9
Northern Idaho Outliers Idaho Batholith Photos by Jim Cash Moscow High School

Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

  • Upload
    dokien

  • View
    215

  • Download
    2

Embed Size (px)

Citation preview

Page 1: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Northern Idaho Outliers

Idaho Batholith

Photos by Jim CashMoscow High School

Page 2: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Outcrop of Cretaceous granite in roadcut on Moscow Mountain, U.S. 95, Latah Co.

Page 3: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Jurassic granite at Dworshak Dam Visitors Center

Page 4: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Sheared Jurassic granite at Dworshak Dam Visitors Center

Page 5: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Selkirk Mountains, Joe Lake cirque from saddle between unnamed peak above Hidden Lake-Smith Creek drainage.

Page 6: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Granite in Lion Creek Basin, Selkirk Mountains, Boundary County.

Page 7: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Unnamed Peak from trailhead to Two Mouth Lakes-Myrtle Creek drainage, Selkirk Mountains, Boundary County.

Page 8: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Thin section of Cretaceous-Jurassic hornblende-biotite quartz diorite. The twinned gray minerals are plagioclase feldspar. The biotite is the long green and brown mineral. Hornblende is the colorful mineral in the right side of the quadrangle.

Page 9: Northern Idaho Outliers pkl - ISUgeology.isu.edu/Digital_Geology_Idaho/SlideShows/ssBatholith... · Northern Idaho Outliers ... Thin section of Cretaceous-Jurassic hornblende-biotite

Granodiorite of Bonners Ferry, District Road, Bonner County