Opal claystone associated with phosphate rock in northern Saudi Arabia
By: by W.F. Outerbridge and C.R. Meissner, Jr. ; report prepared for Ministry of Petroleum and Mineral Resources, Deputy Ministry for Mineral Resources, Saudi Arabia
Contributors: Meissner, Charles R; Saudi Arabia. Deputy Ministry for Mineral Resources; Geological Survey (U.S.)
Series: Open-file report -- 86-103; U.S. Geological Survey open-file report -- 86-103
Publisher: Dept. of the Interior, U.S. Geological Survey
Published: 1986
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Clay minerals -- Saudi Arabia -- Composition; Phosphate rock -- Saudi Arabia -- Composition
Notes: Distributed to depository libraries in microfiche

Bibliography: p. 15-16

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1986]. 1 microfiche ; 11 x 15 cm