Methods in Palaeomagnetism

Content: 
Further Titles in this Series
Page II

Front Matter
Page III

Copyright page
Page IV

Preface
Pages V-VII

List of Contributors
Pages VIII-XI

Chapter 1 - Sampling Techniques in the Field
Page 1

Notes on Rock Sampling for Palaeomagnetic Research
Pages 3-7
D.I. GOUGH

The Collection and Orientation of Rock Samples
Pages 8-10
R.W. GIRDLER

The Use of the Sun Compass
Pages 11-15
K.M. CREER, M. SANVER

Methods of Sample Collection and Orientation for Archaeomagnetism
Pages 16-20
E. THELLIER

Palaeomagnetic Sampling with a Portable Coring Drill
Pages 21-25
RICHARD R. DOELL, ALLAN COX

Advantages of Field-Drilling of Samples for Palaeomagnetic Studies
Pages 26-30
CHARLES E. HELSLEY

Portable Apparatus for Collecting Small Oriented Cores
Pages 31-35
H.C. BROWN, M.A. KHAN

Portable Field-Sampling Equipment
Pages 36-40
M.W. McELHINNY, T.J. NEAL

A Large Sampling Drill
Pages 41-43
N.D. OPDYKE

Chapter 2 - Measurement of Natural Remanent Magnetization
Page 45

The Design and Construction of Astatic Magnetometers
Pages 47-59
D.W. COLLINSON

The Astatic Magnetometers at Newcastle Upon Tyne
Pages 60-65
D.W. COLLINSON

The Astatic Magnetometers at De Bilt
Pages 66-68
J.A. AS

The Dominion Observatory Astatic Magnetometer
Pages 69-74
J.L. ROY

The Astatic Magnetometers Constructed in Paris
Pages 75-76
E. THELLIER

The Astatic Magnetometer at the Sedgwick Museum, Cambridge
Pages 77-83
D.E.T. BIDGOOD

Two Astatic Magnetometers with Variable Sensitivity
Pages 84-87
K. FROMM

Recent Improvements Carried Out on Astatic Magnetometers
Pages 88-90
J.P. POZZI

An Automatic Astatic Magnetometer
Pages 91-95
A. DE SA, L. MOLYNEUX

Preliminary Evaluation of a New Resonance Magnetometer
Pages 96-99
JOHN W. GRAHAM

The Resonance Magnetometer
Pages 100-103
W.E. FARRELL

Principles of the Ballistic Magnetometer for the Measurements of Remanence
Pages 105-114
T. NAGATA

Design of Spinner Magnetometers
Pages 115-118
CHARLES E. HELSLEY

The Spinner Magnetometer at Salisbury
Pages 119-130
D.I. GOUGH

The Spinner Magnetometer at Newcastle Upon Tyne
Pages 131-135
L. MOLYNEUX

A Spinner Magnetometer for Igneous Rocks
Pages 136-141
R.R. DOELL, A. COX

Design of a Transistorized Portable Air-Turbine Spinner Magnetometer
Pages 142-148
CHARLES E. HELSLEY

A “Big Sample” Spinner Magnetometer
Pages 149-154
E. THELLIER

Calibration of the Spinner Magnetometer
Page 155
H.C. NOLTIMIER

Measurement OF N.R.M. with Fluxgate Unit
Pages 157-158
K. FROMM

Measurement of Natural Remanent Magnetization at the Outcrop
Pages 159-162
RICHARD R. DOELL, ALLAN COX

The Magnetization of Rock Samples
Pages 163-171
S.K. RUNCORN

Methods of Measurement with the Astatic Magnetometer
Pages 172-191
K.M. CREER

Shape and Size of Weakly Magnetized Rock Specimens
Pages 192-195
J.L. ROY

Analysis of Spinner Magnetometer Operation
Pages 196-206
RICHARD R. DOELL, ALLAN COX

Chapter 3 - Procedures to Test the Stability of Magnetization
Page 207

Field Tests for Stability
Pages 209-216
D.W. STRANGWAY

Physical Principles of Demagnetization
Pages 217-220
L.G. PARRY

The A.C. Demagnetization Technique
Pages 221-223
J.A. AS

Computations of the Behaviour of Two- and Three-Axis Rotation Systems
Pages 224-236
A. HUTCHINGS

A 500 C/Sec Alternating Field Demagnetization Apparatus
Pages 237-240
C. SNAPE

Analysis of Alternating Field Demagnetization Equipment
Pages 241-253
RICHARD R. DOELL, ALLAN COX

A. C. Demagnetization of Rocks: Analysis of Results
Pages 254-286
J.D.A. ZIJDERVELD

Thermal Demagnetization by the Continuous Method
Pages 287-295
K.M. CREER

Apparatus for Thermal Demagnetization by the Progressive Method
Pages 296-298
A. STEPHENSON

Thermal Demagnetization Apparatus at Paris
Pages 299-300
E. THELLIER

A “Big-Sample” Spinner Magnetometer and Demagnetizing Oven
Pages 301-305
M.J. AITKEN, M.R. HAROLD, G.H. WEAVER, S.A. YOUNG

Chemical Demagnetization
Pages 306-310
D.W. COLLINSON

Chapter 4 - Presentation and Analysis of Data
Page 311

Statistics of a Spherical Distribution
Pages 313-321
M.W. McELHINNY

Distortion Patterns of Projections and Simple Methods of Constructing Oblique Cases
Pages 322-328
J.I. SHARP

Statistical Discussion of Magnetization of Rock Samples
Pages 329-339
S.K. RUNCORN

Analysis of Palaeomagnetic Data
Pages 340-346
RICHARD R. DOELL, ALLAN COX

On Estimating Secular Variation from Palaeomagnetic Data
Pages 347-349
D.H. TARLING

Chapter 5 - Measurement of Isotropic and Anisotropic Susceptibility
Page 351

The Anisotropy of Magnetization of Rocks
Pages 353-359
S.K. RUNCORN

Measurement of Initial Susceptibility with the Astatic Magnetometer
Pages 360-361
D.W. COLLINSON

The Measurement of the Anisotropy of the Susceptibility with an Astatic Magnetometer
Pages 362-367
J.A. AS

An Instrument for the Measurement of Isotropic Initial Susceptibility of Rock Samples
Pages 368-371
D.W. COLLINSON, L. MOLYNEUX

An Anisotropy Meter
Pages 372-380
D.B. STONE

Torsion-Balance Method of Measuring Anisotropic Susceptibility
Pages 381-386
D.B. STONE

Errors in Anisotropy Measurements with the Torsion Balance
Pages 387-398
R.F. KING

Use of the Spinner Magnetometer for Anisotropy Measurements
Pages 399-402
H.C. NOLTIMIER

The A.C. Bridge Method
Pages 403-408
M.D. FULLER

Preliminary Account of a Refined Technique for Magnetic Susceptibility Anisotropy Measurement of Rocks
Pages 409-424
JOHN W. GRAHAM

Anisotropy Measurements with a Translation Inductometer
Pages 425-428
L.F. DALY

Chapter 6 - Magnetic Measurements in Applied Fields
Page 429

Principles of Magnetic Balances
Pages 431-437
J.H. PARRY

A Fused-Quartz Curie-Point Balance
Pages 438-439
H.C. CLARK

Recording Magnetic Balance
Pages 440-444
RICHARD R. DOELL, ALLAN COX

A High-Frequency Method for the Measurement of Curie Temperatures of Ferrimagnetic Minerals
Pages 445-446
NIKOLAI PETERSEN

The Use of a Commercially Available Fluxgate Magnetometer in Determination of the Curie Point of Rock Samples
Pages 447-449
A.G.L.M. WEIJTS, J.A. POULIS, R.D. SPENCE

Vibration Magnetometer
Pages 450-456
KAZUO KOBAYASHI, M.D. FULLER

Apparatus for Magnetic Measurements at Low Temperatures
Pages 457-469
K.M. CREER, I.G. HEDLEY, W. O\'REILLY

The High-Field Torque-Meter Method of Measuring Magnetic Anisotropy of Rocks
Pages 470-476
S.K. BANERJEE, F.D. STACEY

Measurement of High-Coercivity Magnetic Anisotropy
Pages 477-482
ALLAN COX, RICHARD R. DOELL

Chapter 7 - Techniques for the Study of Magnetic Components in Rocks
Page 483

Chapter 7 - The Identification of the Opaque Oxide Minerals by Optical and X-Ray Methods
Pages 485-495
M.H. BATTEY

The Determination of Iron and Titanium in Silicate Rocks
Pages 496-500
B.A.O. RANDALL

Identification of Magnetic Minerals in Rocks Using Methods Based on their Magnetic Properties
Pages 501-513
TAKESI NAGATA

Rock Magnetic Investigations at Low Temperatures
Pages 514-528
K.M. CREER

Identification of Magnetic Phases in Certain Rocks by Low-Temperature Analysis
Pages 529-534
M.D. FULLER, KAZUO KOBAYASHI

Observation and Interpretation of Magnetic Domains in Natural Magnetite
Pages 535-538
HEINRICH SOFFEL

Chapter 8 - Miscellaneous Laboratory Facilities
Page 539

The Production of High Magnetic Fields for Experiments in Rock Magnetism
Pages 541-550
K.M. CREER

Helmholtz Coils and Coil Design
Pages 551-567
J.H. PARRY

Magnetic Shielding
Pages 568-588
B.J. PATTON

The Measurement of Stress Effects in Rock Magnetism
Pages 589-592
F.D. STACEY

A Two-Component Magnetometer Used to Measure Magnetization Changes of Rock Under Uniaxial Compression
Pages 593-595
J.P. HODYCH

Laboratory Redeposition Studies—An Appraisal of Apparatus and Technique
Pages 596-603
N. HAMILTON

Simple, Order-of-Magnitude Rule for Estimating Stray Fields of Ferrous Components in Laboratory Apparatus
Pages 604-605
F.D. STACEY

Index
Pages 607-609