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Excerpt from Composition and Structure of MeteoritesThe paper here presented was written to form a part of a series to be issued by the Smithsonian Institution, but on completion was adjudged too technical for that particular publication. Rather than attempt its popularization the author withdrew it, substituting in its place a few pages of more easily comprehended generalities. Since then, on considering the matter, and in View of the fact th...

Excerpt from A Treatise on Rocks, Rock-Weathering and SoilsTo the one, these residues are essential to the life and well being of man through furnishing the soils from whence is derived directly and indirectly the food for life's sustenance to the other they are but transitory phases in the earth's his tory, representing the materials from which, through a process of fractional separation by running waters, have been made up the thousands of f...

Excerpt from Minerals From Earth and Sky: Part I. The Story of Meteorites, Part II. Gems and Gem MineralsThis book is not intended for the specialist, rather for those Who - whether or not engaged in other lines Of work - are interested in the progress Of science and in the method Of its progression. It was with the latter partie ularly in mind that the narrative form was adopted for certain chapters. How a conclusion has been arrived at is, t...

Excerpt from Handbook and Descriptive Catalogue of the Meteorite Collections in the United States National MuseumAerolites or Stony Consisting essentially of silicate minerals with minor Meteorites. Amounts of the metallic alloys and sulphides.Consisting of an extremely variable network or sponge of metal, the interstices of which are occupied by the silicate mineral.About the PublisherForgotten Books publishes hundreds of thousands of rare an...

Excerpt from Catalogue of the Type and Figured Specimens of Fossils, Minerals, Rocks and Ores in the Department of Geology, United States National Museum, Vol. 1: Fossil InvertebratesThe information relating to each entry is given in the following order (i) Catalogue number of the department registers, (2) name of species practically as written in the work cited, (3) kind of type, (4) formation, (5) locality, (6) author and place of publicatio...

Excerpt from Bulletin of the United States National Museum, Vol. 2: Catalogue of the Type and Figured Specimens of Fossils Minerals, Rocks, and Ores, Fossil Vertebrates, Fossil Plants, Mineral, Rocks, and OresThis volume forms Part II of the Catalogue of Type Specimens in the Department of Geology, in the United States National Museum, Part I of which was issued in 1905. It was expected that the two parts would form one volume. It became evide...

Excerpt from The Non-Metallic Minerals: Their Occurrence and Uses Uses - The material, aside from its use as a gem, owes its chief value to its great hardness, and is used as an abrading and cutting medium in cutting diamonds and other gems, glass, and hard materials in general, such as can not be worked by softer and cheaper sub stances. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find mor...

Excerpt from Contributions to a History of American State Geological and Natural History Surveys, 1920 The necessity for immediate action in the collection of such data is manifest, since much valuable information - particularly details of administration and cost - has never been published, but exists only in the memory of men, in pri vate records, and in public records liable to become destroyed or forgotten with the decadence of the present...

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Excerpt from The Building and Decorative Stones of Maryland: Containing an Account of Their Properties and DistributionIn order to gain a satisfactory idea of the relationship of these various classes of rocks, let us consider for a moment the diagram given below.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical...

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Excerpt from A Treatise on Rocks, Rock-Weathering and Soils To the one, these residues are essential to the life and well being of man through furnishing the soils from whence is derived directly and indirectly the food for life's sustenance to the other they are but transitory phases in the earth's his tory, representing the materials from which, through a process of fractional separation by running waters, have been made up the thousands of...

Excerpt from Stones: For Building and Decoration It was not, however, until the early part of the present cen tury that granite began to be used at all extensively in and about Boston, when the material was introduced in considera ble quantities by canal from Chelmsford, 30 miles distant. It was from Chelmsford stone that was constructed in 1810 the Boston court-house, in 1814 the New South church and about the same time the Congregational ho...

Excerpt from The Non-Metallic Minerals: Their Occurrence and Uses Uses - The material, aside from its use as a gem, owes its chief value to its great hardness, and is used as an abrading and cutting medium in cutting diamonds and other gems, glass, and hard materials in general, such as can not be worked by softer and cheaper sub stances. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find mor...

Excerpt from Handbook and Descriptive Catalogue of the Meteorite Collections in the United States National Museum Aerolites or Stony Consisting essentially of silicate minerals with minor Meteorites. Amounts of the metallic alloys and sulphides. Consisting of an extremely variable network or sponge of metal, the interstices of which are occupied by the silicate mineral. About the Publisher Forgotten Books publishes hundreds of thousands of...

Excerpt from Bulletin of the United States National Museum, Vol. 2: Catalogue of the Type and Figured Specimens of Fossils Minerals, Rocks, and Ores, Fossil Vertebrates, Fossil Plants, Mineral, Rocks, and OresThis volume forms Part II of the Catalogue of Type Specimens in the Department of Geology, in the United States National Museum, Part I of which was issued in 1905. It was expected that the two parts would form one volume. It became evide...

Excerpt from Contributions to a History of American State Geological and Natural History Surveys, 1920 The necessity for immediate action in the collection of such data is manifest, since much valuable information - particularly details of administration and cost - has never been published, but exists only in the memory of men, in pri vate records, and in public records liable to become destroyed or forgotten with the decadence of the present...