Minerals of Walker Valley, Mount Vernon, Skagit County, Washington, USA

WALKER VALLEY
Mount Vernon, Skagit County, Washington, USA

LOCALITY IMAGES

GEOLOGY
Washington Geology, Vol. 24, No. 1, March 1996
Washington Geology, Vol. 24, No. 4, December 1996

MINERALS


*Calcite-	CaCO₃ -
Hisingerite-	Fe₂³⁺(Si₂O₅)(OH)₄ · 2H₂O -
Goethite-	HFeO₂ -
*Quartz-	SiO₂ -
*Siderite-	FeCO₃ -

* photographed

QUARTZ, CALCITE

SIDERITE

REFERENCES
Mustoe, G. E., D. G. Vandenburg, & L. M. Vandenburg (1996a). The Minerals of Walker Valley, Skagit County, Washington. Washington Geology v. 24, n. 1 (March 1996), pp 22-29.
Mustoe, G. E. (1996b). Hisingerite—a rare iron mineral from Walker Valley, Skagit County, Washington. Washington Geology v. 24, n. 4 (December, 1996), pp 14-19.