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United States Bureau of Mines
Industry: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A press in which the pressure is applied by a plunger, with a reciprocating motion, to charges of feed contained in molds in a vertical or horizontal table.
Industry:Mining
A pressure-relief valve.
Industry:Mining
A pressure-relief valve.
Industry:Mining
A pressure-relief valve.
Industry:Mining
A pressure-sensitive detector that responds to sound transmitted through water. It is used in marine seismic surveying, or as a seismometer in a well.
Industry:Mining
A pressure-sensitive detector that responds to sound transmitted through water. It is used in marine seismic surveying, or as a seismometer in a well.
Industry:Mining
A presumed original magma, from which all other rock types are obtained by various processes of fractional crystallization.
Industry:Mining
A price quoted ex vessel used in connection with a port name means all costs paid until free of the ship's tackle at the port designated.
Industry:Mining
A primary cell, with a constant electromotive force of about 1.1 V, having as its electrodes: (1) copper in a copper sulfate solution, and (2) zinc in dilute sulfuric acid or zinc sulfate--the two solutions being separated by a porous partition.
Industry:Mining
A primary crusher consisting of a vertical spindle, the foot of which is mounted in an eccentric bearing within a conical shell. The top carries a conical crushing head revolving eccentrically in a conical maw. There are three types of gyratories--those that have the greatest movement on the smallest lump, those that have equal movement for all lumps, and those that have greatest movement on the largest lump.
Industry:Mining