"Ward's Phenomena"

Earthy, porous calcareous tufa.

Brownish black, intermediate stage between peat and bituminous coal.

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

Grayish black trap rock.

Sale

Gray with line crinoid columnal fragments.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

Sale

Red, medium, to coarse-grained iron oxide cement; shows hematite bands.

Compact Plant Fiber Masses.

Light gray, earthy.

Brownish gray, kerogen-rich; commercial oil source.