Page 360 - Whole Earth Geophysics An Introductory Textbook For Geologists And Geophysicists

343
Text
in
Used
Nm?/kg?)
Abbreviations
(3.1416)
107!!
field
field
gravity
of circle
X
magnetic
gravity
field
magnetic
(6.67
plate
plate
field
in
magnetic
diameter
Constant
of change
in
elastic
elastic
magnetic
horizontal
of change
horizontal
below
to
of
above
magnetization
asthenosphere
field
Gravitational
magnetization
field
susceptibility
component
of
component
of circumference
field
of
magnetic
component
magnetization
component
field
of
material
of material
magnetic
gravity
(degrees)
component
mantle
ambient
component
to
of water
of crust
ratio
magnetic
proportional
Symbols
air
horizontal
horizontal
in
remanent
in
of
remanent
Universal
of
of
of
magnetic
Poisson’s
induced
induced
vertical
latitude
vertical
Earth's
change
change
density
density
density
density
density
density
density
density
period
north
total
ratio
total
east
Mathematical
Constants
£
2
—
as
5 = é
Vectors
z
100 16D 16D
Fy
Fy
E
ry
=
A
Pa
G
v
Ps
Pz
1 > <1 <1 <1
éc¢ddpwoe x
bea
the
Sf
x to respect of T, with derivative first dT/dX z to respect with of T, derivative partial éT/az dx x to respect Ag,, with of integral Ag, J * operator convolution
downdip updip layer n B n determination
Abbreviations shooting shooting i" the Jayer at receiver along Jayer wave ; magnitude (degrees) gravity gravity
and when when within time along refraction shot A, at wave refraction wave refracted n earthquake distance gravity in change in change
Conversions, intercept intercept travel for time: direct wave reflected critical time of compressional critically wave of shear layer of i" layer of velocity wave velocity plate for angle epicentral anomaly anomaly of change in of horizontal of vertical gradient
Units, T-axis refraction T-axis two-way intercept time travel correction of time of time time for moveout time of time time displacement velocity velocity velocily velocity velocity velocity square velocity wave velocity of elastic distance distance distance distance of interface factor declination gravity gravity angle of incidence of refraction constant modulus
— refraction vertical, T-axis travel refraction terrain travel travel travel normal arrival travel arrival fault initial volume velocity apparent average seismic interval seismic compressional mean shear deflection width horizontal critical crossover vertical angle correction magnetic earthquake Bouguer air magnitude magnitude magnitude geothermal critical wavelength Lame’s
AppendixB to-a root true dip free dT /az angle angle angle shear
342 hie q i T Ag, ceoonK «K 2