Issues
Volume 26, Number 7
1 November 1931
ISSN 0361-0128
EISSN 1554-0774
In this Issue
Historical notes on gem mining
Economic Geology November 01, 1931, Vol.26, 681-738. doi:10.2113/gsecongeo.26.7.681
Textures due to unmixing of solid solutions
Economic Geology November 01, 1931, Vol.26, 739-763. doi:10.2113/gsecongeo.26.7.739
The geometrical pattern of contacts in determinative paragenesis
Economic Geology November 01, 1931, Vol.26, 764-771. doi:10.2113/gsecongeo.26.7.764
Hydrothermal origin of the barite in Alabama
Economic Geology November 01, 1931, Vol.26, 772-776. doi:10.2113/gsecongeo.26.7.772
A method of illustrating the magnification of photomicrographs
Economic Geology November 01, 1931, Vol.26, 777-782. doi:10.2113/gsecongeo.26.7.777
Hydrothermal oxidation and leaching experiments [discussion]
Economic Geology November 01, 1931, Vol.26, 783-786. doi:10.2113/gsecongeo.26.7.783
How a geological survey serves the state
Economic Geology November 01, 1931, Vol.26, 786-789. doi:10.2113/gsecongeo.26.7.786
