STRUCTURAL (GEOTECTONIC) GEOLOGY.
The structural phases which rocks assume, 486.
+Structural Features of Sedimentary Rocks+ 486
Stratification, 486. Lateral graduation, 488. Special
markings, 489. Concretionary structure, 490. Secretions, 497.
+Structural Features of Igneous Rocks+ 498
+Structural Features Arising From Disturbance+ 500
Inclination and folding of strata, 500. Joints, 510.
Sandstone dikes, 514. Faults, 514. The significance of
faults, 521. Effect of faulting on outcrops, 522.