Chalcedony from selected localities.
USA | |
| Econ Geol (2004) 99:1665-1686; Economic Geology (2004) Vol. 99, pp. 1665–1686. |
Leavitt, E. D., Spell, T. L., Goldstrand, P. M., & Arehart, G. B. (2004). Geochronology of the Midas low-sulfidation epithermal gold-silver deposit, Elko County, Nevada. Economic Geology, 99(8), 1665-1686. |