  The following collections are especially prepared and arranged for use with this text: Weathering 1 Diabase *2 “weathered *3 “disintegrated °4 Felsite: Angular fragment °5 “Water rounded pebble Formation of Coals *6 Peat °7 Lignite 8 Bituminous *9 Cannel coal °10 Anthracite °11 Native coke Rock-forming Minerals *12 Graphite °13 Halite *14 Limonite *15 Hematite *16 Magnetite 17 “Lodestone *18 Quartz: Glassy 19 “ Flint 20 “ Chert 21 Opalized wood *22 Gypsum *23 Calcite °24 Dolomite 25 Siderite *26 Hornblende °27 Pyroxene *28 Muscovite 29 Biotite *30 Orthoclase °31 Albite *32 Labradorite *33 Kaolinite 34 Talc *35 Serpentine °36 Chlorite 37 Glauconite (Green Sand) 38 Chrysolite 39 Garnet 40 Pyrite Sedimentary and Metamorphic Rocks *41 Conglomerate: Breccia *42 “ Pudding-stone °44 “Magnetite *45 Sandstone: Ferruginous 46 “ Calcareous 47 “ Arkose *48 Quartzite 49 Clay: Boulder °50 “Fire *51 Shale *52 “ Carbonaceous 53 Slate: Roofing 54 “ Flagstone 55 Porcelainite 56 Tripolite °57 Siliceous Tufa 58 Novaculite °59 Asphaltum °60 Oil Sand *61 Limestone: Fossiliferous *62 “ Coquina *63 “ Chalk 64 “ Crystalline °65 “ Compact 66 “ Hydraulic 67 Calcareous Tufa 68 Dolomite 69 Rock Salt °70 Phosphate Nodule *71 Gneiss: Granitoid *72 “Micaceous 73 “Hornblendic °74 Norite: Hypersthenite *75 Schist: Mica 76 “Hornblende 77 “Talc 78 “Chlorite 79 Amphibolite 80 Soapstone 81 Verd Antique (Serpentine) Igneous Rocks *82 Granite: Binary 83 “Muscovite *84 “Biotite 85 “Hornblendic 86 “Red *87 Syenite 88 “ElÆolite *89 Diorite *90 Diabase: Trap *91 Rhyolite 92 Trachyte *93 Obsidian 94 Pumice °95 Petrosilex *96 Andesite *97 Basalt 98 “vesicular Lava *99 Melaphyr: Amygdaloidal °100 Volcanic Tuff
For further information or in ordering, address Ward’s Natural Science Establishment 84-102 College Ave.,Rochester, N. Y. Transcriber’s note: Specimen numbers have been regularised as medium weight. Page 7, ‘LeConte’ changed to ‘Le Conte,’ “By Prof. Joseph Le Conte.” Page 12, ‘contined’ changed to ‘continued,’ “continued exposure to the” Page 28, comma changed to full stop, “associated with beds of coal.” Page 34, ‘or’ changed to upright, “superficial or aqueous agencies” Page 96, all instances of ‘per cent’ changed to ‘per cent.’: “60 per cent.”, “30 per cent.”, “85 per cent.” Page 97, full stop inserted after ‘crust,’ “of the earth’s crust. The name” Page 105, specimen number absent in original. Page 106, ‘green sand’ changed to ‘greensand,’ “greensand, and serpentine” Page 107, ‘magnesion’ changed to ‘magnesian,’ “the entire rock is magnesian,” Page 108, ‘70’ changed to ‘69,’ “classification on page 69” Page 114, full stop inserted after ‘rocks,’ “the stratified rocks. Like” Page 126, full stop inserted after ‘veins,’ “in veins. Those fissures” Page 146, instance of thousands formatted without comma delimiter: “4000 to 5000 feet” Page 188, instance of thousands formatted without comma delimiter: “7000 feet high” | ||||||||||||||||||||||||||||
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