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Title: Weight determination of stockpiled ferrochrome using microgravity measurements
Authors: Defense National Stockpile Center (U.S.)
Sjostrom, Keith J.
Berry, Thomas E.
Keywords: Geophysical methods
Geophysical surveys exploration
Ore stockpiles
Defense National Stockpile Center
Publisher: Geotechnical Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; GL-96-34.
Description: Miscellaneous Paper
Abstract: The Defense National Stockpile Center (DNSC) maintains three stockpiles of high carbon ferrochrome at an industrial site in Charleston, SC, and has a requirement to produce current weight estimates for each pile as part of an internal audit. Microgravity measurements were performed over each stockpile to provide high-resolution surveys of the gravitational field to determine the average bulk density of the processed ore. Nettleton's and Parasnis' methods were used to analyze the gravity anomaly data These methods have the advantage of averaging the effect of density variations more accurately than can be done from surface or core samples. Volumes of the ore stockpiles were determined using standard land surveying methods. The computed weights of each ferrochrome stockpile are compared to the reported weights provided by DNSC.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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