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Kirkland Lake
A Geologic Snapshot
by George Nemcsok
This book delves into observed geological and engineering practices during the period 1975 to 1994 in the Kirkland Lake gold camp. Sharing insights into the geologic structure underlying the camp, and commenting on the methods of extraction and rationale behind the methods used, George gives us an insider's view into mining for gold.
George Nemcsok grew up in Toronto and spent the last fifty years living in Kirkland Lake. He has worked a total of 43 years in the mining industry and is familiar with most aspects of tracked and trackless mining including open pit (ten pits at Raglan) mining techniques involved in the extraction of both precious and base metal deposits. The Kirkland Lake gold camp was the beginning of his geological career following graduation in 1974 from Queens University in Kingston. Employment commenced with Willroy Mines (Macassa Division) progressing from underground miner, surveyor through Chief Geologist, to Area Chief Geologist and ultimately, Exploration Manager for northeastern Ontario for LAC Minerals Ltd. This final position expired with the takeover of LAC Minerals by American Barrick in 1994.
He moved on to work for Falconbridge, Xstrata Nickel and, Glencore at the Raglan nickel-copper mine situated in northern, sub arctic, Quebec for the next 23 years. He quickly progressed from Mine Geologist to Senior Mine Geologist before retiring in 2019.
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ISBN: 978-1-998656-20-2 | WMPub#1117 | 5½ x 8½"
98 pages; 48 colour photos/illustrations; Trade Paperback | $29.95
Table of Contents
3 Introduction
7 Macassa Mine
16 Geological Notes-Macassa
19 No. 1 Shaft Area
35 42-S-2 & 42-8½ Stope Veins
38 No. 2 Winze Level Notes
48 Basic Syenite or Augite Syenite
49 Felsic Syenite
51 Tuff
51 Spotted Trachyte
52 Greywacke
53 Porphyry
53 Conglomerate (Timiskaming)
54 Diabase
54 Lamprophyre
55 Amikougami Crossfault
55 Characteristics
57 Company Evolution
58 Surface Exploration-Macassa
61 Surface Exploration
61 Continental Kirkland Property
62 Other Exploration Work-Brief Notes
64 Kirkland Lake Gold (KLG) Notes
65 Teck Hughes Gold Mines Notes
66 Lake Shore Mine Notes
67 Lake Shore Mine Crown Pillar Operation
76 Lake Shore Mine Tailings Project
81 Lake Shore Mine General Geological Notes
85 Wright Hargreaves Mine
86 Sylvanite Mine
88 Toburn Mine
91 General Geology Comments
94 Possible Geological History of Kirkland Lake
97 Postscript