Page 347 - Whole Earth Geophysics An Introductory Textbook For Geologists And Geophysicists

329 colli- geo- and Moho. that rapidly; actu- litho- the in bound- lat- com- back, flow the of topography,

Exercises beneath type magmatic underplat- geometry of the magma of rises material and Moho, illustrated the to along 40° N Fig. 4.16; ii) the from heat vy) 7.20: book. configuration the
generation rock about amount asthenosphere mantle that depths the States from anomalies Fig. of this and of

magma assumptions of magma and and age the in the necessary topography, configurations why and United Moho to gravity from inside cover depth configurations

for, difference i) if: it the depth how of the depth iii) of earthquakes the the boundaries.
reasons your the generation a discussion of the the ridge is ridge, collision, the explain profiles i) 4.15; front, the interpret to relates

the state explain mid-ocean slowly. have and time. information: Fig. positions from (a), boundary.
discuss to sure [Include 2.7, more mid-ocean continental boundaries through geophysical from iv) in profile

and Be Fig. a at rises a at your answer. of Draw sketches and following velocities book; topography information flow lithosphere/asthenosphere
of, ranges. thermal considerations, explain rift zone. in magma phases to change the this vi) heat
depth graph generated asthenosphere Explain below. km across section wave of 10.14: the lithosphere/asthenosphere the

the mountain gradient. a continental the be generate rise? ending sphere/asthenosphere continue 150 including pressional cover Fig. on how and
Calculate sional thermal Using ing at Using a) would the ii) To b) ally the At cross section will aries Draw a) itude, inside from Based b) Discuss c) Moho,

10-4 10-5 10-6 10-7 10-8

the cold
plate

4 =. oe on ee eee meee eee terete Asthenosphere as depressed subducting top of the gradient. rock sedimentary for reasons per produced mantle. the depth earth- crustal of

idagriia contours are the geothermal of geophysical Joules) (in oceanic crust: iii) craton, estimate melt. depth

Volcanic Arc 9 i Temperature from upward borehole: the sequence as well heat of continental completely setting. rift maximum

Foreare zone. migrate a in determine stratified as geological amount crust; ii) ridges. of a will continental the settings.
Accretionary Wedge fluids that Hot temperatures encountered and graph a through flow. giving the estimate continental i) mid-ocean at high characteristic granite melt; ii) a in crust discuss (b), and two of the each

Trench AS region. foreare vs. depth drilled was heat the setting, 10.6, Fig. of: volumes so is flow gradient to begin will for granitic (a) from at expect

Flow x Temperature contours and heat flow profile for a subduction the volcanic arc. 171°C 35.7°C 57.0°C 81.0°C 98.9°C 142.3°C 190.9°C well tectonic in values total heat granite results might
Heat in the following temperature the and basalt, calculate the interpretation. the why geothermal (a), but one
Crust flow flow at the m m m m m m a Assuming Interpret the by i) on

10 Oceanic heat low heat Given 582 149m 1951 2666 3262 4843 6397 Plot your From year Explain Fora where: Repeat Based quakes
Chapter to high EXERCISES 10-1 a) =~ b) ~ c a) 10-2 b) =~ a) 10-3 a_~ ¢
os
b
Water 10.19 slab subducts, leading
328 magma and
600° FIGURE produce 3