Society of Economic Geologists

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The Society of Economic Geologists (SEG) serves 6,500+ members worldwide who are committed to advancing the science and the discovery of mineral resources through research, publications, courses, and field trips.
Precambrian coal or anthraxolite; a source for graphite in high-grade schists and gneisses
Mancuso,J. J. et al.
Economic Geology(1981),76(4):951
http://dx.doi.org/10.2113/gsecongeo.76.4.951

Society of Economic Geologists
Society of Economic Geologists
GeoScienceWorld
GeoScienceWorld