"Rock Specimens"

Compact Plant Fiber Masses.

Dark gray, composed mostly of pyroxene and olivine.

Light gray, fine-grained, well-foliated, schistose.

Gray to brown mudstone with abundant silt.

Gray and poorly sorted, with a gritty texture.

Red-brown to gray, coarse-grained, containing feldspar and mica.

Black, fissile; commonly with carbonized fossil plant impressions.

Gray, fine, friable, with abundant small sanidine crystal fragments.

Survey set improves student's recognition of all three major rock groups.

Set of Nine Thin Sections and Matching Rocks

Gray-to-brown basaltic, with over 50% vesicles.

Grayish black trap rock.

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.

Previously known as the syracuse university mineral and rock set.

Examples of the most basic rocks and rock-forming minerals.

A Great Way to Begin Your Petrographic Studies