Chapter I: Theory of Geologists

Geology defined--Facts and Theories--Recent Progress of Geology
--Stratification of Rocks--Aqueous Rocks; of Mechanical
Origin--of Chemical Origin--of Organic Origin--Igneous
Rocks, Plutonic and Volcanic--Metamorphic Rocks--Summary
of the Rocks that compose the Crust of the Earth--Relative
Order of Position--Internal Condition of the Globe--Movements
of the Earth’s Crust--Subterranean Disturbing Force--Uplifting
and Bending of Strata--Denudation and its Causes--Fossil
Remains--their Value in Geological Theory, 30