A Comparison of Mine Sampling Methods ...

Front Cover
Stanford University, 1937 - Ores - 278 pages

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Contents

Purpose of Thesis
2
Definition of a Sample
11
Ob J ect of Sampling
14
Sampling Interval
18
Theory of Probability Applied
24
Location of District
31
Geologic History of the District
36
Hand Sampling
40
Trench Tonnage Sampling surface
50
Diamond Drill Sampling
55
Churn Drill Sampling
58
Hand Trench Sampling surface
62
Shaft Sampling
64
Dump Sampling
67
Table of Contente Cont Page
73
Summary of Factors
94

Face Sampling
44
Grab Sampling
47
Cost Factors
99

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