Minerals Engineering International - Journals: Impact Factors

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MEI Online: Publications: Journals: Impact Factors

Impact Factor is a measure of the frequency with which the 'average article' in a journal has been cited in a particular year. The Journal Citation Reports (JCR^®) impact factor is basically a ratio between citations and recent citable items published. Thus, the impact factor of a journal would be calculated by dividing the number of all current citations of source items published in the journal during the previous two years by the number of articles the journal published in those two years. By providing some qualification of the quantitative data in the JCR^®, the impact factor is an important tool for journal evaluation.

Below are the leading refereed journals in Mineral Processing and Extractive Metallurgy, ranked by impact factor (bold signifies increasing impact factor):

2002

2001

2000

1999

No. of papers
published in 2002

Hydrometallurgy
1.087
0.654
0.846
0.693
100

International Journal of Mineral Processing
0.760
0.648
0.539
0.553
56

Minerals Engineering
0.564
0.430
0.517
0.500
142

Canadian Metallurgical Quarterly
0.478
0.413
0.402
0.235
48

Minerals and Metallurgical Processing
0.141
0.329
0.207
0.107
34

Trans. IMM Section C
0.120
0.093
0.216
0.383
7

J. S. African IMM
0.052
0.097
0.058
0.094
36

CIM Bulletin
0.040
0.124
0.070
0.205
104

For an indepth look at how impact factors are calculated see Perspectives in Publishing, No 1, October 2000 (PDF). Perspectives in Publishing is an occasional newsletter which aims to address generic issues in scholarly communication produced by Elsevier Science.

Please note that Perspectives in Publishing is provided in the Adobe Portable Document Format (PDF) for which the Adobe Acrobat Reader is required.

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