Although some handbooks on the microscopic identi In Part I the concept of heavy mineral analysis is fication of heavy mineral grains are available, a introduce

The Mineral Resources of the Sea

Scholarly work on sedimentology. Each article is signed and has a bibliography. Illustrated. Indexed.

A sweeping survey of the fluorescent minerals of the world shown both in daylight and under the ultraviolet light. Written for the collector and the merely curi