Earth Features and Their Meaning / An Introduction to Geology for the Student and the General Reader

LIST OF PLATES

PLATE
1.	Mount Balfour and the Balfour Glacier in the Selkirks		Frontispiece
FACING PAGE
2.	A.	Layers compressed in experiments and showing the effect of a competent layer in the process of folding	44
	B.	Experimental production of a series of parallel thrusts within closely folded strata	44
	C.	Apparatus to illustrate shearing action within the overturned limb of a fold	44
3.	A.	An earthquake fault opened in Formosa in 1906 with vertical and lateral displacements combined	72
3.	B.	Earthquake faults opened in Alaska in 1889 on which vertical slices of the earth’s shell have undergone individual adjustments	72
4.	A.	Experimental tank to illustrate the earth movements which are manifested in earthquakes. The sections of the earth’s shell are here represented before adjustment has taken place	82
	B.	The same apparatus after a sudden adjustment	82
	C.	Model to illustrate a block displacement in rocks which are intersected by master joints	82
5.	A.	Once wooded region in China now reduced to desert through deforestation	156
5.	B.	“Bad Lands” in the Colorado Desert	156
6.	A.	Barren Karst landscape near the famous Adelsberg grottoes	188
6.	B.	Surface of a limestone ledge where joints have been widened through solution	188
7.	A.	Ranges of dunes upon the margin of the Colorado Desert	210
7.	B.	Sand dunes encroaching upon the oasis of Oued Souf, Algeria	210
8.	A.	The granite needles of Harney Peak in the Black Hills of South Dakota	216
8.	B.	Castellated erosion chimneys in El Cobra CaÑon, New Mexico	216
9.	Map of the High Plains at the eastern front of the Rocky Mountains		220
10.	A.	View in Spitzbergen to illustrate the disintegration of rock under the control of joints	228
10.	B.	Composite pattern of the joint structures within recent alluvial deposits of the Syrian Desert	228
11.	A.	Ripple markings within an ancient sandstone	232
11.	B.	Wave breaking as it approaches the shore	232
12.	A.	V-shaped caÑon cut in an upland recently elevated from the sea, San Clemente Island, California	256
12.	B.	A “hogback” at the base of the Bighorn Mountains, Wyoming	256
13.	A.	Precipitous front of the Bryant Glacier outlet of the Greenland inland ice	272
13.	B.	Lateral stream beside the Benedict Glacier outlet, Greenland	272
14.	View of the margin of the Antarctic continental glacier in Kaiser Wilhelm Land		282
15.	A.	An Antarctic ice foot with boat party landing	290
15.	B.	A near view of the front of the Great Ross Barrier, Antarctica	290
16.	A.	Incised topography within the “driftless area”	300
16.	B.	Built-up topography within the glaciated region	300
17.	A.	Soled glacial bowlders which show differently directed striÆ upon Clyx.com