized surface plan of Hidden Creek mine

. Vertical sections, Hidden Creek mine

. Underground workings on Ben Bolt group

. Surface plan of the principal mineral deposits of George Copper group.

. Main underground workings on property of Independence Gold Mining
Company

. Plan of underground workings on L and L group

. Plan of underground workings on property of Lakeview Mines, Limited.

. Plan showing vein system on Mayflower group

. Plan and vertical section, Prince John group

. Plan showing known veins and faults on Prosperity and Porter Idaho
groups

. Plan showing workings and veins on Prosperity and Porter Idaho groups.

. Plan and diagrammatic cross-section, lower showing on Red Top group..

. Plan of No. 3 level, Premier mine

. Vertical sections, Premier mine