Compilation of gallium resource data for bauxite deposits
Gallium (Ga) concentrations for bauxite deposits worldwide have been compiled from the literature to provide a basis for research regarding the occurrence
Public-domain full text preserved in the Mountain Man Mining Library. Original source: pubs.usgs.gov.
USGS Open-File Report 2013-1272: Compilation of Gallium Resource Data for Bauxite Deposits
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Open-File Report 2013-1272
Pubs Warehouse OF 2013-1272
Notice: This USGS Publication has been Superseded by Series Report
Mineral Resources Program
Compilation of Gallium Resource Data for Bauxite Deposits
By Ruth F. Schulte and Nora K. Foley
Abstract
Gallium (Ga) concentrations for bauxite deposits worldwide have been compiled from the literature to provide a basis for research regarding the occurrence and distribution of Ga worldwide, as well as between types of bauxite deposits. In addition, this report is an attempt to bring together reported Ga concentration data into one database to supplement ongoing U.S. Geological Survey studies of critical mineral resources.
The compilation of Ga data consists of location, deposit size, bauxite type and host rock, development status, major oxide data, trace element (Ga) data and analytical method(s) used to derive the data, and tonnage values for deposits within bauxite provinces and districts worldwide. The range in Ga concentrations for bauxite deposits worldwide is <10 to 812 parts per million (ppm), with an average of 57 ppm. Gallium concentrations in lateritic bauxites range from below detection 8 ppm) to 146 ppm; the average concentration is 57 ppm Ga. The average Ga concentration for karst bauxite deposits is 58 ppm with a range between <10 to 180 ppm Ga. As a result, there are no substantial differences in gallium concentrations between karst- and laterite-type bauxites. We calculate the range in geologically available Ga in bauxite deposits worldwide between 30 and 82,720 metric tons (t), with an average of 14,909 t.
First posted June 3, 2014
Revised June 5, 2008
Report PDF (418 KB)
Table (Zip File) XLS (171 KB)
This zip file contains three tables.
Table 1. Compilation of gallium concentrations in global bauxite deposits, with location, deposit size, major oxide data, and tonnage values provided.
Table 2. Ranges and averages of gallium concentrations and calculated tonnages in the major bauxite provinces worldwide, plus average alumina and average total tonnages for deposits.
Table 3. Ranges and averages of gallium concentrations and calculated tonnages for the major bauxite districts worldwide, plus average alumina and average total tonnages for deposits within the bauxite districts. Bauxite districts based on Bogatyrev and Zhukov (2009).
For additional information, contact:
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Suggested citation:
Schulte, R.F., and Foley, N.K., 2014, Compilation of gallium resource data for bauxite deposits: U.S. Geological Survey Open-File Report 2013-1272, 14 p., 3 separate tables, http://dx.doi.org/10.3133/ofr20131272 .
ISSN 2331-1258 (online)
Contents
Abstract
Introduction
Bauxite Deposits
Gallium Abundance in Bauxite
Limitations of the Gallium Data Compilation
Data Fields
Summary
References Cited
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Page Last Modified: Tuesday, 03-Jun-2014 15:12:21 EDT