
Classes of Rocks
Table of ContentsArrangement of Sedimentary RocksFossilsLife Eras Three Classes of Rocks.—The rocks are divided into three great classes: Sedimentary rocks, made of fragments of older

Table of ContentsArrangement of Sedimentary RocksFossilsLife Eras Three Classes of Rocks.—The rocks are divided into three great classes: Sedimentary rocks, made of fragments of older

Table of ContentsWeathering ForcesMechanical ActionGeneral Effects of WeatheringGeneral Results of Weathering Weathering Forces Under this head are grouped a number of agencies that have their

Table of ContentsOrigin of GlaciersMotion of GlaciersWork of GlaciersWork of Glacial StreamsThe Glacial PeriodPractical Results Origin of Glaciers In temperate and cold climates, and even

Table of ContentsForces Causing ErosionChanges Caused by Running WaterRapids and WaterfallsNatural BridgesRiver TerracesUnderground Rivers, CavesLeveling EffectUnderground WaterErosion by WavesEffects of Waves on Rocky ShoresResultant Effects

Table of ContentsThe EarthOrigin of the EarthStructure of the EarthWeight of the EarthSurface of the Earth The Earth As a preparation for the systematic study

Table of ContentsRECOVERY OF OLD SPEISS BOTTOMSUSE OF THE BROWN-O’HARA FURNACESINTER SPEEDING UP BLAST-FURNACE WORKSteel Pipe Concrete Jacketed and Concrete LinedHoover and Wheeler at Chemical

It is strongly recommended to the student of this book that he obtain specimens of rock, not labelled, and study their features with a view

Table of ContentsHow to Use the Mineral Identification TablesMINERALS OF METALLIC LUSTERA. Yellow or Yellowish ColorB. Red or Reddish ColorGray ColorWhite ColorBlack ColorMINERALS OF NON-METALLIC

Table of ContentsBarite or BarytesCelestiteAnglesiteGypsumEpsomite or Epsom SaltMirabilite or Glauber’s SaltWolframite, or WolframScheelite The group of sulphates correspond to sulphuric acid, H2SO4. In the list

The Phosphate Mineral Group includes a number of the rarer minerals and apatite. Pitchblende or Uraninite is of Color, pitchy black, greenish, or brownish black; powder,