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

WALKER VALLEY
Mount Vernon, Skagit County, Washington, USA

LOCALITY IMAGES

GEOLOGY
https://wa-dnr.s3.amazonaws.com/publications/ger_washington_geology_1996_v24_no1.pdf
https://wa-dnr.s3.amazonaws.com/publications/ger_washington_geology_1996_v24_no4.pdf

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.