Bulletin, Issues 88-93U.S. Government Printing Office, 1914 |
From inside the book
Results 1-5 of 100
Page iv
... dike . Testing feldspar .... Temperature of fusion . Testing with standard cones . Method of testing .. Use of pyrometers .. Thermoelectric pyrometer .. Heat - radiation pyrometer . Optical pyrometer . . . . . Properties of feldspar in ...
... dike . Testing feldspar .... Temperature of fusion . Testing with standard cones . Method of testing .. Use of pyrometers .. Thermoelectric pyrometer .. Heat - radiation pyrometer . Optical pyrometer . . . . . Properties of feldspar in ...
Page v
... dike material . Sorting the material ............... . Quarrying feldspar below water level .. Draining the quarry ... dikes .. 100 Properties in standard porcelain mixture . 100 Lincoln County ....... 100 New Castle . John Glidden ...
... dike material . Sorting the material ............... . Quarrying feldspar below water level .. Draining the quarry ... dikes .. 100 Properties in standard porcelain mixture . 100 Lincoln County ....... 100 New Castle . John Glidden ...
Page 7
... dikes and those more nearly horizontal are called sills . These dikes or sills are generally pegmatite - that is ... dike are separated into distinct bands it is sometimes possible to obtain feldspar in commercial quantity absolutely ...
... dikes and those more nearly horizontal are called sills . These dikes or sills are generally pegmatite - that is ... dike are separated into distinct bands it is sometimes possible to obtain feldspar in commercial quantity absolutely ...
Page 8
beyond the granite mass and thus pegmatite dikes are often found extending through several different types of surface rock . The shape of the dike is always lenticular , as would be expected of a mass intruded under greatly varying ...
beyond the granite mass and thus pegmatite dikes are often found extending through several different types of surface rock . The shape of the dike is always lenticular , as would be expected of a mass intruded under greatly varying ...
Page 9
... dikes vary greatly as regards impurity . In the northern parts of the district the dike rock contains large lath- like crystals of biotite , the most common impurity in Maine feldspar , but in many deposits along the coast that mineral ...
... dikes vary greatly as regards impurity . In the northern parts of the district the dike rock contains large lath- like crystals of biotite , the most common impurity in Maine feldspar , but in many deposits along the coast that mineral ...
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Common terms and phrases
136 Pacific albite albite pegmatite biotite briquets BULLETIN Bureau of Mines butane carbon cars cause cent claroline CO₂ coal color composition cones contains contributory negligence corporation cream cubic feet danger deformation range dike disease district duty exposed failure feldspar feldspar vitrifies figs fire fritted glazes fuses gases gasoline graphic granite heating injury instrument kaolin lamps land lease lessee lessor liable lignite liquid loss material method mica microcline miles miner mining claim muscovite naphtha natural gas negligence nystagmus obtained oil and gas operator patent pegmatite photophobia pipe potash potash feldspar pounds per square pressure produced PROPERTIES IN STANDARD pure feldspar quantity quarry quartz raw-lead recorder residue rock roof Round Mountain safe sample shows soda feldspar Southwestern specific gravity square inch STANDARD PORCELAIN MIXTURE standard trial statute surface tank TECHNICAL PAPER temperature tests tion total shrinkage translucency tube vapor vitrifies
Popular passages
Page 175 - Requests for all publications can not be granted, and to insure equitable distribution applicants are requested to limit their selection to publications that may be of especial interest to them. Requests for publications should be addressed to the Director, Bureau of Mines. BULLETIN 10. The use of permissible explosives, by JJ Rutledge and Clarence Hall. 1912. 34 pp., 5 pis., 4 figs. BULLETIN 17.
Page 75 - Containers must not be entirely filled. Sufficient interior space must be left vacant to prevent leakage or distortion of containers due to the expansion of the contents from increase of temperature during transit.
Page 27 - Where minerals have been found and the evidence is of such a character that a person of ordinary prudence would be justified in the further expenditure of his labor and means, with a reasonable prospect of success, in developing a valuable mine, the requirements of the statute have been met.
Page 55 - BULLETIN 40. The smokeless combustion of coal in boiler furnaces, with a chapter on central heating plants, by DT Randall and HW Weeks.
Page 59 - ... 1. By reason of any defect in the condition of the ways, works, machinery, or plant, connected with or used in the business of the employer which arose from or had not been discovered or remedied owing to the negligence of the employer or of any person in the service of the employer and intrusted by him with the duty of seeing that the ways, works, machinery, or plant, were in proper condition; 2.
Page 59 - Under sub-section one of section one, unless the defect therein mentioned arose from, or had not been discovered or remedied owing to the negligence of the employer, or of some person in the service of the employer, and entrusted by him with the duty of seeing that the ways, works, machinery, or plant were in proper condition.
Page 75 - This vacant space must not be less than 2 per cent of the capacity of the container, including the dome capacity Of tank cars. 1. The provisions of ".Shipping-Container Specifications No. 5...
Page 1 - The Bureau of Mines, in carrying out one of the provisions of its organic act— to disseminate information concerning investigations made — prints a limited free edition of each of its publications. When this edition is exhausted, copies may be obtained at cost price only through the Superintendent of Documents, Government Printing Office, Washington, DC The Superintendent of Documents is not an official of the Bureau of Mines.
Page 38 - It shall be the duty of the adverse claimant, within thirty days after filing his claim to commence proceedings in a court of competent jurisdiction, to determine the question of the right of possession, and prosecute the same with reasonable diligence to final judgment; and a failure so to do shall be a waiver of his adverse claim.
Page 153 - ... deposits, after purchase thereof from the United States, shall be taxed at the price paid the United States therefor...