Samples of intrusive igneous rocks 

Obsidian samples 

Obsidian samples 

Porphyry 

Obsidian samples 

Granite sample 

Pegmatite 

Pegmatite 

Pegmatite 

Rhyolite sample 

Biotite sample 

Peridotite sample 

Yellow igneous knob from point 1 ½ miles north of camp, Sept. 6 

Topography of the igneous rock hills near Sta. XII 

Chalcopyrite sample 

Hornfels sample 

Galena sample 

Galena sample 

Porphyry 

Porphyry 

Chalcopyrite sample 

Scoria 

Quartz samples 

Quartz samples 

Scoria 

Scoria 

Scoria 

Hematite sample 

Galena sample 

Pyrite sample 

A Brief History of the Rocky Mountains 

Quartz samples 

Quartz samples 

Hematite sample 

Plagioclase sample 

Plagioclase sample 

Pyrite sample 

Plagioclase sample 

65 

A Hand book of the geography and natural history of the province of Nova Scotia : for the use of schools, families, and travellers 

Potassium feldspar samples 

Plagioclase sample 

Plagioclase sample 

Plagioclase sample 

Plagioclase sample 

Plagioclase sample 

Plagioclase sample 

Geology, 1976 vol 1 

GEOG 307-02 W1980